Station UO GRESH - Gresham, OR, USA

Network: UO - University of Oregon Regional Network

Nearby stations (2 deg radius)

Station Name (Lat, Lon) Start / End Elevation
GRESH Gresham, OR, USA (45.48, -122.44) 2022-11-16 / 2499-01-01 301 m
Crust2 Type:L8,thin continental arc, Cordilleras, 0.5 km seds.
Thickness Estimate:62 km
Thickness StdDev:13 km
Vp/Vs Estimate:1.63
Vp/Vs StdDev:0.21
Vs Estimate:4.022 km/s
Poisson's Ratio:0.20
Peak Value:0.04
Assumed Vp:6.566 km/s
Ps Weight:0.33333334
PpPs Weight:0.33333334
PsPs Weight:0.33333328
Residual Complexity:0.784
Nearby stations H: +-
(2.0 deg) Vp/Vs: +-

2 with match > 90% ( 1.6393442 %) and 18 with match > 80% ( 14.754098 %) out of 122.

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 62 km 1.63 6.566 km/s 4.022 km/s 0.20
Crust2.0 34 km 1.77 6.566 km/s 3.707 km/s 0.27 L8,thin continental arc, Cordilleras, 0.5 km seds.
Global Maxima 62 km 1.63 6.566 km/s 4.022 km/s 0.20 amp=0.04464501
Local Maxima 1 36 km 2.02 6.566 km/s 3.255 km/s 0.34 amp=0.04038243
Local Maxima 2 36 km 1.60 6.566 km/s 4.104 km/s 0.18 amp=0.030009093
Local Maxima 3 31 km 1.63 6.566 km/s 4.022 km/s 0.20 amp=0.029086737
Local Maxima 4 60 km 1.64 6.566 km/s 3.998 km/s 0.21 amp=0.017237462
Predicted Arrivals for vertical incidence
(zero ray parameter)
Ps5.95 SECOND
PpPs24.76 SECOND
PsPs/PpSs30.70 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

(18 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude
91.677315 76.9 deg 231.381 deg Tonga Islands 2023/05/10 16:02:00 UTC (-15.6, -174.6) 210 km 7.6 mww
91.510925 70.7 deg 304.024 deg Near West Coast Of Honshu, Japan 2024/01/01 07:10:10 UTC (37.5, 137.2) 0.0 km 7.4 Mi
89.43751 84.4 deg 229.15 deg South Of Fiji Islands 2023/06/15 18:06:27 UTC (-23.0, -177.2) 167 km 7.2 Mww
89.3341 75.9 deg 230.156 deg Samoa Islands Region 2022/12/04 19:24:15 UTC (-15.4, -173.0) 36 km 6.7 Mww
89.25449 75.9 deg 229.597 deg Samoa Islands Region 2022/12/04 19:24:27 UTC (-15.7, -172.5) 148 km 6.9 Mi
88.42995 91.5 deg 238.089 deg Southeast Of Loyalty Islands 2023/05/20 01:51:01 UTC (-23.1, 170.4) 45 km 7.4 Mi
88.399254 91.4 deg 237.852 deg Southeast Of Loyalty Islands 2023/05/19 02:57:07 UTC (-23.2, 170.7) 10 km 7.7 Mi
88.19136 89.8 deg 304.6 deg Taiwan 2024/04/02 23:58:11 UTC (23.8, 121.6) 35 km 7.4 mww
86.81041 86.7 deg 245.297 deg Vanuatu Islands 2023/07/26 12:44:35 UTC (-14.8, 167.9) 13 km 6.4 mww
85.87239 78.9 deg 230.125 deg Tonga Islands 2023/07/02 10:27:45 UTC (-17.9, -174.7) 247 km 6.7 Mi
85.68469 84.4 deg 227.353 deg South Of Tonga Islands 2023/06/25 07:16:59 UTC (-24.0, -175.6) 7.1 km 6.0 mww
84.83196 90.4 deg 225.594 deg Kermadec Islands, New Zealand 2023/04/24 00:41:54 UTC (-30.0, -177.9) 34 km 7.3 mww
84.21878 78.1 deg 285.069 deg Mariana Islands 2024/04/05 11:03:16 UTC (19.1, 145.4) 222 km 6.8 mww
84.150826 88.6 deg 254.627 deg Solomon Islands 2022/11/22 02:03:07 UTC (-9.8, 159.6) 14 km 7.0 Mww
82.12118 43.7 deg 308.146 deg Komandorskiye Ostrova Region 2023/08/01 16:49:49 UTC (54.7, 168.2) 11 km 5.7 Mww
82.10885 79.4 deg 281.675 deg Mariana Islands 2024/04/02 09:54:09 UTC (15.8, 146.9) 10 km 6.2 mww
81.595215 83.1 deg 52.117 deg Morocco 2023/09/08 22:11:01 UTC (31.1, -8.4) 19 km 6.8 mww
81.0099 93.3 deg 224.998 deg South Of Kermadec Islands 2023/09/08 09:09:58 UTC (-32.7, -179.3) 90 km 6.6 mww

Losers

(104 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude Reason
92.01783 91.5 deg 344.187 deg Kyrgyzstan-Xinjiang Border Reg. 2024/01/22 18:42:33 UTC (41.3, 78.8) 10 km 5.5 mb
83.71173 64.7 deg 305.535 deg Hokkaido, Japan Region 2023/06/11 09:54:45 UTC (42.5, 141.9) 125 km 6.2 mww
82.204796 88.4 deg 231.097 deg South Of Fiji Islands 2023/04/28 03:13:43 UTC (-25.1, 178.5) 577 km 6.2 mb
81.45664 91.6 deg 344.258 deg Kyrgyzstan-Xinjiang Border Reg. 2024/01/22 18:09:04 UTC (41.3, 78.6) 13 km 7.0 Mww
79.42522 49.7 deg 308.643 deg Near East Coast Of Kamchatka 2023/04/03 03:06:55 UTC (52.8, 158.6) 100 km 6.7 Mi
78.75289 36.4 deg 132.005 deg Chiapas, Mexico 2023/10/07 05:06:55 UTC (17.1, -95.0) 108 km 5.9 mww
78.5832 87.7 deg 252.981 deg Solomon Islands 2023/05/21 15:45:13 UTC (-10.3, 161.4) 78 km 6.1 Mww
77.93034 35.7 deg 301.352 deg Andreanof Islands, Aleutian Is. 2023/10/16 11:35:31 UTC (52.4, -176.9) 187 km 6.4 Mww
77.43477 40.3 deg 128.493 deg Guatemala 2023/05/17 23:02:00 UTC (15.1, -90.9) 256 km 6.4 mww
77.13996 79.9 deg 230.3 deg Tonga Islands 2023/12/11 06:33:31 UTC (-18.7, -175.5) 238 km 6.1 Mww
76.44434 89.7 deg 241.633 deg Vanuatu Islands 2023/10/29 04:32:08 UTC (-19.4, 168.8) 80 km 6.0 mww
75.476204 70.6 deg 303.995 deg Near West Coast Of Honshu, Japan 2023/05/05 05:42:04 UTC (37.5, 137.3) 8.7 km 6.2 mww
75.34209 95.5 deg 141.362 deg Southern Argentina 2023/07/17 03:05:10 UTC (-38.2, -70.4) 171 km 6.6 mww
75.1836 76.3 deg 290.275 deg Volcano Islands, Japan Region 2023/05/30 00:52:06 UTC (24.1, 143.0) 10 km 5.8 Mww
73.88646 58.4 deg 307.864 deg Northwest Of Kuril Islands 2023/06/17 11:36:00 UTC (48.0, 147.4) 418 km 5.7 mww
73.8621 45.2 deg 310.927 deg Komandorskiye Ostrova Region 2023/10/26 16:05:11 UTC (56.1, 164.7) 2.4 km 5.9 Mww
73.80489 61.2 deg 129.459 deg Near Coast Of Ecuador 2023/03/18 17:12:53 UTC (-2.9, -79.8) 66 km 6.7 Mww
72.24551 62.0 deg 307.819 deg Hokkaido, Japan Region 2023/06/23 17:39:13 UTC (45.8, 143.1) 318 km 5.6 Mww
72.032486 56.0 deg 95.606 deg North Atlantic Ocean 2023/07/10 20:28:25 UTC (20.0, -61.1) 10 km 6.6 mww
71.905334 38.7 deg 132.391 deg Near Coast Of Chiapas, Mexico 2023/07/14 09:29:01 UTC (15.0, -93.9) 35 km 6.3 mww
70.9903 86.6 deg 246.428 deg Vanuatu Islands 2023/08/16 12:47:40 UTC (-13.9, 167.2) 193 km 6.5 Mww
70.9304 52.6 deg 126.675 deg South Of Panama 2023/08/03 01:25:21 UTC (5.6, -82.6) 8.0 km 5.9 mww
70.83502 38.6 deg 301.055 deg Rat Islands, Aleutian Islands 2022/12/14 18:40:26 UTC (51.6, 178.6) 73 km 6.3 Mww
70.76764 87.9 deg 256.197 deg Solomon Islands 2023/03/27 22:19:15 UTC (-8.2, 158.9) 86 km 6.1 mww
70.68801 84.4 deg 231.507 deg Fiji Islands Region 2023/08/02 01:32:35 UTC (-21.6, -179.3) 632 km 5.8 mww
70.64158 37.9 deg 130.997 deg Chiapas, Mexico 2023/08/09 09:33:26 UTC (16.2, -93.6) 111 km 5.8 mww
70.399956 51.9 deg 307.039 deg Kuril Islands 2023/09/01 20:49:54 UTC (50.7, 156.3) 141 km 6.1 Mww
70.19549 66.3 deg 303.636 deg Near East Coast Of Honshu, Japan 2024/04/01 19:24:36 UTC (40.1, 141.7) 73 km 5.9 mww
69.6386 78.4 deg 284.487 deg Mariana Islands 2024/01/20 15:48:41 UTC (18.5, 145.6) 195 km 6.1 mww
69.2661 84.2 deg 229.185 deg South Of Fiji Islands 2024/01/31 10:49:36 UTC (-22.8, -177.1) 185 km 5.8 mww
68.3694 38.6 deg 301.848 deg Rat Islands, Aleutian Islands 2024/03/30 16:28:57 UTC (52.1, 178.4) 115 km 5.8 mww
68.336685 93.5 deg 301.986 deg Philippine Islands Region 2023/09/12 11:03:18 UTC (19.3, 121.2) 41 km 6.3 Mww
68.09432 84.9 deg 231.311 deg South Of Fiji Islands 2023/05/01 10:55:55 UTC (-22.1, -179.4) 570 km 5.6 Mww
67.99737 42.2 deg 130.532 deg Off Coast Of Central America 2023/07/30 01:10:29 UTC (12.7, -90.9) 10 km 5.7 Mww
67.97051 97.5 deg 349.134 deg Hindu Kush Region, Afghanistan 2023/03/21 16:47:23 UTC (36.5, 71.0) 188 km 6.5 Mww
67.0269 84.1 deg 227.809 deg Tonga Islands Region 2023/06/16 08:11:34 UTC (-23.6, -175.9) 22 km 6.0 mww
66.69172 89.2 deg 233.961 deg South Of Fiji Islands 2023/09/05 00:55:24 UTC (-23.9, 175.5) 12 km 5.7 Mww
66.58197 90.4 deg 240.513 deg Vanuatu Islands 2023/12/07 12:56:30 UTC (-20.7, 169.2) 48 km 7.1 Mww
66.56661 81.0 deg 233.734 deg Fiji Islands Region 2023/10/31 11:10:56 UTC (-17.5, -179.0) 548 km 6.4 mww
65.73088 79.0 deg 230.574 deg Tonga Islands 2023/11/19 23:15:47 UTC (-17.7, -175.2) 240 km 5.5 Mww
65.65854 75.9 deg 229.645 deg Samoa Islands Region 2023/05/02 14:24:59 UTC (-15.7, -172.5) 35 km 5.5 mww
65.33739 87.5 deg 231.441 deg South Of Fiji Islands 2023/07/24 02:49:58 UTC (-24.2, 178.8) 553 km 6.0 mww
65.28428 96.1 deg 270.059 deg New Guinea, Papua New Guinea 2023/04/02 18:04:12 UTC (-4.3, 143.2) 74 km 7.3 Mi
65.213486 87.1 deg 137.002 deg Near Coast Of Central Chile 2023/10/31 12:33:44 UTC (-28.7, -71.6) 41 km 6.7 mww
65.187775 38.0 deg 237.044 deg Hawaii 2024/02/09 20:06:30 UTC (19.0, -155.5) 10 km 6.3 Mi
65.12015 96.0 deg 262.522 deg Eastern New Guinea Reg., P.N.G. 2023/11/21 07:10:15 UTC (-9.6, 148.6) 10 km 5.5 mww
64.83293 90.5 deg 226.543 deg Kermadec Islands, New Zealand 2023/03/04 06:41:22 UTC (-29.5, -178.8) 206 km 6.9 mww
64.75538 53.3 deg 118.74 deg Panama-Colombia Border Region 2023/05/25 03:05:34 UTC (8.9, -77.1) 10 km 6.6 Mi
63.799286 95.0 deg 267.092 deg Eastern New Guinea Reg., P.N.G. 2023/10/07 08:34:26 UTC (-5.6, 146.1) 53 km 6.7 mww
63.45483 41.3 deg 128.953 deg Guatemala 2024/01/27 05:52:49 UTC (14.1, -90.5) 108 km 6.1 Mww
63.264793 75.8 deg 230.382 deg Tonga Islands 2022/12/05 16:19:19 UTC (-15.2, -173.1) 10 km 5.6 Mww
63.202553 92.0 deg 341.193 deg Southern Xinjiang, China 2023/01/29 23:49:38 UTC (40.0, 82.4) 28 km 5.7 Mww
62.42544 78.9 deg 229.693 deg Tonga Islands 2024/04/05 20:32:13 UTC (-18.1, -174.3) 119 km 5.6 Mww
62.375423 84.1 deg 281.534 deg South Of Mariana Islands 2024/02/04 09:50:42 UTC (12.4, 143.5) 10 km 5.7 Mi
62.11927 77.1 deg 285.716 deg Mariana Islands 2023/12/16 09:50:53 UTC (20.3, 145.7) 10 km 5.7 mww
61.912666 48.5 deg 309.896 deg Near East Coast Of Kamchatka 2023/04/18 02:40:53 UTC (54.2, 159.8) 112 km 5.6 Mww
61.871956 51.2 deg 124.958 deg South Of Panama 2023/04/04 22:18:12 UTC (7.6, -82.3) 10 km 6.3 mww
61.72209 62.7 deg 304.089 deg Hokkaido, Japan Region 2023/02/25 13:27:42 UTC (42.8, 145.1) 43 km 6.1 Mww
61.396343 74.2 deg 296.63 deg Southeast Of Honshu, Japan 2023/10/05 01:59:58 UTC (30.0, 139.9) 10 km 6.1 mww
60.472244 79.3 deg 230.537 deg Tonga Islands 2023/12/12 04:00:15 UTC (-18.0, -175.3) 261 km 5.8 Mww
60.239548 70.3 deg 125.134 deg Western Brazil 2024/01/28 09:38:56 UTC (-8.2, -71.4) 609 km 6.5 Mww
60.14595 69.4 deg 309.347 deg Primor'ye, Russia 2023/06/27 23:38:21 UTC (42.1, 134.1) 443 km 5.8 Mww
59.99565 57.9 deg 99.605 deg Leeward Islands 2023/01/20 11:23:40 UTC (16.2, -62.0) 165 km 5.8 Mi
59.627937 79.6 deg 230.202 deg Tonga Islands 2023/05/27 00:11:00 UTC (-18.5, -175.2) 215 km 6.0 mww
59.62269 90.2 deg 225.371 deg Kermadec Islands, New Zealand 2023/10/23 10:10:15 UTC (-29.9, -177.5) 23 km 6.0 Mww
59.33429 83.2 deg 231.262 deg Fiji Islands Region 2023/03/06 20:59:59 UTC (-20.8, -178.3) 526 km 5.8 mww
59.122387 88.4 deg 231.117 deg South Of Fiji Islands 2023/04/28 03:51:06 UTC (-25.1, 178.5) 572 km 5.5 mb
58.487 77.9 deg 288.967 deg Volcano Islands, Japan Region 2024/02/12 11:19:36 UTC (22.0, 142.7) 250 km 6.1 mww
58.236393 83.0 deg 231.457 deg Fiji Islands Region 2023/02/27 06:40:59 UTC (-20.5, -178.4) 548 km 5.6 Mww
58.1639 89.9 deg 129.66 deg Santiago Del Estero Prov., Arg. 2023/01/20 22:09:39 UTC (-26.7, -63.0) 611 km 6.8 mww
58.084934 85.4 deg 130.269 deg Jujuy Province, Argentina 2023/03/22 16:00:31 UTC (-23.5, -66.5) 210 km 6.5 mww
57.65572 51.7 deg 119.239 deg Panama 2023/08/29 04:59:19 UTC (9.9, -78.4) 10 km 5.5 mww
57.316486 49.9 deg 307.514 deg Near East Coast Of Kamchatka 2023/12/23 17:48:03 UTC (52.0, 159.0) 29 km 5.8 Mww
57.201477 78.1 deg 229.558 deg Tonga Islands 2023/10/27 03:02:24 UTC (-17.6, -173.8) 35 km 5.6 mb
57.14754 97.0 deg 269.609 deg New Guinea, Papua New Guinea 2023/09/05 15:03:17 UTC (-5.3, 142.9) 52 km 5.8 mww
57.11046 88.4 deg 137.81 deg Near Coast Of Central Chile 2023/09/06 23:48:05 UTC (-30.3, -71.5) 41 km 6.2 mww
56.767906 70.7 deg 304.007 deg Near West Coast Of Honshu, Japan 2024/01/01 07:06:05 UTC (37.5, 137.2) 10 km 5.5 mww
56.04925 65.3 deg 304.648 deg Hokkaido, Japan Region 2023/05/05 17:47:15 UTC (41.5, 142.0) 53 km 5.9 Mww
55.678535 94.3 deg 299.94 deg Luzon, Philippines 2023/05/04 00:49:03 UTC (17.4, 122.4) 16 km 5.4 Mww
55.4758 89.2 deg 243.317 deg Vanuatu Islands 2024/01/23 14:33:47 UTC (-17.9, 167.8) 10 km 6.5 Mi
55.405205 72.2 deg 299.571 deg Southeast Of Honshu, Japan 2023/05/14 08:11:57 UTC (33.4, 139.4) 14 km 5.5 mww
55.10042 97.2 deg 295.576 deg Luzon, Philippines 2023/02/15 18:10:08 UTC (12.3, 123.9) 8.0 km 6.1 mww
54.373802 70.7 deg 303.964 deg Near West Coast Of Honshu, Japan 2023/05/05 12:58:04 UTC (37.5, 137.3) 14 km 5.8 mb
54.234226 95.5 deg 266.497 deg Eastern New Guinea Reg., P.N.G. 2023/02/04 12:22:36 UTC (-6.4, 146.2) 102 km 5.7 mww
53.680733 98.3 deg 291.038 deg Mindanao, Philippines 2023/12/03 10:39:23 UTC (8.6, 126.6) 45 km 5.7 mb
52.710457 79.4 deg 283.567 deg Mariana Islands 2023/07/25 10:35:18 UTC (17.1, 145.5) 373 km 5.6 mww
52.154373 69.5 deg 124.7 deg Western Brazil 2024/01/20 21:31:07 UTC (-7.3, -71.5) 629 km 6.5 Mww
51.9042 96.5 deg 273.037 deg Near North Coast Of Irian Jaya 2023/01/01 18:24:29 UTC (-2.5, 140.8) 15 km 5.5 mww
50.85549 87.5 deg 245.226 deg Vanuatu Islands 2023/02/14 02:03:17 UTC (-15.4, 167.5) 118 km 5.6 mb
50.600834 76.2 deg 129.887 deg Southern Peru 2023/06/03 01:49:15 UTC (-15.7, -71.7) 10 km 5.5 Mww
50.01825 92.1 deg 7.871 deg Eastern Caucasus 2022/12/08 06:42:09 UTC (42.2, 46.9) 10 km 5.5 mww
49.978542 76.5 deg 229.598 deg Samoa Islands Region 2023/07/27 00:28:58 UTC (-16.3, -172.9) 10 km 5.5 Mww
49.67818 85.3 deg 248.82 deg Santa Cruz Islands 2022/12/05 05:35:08 UTC (-11.3, 166.2) 93 km 5.7 mww
49.4864 94.3 deg 266.718 deg Eastern New Guinea Reg., P.N.G. 2023/03/14 00:49:08 UTC (-5.4, 146.9) 213 km 6.3 mww
49.29225 91.0 deg 130.663 deg Santiago Del Estero Prov., Arg. 2023/08/05 07:20:07 UTC (-28.2, -63.2) 598 km 6.2 Mww
49.035797 86.6 deg 246.324 deg Vanuatu Islands 2023/09/21 21:11:49 UTC (-14.0, 167.2) 188 km 6.1 mww
47.45362 74.0 deg 296.451 deg Southeast Of Honshu, Japan 2023/10/04 02:19:06 UTC (30.0, 140.2) 8.0 km 5.6 mww
45.62682 91.7 deg 344.188 deg Kyrgyzstan-Xinjiang Border Reg. 2024/01/29 22:27:41 UTC (41.2, 78.7) 10 km 5.7 mww
45.566265 88.5 deg 231.156 deg South Of Fiji Islands 2023/04/28 03:34:10 UTC (-25.1, 178.4) 570 km 5.5 Mww
42.62922 85.0 deg 131.575 deg Chile-Argentina Border Region 2023/07/06 00:31:55 UTC (-23.9, -67.9) 132 km 5.8 mww
42.06263 88.4 deg 284.005 deg W. Caroline Islands, Micronesia 2024/02/14 11:40:21 UTC (11.0, 138.6) 10 km 6.0 mww
41.67518 97.6 deg 349.344 deg Hindu Kush Region, Afghanistan 2023/08/05 16:01:49 UTC (36.5, 70.7) 207 km 5.8 Mww
39.711422 52.0 deg 158.695 deg Central East Pacific Rise 2023/09/20 14:45:59 UTC (-4.5, -105.8) 10 km 6.0 Mww
38.32653 36.8 deg 300.044 deg Andreanof Islands, Aleutian Is. 2023/06/13 16:16:02 UTC (51.4, -178.4) 16 km 5.3 Mww