Station S AUUHS - Ulladulla High School, Ulladulla, NSW

Network: S - Seismographs in Schools Projects

Nearby stations (2 deg radius)

Station Name (Lat, Lon) Start / End Elevation
AUUHS Ulladulla High School, Ulladulla, NSW (-35.36, 150.47) 2013-09-12 / 2599-12-31 44 m
Crust2 Type:T6,Margin /shield transition, 1 km seds.
Thickness Estimate:37 km
Thickness StdDev:1.7 km
Vp/Vs Estimate:1.74
Vp/Vs StdDev:0.02
Vs Estimate:3.714 km/s
Poisson's Ratio:0.25
Peak Value:0.01
Assumed Vp:6.472 km/s
Ps Weight:0.33333334
PpPs Weight:0.33333334
PsPs Weight:0.33333328
Residual Complexity:0.654
Nearby stations H: +-
(2.0 deg) Vp/Vs: +-

12 with match > 90% ( 4.4609666 %) and 40 with match > 80% ( 14.869888 %) out of 269.

Download stack as xyz text file.

Azimuth Distribution of Events:

Prior Results for this Station

Study Thickness Vp/Vs Vp Vs Poissons Ratio Extra
EARS 37 km 1.74 6.472 km/s 3.714 km/s 0.25
Crust2.0 32 km 1.79 6.472 km/s 3.622 km/s 0.27 T6,Margin /shield transition, 1 km seds.
Global Maxima 37 km 1.74 6.472 km/s 3.714 km/s 0.25 amp=0.009493427
Local Maxima 1 40 km 1.74 6.472 km/s 3.725 km/s 0.25 amp=0.007830499
Local Maxima 2 38 km 1.82 6.472 km/s 3.556 km/s 0.28 amp=0.004060331
Local Maxima 3 25 km 1.74 6.472 km/s 3.73 km/s 0.25 amp=0.003070714
Local Maxima 4 38 km 1.72 6.472 km/s 3.763 km/s 0.24 amp=0.0028847659
Predicted Arrivals for vertical incidence
(zero ray parameter)
Ps4.22 SECOND
PpPs15.57 SECOND
PsPs/PpSs19.79 SECOND

Events Processed for this Station

Download zip of receiver functions as SAC

View Record Section

Plot maxima for each earthquake.

Events Used in the Stack

(40 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude
95.60783 38.1 deg 67.833 deg Tonga Islands 2017/11/04 09:00:19 GMT (-15.4, -173.2) 10 km 6.8 Mww
94.365875 59.9 deg 286.771 deg Southwest Of Sumatra, Indonesia 2016/03/02 12:49:46 GMT (-4.9, 94.2) 10 km 7.9 MWW
93.94495 89.3 deg 4.734 deg Kamchatka Peninsula, Russia 2016/01/30 03:25:10 GMT (54.0, 158.5) 161 km 7.2 MWW, 7.0 MI, 7.2 MWB
93.67788 32.7 deg 66.65 deg Fiji Islands Region 2018/08/19 00:19:37 GMT (-18.2, -178.1) 563 km 8.2 mww
92.87032 90.3 deg 17.117 deg Rat Islands, Aleutian Islands 2014/06/23 20:53:09 GMT (51.8, 178.8) 108 km 7.9 MWW, 7.1 MI, 7.9 MWC
92.43862 72.3 deg 355.133 deg Off East Coast Of Honshu, Japan 2013/10/25 17:10:19 GMT (37.2, 144.7) 35 km 7.1 MWW, 7.1 MWW, 7.1 MWB, 7.1 MWC, 7.2 MWC, 7.5 MI
91.91369 44.9 deg 325.508 deg Talaud Islands, Indonesia 2016/01/11 16:38:07 GMT (3.9, 126.9) 21 km 6.5 MWW, 6.4 MWB, 6.9 MI
91.73258 41.0 deg 302.857 deg Sumbawa Region, Indonesia 2018/08/19 14:56:28 GMT (-8.3, 116.6) 26 km 6.9 Mww
91.62565 29.8 deg 2.715 deg New Britain Region, P.N.G. 2015/04/30 10:45:06 GMT (-5.5, 151.8) 60 km 6.8 MWP, 6.8 MI
90.84233 43.3 deg 323.796 deg Northern Molucca Sea 2014/11/15 02:31:40 GMT (1.9, 126.5) 35 km 7.1 MWW, 7.0 MWW, 7.3 MI
90.541824 45.2 deg 314.07 deg Minahassa Peninsula, Sulawesi 2018/09/28 10:02:43 GMT (-0.2, 119.8) 10 km 7.5 Mww
90.50849 34.7 deg 319.074 deg Banda Sea 2013/12/01 01:24:13 GMT (-7.0, 128.4) 9.9 km 6.4 MWW, 6.4 MWB, 6.5 MWC
89.5933 88.5 deg 306.367 deg Nepal 2015/04/25 06:11:25 GMT (28.2, 84.7) 12 km 7.5 MWB
88.89879 63.6 deg 350.133 deg Bonin Islands, Japan Region 2015/05/30 11:23:02 GMT (27.8, 140.5) 678 km 7.8 MWP, 8.5 MI
88.36022 77.1 deg 307.417 deg Myanmar 2016/08/24 10:34:55 GMT (20.9, 94.6) 84 km 6.8 MO
87.7904 49.2 deg 352.194 deg Mariana Islands 2014/09/17 06:14:46 GMT (13.8, 144.4) 137 km 6.7 MWC, 7.1 MI
87.70999 55.9 deg 355.843 deg Mariana Islands Region 2013/12/17 23:38:06 GMT (20.8, 146.8) 9.0 km 6.2 MWW, 6.1 MWB, 6.2 MWC, 6.4 MWC
87.48409 30.9 deg 5.307 deg New Ireland Region, P.N.G. 2018/03/08 17:39:50 GMT (-4.4, 153.2) 15 km 6.8 mww
87.1548 88.8 deg 181.474 deg South Sandwich Islands Region 2016/05/28 09:46:59 GMT (-56.2, -26.9) 73 km 7.2 MWW, 7.3 MI
86.72097 36.7 deg 323.232 deg Banda Sea 2015/12/09 10:21:50 GMT (-4.1, 129.5) 34 km 6.9 MWP
85.91246 47.4 deg 320.873 deg Celebes Sea 2017/01/10 06:13:48 GMT (4.4, 122.7) 622 km 6.9 Mi
85.08694 35.1 deg 69.727 deg Tonga Islands 2016/09/24 21:07:13 GMT (-18.1, -175.0) 179 km 6.3 MO
85.023834 31.6 deg 346.625 deg New Guinea, Papua New Guinea 2017/11/07 21:26:38 GMT (-4.2, 143.5) 107 km 6.5 mww
84.79774 52.7 deg 328.289 deg Samar, Philippines 2019/04/23 05:37:52 GMT (11.8, 125.2) 54 km 6.4 Mww
84.79239 37.9 deg 310.827 deg Flores Sea 2015/02/27 13:45:05 GMT (-7.3, 122.5) 547 km 6.6 MB
84.56721 42.2 deg 315.881 deg Sulawesi, Indonesia 2019/04/12 11:40:49 GMT (-1.9, 122.6) 17 km 6.8 Mww
84.25338 32.3 deg 65.375 deg Fiji Islands Region 2018/11/18 20:25:45 GMT (-17.9, -178.9) 534 km 6.7 Mww
84.06271 41.0 deg 302.803 deg Sumbawa Region, Indonesia 2018/08/19 04:10:21 GMT (-8.3, 116.6) 7.9 km 6.3 Mww
83.775475 48.6 deg 322.49 deg Mindanao, Philippines 2014/12/02 05:11:31 GMT (6.1, 123.1) 614 km 6.6 MWW, 6.6 MWC, 6.6 MWB
83.70635 32.5 deg 65.544 deg Fiji Islands Region 2019/03/10 08:12:25 GMT (-17.8, -178.7) 567 km 6.2 Mww
83.52516 31.5 deg 68.695 deg Fiji Islands Region 2014/07/21 14:54:40 GMT (-19.8, -178.4) 616 km 6.9 MWB, 6.9 MI
83.31384 43.2 deg 323.483 deg Northern Molucca Sea 2019/03/24 04:37:34 GMT (1.7, 126.4) 37 km 6.1 Mww
83.28034 43.3 deg 323.77 deg Northern Molucca Sea 2014/11/26 14:33:43 GMT (1.9, 126.5) 39 km 6.8 MWW, 6.8 MWC, 6.8 MWB, 7.0 MI
83.212845 41.2 deg 302.733 deg Sumbawa Region, Indonesia 2018/08/05 11:46:34 GMT (-8.3, 116.5) 10 km 7.0 Mww
82.80768 31.6 deg 68.965 deg Fiji Islands Region 2016/09/24 21:28:42 GMT (-19.8, -178.3) 594 km 6.8 MO
82.69685 31.6 deg 4.421 deg New Ireland Region, P.N.G. 2016/08/31 03:11:36 GMT (-3.7, 152.8) 499 km 6.7 MO
81.54804 31.9 deg 3.102 deg New Ireland Region, P.N.G. 2019/02/17 14:35:56 GMT (-3.4, 152.1) 368 km 6.4 Mww
81.439804 52.0 deg 355.901 deg Mariana Islands Region 2018/08/28 22:35:14 GMT (16.8, 147.1) 53 km 6.6 Mi
81.32695 37.6 deg 311.549 deg Banda Sea 2017/10/24 10:47:47 GMT (-7.2, 123.0) 549 km 6.7 Mww
81.03294 70.3 deg 342.403 deg Kyushu, Japan 2016/04/15 16:25:06 GMT (32.8, 130.7) 10 km 7.0 MO

Losers

(229 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude Reason
98.45649 53.8 deg 354.187 deg Mariana Islands 2016/07/29 21:18:25 GMT (18.5, 145.5) 212 km 7.7 MWW, 7.7 MWB, 7.7 MI
98.030785 37.1 deg 304.544 deg Sumba Region, Indonesia 2018/10/02 00:16:45 GMT (-10.5, 120.2) 26 km 5.9 Mww
96.40102 87.7 deg 306.726 deg Nepal 2015/04/25 06:56:34 GMT (27.9, 85.7) 10 km 5.5 MB
95.78067 91.6 deg 148.924 deg Southern Chile 2016/12/25 14:22:28 GMT (-43.3, -74.5) 15 km 7.7 Mi
95.1722 30.8 deg 64.29 deg Fiji Islands 2018/09/06 15:49:17 GMT (-18.4, 179.5) 669 km 8.1 Mi
94.09046 30.9 deg 6.047 deg New Ireland Region, P.N.G. 2016/12/17 10:51:11 GMT (-4.5, 153.6) 73 km 8.0 Mi
93.80167 90.7 deg 8.246 deg Komandorskiye Ostrova Region 2018/12/20 17:01:56 GMT (54.8, 164.8) 33 km 7.3 Mi
90.40056 46.6 deg 326.777 deg Mindanao, Philippines 2018/12/29 03:39:12 GMT (5.8, 126.9) 49 km 7.2 Mi
89.876434 30.0 deg 3.398 deg New Britain Region, P.N.G. 2015/05/05 01:58:20 GMT (-5.3, 152.2) 58 km 5.6 MB
87.293785 49.0 deg 234.304 deg Southeast Indian Ridge 2015/12/04 22:24:54 GMT (-47.7, 85.2) 10 km 7.1 MWP
86.27773 88.4 deg 306.47 deg Nepal 2015/04/25 06:45:21 GMT (28.2, 84.9) 15 km 6.6 MB
85.27725 33.8 deg 62.937 deg Fiji Islands Region 2015/04/17 15:52:51 GMT (-15.9, -178.6) 10 km 6.5 MWW, 6.8 MI
83.44689 51.9 deg 294.697 deg Southern Sumatra, Indonesia 2016/05/02 04:21:24 GMT (-5.0, 104.6) 117 km 5.7 MWW, 5.7 MWB, 5.7 MWC
81.86821 44.0 deg 327.034 deg North Of Halmahera, Indonesia 2017/01/01 14:13:37 GMT (3.6, 128.2) 35 km 5.5 mb
81.11819 34.3 deg 321.634 deg Banda Sea 2018/03/25 20:14:47 GMT (-6.7, 129.9) 172 km 6.4 Mww
81.05977 67.8 deg 297.236 deg Nicobar Islands, India Region 2019/01/17 02:53:07 GMT (7.4, 94.4) 99 km 5.4 Mww
79.57239 43.5 deg 324.254 deg Northern Molucca Sea 2019/01/06 17:27:20 GMT (2.2, 126.7) 61 km 6.6 mww
79.2332 78.4 deg 309.195 deg Myanmar-India Border Region 2016/04/13 13:55:17 GMT (23.1, 94.9) 135 km 6.9 MWB
78.91261 89.6 deg 178.624 deg South Georgia Island Region 2016/08/19 07:32:22 GMT (-55.3, -31.9) 10 km 7.4 MO
78.369995 34.6 deg 317.865 deg Banda Sea 2016/12/21 00:17:15 GMT (-7.5, 127.9) 152 km 6.7 Mww
77.39249 31.8 deg 64.327 deg Fiji Islands Region 2018/01/25 10:41:14 GMT (-17.8, -179.6) 621 km 5.7 Mww
77.04687 38.9 deg 306.119 deg Flores Region, Indonesia 2014/05/30 00:56:19 GMT (-8.4, 119.6) 180 km 5.1 MW
76.43868 32.6 deg 66.951 deg Fiji Islands Region 2018/09/30 10:52:23 GMT (-18.4, -178.1) 551 km 6.6 mww
76.41111 43.7 deg 296.397 deg South Of Java, Indonesia 2014/07/09 06:03:07 GMT (-9.6, 111.6) 38 km 4.7 mb
76.26732 34.5 deg 74.362 deg Tonga Islands 2017/10/18 12:00:59 GMT (-20.6, -173.9) 10 km 6.0 Mww
75.656044 87.2 deg 307.031 deg Nepal 2014/12/18 15:32:12 GMT (27.7, 86.4) 34 km 5.0 MW, 5.0 mb
75.019745 58.6 deg 138.816 deg Southern East Pacific Rise 2016/02/16 23:48:35 GMT (-55.8, -125.2) 13 km 6.1 MWW, 6.0 MWB, 6.1 MWC
75.00473 36.8 deg 314.519 deg Banda Sea 2019/04/06 21:55:01 GMT (-6.8, 125.0) 539 km 6.3 Mww
74.967834 33.7 deg 72.934 deg Tonga Islands 2018/12/23 23:08:40 GMT (-20.4, -175.1) 100 km 6.4 mww
74.606224 30.0 deg 5.382 deg New Ireland Region, P.N.G. 2016/01/26 03:10:23 GMT (-5.3, 153.2) 44 km 5.8 MWP
74.264984 66.2 deg 337.586 deg Ryukyu Islands, Japan 2014/03/02 20:11:23 GMT (27.4, 127.4) 119 km 6.5 MWW, 6.4 MWB, 6.5 MWC, 6.6 MI, 6.7 MI
74.12446 30.4 deg 72.562 deg South Of Fiji Islands 2016/05/28 05:38:51 GMT (-22.0, -178.2) 417 km 6.6 MO
74.00563 36.3 deg 73.44 deg Tonga Islands Region 2013/11/02 18:53:46 GMT (-19.2, -172.6) 10 km 6.2 MWW, 6.2 MWB, 6.2 MWW, 6.3 MWC, 6.5 MI
73.89277 38.0 deg 320.593 deg Seram, Indonesia 2014/05/02 08:43:37 GMT (-3.8, 127.4) 54 km 6.0 MWP
73.24254 32.1 deg 69.313 deg Fiji Islands Region 2014/11/01 18:57:22 GMT (-19.7, -177.7) 434 km 7.1 MWW, 6.9 MI, 7.1 MWC, 7.2 MWB
73.11223 42.0 deg 351.708 deg E. Caroline Islands, Micronesia 2014/05/15 08:16:34 GMT (6.5, 144.9) 10 km 6.6 MWP, 6.6 MI
73.054955 96.8 deg 146.081 deg Near Coast Of Central Chile 2015/10/03 06:03:42 GMT (-37.5, -73.7) 19 km 5.6 MWR
72.9167 85.8 deg 188.805 deg East Of South Sandwich Islands 2013/10/24 19:25:10 GMT (-58.2, -12.8) 23 km 6.7 MWW, 6.5 MI, 6.7 MWC, 6.7 MWW
72.9086 31.0 deg 5.562 deg New Ireland Region, P.N.G. 2018/03/09 11:06:10 GMT (-4.3, 153.3) 46 km 5.8 Mww
72.474915 34.5 deg 66.812 deg Fiji Islands Region 2013/11/23 07:48:32 GMT (-17.1, -176.5) 371 km 6.5 MWW, 6.4 MI, 6.5 MWC, 6.5 MWB
72.35337 34.2 deg 319.206 deg Banda Sea 2018/12/01 13:27:21 GMT (-7.4, 128.7) 141 km 6.3 Mww
72.16471 39.5 deg 307.414 deg Flores Sea 2018/08/17 15:35:02 GMT (-7.4, 119.8) 539 km 6.5 Mww
71.592964 79.1 deg 357.409 deg Kuril Islands 2015/06/26 18:30:08 GMT (44.0, 146.9) 82 km 4.8 MW, 4.8 mb
71.42086 30.9 deg 359.882 deg New Britain Region, P.N.G. 2016/10/15 08:03:39 GMT (-4.3, 150.4) 451 km 6.0 MB
71.22273 35.7 deg 315.238 deg Banda Sea 2014/03/16 01:00:15 GMT (-7.5, 126.0) 433 km 5.0 mb
71.12759 79.0 deg 118.067 deg Easter Island Region 2018/07/25 23:42:46 GMT (-29.3, -112.2) 10 km 5.5 Mww
70.81661 31.3 deg 3.94 deg New Britain Region, P.N.G. 2017/05/15 13:22:38 GMT (-4.0, 152.5) 10 km 5.8 mb
70.80451 44.4 deg 317.087 deg Minahassa Peninsula, Sulawesi 2017/07/15 12:12:21 GMT (0.4, 122.0) 114 km 5.9 Mww
70.77962 82.5 deg 160.875 deg Drake Passage 2018/10/29 06:54:21 GMT (-57.4, -66.4) 10 km 6.3 Mww
70.51643 65.1 deg 330.959 deg Taiwan 2018/02/04 13:56:41 GMT (24.1, 121.7) 7.8 km 6.1 Mww
70.19886 62.8 deg 349.692 deg Bonin Islands, Japan Region 2018/02/05 20:56:22 GMT (27.0, 140.2) 465 km 5.3 Mww
69.81248 79.7 deg 356.459 deg Hokkaido, Japan Region 2018/11/04 19:26:03 GMT (44.6, 145.6) 8.0 km 5.9 Mww
69.69077 34.7 deg 318.353 deg Banda Sea 2014/08/06 11:45:22 GMT (-7.3, 128.0) 10 km 6.1 MWP
69.65198 47.4 deg 326.744 deg Mindanao, Philippines 2016/09/23 22:53:10 GMT (6.6, 126.5) 62 km 6.3 MO
69.6321 39.1 deg 304.276 deg Sumbawa Region, Indonesia 2016/12/29 22:30:18 GMT (-9.1, 118.6) 72 km 6.2 Mwp
69.591835 37.4 deg 335.276 deg Irian Jaya Region, Indonesia 2015/05/26 16:42:36 GMT (-0.4, 135.8) 45 km 5.8 MW, 5.3 mb, 5.5 MS
69.5396 30.5 deg 358.784 deg Bismarck Sea 2016/11/09 14:50:59 GMT (-4.7, 149.9) 446 km 5.9 MWB
69.4203 47.7 deg 294.007 deg Java, Indonesia 2016/04/06 14:45:30 GMT (-8.2, 107.4) 35 km 6.0 MWB
69.35265 85.5 deg 201.755 deg Bouvet Island Region 2014/04/15 03:57:02 GMT (-53.5, 8.7) 12 km 6.9 MWP, 6.8 MI, 6.9 MI
69.06305 31.1 deg 1.743 deg New Britain Region, P.N.G. 2014/07/15 10:30:29 GMT (-4.1, 151.4) 10 km 5.8 MB
68.82447 88.6 deg 182.305 deg South Sandwich Islands Region 2017/05/15 21:12:21 GMT (-56.4, -25.4) 10 km 5.3 Mww
68.608986 67.9 deg 339.918 deg Northwest Of Ryukyu Islands 2016/03/14 07:03:17 GMT (29.8, 129.0) 208 km 5.5 MB
68.202484 61.7 deg 328.763 deg Philippine Islands Region 2016/06/19 18:20:50 GMT (20.1, 121.4) 18 km 5.6 MWW, 5.4 MWB
67.9775 71.6 deg 353.753 deg Off East Coast Of Honshu, Japan 2015/03/27 03:04:05 GMT (36.3, 143.1) 0.2 km 5.5 MWP
67.95114 85.0 deg 201.195 deg Bouvet Island Region 2017/10/11 00:08:26 GMT (-54.3, 8.3) 10 km 5.6 Mww
67.94852 59.9 deg 351.694 deg Volcano Islands, Japan Region 2014/06/29 05:56:31 GMT (24.4, 142.6) 43 km 6.2 MWP
67.847534 34.1 deg 70.491 deg Tonga Islands 2017/10/08 14:04:38 GMT (-19.0, -175.6) 10 km 6.1 Mww
67.69217 37.3 deg 64.658 deg Samoa Islands Region 2017/11/20 18:51:04 GMT (-14.4, -175.1) 10 km 6.2 Mi
67.62564 43.4 deg 324.059 deg Northern Molucca Sea 2014/12/21 11:34:13 GMT (2.1, 126.7) 41 km 6.3 MWW, 6.3 MWB, 6.4 MWC, 6.6 MI
67.61744 82.0 deg 113.171 deg Easter Island Region 2013/11/02 15:52:46 GMT (-23.6, -112.6) 10 km 6.0 MWW, 5.9 MWB, 6.0 MWW, 6.0 MWC, 6.1 MWC
67.4944 41.9 deg 351.666 deg E. Caroline Islands, Micronesia 2014/05/14 20:56:13 GMT (6.5, 144.9) 10 km 6.1 MI
67.381744 30.5 deg 76.558 deg South Of Fiji Islands 2017/09/26 04:20:00 GMT (-23.7, -176.9) 98 km 6.4 mww
66.93534 30.7 deg 75.419 deg South Of Fiji Islands 2015/07/07 20:03:13 GMT (-23.1, -177.0) 120 km 5.8 MO
66.83686 32.6 deg 66.736 deg Fiji Islands Region 2018/08/19 00:55:44 GMT (-18.2, -178.1) 538 km 5.6 mb
66.80536 92.5 deg 6.696 deg Near East Coast Of Kamchatka 2017/03/29 04:09:24 GMT (56.9, 162.7) 23 km 6.6 Mww
66.75659 79.6 deg 358.736 deg Kuril Islands 2014/07/20 18:32:47 GMT (44.6, 148.7) 61 km 6.6 MB
66.065254 52.5 deg 356.879 deg Mariana Islands Region 2018/10/26 09:05:39 GMT (17.4, 147.9) 10 km 5.7 mww
65.938194 34.4 deg 318.989 deg Banda Sea 2018/03/25 08:58:11 GMT (-7.3, 128.5) 149 km 5.6 Mww
65.58288 66.7 deg 350.267 deg Southeast Of Honshu, Japan 2016/05/21 06:06:42 GMT (30.9, 140.1) 130 km 5.5 MB
65.46838 36.9 deg 67.234 deg Tonga Islands 2014/07/19 12:27:09 GMT (-15.8, -174.4) 220 km 6.0 MWP
65.25463 46.4 deg 326.933 deg Philippine Islands Region 2017/04/11 14:42:16 GMT (5.7, 127.1) 9.6 km 5.6 mb
65.21821 30.2 deg 5.128 deg New Ireland Region, P.N.G. 2015/03/30 01:51:26 GMT (-5.1, 153.1) 43 km 4.6 mb, 4.6 mb
65.19485 55.6 deg 328.367 deg Luzon, Philippines 2018/05/05 06:19:04 GMT (14.5, 123.9) 18 km 6.1 Mww
65.08425 44.5 deg 313.696 deg Minahassa Peninsula, Sulawesi 2018/09/28 10:16:49 GMT (-0.9, 120.0) 10 km 5.7 mb
64.93103 73.4 deg 245.869 deg Southwest Indian Ridge 2016/09/16 18:38:05 GMT (-29.1, 60.9) 10 km 5.5 MB, 5.4 MWB, 5.5 MWC
64.75962 31.1 deg 1.394 deg New Britain Region, P.N.G. 2014/07/13 20:00:40 GMT (-4.1, 151.2) 35 km 5.6 MB
64.30164 32.7 deg 65.463 deg Fiji Islands Region 2017/11/07 09:01:39 GMT (-17.7, -178.5) 555 km 5.7 Mww
64.18214 83.4 deg 176.457 deg Scotia Sea 2018/04/14 08:17:20 GMT (-61.4, -36.9) 10 km 5.5 mb
64.02631 78.1 deg 356.522 deg Hokkaido, Japan Region 2015/08/08 12:57:58 GMT (43.0, 145.8) 39 km 4.5 mb
64.00855 48.2 deg 354.31 deg South Of Mariana Islands 2015/03/30 15:32:28 GMT (12.9, 146.1) 35 km 4.9 mb, 4.9 mb, 3.8 MS
63.950325 61.5 deg 294.326 deg Northern Sumatra, Indonesia 2014/02/22 17:29:51 GMT (1.2, 97.3) 29 km 5.4 MW
63.918083 96.6 deg 145.814 deg Off Coast Of Central Chile 2018/02/08 21:19:23 GMT (-37.4, -74.0) 10 km 5.6 Mww
63.45861 46.8 deg 134.292 deg Pacific-Antarctic Ridge 2014/05/17 12:13:29 GMT (-54.3, -146.6) 10 km 5.9 MWP
63.284485 89.1 deg 180.948 deg South Sandwich Islands Region 2019/04/05 16:14:16 GMT (-55.9, -27.8) 58 km 6.5 mww
62.617958 72.9 deg 352.574 deg Near East Coast Of Honshu, Japan 2014/12/20 09:29:58 GMT (37.4, 141.5) 37 km 5.9 MB
62.594 46.2 deg 345.816 deg W. Caroline Islands, Micronesia 2017/12/08 09:51:10 GMT (10.0, 140.1) 20 km 6.4 Mww
61.90924 64.4 deg 295.576 deg Off W Coast Of Northern Sumatra 2015/02/02 11:04:30 GMT (4.0, 95.9) 50 km 4.9 mb
61.903767 70.5 deg 348.239 deg Near S. Coast Of Honshu, Japan 2013/11/18 19:10:45 GMT (34.3, 137.0) 328 km 5.6 MWW, 5.7 MWB, 5.7 MWC
61.546875 32.7 deg 67.107 deg Fiji Islands Region 2018/04/05 09:07:59 GMT (-18.3, -177.9) 507 km 5.8 Mww
61.508015 88.6 deg 182.236 deg South Sandwich Islands Region 2017/05/10 23:23:39 GMT (-56.3, -25.5) 41 km 6.8 Mi
61.386047 46.8 deg 294.355 deg Java, Indonesia 2014/03/19 20:51:33 GMT (-8.6, 108.3) 90 km 4.9 mb
61.368137 32.2 deg 65.53 deg Fiji Islands Region 2017/08/19 02:00:52 GMT (-18.0, -178.9) 539 km 6.4 Mww
61.332222 53.9 deg 240.718 deg Mid-Indian Ridge 2015/05/18 04:02:45 GMT (-41.7, 80.2) 10 km 5.5 MB
61.31371 85.3 deg 190.445 deg East Of South Sandwich Islands 2018/09/27 10:25:47 GMT (-58.2, -9.6) 10 km 5.7 Mww
61.128826 89.6 deg 180.599 deg South Sandwich Islands Region 2014/08/24 20:21:24 GMT (-55.4, -28.5) 16 km 5.5 MB
61.120018 31.9 deg 345.62 deg New Guinea, Papua New Guinea 2019/03/06 18:47:25 GMT (-4.1, 142.9) 129 km 5.6 Mww
61.062756 30.2 deg 351.509 deg Eastern New Guinea Reg., P.N.G. 2019/03/04 10:06:01 GMT (-5.2, 146.2) 10 km 5.9 Mww
60.992275 33.1 deg 68.43 deg Fiji Islands Region 2015/07/09 07:28:28 GMT (-18.7, -177.1) 352 km 5.5 MW
60.96818 43.2 deg 324.506 deg Northern Molucca Sea 2016/04/15 04:50:11 GMT (2.0, 127.0) 89 km 5.5 MWP
60.59437 34.5 deg 322.176 deg Banda Sea 2017/03/01 06:59:40 GMT (-6.3, 130.0) 131 km 5.5 mb
60.16771 32.1 deg 230.699 deg Southeast Indian Ridge 2015/08/22 13:17:54 GMT (-49.9, 110.9) 10 km 5.0 MW
60.123802 44.4 deg 317.054 deg Minahassa Peninsula, Sulawesi 2015/03/28 22:28:51 GMT (0.4, 122.0) 124 km 5.8 MB
60.095917 34.3 deg 323.985 deg Banda Sea 2014/12/16 01:09:13 GMT (-6.0, 131.0) 107 km 4.4 mb, 5.5 mB, 4.5 MLv
59.852608 56.3 deg 324.778 deg Mindoro, Philippines 2017/04/08 07:08:01 GMT (13.7, 120.9) 42 km 5.5 Mww
59.72897 93.8 deg 275.286 deg Carlsberg Ridge 2015/01/02 08:21:55 GMT (6.6, 60.4) 10 km 5.5 MWC, 5.5 MWC
59.594437 36.9 deg 65.955 deg Tonga Islands 2016/01/13 05:55:59 GMT (-15.2, -174.9) 233 km 5.8 MB
59.57956 31.9 deg 353.128 deg Bismarck Sea 2017/08/07 12:02:50 GMT (-3.5, 146.8) 10 km 5.5 Mww
59.335125 38.3 deg 317.444 deg Banda Sea 2016/06/05 16:25:33 GMT (-4.6, 125.6) 429 km 6.3 MWB
59.002956 81.4 deg 1.761 deg Kuril Islands 2015/05/09 14:12:35 GMT (46.4, 153.0) 150 km 3.1 mb
58.92282 49.5 deg 314.639 deg Borneo 2015/12/20 18:47:35 GMT (3.6, 117.6) 9.0 km 6.0 MWP
58.848465 71.2 deg 347.125 deg Near S. Coast Of Western Honshu 2018/06/17 22:58:35 GMT (34.8, 135.6) 11 km 5.5 Mww
58.814213 43.0 deg 298.595 deg Java, Indonesia 2016/11/16 15:10:11 GMT (-9.0, 113.2) 86 km 5.7 MWW
58.606487 43.1 deg 301.464 deg Bali Sea 2018/10/10 18:44:55 GMT (-7.4, 114.5) 10 km 6.0 Mww
58.56459 94.3 deg 23.761 deg Fox Islands, Aleutian Islands 2015/02/03 07:16:54 GMT (52.3, -168.6) 16 km 5.6 MB
58.3247 30.5 deg 69.988 deg Fiji Islands Region 2019/02/21 06:34:39 GMT (-20.9, -178.8) 617 km 5.6 Mww
58.27459 47.3 deg 322.274 deg Celebes Sea 2014/12/20 09:15:22 GMT (4.9, 123.6) 373 km 4.6 mb, 5.7 mB, 5.1 MLv
58.210705 46.6 deg 295.505 deg Java, Indonesia 2015/07/24 21:44:42 GMT (-8.1, 109.0) 89 km 5.5 MW
58.20885 37.1 deg 66.192 deg Tonga Islands 2014/10/28 03:15:43 GMT (-15.2, -174.7) 35 km 5.5 MB, 6.1 MWC
58.140545 52.2 deg 354.384 deg Mariana Islands 2015/02/27 16:24:50 GMT (16.9, 145.8) 20 km 5.7 MB
58.10816 61.5 deg 294.256 deg Northern Sumatra, Indonesia 2014/09/14 16:34:21 GMT (1.1, 97.2) 26 km 5.1 MW
57.73354 75.0 deg 352.404 deg Eastern Honshu, Japan 2014/06/14 17:31:41 GMT (39.5, 141.0) 92 km 5.6 MWB, 5.6 MWC
57.708042 78.9 deg 114.692 deg Easter Island Region 2014/09/06 06:53:13 GMT (-26.6, -114.5) 10 km 6.1 MB
57.574955 64.8 deg 340.007 deg Southeast Of Ryukyu Islands 2017/07/26 10:32:57 GMT (26.9, 130.2) 10 km 5.9 Mww
57.482204 33.5 deg 65.025 deg Fiji Islands Region 2018/08/19 04:28:58 GMT (-17.0, -178.0) 416 km 6.8 mww
57.481117 30.2 deg 4.869 deg New Britain Region, P.N.G. 2015/10/17 20:44:53 GMT (-5.1, 152.9) 51 km 5.4 mb
57.41381 76.6 deg 354.433 deg Hokkaido, Japan Region 2018/11/28 02:23:24 GMT (41.4, 143.3) 10 km 5.5 Mww
57.242928 34.9 deg 319.157 deg Banda Sea 2014/12/05 10:43:55 GMT (-6.8, 128.3) 252 km 5.1 MW, 5.1 mb
57.22629 90.4 deg 16.903 deg Rat Islands, Aleutian Islands 2014/06/25 00:03:05 GMT (52.0, 178.5) 116 km 5.1 MW
57.17927 29.9 deg 4.674 deg New Britain Region, P.N.G. 2015/02/26 23:44:58 GMT (-5.4, 152.8) 37 km 5.0 MW
57.10626 34.1 deg 70.315 deg Tonga Islands 2014/05/09 10:32:18 GMT (-18.9, -175.6) 153 km 5.8 MWP
56.93802 32.9 deg 66.518 deg Fiji Islands Region 2018/05/01 19:47:53 GMT (-18.0, -178.0) 579 km 5.9 Mww
56.657173 46.3 deg 345.953 deg W. Caroline Islands, Micronesia 2017/12/08 00:22:53 GMT (10.1, 140.2) 7.5 km 6.5 mww
56.624596 35.2 deg 331.543 deg Irian Jaya Region, Indonesia 2014/01/09 07:16:00 GMT (-3.3, 134.5) 24 km 5.0 mb
56.542786 61.1 deg 293.23 deg Off W Coast Of Northern Sumatra 2015/03/05 00:07:12 GMT (0.2, 96.9) 10 km 5.5 MB
56.19498 34.6 deg 74.337 deg Tonga Islands 2018/11/10 08:33:16 GMT (-20.5, -173.8) 10 km 6.2 Mww
56.04181 52.4 deg 135.574 deg Pacific-Antarctic Ridge 2015/01/26 17:44:52 GMT (-54.7, -136.9) 10 km 5.6 MW, 4.4 mb, 5.0 MS
56.024128 60.0 deg 325.885 deg Philippine Islands Region 2014/04/21 20:45:22 GMT (17.4, 119.9) 11 km 5.5 MWB
55.80355 52.8 deg 135.178 deg Pacific-Antarctic Ridge 2016/01/05 09:34:14 GMT (-54.3, -136.3) 10 km 6.0 MWW, 5.9 MWB, 6.0 MWC
55.77066 83.4 deg 2.55 deg Kuril Islands 2015/11/16 16:49:15 GMT (48.3, 154.3) 42 km 5.8 MWB
55.70951 33.9 deg 319.909 deg Banda Sea 2014/08/14 00:44:09 GMT (-7.5, 129.2) 110 km 4.1 mb
55.643425 41.5 deg 314.819 deg Sulawesi, Indonesia 2014/12/03 00:27:05 GMT (-2.9, 122.4) 21 km 5.7 MB, 5.5 MWB
55.49274 87.7 deg 1.951 deg Northwest Of Kuril Islands 2018/10/13 11:10:19 GMT (52.7, 153.7) 397 km 6.7 Mi
55.46338 34.5 deg 75.912 deg Tonga Islands 2019/03/26 21:54:06 GMT (-21.4, -173.4) 10 km 5.3 Mww
55.23233 48.1 deg 348.446 deg South Of Mariana Islands 2013/10/06 16:38:08 GMT (12.3, 141.7) 104 km 6.0 MWW, 6.0 MWB, 6.0 MWW, 6.1 MWC
55.22972 59.2 deg 350.605 deg Volcano Islands, Japan Region 2014/01/08 09:20:55 GMT (23.6, 141.7) 100 km 4.5 mb
55.096165 67.3 deg 350.478 deg Southeast Of Honshu, Japan 2015/05/02 16:50:46 GMT (31.6, 140.2) 32 km 5.7 MB
54.88368 32.4 deg 344.019 deg New Guinea, Papua New Guinea 2014/04/05 03:34:34 GMT (-3.8, 142.0) 35 km 5.3 MW
54.720097 88.4 deg 181.957 deg South Sandwich Islands Region 2017/05/11 15:41:16 GMT (-56.6, -26.0) 35 km 5.6 mb
54.702183 92.0 deg 22.148 deg Andreanof Islands, Aleutian Is. 2014/08/10 18:27:38 GMT (51.2, -172.8) 22 km 5.0 MW, 4.4 ML, 5.0 mb
54.67942 72.2 deg 344.658 deg Western Honshu, Japan 2018/04/08 16:32:31 GMT (35.3, 132.5) 9.4 km 5.7 Mww
54.33503 42.1 deg 322.876 deg Northern Molucca Sea 2015/08/20 11:00:10 GMT (0.5, 126.6) 50 km 5.7 MB
54.28488 83.4 deg 1.812 deg Kuril Islands 2014/04/03 10:26:01 GMT (48.4, 153.2) 159 km 4.2 mb
54.181236 30.7 deg 69.151 deg Fiji Islands Region 2015/06/16 06:16:59 GMT (-20.4, -178.9) 646 km 5.9 MO
54.15816 57.5 deg 325.074 deg Luzon, Philippines 2019/04/22 09:11:11 GMT (14.9, 120.5) 20 km 6.1 Mww
54.118668 44.2 deg 324.504 deg Northern Molucca Sea 2014/10/22 07:58:37 GMT (2.9, 126.6) 10 km 4.0 mb
53.84665 56.3 deg 324.178 deg Mindoro, Philippines 2015/08/09 04:49:47 GMT (13.5, 120.4) 66 km 5.0 mb
53.799793 32.1 deg 70.209 deg Fiji Islands Region 2014/04/07 02:03:10 GMT (-20.1, -177.4) 400 km 4.6 mb
53.604443 85.7 deg 323.192 deg Qinghai, China 2016/01/20 17:13:14 GMT (37.7, 101.6) 10 km 5.9 MWB
53.44152 47.6 deg 295.009 deg Java, Indonesia 2017/12/15 16:47:56 GMT (-7.7, 108.0) 92 km 6.5 Mww
53.36272 43.9 deg 323.52 deg Northern Molucca Sea 2016/03/29 09:18:11 GMT (2.4, 126.1) 57 km 5.5 MWB
52.99045 43.3 deg 323.529 deg Northern Molucca Sea 2015/09/16 07:40:59 GMT (1.9, 126.4) 53 km 6.3 MWB
52.834656 43.6 deg 326.425 deg North Of Halmahera, Indonesia 2018/04/03 09:14:06 GMT (3.0, 128.0) 72 km 5.4 Mww
52.746296 33.5 deg 73.025 deg Tonga Islands 2015/07/21 15:58:04 GMT (-20.5, -175.2) 10 km 5.3 MW
52.605003 43.5 deg 324.021 deg Northern Molucca Sea 2014/12/21 14:18:41 GMT (2.1, 126.6) 53 km 5.4 MW, 5.2 mb
52.397354 30.8 deg 5.124 deg New Ireland Region, P.N.G. 2016/03/18 00:31:25 GMT (-4.5, 153.1) 35 km 5.6 MWW, 5.5 MWB, 5.6 MWC
52.25166 32.5 deg 65.972 deg Fiji Islands Region 2017/02/24 23:46:45 GMT (-18.0, -178.5) 581 km 5.9 Mww
52.229828 51.0 deg 328.487 deg Philippine Islands Region 2019/03/08 15:06:16 GMT (10.4, 126.1) 54 km 6.0 Mww
51.967617 34.6 deg 318.738 deg Banda Sea 2014/02/04 00:27:09 GMT (-7.2, 128.3) 35 km 5.0 mb
51.953503 88.5 deg 181.352 deg South Sandwich Islands Region 2016/03/14 07:26:43 GMT (-56.4, -27.1) 104 km 5.7 MB
51.75435 50.7 deg 322.284 deg Mindanao, Philippines 2016/04/13 18:21:51 GMT (7.8, 121.9) 10 km 5.9 MWB
51.303997 79.2 deg 124.849 deg Southern East Pacific Rise 2018/05/06 05:10:01 GMT (-34.7, -107.6) 10 km 5.5 Mww
50.73174 45.0 deg 327.131 deg Talaud Islands, Indonesia 2016/12/04 05:24:05 GMT (4.5, 127.8) 142 km 5.7 mb
50.36612 48.0 deg 327.121 deg Mindanao, Philippines 2018/09/08 07:16:49 GMT (7.2, 126.5) 10 km 6.1 Mww
50.24206 37.5 deg 69.125 deg Tonga Islands 2014/01/14 14:59:38 GMT (-16.4, -173.2) 32 km 5.3 MW
50.211678 34.2 deg 65.259 deg Fiji Islands Region 2018/02/01 11:05:50 GMT (-16.6, -177.4) 10 km 6.0 Mww
50.202908 72.3 deg 355.053 deg Off East Coast Of Honshu, Japan 2013/10/27 18:13:06 GMT (37.1, 144.6) 20 km 5.5 MWB, 5.7 MWC
50.036213 91.0 deg 8.044 deg Komandorskiye Ostrova Region 2018/12/22 13:29:47 GMT (55.2, 164.6) 10 km 5.6 Mww
49.550346 50.9 deg 328.202 deg Leyte, Philippines 2015/07/03 06:43:23 GMT (10.2, 125.9) 50 km 6.0 MB
49.44903 31.8 deg 357.126 deg Bismarck Sea 2015/02/13 17:02:07 GMT (-3.5, 149.0) 19 km 5.5 MW
49.102512 89.8 deg 178.521 deg South Georgia Island Region 2016/08/19 20:37:16 GMT (-55.2, -32.1) 8.6 km 5.6 MB
49.031345 56.3 deg 324.823 deg Mindoro, Philippines 2017/04/08 07:09:27 GMT (13.7, 120.9) 43 km 5.9 Mww
48.550297 41.3 deg 302.297 deg Sumbawa Region, Indonesia 2018/08/05 12:49:55 GMT (-8.4, 116.1) 31 km 5.5 mb
48.518047 72.0 deg 351.678 deg Near East Coast Of Honshu, Japan 2015/08/06 09:22:28 GMT (36.5, 140.6) 56 km 5.2 MW
48.390778 41.2 deg 304.004 deg Bali Sea 2014/03/06 10:23:59 GMT (-7.7, 117.1) 299 km 5.1 MW
47.92263 43.4 deg 317.829 deg Minahassa Peninsula, Sulawesi 2014/06/21 21:51:51 GMT (-0.1, 123.0) 115 km 5.5 MB
47.612083 73.2 deg 355.214 deg Off East Coast Of Honshu, Japan 2017/09/20 16:37:16 GMT (38.0, 144.7) 10 km 6.1 Mww
47.52085 90.4 deg 15.756 deg Rat Islands, Aleutian Islands 2017/10/08 22:34:33 GMT (52.4, 176.8) 112 km 6.6 mww
47.378166 42.7 deg 324.923 deg Halmahera, Indonesia 2016/10/09 14:46:25 GMT (1.8, 127.5) 116 km 5.7 MB, 5.8 MWB
47.301575 32.2 deg 66.047 deg Fiji Islands Region 2015/12/06 17:09:28 GMT (-18.2, -178.7) 544 km 5.8 MB
47.011616 30.5 deg 76.151 deg South Of Fiji Islands 2015/06/20 23:39:09 GMT (-23.6, -177.1) 158 km 5.9 MO
46.987946 68.0 deg 297.468 deg Nicobar Islands, India Region 2014/03/21 13:41:07 GMT (7.8, 94.3) 10 km 6.5 MWB, 6.4 MWC, 6.4 MWB, 6.4 MWW
46.505276 53.8 deg 353.801 deg Mariana Islands 2013/11/19 17:00:44 GMT (18.5, 145.2) 511 km 6.0 MWW, 6.0 MWC, 6.0 MWB
46.391464 90.9 deg 8.224 deg Komandorskiye Ostrova Region 2018/12/20 17:19:29 GMT (55.1, 164.9) 10 km 5.6 mb
46.041332 34.1 deg 339.661 deg Near North Coast Of Irian Jaya 2015/07/25 18:22:27 GMT (-2.7, 139.2) 37 km 5.2 MW
45.63224 50.5 deg 328.238 deg Mindanao, Philippines 2014/12/30 12:11:30 GMT (9.8, 126.1) 0.0 km 4.9 mb, 4.8 mb, 4.8 mb1, 4.7 mb1mx, 4.8 mbtmp, 4.1 ML, 4.0 MS, 4.0 Ms1, 3.6 ms1mx
43.922836 35.5 deg 74.605 deg Tonga Islands Region 2016/11/16 00:30:28 GMT (-20.2, -173.0) 10 km 5.9 MB, 5.6 MWB
43.748814 57.1 deg 355.768 deg Mariana Islands Region 2015/08/17 14:42:32 GMT (21.9, 146.6) 3.1 km 5.6 MWB
43.44578 45.1 deg 301.304 deg Java, Indonesia 2017/09/20 23:59:24 GMT (-6.1, 113.0) 589 km 5.7 Mww
43.219246 88.1 deg 182.038 deg South Sandwich Islands Region 2015/02/18 22:47:09 GMT (-56.8, -25.8) 35 km 4.9 MW
42.873 94.2 deg 23.783 deg Fox Islands, Aleutian Islands 2016/03/27 18:01:30 GMT (52.2, -168.7) 16 km 5.7 MWB
42.514282 48.7 deg 351.857 deg Mariana Islands 2014/11/09 18:52:30 GMT (13.2, 144.2) 138 km 4.6 mb, 4.5 mb
41.821583 48.2 deg 354.323 deg South Of Mariana Islands 2015/06/04 10:51:36 GMT (13.0, 146.1) 16 km 4.9 MW
41.696457 34.3 deg 338.303 deg Irian Jaya, Indonesia 2016/08/28 07:23:50 GMT (-2.8, 138.4) 28 km 5.7 MB
41.64858 82.8 deg 357.606 deg Northwest Of Kuril Islands 2016/07/23 01:00:21 GMT (47.7, 147.0) 407 km 5.7 MB
41.51315 56.6 deg 324.761 deg Luzon, Philippines 2017/08/11 05:28:25 GMT (14.0, 120.7) 168 km 6.2 Mww
41.499462 34.7 deg 74.948 deg Tonga Islands 2017/12/11 10:50:00 GMT (-20.8, -173.6) 10 km 5.6 mb
41.133373 35.2 deg 325.035 deg Banda Sea 2017/10/25 11:58:14 GMT (-4.9, 131.1) 42 km 5.5 Mww
40.9606 34.1 deg 309.15 deg Timor Region 2018/08/28 07:08:09 GMT (-10.9, 124.2) 8.6 km 6.2 Mww
40.91763 73.0 deg 352.461 deg Near East Coast Of Honshu, Japan 2014/09/24 13:30:56 GMT (37.6, 141.4) 52 km 5.1 MW
39.7442 31.6 deg 64.17 deg Fiji Islands Region 2018/09/21 03:41:41 GMT (-17.8, -179.9) 639 km 5.7 Mwb
39.160114 74.9 deg 354.195 deg Off East Coast Of Honshu, Japan 2015/06/11 04:56:32 GMT (39.7, 143.2) 10 km 5.8 MO
37.4731 93.7 deg 103.677 deg Central East Pacific Rise 2018/06/24 18:43:42 GMT (-9.0, -108.5) 10 km 5.7 Mww
36.430553 89.0 deg 180.961 deg South Sandwich Islands Region 2014/09/22 16:01:42 GMT (-56.0, -27.8) 112 km 5.6 MB, 5.7 MWB
34.199123 32.4 deg 65.623 deg Fiji Islands Region 2018/02/09 11:43:56 GMT (-17.9, -178.7) 545 km 5.9 Mww
32.47464 30.8 deg 69.917 deg Fiji Islands Region 2013/12/17 17:02:01 GMT (-20.7, -178.7) 602 km 5.7 MWB, 5.7 MWC
31.854479 88.1 deg 306.333 deg Nepal 2015/04/25 06:22:14 GMT (27.9, 85.1) 12 km 4.9 mb
30.078556 34.1 deg 320.144 deg Banda Sea 2015/05/12 07:22:04 GMT (-7.3, 129.2) 150 km 5.2 mb, 5.1 mb
26.832842 38.5 deg 67.282 deg Samoa Islands Region 2017/08/15 06:01:44 GMT (-14.8, -173.1) 10 km 5.2 mb
18.402243 68.5 deg 350.975 deg Southeast Of Honshu, Japan 2015/04/25 06:35:46 GMT (32.9, 140.5) 89 km 5.2 mb, 5.2 mb