Station AK Q23K - Middleton Island, AK, USA

Network: AK - Alaska Regional Network

Nearby stations (2 deg radius)

Station Name (Lat, Lon) Start / End Elevation
Q23K Middleton Island, AK, USA (59.43, -146.34) 2019-09-24 / 2499-01-01 46 m
Q23K Middleton Island, AK, USA (59.43, -146.34) 2019-09-30 / 2599-12-31 46 m
Crust2 Type:C4,continental shelf, 3.5 km seds.
Thickness Estimate:36 km
Thickness StdDev:11 km
Vp/Vs Estimate:2.08
Vp/Vs StdDev:0.16
Vs Estimate:2.876 km/s
Poisson's Ratio:0.35
Peak Value:0.04
Assumed Vp:5.989 km/s
Ps Weight:0.33333334
PpPs Weight:0.33333334
PsPs Weight:0.33333328
Residual Complexity:0.845
Nearby stations H:44 km +- 21 km
(2.0 deg) Vp/Vs:1.86 +- 0.21

0 with match > 90% ( 0.0 %) and 6 with match > 80% ( 4.6511626 %) out of 129.

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 36 km 2.08 5.989 km/s 2.876 km/s 0.35
Crust2.0 32 km 1.81 5.989 km/s 3.317 km/s 0.28 C4,continental shelf, 3.5 km seds.
Global Maxima 36 km 2.08 5.989 km/s 2.876 km/s 0.35 amp=0.03932302
Local Maxima 1 54 km 1.76 5.989 km/s 3.393 km/s 0.26 amp=0.025775623
Local Maxima 2 50 km 1.92 5.989 km/s 3.123 km/s 0.31 amp=0.021605268
Local Maxima 3 68 km 1.72 5.989 km/s 3.482 km/s 0.24 amp=0.02055989
Local Maxima 4 26 km 1.78 5.989 km/s 3.365 km/s 0.27 amp=0.019498816
Predicted Arrivals for vertical incidence
(zero ray parameter)
Ps6.51 SECOND
PpPs18.53 SECOND
PsPs/PpSs25.04 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

(6 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude
87.7761 54.2 deg 121.006 deg Near Coast Of Guerrero, Mexico 2021/09/08 01:47:46 UTC (17.0, -99.8) 13 km 7.0 mww
87.27739 56.8 deg 117.604 deg Near Coast Of Oaxaca, Mexico 2020/06/23 15:29:04 UTC (15.9, -95.9) 20 km 7.4 mww
85.2807 51.5 deg 124.161 deg Near Coast Of Michoacan, Mexico 2022/09/19 18:05:09 UTC (18.2, -103.4) 10 km 7.5 Mi
84.259964 80.6 deg 207.534 deg Tonga Islands 2022/06/04 13:07:25 UTC (-18.0, -175.0) 237 km 6.3 mww
82.1085 58.5 deg 116.033 deg Near Coast Of Chiapas, Mexico 2023/07/14 09:29:01 UTC (15.0, -93.9) 35 km 6.3 mww
81.59111 89.6 deg 218.877 deg Southeast Of Loyalty Islands 2023/05/19 02:57:07 UTC (-23.2, 170.7) 10 km 7.7 Mi

Losers

(123 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude Reason
87.06302 84.0 deg 247.141 deg Eastern New Guinea Reg., P.N.G. 2022/09/10 23:46:55 UTC (-6.2, 146.5) 61 km 7.6 mww
87.01698 84.8 deg 245.249 deg Eastern New Guinea Reg., P.N.G. 2020/07/17 02:50:23 UTC (-7.8, 147.8) 85 km 6.9 mww
84.47043 71.6 deg 284.153 deg Taiwan 2022/09/18 06:44:15 UTC (23.1, 121.3) 10 km 7.2 Mi
82.96472 80.7 deg 226.483 deg Santa Cruz Islands 2020/05/12 22:41:12 UTC (-12.1, 166.6) 107 km 6.6 mww
81.648094 33.4 deg 277.067 deg East Of Kuril Islands 2020/03/25 02:49:21 UTC (49.0, 157.7) 57 km 7.5 Mww
81.06217 49.0 deg 278.292 deg Near East Coast Of Honshu, Japan 2021/03/20 09:09:45 UTC (38.5, 141.6) 54 km 7.0 Mww
79.42514 82.2 deg 113.532 deg Peru-Ecuador Border Region 2021/07/30 17:10:19 UTC (-4.9, -80.6) 33 km 6.2 Mww
78.66542 86.5 deg 6.593 deg Crete, Greece 2020/05/02 12:51:06 UTC (34.2, 25.7) 17 km 6.6 mww
78.187904 77.6 deg 206.267 deg Samoa Islands Region 2022/12/04 19:24:15 UTC (-15.4, -173.0) 36 km 6.7 Mww
78.017006 77.8 deg 205.747 deg Samoa Islands Region 2022/12/04 19:24:27 UTC (-15.7, -172.5) 148 km 6.9 Mi
77.324356 49.2 deg 277.819 deg Near East Coast Of Honshu, Japan 2021/05/01 01:27:30 UTC (38.1, 141.8) 56 km 6.6 Mi
75.578255 83.8 deg 269.234 deg Philippine Islands Region 2021/01/21 12:23:05 UTC (5.0, 127.5) 96 km 7.0 mww
75.365234 79.7 deg 279.596 deg Mindoro, Philippines 2023/06/15 02:19:25 UTC (13.8, 120.7) 124 km 6.2 mww
74.31861 86.3 deg 222.689 deg Vanuatu Islands 2020/05/27 07:09:18 UTC (-18.7, 168.1) 10 km 6.1 Mww
74.20732 88.9 deg 217.811 deg Southeast Of Loyalty Islands 2022/05/26 15:38:03 UTC (-22.9, 172.0) 10 km 6.9 Mi
74.14757 57.0 deg 316.702 deg Russia-Mongolia Border Region 2021/01/11 21:41:04 UTC (51.5, 100.5) 10 km 5.8 mb
74.145706 83.9 deg 250.92 deg New Guinea, Papua New Guinea 2023/04/02 18:04:12 UTC (-4.3, 143.2) 74 km 7.3 Mi
73.89866 78.2 deg 207.787 deg Tonga Islands 2023/05/10 16:02:00 UTC (-15.6, -174.6) 210 km 7.6 mww
73.50378 43.3 deg 284.842 deg Hokkaido, Japan Region 2022/07/02 01:59:45 UTC (45.9, 142.1) 322 km 5.8 mww
73.40359 83.5 deg 271.333 deg Mindanao, Philippines 2020/09/06 15:23:43 UTC (6.3, 125.8) 120 km 6.3 mww
73.2819 89.6 deg 219.126 deg Southeast Of Loyalty Islands 2023/05/20 01:51:01 UTC (-23.1, 170.4) 45 km 7.4 Mi
73.24134 87.9 deg 220.051 deg Southeast Of Loyalty Islands 2022/09/14 11:04:07 UTC (-21.2, 170.1) 124 km 7.0 Mi
73.235565 85.6 deg 149.97 deg Easter Island Region 2022/07/12 19:28:49 UTC (-22.2, -113.8) 10 km 5.6 mb
72.92324 59.8 deg 113.003 deg Guatemala 2023/05/17 23:02:00 UTC (15.1, -90.9) 256 km 6.4 mww
72.869354 45.0 deg 126.701 deg Gulf Of California 2023/06/18 20:30:30 UTC (23.2, -108.3) 33 km 6.6 Mi
72.60697 49.6 deg 277.654 deg Near East Coast Of Honshu, Japan 2022/03/16 14:36:33 UTC (37.7, 141.6) 63 km 7.3 mww
72.55781 79.8 deg 279.531 deg Mindoro, Philippines 2021/07/23 20:48:57 UTC (13.7, 120.7) 110 km 6.7 mww
71.68921 84.5 deg 224.699 deg Vanuatu Islands 2022/04/09 20:52:37 UTC (-16.3, 166.8) 10 km 6.2 mww
71.15528 92.7 deg 206.727 deg Kermadec Islands, New Zealand 2021/08/31 02:52:49 UTC (-30.0, -177.5) 10 km 6.3 mww
70.729935 30.6 deg 282.16 deg Near East Coast Of Kamchatka 2023/04/03 03:06:55 UTC (52.8, 158.6) 100 km 6.7 Mi
70.60386 82.8 deg 5.471 deg Dodecanese Islands, Greece 2020/10/30 11:51:27 UTC (37.9, 26.8) 21 km 7.0 mww
70.42247 92.6 deg 261.232 deg Banda Sea 2020/05/06 13:53:56 UTC (-6.8, 129.9) 107 km 6.8 Mww
70.31624 84.7 deg 208.505 deg Fiji Islands Region 2021/04/25 22:28:00 UTC (-21.7, -177.1) 234 km 6.4 Mww
70.11906 77.5 deg 329.019 deg Tajikistan-Xinjiang Border Reg. 2023/02/23 00:37:40 UTC (38.1, 73.2) 21 km 6.8 Mww
70.00259 35.6 deg 5.296 deg North Of Svalbard 2022/05/21 07:01:23 UTC (84.3, 0.8) 10 km 5.8 mww
69.89517 81.4 deg 233.825 deg Solomon Islands 2022/11/22 02:03:07 UTC (-9.8, 159.6) 14 km 7.0 Mww
69.380585 56.2 deg 275.649 deg Southeast Of Honshu, Japan 2020/07/06 18:19:09 UTC (31.5, 138.2) 381 km 5.6 Mww
68.84814 64.8 deg 111.278 deg Near Coast Of Nicaragua 2022/04/21 07:42:51 UTC (11.5, -87.0) 10 km 6.8 Mi
68.82283 70.9 deg 109.681 deg South Of Panama 2021/07/17 20:56:10 UTC (6.8, -82.7) 4.1 km 6.1 mww
68.23118 58.7 deg 271.011 deg Bonin Islands, Japan Region 2020/04/18 08:25:37 UTC (27.1, 140.1) 454 km 6.6 Mww
67.80192 84.4 deg 205.787 deg Tonga Islands Region 2021/09/05 17:51:42 UTC (-22.1, -174.2) 10 km 5.9 mww
67.25347 47.5 deg 279.177 deg Near East Coast Of Honshu, Japan 2021/10/05 17:46:02 UTC (40.1, 142.3) 45 km 5.7 Mww
67.17673 85.9 deg 150.466 deg Easter Island Region 2022/07/12 19:17:00 UTC (-22.6, -114.2) 10 km 6.4 mb
66.684784 80.2 deg 235.103 deg Solomon Islands 2023/03/27 22:19:15 UTC (-8.2, 158.9) 86 km 6.1 mww
66.04981 79.5 deg 241.485 deg New Ireland Region, P.N.G. 2022/10/13 22:20:20 UTC (-4.8, 153.6) 71 km 6.4 mww
66.03688 85.2 deg 267.541 deg Halmahera, Indonesia 2020/06/04 08:49:41 UTC (2.9, 128.2) 127 km 6.7 Mi
65.99374 85.4 deg 6.889 deg Crete, Greece 2021/09/27 06:17:22 UTC (35.3, 25.3) 8.7 km 6.0 mww
65.88156 83.7 deg 109.879 deg Northern Peru 2021/11/28 10:52:14 UTC (-4.5, -76.7) 99 km 7.4 Mi
65.66576 85.9 deg 208.294 deg South Of Fiji Islands 2023/06/15 18:06:27 UTC (-23.0, -177.2) 167 km 7.2 Mww
65.59963 81.8 deg 208.469 deg Fiji Islands Region 2021/04/24 00:23:36 UTC (-18.9, -176.2) 289 km 6.4 Mww
65.384315 84.6 deg 205.859 deg Tonga Islands Region 2020/05/28 07:18:44 UTC (-22.2, -174.3) 10 km 5.9 mww
65.292625 75.0 deg 281.912 deg Philippine Islands Region 2022/06/30 18:40:38 UTC (19.1, 121.3) 36 km 5.9 Mww
65.02333 70.8 deg 284.398 deg Taiwan 2021/04/18 14:14:36 UTC (23.9, 121.5) 10 km 5.8 mww
64.89901 93.0 deg 206.909 deg Kermadec Islands, New Zealand 2021/06/20 17:05:48 UTC (-30.2, -177.8) 10 km 6.5 mww
64.69839 92.5 deg 206.525 deg Kermadec Islands, New Zealand 2021/03/04 19:46:17 UTC (-29.8, -177.2) 10 km 5.7 mb
64.55723 81.1 deg 207.641 deg Tonga Islands 2019/11/04 22:43:37 UTC (-18.4, -175.2) 10 km 6.9 Mi
63.8081 83.1 deg 330.316 deg Southeastern Afghanistan 2022/06/21 20:54:36 UTC (33.1, 69.5) 10 km 5.9 mwb
63.788296 92.0 deg 206.977 deg Kermadec Islands, New Zealand 2021/04/26 13:42:22 UTC (-29.2, -177.6) 60 km 5.5 mb
63.62187 87.1 deg 268.353 deg Northern Molucca Sea 2020/09/06 00:21:10 UTC (1.7, 126.6) 30 km 5.9 Mww
63.61263 74.8 deg 302.937 deg Sichuan, China 2022/09/05 04:52:19 UTC (29.7, 102.3) 10 km 6.6 mww
63.555565 85.8 deg 146.538 deg Southern East Pacific Rise 2022/06/24 00:00:18 UTC (-21.4, -110.2) 10 km 5.8 mww
63.45178 85.6 deg 5.536 deg Crete, Greece 2021/12/26 18:59:02 UTC (35.1, 26.9) 10 km 5.6 Mww
63.122726 92.9 deg 207.03 deg Kermadec Islands, New Zealand 2023/04/24 00:41:54 UTC (-30.0, -177.9) 34 km 7.3 mww
63.063442 92.1 deg 340.831 deg Southern Iran 2022/07/01 21:32:07 UTC (26.9, 55.2) 10 km 6.1 mww
62.60257 92.9 deg 206.874 deg Kermadec Islands, New Zealand 2022/03/02 12:52:07 UTC (-30.1, -177.7) 24 km 6.6 mww
62.203403 63.9 deg 111.716 deg Near Coast Of Nicaragua 2021/09/22 09:57:07 UTC (12.1, -87.8) 10 km 6.7 Mi
61.985394 66.0 deg 282.141 deg Ryukyu Islands, Japan 2022/06/03 07:03:35 UTC (26.8, 126.4) 10 km 5.6 Mww
61.830086 92.2 deg 340.769 deg Southern Iran 2022/07/01 23:25:15 UTC (26.9, 55.3) 10 km 6.0 Mwb
61.78265 42.3 deg 288.275 deg Primor'ye, Russia 2020/11/30 22:54:34 UTC (48.3, 140.8) 587 km 6.4 mww
61.61055 71.9 deg 103.538 deg Panama-Colombia Border Region 2023/05/25 03:05:34 UTC (8.9, -77.1) 10 km 6.6 Mi
61.59117 45.8 deg 281.675 deg Hokkaido, Japan Region 2023/06/11 09:54:45 UTC (42.5, 141.9) 125 km 6.2 mww
61.534233 49.4 deg 277.316 deg Near East Coast Of Honshu, Japan 2021/02/13 14:07:49 UTC (37.7, 142.0) 54 km 7.0 mww
61.50093 94.5 deg 262.777 deg Banda Sea 2021/12/29 18:25:51 UTC (-7.6, 127.6) 167 km 7.3 mww
61.227394 91.5 deg 271.106 deg Minahassa Peninsula, Sulawesi 2021/07/26 12:09:06 UTC (-0.7, 121.9) 11 km 6.2 mww
60.970047 81.3 deg 113.303 deg Peru-Ecuador Border Region 2020/08/25 05:18:12 UTC (-4.0, -80.8) 33 km 5.5 Mww
60.779724 51.9 deg 280.914 deg Near West Coast Of Honshu, Japan 2023/05/05 05:42:04 UTC (37.5, 137.3) 8.7 km 6.2 mww
60.678143 81.5 deg 225.729 deg Vanuatu Islands 2020/03/18 03:13:45 UTC (-13.1, 167.0) 176 km 6.1 mww
60.656708 83.5 deg 273.311 deg Mindanao, Philippines 2020/08/01 17:09:01 UTC (7.3, 124.1) 480 km 6.4 mww
60.52227 84.2 deg 210.096 deg Fiji Islands Region 2020/07/21 20:56:24 UTC (-20.8, -178.6) 602 km 6.0 mww
60.404507 71.5 deg 134.448 deg Central East Pacific Rise 2022/10/20 06:12:20 UTC (-3.8, -103.6) 10 km 5.4 Mww
60.25331 82.0 deg 209.654 deg Fiji Islands Region 2021/05/07 23:35:14 UTC (-18.8, -177.5) 384 km 6.1 Mww
60.22141 42.8 deg 284.044 deg Hokkaido, Japan Region 2023/06/23 17:39:13 UTC (45.8, 143.1) 318 km 5.6 Mww
60.142265 71.0 deg 284.327 deg Taiwan 2022/06/20 01:05:07 UTC (23.7, 121.5) 8.0 km 5.9 mww
59.570503 85.0 deg 223.735 deg Vanuatu Islands 2020/09/06 02:59:15 UTC (-17.1, 167.6) 8.2 km 6.2 mww
58.38193 30.4 deg 277.9 deg Off East Coast Of Kamchatka 2022/07/29 23:05:43 UTC (51.2, 161.0) 7.0 km 5.6 Mww
58.36303 79.9 deg 243.066 deg New Britain Region, P.N.G. 2022/04/13 03:00:56 UTC (-4.5, 152.0) 147 km 5.9 mww
57.568573 83.8 deg 210.092 deg Fiji Islands Region 2022/03/07 05:34:18 UTC (-20.4, -178.4) 582 km 6.1 mww
56.653393 63.0 deg 261.434 deg Mariana Islands 2020/06/13 21:08:30 UTC (18.9, 145.1) 622 km 6.2 Mww
56.49048 80.8 deg 243.352 deg New Britain Region, P.N.G. 2021/06/08 10:56:38 UTC (-5.2, 151.3) 139 km 5.7 Mww
56.308563 80.4 deg 239.597 deg Solomon Islands 2022/01/16 12:52:10 UTC (-6.4, 154.8) 408 km 6.1 Mww
56.154408 89.2 deg 219.352 deg Southeast Of Loyalty Islands 2022/03/31 05:44:01 UTC (-22.7, 170.3) 10 km 7.2 Mi
55.84884 86.7 deg 267.873 deg Halmahera, Indonesia 2022/05/08 21:51:41 UTC (1.8, 127.2) 56 km 5.5 mww
55.5751 80.7 deg 226.047 deg Santa Cruz Islands 2022/05/28 14:11:12 UTC (-12.2, 167.1) 214 km 5.6 Mww
55.422935 84.2 deg 268.221 deg North Of Halmahera, Indonesia 2021/12/04 23:47:57 UTC (4.1, 128.1) 174 km 6.0 mww
55.317226 73.4 deg 281.984 deg Philippine Islands Region 2020/04/10 16:44:55 UTC (20.4, 122.1) 149 km 5.9 mww
55.08473 80.3 deg 242.661 deg New Britain Region, P.N.G. 2021/07/19 23:02:08 UTC (-5.0, 152.1) 28 km 5.4 mww
54.930534 83.2 deg 109.871 deg Northern Peru 2020/06/07 10:31:17 UTC (-4.0, -76.9) 99 km 5.4 Mww
54.373894 84.9 deg 5.891 deg Crete, Greece 2022/11/20 23:24:58 UTC (35.9, 26.4) 63 km 5.5 mww
54.355633 80.2 deg 280.839 deg Luzon, Philippines 2022/03/13 21:05:52 UTC (14.1, 119.4) 33 km 6.7 Mi
53.643654 84.9 deg 267.829 deg North Of Halmahera, Indonesia 2023/02/23 20:02:48 UTC (3.3, 128.1) 97 km 6.3 mww
53.604378 84.3 deg 271.552 deg Mindanao, Philippines 2021/08/27 10:22:26 UTC (5.7, 125.2) 39 km 5.6 Mww
53.588802 84.7 deg 208.22 deg Fiji Islands Region 2022/08/28 18:48:01 UTC (-21.8, -176.8) 221 km 5.6 mww
53.57241 84.1 deg 267.735 deg North Of Halmahera, Indonesia 2021/05/12 18:20:29 UTC (3.9, 128.6) 60 km 5.5 mww
53.435616 84.4 deg 5.378 deg Dodecanese Islands, Greece 2021/08/01 04:31:27 UTC (36.4, 27.0) 11 km 5.7 mww
53.07154 83.1 deg 247.191 deg Eastern New Guinea Reg., P.N.G. 2023/03/14 00:49:08 UTC (-5.4, 146.9) 213 km 6.3 mww
52.95002 40.0 deg 279.549 deg Kuril Islands 2020/02/13 10:33:44 UTC (45.6, 148.9) 144 km 7.0 mww
52.395473 86.1 deg 221.384 deg Vanuatu Islands 2019/10/21 02:52:29 UTC (-19.0, 169.5) 226 km 6.4 Mww
50.998055 79.5 deg 330.223 deg Hindu Kush Region, Afghanistan 2023/03/21 16:47:23 UTC (36.5, 71.0) 188 km 6.5 Mww
50.764153 84.8 deg 8.476 deg Crete, Greece 2019/11/27 07:23:42 UTC (35.7, 23.3) 72 km 6.0 Mww
50.21376 89.9 deg 269.911 deg Minahassa Peninsula, Sulawesi 2020/06/23 07:43:28 UTC (0.1, 123.8) 102 km 5.9 mww
50.169724 81.0 deg 272.377 deg Mindanao, Philippines 2020/07/27 17:32:44 UTC (9.0, 126.3) 39 km 5.7 Mww
49.677902 80.8 deg 242.93 deg New Britain Region, P.N.G. 2020/06/07 20:06:38 UTC (-5.4, 151.7) 53 km 5.9 mww
48.96487 87.4 deg 211.309 deg South Of Fiji Islands 2020/06/10 04:29:20 UTC (-23.5, 179.2) 539 km 5.9 Mww
48.85107 70.9 deg 284.331 deg Taiwan 2021/04/18 14:11:38 UTC (23.8, 121.6) 10 km 5.9 mb
48.799454 83.0 deg 224.884 deg Vanuatu Islands 2020/11/29 09:01:35 UTC (-14.8, 167.3) 112 km 5.5 mww
47.976162 86.4 deg 218.089 deg Vanuatu Islands Region 2021/08/04 05:55:12 UTC (-20.5, 172.6) 23 km 5.5 Mww
47.15579 87.2 deg 268.66 deg Northern Molucca Sea 2019/11/14 20:19:47 UTC (1.8, 126.3) 15 km 5.5 mb
46.643814 83.9 deg 209.989 deg Fiji Islands Region 2023/02/27 06:40:59 UTC (-20.5, -178.4) 548 km 5.6 Mww
46.319107 50.0 deg 287.147 deg Primor'ye, Russia 2023/06/27 23:38:21 UTC (42.1, 134.1) 443 km 5.8 Mww
46.27171 85.7 deg 223.591 deg Vanuatu Islands 2021/02/16 00:49:26 UTC (-17.8, 167.5) 10 km 6.2 Mww
44.86583 91.8 deg 271.343 deg Minahassa Peninsula, Sulawesi 2021/08/26 02:14:21 UTC (-0.8, 121.6) 10 km 5.5 mww
42.421104 92.2 deg 340.821 deg Southern Iran 2022/11/30 15:17:41 UTC (26.9, 55.2) 4.7 km 5.7 mww
29.884932 91.3 deg 206.646 deg Kermadec Islands Region 2021/03/06 07:16:19 UTC (-28.6, -177.0) 10 km 5.6 mb