Station SB DBR2 - PG&E DBR array station 2

Network: SB - UC Santa Barbara Engineering Seismology Network ()

Nearby stations (2 deg radius)

Station Name (Lat, Lon) Start / End Elevation
DBR2 PG&E DBR array station 2 (35.19, -120.81) 2018-12-06 / 2038-01-01 22 m
Crust2 Type:S1,continental slope, margin, transition 1 km seds.
Thickness Estimate:18 km
Thickness StdDev:4.3 km
Vp/Vs Estimate:1.78
Vp/Vs StdDev:0.05
Vs Estimate:3.469 km/s
Poisson's Ratio:0.27
Peak Value:0.02
Assumed Vp:6.183 km/s
Ps Weight:0.33333334
PpPs Weight:0.33333334
PsPs Weight:0.33333328
Residual Complexity:0.690
Nearby stations H:20 km +- 4.0 km
(2.0 deg) Vp/Vs:1.79 +- 0.05

6 with match > 90% ( 6.818182 %) and 14 with match > 80% ( 15.909091 %) out of 88.

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 18 km 1.78 6.183 km/s 3.469 km/s 0.27
Crust2.0 23 km 1.81 6.183 km/s 3.422 km/s 0.28 S1,continental slope, margin, transition 1 km seds.
Global Maxima 18 km 1.78 6.183 km/s 3.469 km/s 0.27 amp=0.021982817
Local Maxima 1 25 km 1.81 6.183 km/s 3.411 km/s 0.28 amp=0.020492433
Local Maxima 2 20 km 1.60 6.183 km/s 3.864 km/s 0.18 amp=0.007039818
Local Maxima 3 29 km 1.60 6.183 km/s 3.864 km/s 0.18 amp=0.0065552974
Local Maxima 4 48 km 2.01 6.183 km/s 3.076 km/s 0.34 amp=0.0060977787
Predicted Arrivals for vertical incidence
(zero ray parameter)
Ps2.31 SECOND
PpPs8.21 SECOND
PsPs/PpSs10.52 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

(14 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude
94.97212 71.8 deg 234.954 deg Tonga Islands 2023/05/10 16:02:00 GMT (-15.6, -174.6) 210 km 7.6 mww
93.39915 87.2 deg 239.253 deg Southeast Of Loyalty Islands 2023/05/20 01:51:01 GMT (-23.1, 170.4) 45 km 7.4 Mi
93.33857 96.7 deg 305.209 deg Taiwan 2024/04/02 23:58:11 GMT (23.8, 121.6) 35 km 7.4 mww
93.209854 78.7 deg 137.301 deg Near Coast Of Central Chile 2023/10/31 12:33:44 GMT (-28.7, -71.6) 41 km 6.7 mww
90.577995 53.9 deg 125.809 deg Near Coast Of Ecuador 2023/03/18 17:12:53 GMT (-2.9, -79.8) 66 km 6.7 Mww
90.255844 31.4 deg 122.893 deg Near Coast Of Chiapas, Mexico 2023/07/14 09:29:01 GMT (15.0, -93.9) 35 km 6.3 mww
89.90586 33.7 deg 317.475 deg Alaska Peninsula 2023/07/16 06:48:21 GMT (54.5, -160.8) 21 km 7.3 Mi
88.89172 80.0 deg 138.257 deg Near Coast Of Central Chile 2023/09/06 23:48:05 GMT (-30.3, -71.5) 41 km 6.2 mww
88.165276 87.0 deg 226.027 deg South Of Kermadec Islands 2023/09/08 09:09:58 GMT (-32.7, -179.3) 90 km 6.6 mww
87.037285 32.9 deg 121.746 deg Near Coast Of Chiapas, Mexico 2024/05/12 11:39:14 GMT (14.5, -92.4) 75 km 6.4 mww
85.32912 72.8 deg 230.469 deg Tonga Islands Region 2022/11/11 10:48:45 GMT (-19.3, -172.1) 25 km 7.3 Mww
82.84787 70.5 deg 233.893 deg Samoa Islands Region 2022/12/04 19:24:15 GMT (-15.4, -173.0) 36 km 6.7 Mww
82.75406 87.2 deg 256.055 deg Solomon Islands 2022/11/22 02:03:07 GMT (-9.8, 159.6) 14 km 7.0 Mww
80.08112 54.3 deg 89.527 deg North Atlantic Ocean 2023/07/10 20:28:25 GMT (20.0, -61.1) 10 km 6.6 mww

Losers

(74 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude Reason
96.02734 95.8 deg 267.381 deg Eastern New Guinea Reg., P.N.G. 2023/10/07 09:18:50 GMT (-5.5, 146.0) 69 km 5.6 mb
93.8606 96.6 deg 305.291 deg Taiwan 2024/04/03 00:43:55 GMT (24.0, 121.6) 10 km 5.5 mb
87.958206 84.2 deg 227.034 deg Kermadec Islands, New Zealand 2023/04/24 00:41:54 GMT (-30.0, -177.9) 34 km 7.3 mww
86.639626 78.3 deg 231.145 deg South Of Fiji Islands 2023/06/15 18:06:29 GMT (-22.9, -176.6) 206 km 7.0 Mi
85.02759 83.2 deg 225.589 deg Kermadec Islands Region 2023/03/16 00:55:58 GMT (-30.2, -175.9) 10 km 7.1 Mi
83.902885 87.1 deg 239.032 deg Southeast Of Loyalty Islands 2023/05/19 02:57:07 GMT (-23.2, 170.7) 10 km 7.7 Mi
83.11039 73.5 deg 233.36 deg Tonga Islands 2023/07/02 10:27:45 GMT (-17.9, -174.7) 247 km 6.7 Mi
79.242584 42.3 deg 310.359 deg Andreanof Islands, Aleutian Is. 2022/11/06 10:02:04 GMT (51.6, -176.0) 48 km 5.1 Mww
79.1445 42.8 deg 311.651 deg Andreanof Islands, Aleutian Is. 2023/10/16 11:35:31 GMT (52.4, -176.9) 187 km 6.4 Mww
79.13497 77.9 deg 233.805 deg Fiji Islands Region 2023/03/06 20:59:59 GMT (-20.8, -178.3) 526 km 5.8 mww
78.95178 77.5 deg 234.328 deg Fiji Islands Region 2022/11/12 07:09:14 GMT (-20.1, -178.4) 587 km 7.0 mww
77.8386 80.2 deg 299.557 deg Southeast Of Honshu, Japan 2023/10/05 02:06:32 GMT (29.9, 139.9) 10 km 5.4 Mww
77.69179 83.8 deg 248.326 deg Vanuatu Islands 2023/08/16 12:47:40 GMT (-13.9, 167.2) 193 km 6.5 Mww
77.66552 33.5 deg 119.036 deg Guatemala 2023/05/17 23:02:00 GMT (15.1, -90.9) 256 km 6.4 mww
77.21827 45.6 deg 310.557 deg Rat Islands, Aleutian Islands 2022/12/14 18:40:26 GMT (51.6, 178.6) 73 km 6.3 Mww
76.678986 83.1 deg 232.814 deg South Of Fiji Islands 2023/04/28 03:13:43 GMT (-25.1, 178.5) 577 km 6.2 mb
75.78002 55.5 deg 94.029 deg Leeward Islands 2023/01/20 11:23:40 GMT (16.2, -62.0) 165 km 5.8 Mi
75.74181 59.5 deg 312.927 deg Kuril Islands 2023/09/01 20:49:54 GMT (50.7, 156.3) 141 km 6.1 Mww
75.17715 83.7 deg 247.18 deg Vanuatu Islands 2023/07/26 12:44:35 GMT (-14.8, 167.9) 13 km 6.4 mww
74.85758 70.3 deg 234.204 deg Tonga Islands 2023/08/08 18:38:56 GMT (-15.0, -173.0) 120 km 6.2 Mi
74.7598 77.7 deg 230.065 deg Tonga Islands Region 2023/01/11 11:30:27 GMT (-23.2, -175.3) 10 km 5.6 Mww
74.46263 86.7 deg 142.52 deg Southern Argentina 2023/07/17 03:05:10 GMT (-38.2, -70.4) 171 km 6.6 mww
73.82238 95.9 deg 267.277 deg Eastern New Guinea Reg., P.N.G. 2023/10/07 14:13:36 GMT (-5.6, 145.9) 62 km 5.5 mb
71.85564 75.8 deg 232.823 deg Tonga Islands 2024/03/31 03:01:44 GMT (-19.9, -176.0) 10 km 5.5 Mww
71.12426 83.5 deg 306.076 deg Shikoku, Japan 2024/04/17 14:14:45 GMT (33.2, 132.4) 26 km 6.3 mww
70.33855 81.7 deg 298.048 deg Bonin Islands, Japan Region 2024/04/27 08:35:34 GMT (27.8, 139.6) 503 km 6.5 mww
70.24868 34.2 deg 120.267 deg Guatemala 2022/11/12 04:39:47 GMT (14.1, -90.8) 100 km 5.8 mww
70.13046 86.3 deg 283.748 deg Mariana Islands 2023/08/09 09:20:31 GMT (13.4, 144.3) 494 km 5.7 Mi
69.84212 77.6 deg 307.222 deg Near West Coast Of Honshu, Japan 2023/05/05 05:42:04 GMT (37.5, 137.3) 8.7 km 6.2 mww
69.46909 30.8 deg 120.913 deg Chiapas, Mexico 2023/08/09 09:33:26 GMT (16.2, -93.6) 111 km 5.8 mww
69.19571 62.8 deg 122.26 deg Western Brazil 2024/01/20 21:31:07 GMT (-7.3, -71.5) 629 km 6.5 Mww
67.838524 35.1 deg 122.118 deg Off Coast Of Central America 2023/07/30 01:10:29 GMT (12.7, -90.9) 10 km 5.7 Mww
67.42608 84.4 deg 227.976 deg Kermadec Islands, New Zealand 2023/03/04 06:41:22 GMT (-29.5, -178.8) 206 km 6.9 mww
67.28108 87.0 deg 238.951 deg Southeast Of Loyalty Islands 2023/05/19 03:06:24 GMT (-23.2, 170.8) 38 km 5.9 mb
67.22438 85.8 deg 244.805 deg Vanuatu Islands 2024/01/23 14:33:47 GMT (-17.9, 167.8) 10 km 6.5 Mi
66.67076 82.9 deg 250.348 deg Santa Cruz Islands 2022/11/16 22:26:52 GMT (-11.7, 166.6) 138 km 5.8 mww
66.02288 86.1 deg 254.844 deg Solomon Islands 2023/05/28 03:29:55 GMT (-10.1, 161.2) 104 km 5.6 mww
65.711205 94.0 deg 224.397 deg North Island, New Zealand 2022/11/30 10:48:00 GMT (-38.8, 175.9) 7.8 km 5.4 Mww
65.237686 83.3 deg 131.366 deg Santiago Del Estero Prov., Arg. 2023/08/05 07:20:07 GMT (-28.2, -63.2) 598 km 6.2 Mww
64.900444 84.8 deg 226.631 deg Kermadec Islands, New Zealand 2023/09/21 15:20:26 GMT (-30.7, -178.0) 4.1 km 5.7 Mww
64.4971 51.5 deg 315.452 deg Komandorskiye Ostrova Region 2023/08/01 16:49:49 GMT (54.7, 168.2) 11 km 5.7 Mww
64.4696 78.1 deg 299.465 deg Southeast Of Honshu, Japan 2023/09/19 06:22:36 GMT (31.0, 142.0) 10 km 5.8 mww
64.317924 82.2 deg 287.774 deg Mariana Islands 2024/04/05 11:03:16 GMT (19.1, 145.4) 222 km 6.8 mww
63.393803 77.8 deg 130.28 deg Jujuy Province, Argentina 2023/03/22 16:00:31 GMT (-23.5, -66.5) 210 km 6.5 mww
63.307304 84.0 deg 226.849 deg Kermadec Islands, New Zealand 2023/10/23 10:10:15 GMT (-29.9, -177.5) 23 km 6.0 Mww
62.192585 45.8 deg 120.942 deg South Of Panama 2023/08/03 01:25:21 GMT (5.6, -82.6) 8.0 km 5.9 mww
60.897507 72.0 deg 309.535 deg Hokkaido, Japan Region 2023/06/11 09:54:45 GMT (42.5, 141.9) 125 km 6.2 mww
60.212418 53.3 deg 317.595 deg Komandorskiye Ostrova Region 2023/10/26 16:05:11 GMT (56.1, 164.7) 2.4 km 5.9 Mww
60.13205 47.7 deg 112.574 deg Panama-Colombia Border Region 2023/05/25 03:05:34 GMT (8.9, -77.1) 10 km 6.6 Mi
59.274773 90.2 deg 184.423 deg Pacific-Antarctic Ridge 2022/11/27 14:04:10 GMT (-55.1, -128.5) 10 km 5.5 Mww
59.172943 79.8 deg 304.137 deg Near S. Coast Of Honshu, Japan 2022/11/14 08:08:26 GMT (33.8, 137.3) 357 km 6.1 mww
58.38003 73.3 deg 307.499 deg Near East Coast Of Honshu, Japan 2024/04/01 19:24:36 GMT (40.1, 141.7) 73 km 5.9 mww
58.3138 95.7 deg 267.182 deg Eastern New Guinea Reg., P.N.G. 2023/10/07 08:34:26 GMT (-5.6, 146.1) 53 km 6.7 mww
58.177082 77.2 deg 131.554 deg Chile-Argentina Border Region 2023/07/06 00:31:55 GMT (-23.9, -67.9) 132 km 5.8 mww
57.98304 34.4 deg 119.965 deg Guatemala 2024/01/27 05:52:49 GMT (14.1, -90.5) 108 km 6.1 Mww
57.549366 46.3 deg 121.845 deg South Of Panama 2022/12/12 18:27:34 GMT (4.8, -82.8) 10 km 5.5 mww
56.964203 42.6 deg 101.638 deg Jamaica Region 2023/10/30 15:57:20 GMT (18.2, -76.6) 10 km 5.4 mww
56.53538 87.2 deg 239.42 deg Southeast Of Loyalty Islands 2023/05/23 06:42:00 GMT (-23.0, 170.2) 18 km 5.9 mww
56.402023 43.8 deg 310.194 deg Andreanof Islands, Aleutian Is. 2023/06/13 16:16:02 GMT (51.4, -178.4) 16 km 5.3 Mww
55.610954 86.0 deg 243.051 deg Vanuatu Islands 2023/10/29 04:32:08 GMT (-19.4, 168.8) 80 km 6.0 mww
54.484177 76.1 deg 236.647 deg Fiji Islands Region 2023/10/31 11:10:56 GMT (-17.5, -179.0) 548 km 6.4 mww
53.428947 92.4 deg 265.858 deg Bismarck Sea 2023/03/01 05:36:14 GMT (-4.8, 149.6) 583 km 6.5 Mi
52.87119 85.6 deg 226.359 deg Kermadec Islands Region 2024/05/12 18:43:20 GMT (-31.5, -178.5) 23 km 5.8 Mww
52.619514 77.5 deg 129.668 deg Jujuy Province, Argentina 2023/10/10 10:01:31 GMT (-22.9, -66.2) 247 km 6.0 Mww
52.381386 80.2 deg 299.617 deg Southeast Of Honshu, Japan 2023/10/05 01:59:58 GMT (30.0, 139.9) 10 km 6.1 mww
52.074696 74.5 deg 232.945 deg Tonga Islands 2024/01/18 22:12:20 GMT (-18.9, -175.1) 218 km 6.4 Mww
51.984135 36.9 deg 311.125 deg Fox Islands, Aleutian Islands 2023/08/20 01:48:54 GMT (51.6, -167.3) 10 km 5.2 Mww
51.476383 83.2 deg 286.093 deg Mariana Islands 2023/07/25 10:35:18 GMT (17.1, 145.5) 373 km 5.6 mww
51.46254 69.5 deg 312.068 deg Hokkaido, Japan Region 2023/06/23 17:39:13 GMT (45.8, 143.1) 318 km 5.6 Mww
49.506386 79.1 deg 233.861 deg Fiji Islands Region 2023/08/02 01:32:35 GMT (-21.6, -179.3) 632 km 5.8 mww
48.921154 61.3 deg 125.263 deg Peru-Brazil Border Region 2022/12/22 13:13:55 GMT (-8.0, -74.5) 157 km 5.5 mww
45.166283 78.7 deg 157.097 deg West Chile Rise 2023/05/26 22:18:25 GMT (-39.0, -91.5) 10 km 5.9 mww
44.70653 95.0 deg 266.929 deg Eastern New Guinea Reg., P.N.G. 2023/03/14 00:49:08 GMT (-5.4, 146.9) 213 km 6.3 mww
43.76168 82.3 deg 130.226 deg Santiago Del Estero Prov., Arg. 2023/01/20 22:09:39 GMT (-26.7, -63.0) 611 km 6.8 mww