Station AV SPWE - Spurr West, Mount Spurr, Alaska
Network: AV - Alaska Volcano Observatory
Nearby stations (2 deg radius)
| Station | Name | (Lat, Lon) | Start / End | Elevation |
| SPWE | Spurr West, Mount Spurr, Alaska | (61.27, -152.56) | 2005-11-01 / 2599-12-31 | 1317 m |
| Crust2 Type: | L8,thin continental arc, Cordilleras, 0.5 km seds. |
| Thickness Estimate: | 39 km |
| Thickness StdDev: | 4.1 km |
| Vp/Vs Estimate: | 1.67 |
| Vp/Vs StdDev: | 0.08 |
| Vs Estimate: | 3.932 km/s |
| Poisson's Ratio: | 0.22 |
| Peak Value: | 0.02 |
| Assumed Vp: | 6.566 km/s |
| Ps Weight: | 0.33333334 |
| PpPs Weight: | 0.33333334 |
| PsPs Weight: | 0.33333328 |
| Residual Complexity: | 0.764 |
| Nearby stations H: | +- |
| (2.0 deg) Vp/Vs: | +- |
5 with match > 90% ( 4.5454545 %) and 19 with match > 80% ( 17.272728 %) out of 110.
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 | 39 km | 1.67 | 6.566 km/s | 3.932 km/s | 0.22 | |
| 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 | 39 km | 1.67 | 6.566 km/s | 3.932 km/s | 0.22 | amp=0.019108202 |
| Local Maxima 1 | 46 km | 1.74 | 6.566 km/s | 3.779 km/s | 0.25 | amp=0.018046718 |
| Local Maxima 2 | 35 km | 1.86 | 6.566 km/s | 3.53 km/s | 0.30 | amp=0.008468208 |
| Local Maxima 3 | 46 km | 1.68 | 6.566 km/s | 3.908 km/s | 0.23 | amp=0.0081272265 |
| Local Maxima 4 | 42 km | 1.61 | 6.566 km/s | 4.091 km/s | 0.18 | amp=0.007905605 |
| Predicted Arrivals for vertical incidence (zero ray parameter) | |
| Ps | 4.00 SECOND |
| PpPs | 15.96 SECOND |
| PsPs/PpSs | 19.97 SECOND |
Events Processed for this Station
Download zip of receiver functions as SAC
Plot maxima for each earthquake.
Events Used in the Stack
(19 events)| Radial Match | Distance | Baz | FERegion | Time | Lat/Lon | Depth | Magnitude |
| 97.82557 | 57.8 deg | 115.715 deg | Near Coast Of Guerrero, Mexico | 2021/09/08 01:47:46 UTC | (17.0, -99.8) | 13 km | 7.0 mww |
| 93.317345 | 66.8 deg | 277.812 deg | Taiwan Region | 2022/05/09 06:23:03 UTC | (24.0, 122.5) | 27 km | 6.3 mww |
| 91.938484 | 88.6 deg | 212.334 deg | Southeast Of Loyalty Islands | 2022/05/26 15:38:03 UTC | (-22.9, 172.0) | 10 km | 6.9 Mi |
| 91.31119 | 65.3 deg | 274.142 deg | Southeast Of Ryukyu Islands | 2021/11/10 15:45:13 UTC | (23.5, 126.5) | 10 km | 6.6 Mww |
| 91.24826 | 67.8 deg | 278.263 deg | Taiwan | 2022/03/22 17:41:38 UTC | (23.4, 121.6) | 24 km | 6.7 mww |
| 89.99469 | 91.8 deg | 257.507 deg | Banda Sea | 2021/12/29 18:25:51 UTC | (-7.6, 127.6) | 167 km | 7.3 mww |
| 89.94803 | 84.9 deg | 200.054 deg | Tonga Islands Region | 2021/09/05 17:51:42 UTC | (-22.1, -174.2) | 10 km | 5.9 mww |
| 89.92579 | 83.8 deg | 218.939 deg | Vanuatu Islands | 2022/04/09 20:52:37 UTC | (-16.3, 166.8) | 10 km | 6.2 mww |
| 89.39819 | 46.4 deg | 270.801 deg | Near East Coast Of Honshu, Japan | 2022/03/16 14:36:33 UTC | (37.7, 141.6) | 63 km | 7.3 mww |
| 88.522415 | 57.9 deg | 113.239 deg | Oaxaca, Mexico | 2018/07/19 13:31:53 UTC | (17.8, -97.8) | 55 km | 5.7 Mww |
| 87.28507 | 67.4 deg | 106.648 deg | Near Coast Of Nicaragua | 2021/09/22 09:57:07 UTC | (12.1, -87.8) | 10 km | 6.7 Mi |
| 86.02122 | 68.8 deg | 105.897 deg | Near Coast Of Nicaragua | 2021/11/09 06:25:17 UTC | (11.2, -86.5) | 35 km | 6.2 mww |
| 84.50517 | 88.9 deg | 213.91 deg | Southeast Of Loyalty Islands | 2022/03/30 20:56:58 UTC | (-22.7, 170.3) | 10 km | 6.7 mww |
| 84.258064 | 82.6 deg | 202.306 deg | Fiji Islands Region | 2021/09/07 09:49:57 UTC | (-19.4, -176.1) | 10 km | 5.8 mww |
| 83.342026 | 68.3 deg | 106.208 deg | Near Coast Of Nicaragua | 2022/04/21 07:42:51 UTC | (11.5, -87.0) | 10 km | 6.8 Mi |
| 83.15506 | 81.3 deg | 262.558 deg | North Of Halmahera, Indonesia | 2021/12/04 23:47:57 UTC | (4.1, 128.1) | 174 km | 6.0 mww |
| 81.60816 | 76.8 deg | 275.156 deg | Luzon, Philippines | 2022/03/13 21:05:52 UTC | (14.1, 119.4) | 33 km | 6.7 Mi |
| 80.87156 | 60.3 deg | 253.615 deg | Mariana Islands | 2018/07/20 23:56:00 UTC | (18.5, 146.0) | 126 km | 5.6 Mww |
| 80.67887 | 43.8 deg | 7.226 deg | Greenland Sea | 2018/08/07 13:57:09 UTC | (74.6, 8.4) | 10 km | 5.8 Mww |
Losers
(91 events)| Radial Match | Distance | Baz | FERegion | Time | Lat/Lon | Depth | Magnitude | Reason |
| 95.08778 | 87.2 deg | 104.549 deg | Northern Peru | 2021/11/28 10:52:14 UTC | (-4.5, -76.7) | 99 km | 7.4 Mi | |
| 86.80611 | 88.6 deg | 213.996 deg | Southeast Of Loyalty Islands | 2022/03/31 06:12:25 UTC | (-22.4, 170.3) | 10 km | 5.7 mb | |
| 82.48016 | 87.0 deg | 104.74 deg | Northern Peru | 2022/02/03 15:58:56 UTC | (-4.5, -76.9) | 100 km | 6.5 mww | |
| 78.89142 | 67.0 deg | 251.677 deg | South Of Mariana Islands | 2022/02/13 20:29:45 UTC | (11.8, 144.3) | 10 km | 5.7 Mww | |
| 78.08484 | 42.5 deg | 184.166 deg | Hawaii | 2021/10/10 21:48:36 UTC | (18.8, -155.5) | 35 km | 6.2 Ml | |
| 78.07239 | 64.0 deg | 108.865 deg | Guatemala | 2022/02/16 07:12:25 UTC | (14.2, -91.3) | 84 km | 6.2 mww | |
| 77.70678 | 78.1 deg | 237.057 deg | New Britain Region, P.N.G. | 2022/04/13 03:00:56 UTC | (-4.5, 152.0) | 147 km | 5.9 mww | |
| 76.70122 | 34.1 deg | 4.55 deg | North Of Svalbard | 2022/05/21 07:01:23 UTC | (84.3, 0.8) | 10 km | 5.8 mww | |
| 75.4354 | 62.6 deg | 276.062 deg | Ryukyu Islands, Japan | 2022/05/07 11:53:56 UTC | (26.8, 126.5) | 10 km | 5.5 mww | |
| 74.31055 | 79.7 deg | 229.253 deg | Solomon Islands | 2021/10/15 02:44:57 UTC | (-8.9, 158.5) | 23 km | 6.4 mww | |
| 74.29298 | 83.8 deg | 1.796 deg | Crete, Greece | 2021/09/27 06:17:22 UTC | (35.3, 25.3) | 8.7 km | 6.0 mww | |
| 74.09185 | 34.5 deg | 270.154 deg | Kuril Islands | 2021/09/20 20:25:25 UTC | (46.4, 152.4) | 25 km | 6.0 mww | |
| 73.131996 | 88.9 deg | 213.895 deg | Southeast Of Loyalty Islands | 2022/03/31 05:44:01 UTC | (-22.7, 170.3) | 10 km | 7.2 Mi | |
| 73.08832 | 35.0 deg | 278.47 deg | Sea Of Okhotsk | 2021/09/03 10:14:26 UTC | (49.5, 147.0) | 582 km | 5.8 Mww | |
| 72.48462 | 46.3 deg | 270.729 deg | Near East Coast Of Honshu, Japan | 2022/03/16 14:34:26 UTC | (37.7, 141.7) | 48 km | 6.0 mwb | |
| 70.11667 | 84.2 deg | 262.904 deg | Northern Molucca Sea | 2022/05/19 15:29:12 UTC | (1.7, 126.4) | 3.8 km | 5.1 Mww | |
| 70.10117 | 83.8 deg | 262.3 deg | Halmahera, Indonesia | 2022/05/08 21:51:41 UTC | (1.8, 127.2) | 56 km | 5.5 mww | |
| 69.85845 | 48.4 deg | 276.951 deg | Sea Of Japan | 2021/09/29 08:37:05 UTC | (38.9, 135.5) | 368 km | 6.1 Mww | |
| 69.83912 | 85.0 deg | 341.167 deg | Western Iran | 2021/10/04 02:39:27 UTC | (32.3, 49.8) | 10 km | 5.6 mww | |
| 69.37238 | 93.3 deg | 201.67 deg | Kermadec Islands, New Zealand | 2022/03/02 12:52:07 UTC | (-30.1, -177.7) | 24 km | 6.6 mww | |
| 68.28341 | 88.3 deg | 334.857 deg | Southern Iran | 2021/11/14 12:07:03 UTC | (27.7, 56.1) | 7.0 km | 6.0 Mwb | |
| 68.209435 | 82.4 deg | 202.722 deg | Fiji Islands Region | 2021/09/09 04:59:43 UTC | (-19.1, -176.4) | 10 km | 5.8 Mww | |
| 68.17891 | 88.1 deg | 200.507 deg | South Of Tonga Islands | 2022/04/14 07:03:35 UTC | (-25.2, -175.3) | 10 km | 5.5 Mww | |
| 68.07197 | 78.2 deg | 235.069 deg | New Ireland Region, P.N.G. | 2021/11/18 14:08:05 UTC | (-5.3, 153.7) | 35 km | 6.2 mww | |
| 67.96885 | 88.3 deg | 334.851 deg | Southern Iran | 2021/11/14 12:08:38 UTC | (27.7, 56.1) | 10 km | 6.3 mb | |
| 67.93987 | 84.2 deg | 1.921 deg | Crete, Greece | 2021/12/29 05:08:10 UTC | (34.9, 25.1) | 71 km | 5.7 mww | |
| 67.27222 | 64.6 deg | 109.077 deg | Near Coast Of Guatemala | 2018/08/09 19:21:53 UTC | (13.6, -91.2) | 29 km | 5.6 Mww | |
| 67.134605 | 84.2 deg | 199.936 deg | Tonga Islands | 2022/04/19 04:33:41 UTC | (-21.5, -173.9) | 10 km | 6.0 mww | |
| 66.88809 | 66.7 deg | 278.691 deg | Taiwan | 2021/10/24 05:11:34 UTC | (24.6, 121.8) | 65 km | 6.2 mww | |
| 66.3422 | 75.1 deg | 130.37 deg | Central East Pacific Rise | 2022/04/29 08:33:28 UTC | (-4.5, -104.9) | 10 km | 5.6 mww | |
| 66.2134 | 79.7 deg | 264.631 deg | Philippine Islands Region | 2022/05/05 08:21:17 UTC | (6.5, 127.1) | 26 km | 5.9 mww | |
| 65.93834 | 59.0 deg | 275.201 deg | Ryukyu Islands, Japan | 2021/12/09 02:05:07 UTC | (29.4, 129.4) | 10 km | 5.9 Mww | |
| 65.66221 | 67.7 deg | 278.274 deg | Taiwan | 2022/03/22 19:35:02 UTC | (23.5, 121.6) | 10 km | 5.7 mb | |
| 65.31062 | 90.1 deg | 200.66 deg | Kermadec Islands Region | 2022/03/01 06:22:54 UTC | (-27.2, -175.9) | 10 km | 5.8 mww | |
| 64.9309 | 92.5 deg | 257.509 deg | Timor Region | 2022/05/27 02:36:05 UTC | (-8.3, 127.2) | 51 km | 6.1 Mww | |
| 64.50196 | 45.0 deg | 268.779 deg | Off East Coast Of Honshu, Japan | 2018/08/07 15:12:57 UTC | (37.9, 144.1) | 12 km | 5.6 Mww | |
| 64.202354 | 84.2 deg | 199.964 deg | Tonga Islands | 2021/12/27 11:34:12 UTC | (-21.4, -173.9) | 10 km | 5.5 Mww | |
| 64.03554 | 83.4 deg | 235.945 deg | Eastern New Guinea Reg., P.N.G. | 2018/07/30 07:46:43 UTC | (-9.8, 150.8) | 10 km | 5.4 Mww | |
| 63.443813 | 68.8 deg | 106.09 deg | Near Coast Of Nicaragua | 2021/11/09 02:53:49 UTC | (11.2, -86.7) | 17 km | 5.9 mww | |
| 63.324192 | 95.8 deg | 103.604 deg | Central Peru | 2021/10/10 00:20:41 UTC | (-11.7, -71.7) | 13 km | 5.7 mww | |
| 63.272774 | 79.1 deg | 95.891 deg | Northern Colombia | 2018/08/07 15:53:59 UTC | (6.8, -73.0) | 148 km | 5.6 mb | |
| 63.20661 | 95.3 deg | 264.354 deg | Flores Sea | 2018/08/17 15:35:02 UTC | (-7.4, 119.8) | 539 km | 6.5 Mww | |
| 63.13921 | 84.9 deg | 262.711 deg | Northern Molucca Sea | 2022/02/13 08:21:46 UTC | (0.9, 126.3) | 31 km | 5.7 mww | |
| 62.95048 | 64.3 deg | 275.88 deg | Southwestern Ryukyu Isl., Japan | 2021/12/26 08:26:46 UTC | (25.2, 125.6) | 10 km | 5.9 mww | |
| 62.744354 | 75.7 deg | 6.993 deg | Northwestern Balkan Region | 2022/04/22 21:07:48 UTC | (43.1, 18.2) | 10 km | 5.7 mww | |
| 62.20639 | 76.3 deg | 273.999 deg | Mindoro, Philippines | 2022/05/21 21:50:48 UTC | (14.0, 120.7) | 136 km | 6.1 mww | |
| 61.907913 | 81.1 deg | 104.587 deg | Near Coast Of Ecuador | 2022/03/27 04:28:13 UTC | (0.9, -79.6) | 27 km | 5.8 mww | |
| 61.716583 | 82.9 deg | 218.477 deg | Vanuatu Islands | 2021/11/20 10:57:53 UTC | (-15.6, 167.6) | 129 km | 5.5 mww | |
| 61.673317 | 45.1 deg | 18.216 deg | Jan Mayen Island Region | 2022/02/14 20:28:21 UTC | (70.7, -14.4) | 10 km | 5.7 Mww | |
| 61.63244 | 48.8 deg | 270.357 deg | Near East Coast Of Honshu, Japan | 2021/10/07 13:41:24 UTC | (35.6, 140.1) | 62 km | 5.9 mww | |
| 61.583496 | 79.3 deg | 265.028 deg | Mindanao, Philippines | 2022/04/20 21:57:46 UTC | (7.0, 126.9) | 51 km | 6.0 mww | |
| 61.32416 | 62.5 deg | 276.154 deg | Ryukyu Islands, Japan | 2022/04/13 01:22:33 UTC | (26.9, 126.4) | 10 km | 5.7 Mww | |
| 61.12662 | 84.5 deg | 359.215 deg | Eastern Mediterranean Sea | 2021/10/19 05:32:32 UTC | (34.6, 28.4) | 42 km | 5.9 mww | |
| 60.986805 | 33.3 deg | 277.0 deg | Sea Of Okhotsk | 2021/10/09 07:19:27 UTC | (50.0, 149.8) | 448 km | 5.6 Mww | |
| 60.457565 | 79.6 deg | 264.659 deg | Philippine Islands Region | 2022/05/04 21:41:08 UTC | (6.6, 127.1) | 35 km | 5.6 Mww | |
| 60.335796 | 85.8 deg | 253.234 deg | Irian Jaya Region, Indonesia | 2021/11/10 17:46:40 UTC | (-4.3, 134.2) | 10 km | 6.0 mww | |
| 59.501408 | 79.1 deg | 265.146 deg | Mindanao, Philippines | 2022/04/19 01:23:06 UTC | (7.2, 127.0) | 19 km | 6.1 mww | |
| 59.355545 | 44.2 deg | 272.292 deg | Near East Coast Of Honshu, Japan | 2021/10/05 17:46:02 UTC | (40.1, 142.3) | 45 km | 5.7 Mww | |
| 59.346985 | 53.1 deg | 263.527 deg | Southeast Of Honshu, Japan | 2021/11/26 07:14:04 UTC | (29.0, 142.4) | 10 km | 5.7 mww | |
| 59.057068 | 67.7 deg | 253.544 deg | South Of Mariana Islands | 2022/05/15 11:09:57 UTC | (11.9, 142.4) | 59 km | 5.6 Mi | |
| 58.396404 | 82.9 deg | 218.286 deg | Vanuatu Islands | 2022/04/17 07:46:36 UTC | (-15.7, 167.8) | 199 km | 5.8 Mww | |
| 58.355488 | 84.0 deg | 204.308 deg | Fiji Islands Region | 2022/03/07 05:34:18 UTC | (-20.4, -178.4) | 582 km | 6.1 mww | |
| 57.94543 | 70.3 deg | 294.753 deg | Sichuan, China | 2021/09/15 20:33:32 UTC | (29.2, 105.4) | 10 km | 5.4 Mww | |
| 57.768703 | 88.4 deg | 201.298 deg | South Of Fiji Islands | 2022/03/19 21:24:21 UTC | (-25.3, -176.2) | 21 km | 6.3 mww | |
| 57.619183 | 32.6 deg | 271.432 deg | Kuril Islands | 2021/10/11 23:10:00 UTC | (48.3, 153.7) | 70 km | 5.8 Mww | |
| 57.385895 | 81.9 deg | 205.67 deg | Fiji Islands Region | 2021/12/26 15:42:56 UTC | (-18.1, -179.4) | 627 km | 6.1 mww | |
| 56.943096 | 88.6 deg | 214.14 deg | Southeast Of Loyalty Islands | 2022/03/31 03:06:47 UTC | (-22.4, 170.1) | 10 km | 5.7 mww | |
| 56.84834 | 76.3 deg | 325.038 deg | Afghanistan-Tajikistan Bord Reg. | 2022/02/05 04:16:01 UTC | (36.4, 71.1) | 209 km | 5.7 mww | |
| 56.321613 | 75.9 deg | 328.854 deg | Southeastern Uzbekistan | 2022/05/12 10:27:41 UTC | (38.1, 66.9) | 10 km | 5.4 Mww | |
| 55.50681 | 76.4 deg | 274.103 deg | Mindoro, Philippines | 2021/09/26 17:12:07 UTC | (13.9, 120.5) | 98 km | 5.7 mww | |
| 55.439426 | 94.0 deg | 108.377 deg | Near Coast Of Peru | 2022/05/12 21:55:48 UTC | (-12.4, -76.9) | 56 km | 5.4 Mww | |
| 54.244495 | 47.0 deg | 270.729 deg | Near East Coast Of Honshu, Japan | 2018/07/31 08:42:20 UTC | (37.2, 141.2) | 10 km | 5.4 Mww | |
| 53.71057 | 83.1 deg | 325.449 deg | Pakistan | 2021/10/06 22:01:08 UTC | (30.2, 68.0) | 9.0 km | 5.9 Mwb | |
| 53.25136 | 82.6 deg | 218.804 deg | Vanuatu Islands | 2022/03/23 21:57:00 UTC | (-15.2, 167.4) | 116 km | 6.0 mww | |
| 52.98244 | 86.4 deg | 263.078 deg | Southern Molucca Sea | 2021/12/30 13:13:19 UTC | (-0.2, 125.2) | 60 km | 5.4 Mww | |
| 52.780212 | 85.9 deg | 210.262 deg | Vanuatu Islands Region | 2021/10/02 06:29:16 UTC | (-20.9, 174.9) | 486 km | 7.2 Mi | |
| 52.36958 | 89.0 deg | 213.63 deg | Southeast Of Loyalty Islands | 2022/04/02 04:15:04 UTC | (-22.9, 170.5) | 10 km | 5.5 Mww | |
| 51.582615 | 62.6 deg | 276.069 deg | Ryukyu Islands, Japan | 2022/02/21 20:52:32 UTC | (26.8, 126.5) | 14 km | 5.6 mb | |
| 51.354782 | 77.5 deg | 266.379 deg | Mindanao, Philippines | 2022/04/03 10:24:56 UTC | (9.2, 126.7) | 29 km | 5.5 mww | |
| 51.16453 | 86.9 deg | 214.988 deg | Vanuatu Islands | 2021/11/19 19:32:56 UTC | (-20.5, 169.8) | 136 km | 5.6 mww | |
| 50.333694 | 52.4 deg | 269.924 deg | Southeast Of Honshu, Japan | 2021/09/13 22:46:06 UTC | (32.4, 137.9) | 376 km | 5.9 Mww | |
| 49.791874 | 83.8 deg | 262.616 deg | Northern Molucca Sea | 2022/04/05 01:44:04 UTC | (1.9, 126.9) | 5.7 km | 5.9 mb | |
| 49.557648 | 83.9 deg | 0.976 deg | Crete, Greece | 2021/10/12 09:24:03 UTC | (35.2, 26.3) | 10 km | 6.4 mww | |
| 49.26482 | 50.8 deg | 123.693 deg | Revilla Gigedo Islands Region | 2021/09/05 08:42:14 UTC | (20.3, -109.2) | 10 km | 5.5 Mww | |
| 48.307842 | 80.9 deg | 219.33 deg | Vanuatu Islands | 2021/09/17 10:28:40 UTC | (-13.4, 167.4) | 10 km | 5.8 mww | |
| 48.0621 | 58.6 deg | 110.721 deg | Veracruz, Mexico | 2022/03/03 14:40:33 UTC | (18.2, -95.4) | 111 km | 5.7 Mww | |
| 47.805363 | 86.3 deg | 210.542 deg | Vanuatu Islands Region | 2021/10/09 10:58:30 UTC | (-21.2, 174.5) | 520 km | 6.9 mww | |
| 46.141876 | 97.7 deg | 266.868 deg | Sumbawa Region, Indonesia | 2018/08/05 11:46:34 UTC | (-8.3, 116.5) | 10 km | 7.0 Mww | |
| 44.748974 | 86.8 deg | 263.939 deg | Southern Molucca Sea | 2021/11/06 14:37:37 UTC | (-0.1, 124.3) | 40 km | 6.0 mww | |
| 43.678013 | 83.8 deg | 199.874 deg | Tonga Islands | 2021/09/20 18:34:48 UTC | (-21.1, -173.8) | 10 km | 5.8 Mww | |
| 42.110275 | 80.3 deg | 25.181 deg | Strait Of Gibraltar | 2022/05/20 12:35:49 UTC | (35.5, -3.5) | 10 km | 5.5 Mww |
