Station AV ANNW - Aniakchak Volcano, North West, Alaska
Network: AV - Alaska Volcano Observatory
Nearby stations (2 deg radius)
| Station | Name | (Lat, Lon) | Start / End | Elevation |
| ANNW | Aniakchak Volcano, North West, Alaska | (56.97, -158.22) | 1997-07-18 / 2499-01-01 | 816 m |
| Crust2 Type: | C3,continental shelf, 2 km seds. |
| Thickness Estimate: | 39 km |
| Thickness StdDev: | 4.5 km |
| Vp/Vs Estimate: | 1.67 |
| Vp/Vs StdDev: | 0.13 |
| Vs Estimate: | 3.673 km/s |
| Poisson's Ratio: | 0.22 |
| Peak Value: | 0.06 |
| Assumed Vp: | 6.134 km/s |
| Ps Weight: | 0.33333334 |
| PpPs Weight: | 0.33333334 |
| PsPs Weight: | 0.33333328 |
| Residual Complexity: | 0.468 |
| Nearby stations H: | +- |
| (2.0 deg) Vp/Vs: | +- |
1 with match > 90% ( 0.990099 %) and 3 with match > 80% ( 2.970297 %) out of 101.
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 | 6.134 km/s | 3.673 km/s | 0.22 | |
| Crust2.0 | 31 km | 1.80 | 6.134 km/s | 3.406 km/s | 0.28 | C3,continental shelf, 2 km seds. |
| Global Maxima | 39 km | 1.67 | 6.134 km/s | 3.673 km/s | 0.22 | amp=0.056100957 |
| Local Maxima 1 | 68 km | 1.86 | 6.134 km/s | 3.302 km/s | 0.30 | amp=0.02206205 |
| Local Maxima 2 | 34 km | 1.60 | 6.134 km/s | 3.834 km/s | 0.18 | amp=0.016504686 |
| Local Maxima 3 | 40 km | 1.60 | 6.134 km/s | 3.834 km/s | 0.18 | amp=0.014739759 |
| Local Maxima 4 | 27 km | 2.01 | 6.134 km/s | 3.048 km/s | 0.34 | amp=0.013955054 |
| Predicted Arrivals for vertical incidence (zero ray parameter) | |
| Ps | 4.23 SECOND |
| PpPs | 16.87 SECOND |
| PsPs/PpSs | 21.10 SECOND |
Events Processed for this Station
Download zip of receiver functions as SAC
Plot maxima for each earthquake.
Events Used in the Stack
(3 events)| Radial Match | Distance | Baz | FERegion | Time | Lat/Lon | Depth | Magnitude |
| 91.79562 | 73.6 deg | 196.469 deg | Tonga Islands | 2023/05/10 16:02:00 GMT | (-15.6, -174.6) | 210 km | 7.6 mww |
| 82.03399 | 49.3 deg | 111.769 deg | Gulf Of California | 2023/06/18 20:30:30 GMT | (23.2, -108.3) | 33 km | 6.6 Mi |
| 80.67995 | 78.0 deg | 321.442 deg | Hindu Kush Region, Afghanistan | 2023/03/21 16:47:23 GMT | (36.5, 71.0) | 188 km | 6.5 Mww |
Losers
(98 events)| Radial Match | Distance | Baz | FERegion | Time | Lat/Lon | Depth | Magnitude | Reason |
| 95.56618 | 84.0 deg | 208.824 deg | Southeast Of Loyalty Islands | 2023/05/20 01:51:01 GMT | (-23.1, 170.4) | 45 km | 7.4 Mi | |
| 93.23769 | 77.2 deg | 240.778 deg | New Guinea, Papua New Guinea | 2023/04/02 18:04:12 GMT | (-4.3, 143.2) | 74 km | 7.3 Mi | |
| 89.824554 | 76.8 deg | 213.62 deg | Vanuatu Islands | 2023/07/26 12:44:35 GMT | (-14.8, 167.9) | 13 km | 6.4 mww | |
| 89.262245 | 65.1 deg | 275.683 deg | Taiwan | 2024/04/02 23:58:11 GMT | (23.8, 121.6) | 35 km | 7.4 mww | |
| 88.825806 | 84.0 deg | 208.574 deg | Southeast Of Loyalty Islands | 2023/05/19 02:57:07 GMT | (-23.2, 170.7) | 10 km | 7.7 Mi | |
| 88.80413 | 88.1 deg | 195.207 deg | Kermadec Islands Region | 2023/03/16 00:55:58 GMT | (-30.2, -175.9) | 10 km | 7.1 Mi | |
| 87.83545 | 80.2 deg | 199.818 deg | Fiji Islands Region | 2023/08/02 01:32:35 GMT | (-21.6, -179.3) | 632 km | 5.8 mww | |
| 87.381355 | 93.0 deg | 262.327 deg | Bali Sea | 2023/08/28 19:55:31 GMT | (-6.8, 116.5) | 514 km | 7.1 Mww | |
| 86.26222 | 76.8 deg | 237.539 deg | Eastern New Guinea Reg., P.N.G. | 2023/10/07 08:40:13 GMT | (-5.5, 146.2) | 74 km | 6.7 Mww | |
| 85.94059 | 46.3 deg | 273.708 deg | Near West Coast Of Honshu, Japan | 2024/01/01 07:56:48 GMT | (37.3, 136.9) | 10 km | 5.6 Mww | |
| 85.87414 | 79.4 deg | 258.603 deg | Northern Molucca Sea | 2023/01/18 06:06:11 GMT | (2.7, 127.1) | 29 km | 7.0 mwc | |
| 85.164825 | 76.9 deg | 193.454 deg | Tonga Islands Region | 2022/11/11 10:48:45 GMT | (-19.3, -172.1) | 25 km | 7.3 Mww | |
| 85.088585 | 63.6 deg | 103.487 deg | Near Coast Of Chiapas, Mexico | 2023/07/14 09:29:01 GMT | (15.0, -93.9) | 35 km | 6.3 mww | |
| 84.13148 | 56.0 deg | 251.751 deg | Mariana Islands | 2024/04/05 11:03:16 GMT | (19.1, 145.4) | 222 km | 6.8 mww | |
| 83.57293 | 74.9 deg | 262.332 deg | Mindanao, Philippines | 2023/12/02 14:37:03 GMT | (8.5, 126.4) | 33 km | 7.6 mww | |
| 83.09155 | 75.0 deg | 223.253 deg | Solomon Islands | 2022/11/22 02:03:07 GMT | (-9.8, 159.6) | 14 km | 7.0 Mww | |
| 82.74956 | 87.8 deg | 197.854 deg | Kermadec Islands, New Zealand | 2023/03/04 06:41:22 GMT | (-29.5, -178.8) | 206 km | 6.9 mww | |
| 80.23046 | 86.1 deg | 101.263 deg | Near Coast Of Ecuador | 2023/03/18 17:12:53 GMT | (-2.9, -79.8) | 66 km | 6.7 Mww | |
| 79.30404 | 76.0 deg | 97.723 deg | South Of Panama | 2023/04/04 22:18:12 GMT | (7.6, -82.3) | 10 km | 6.3 mww | |
| 78.7001 | 76.9 deg | 237.528 deg | Eastern New Guinea Reg., P.N.G. | 2023/10/07 08:34:26 GMT | (-5.6, 146.1) | 53 km | 6.7 mww | |
| 76.05328 | 78.6 deg | 199.277 deg | Fiji Islands Region | 2022/11/12 07:09:14 GMT | (-20.1, -178.4) | 587 km | 7.0 mww | |
| 76.03824 | 77.1 deg | 241.043 deg | New Guinea, Papua New Guinea | 2024/03/23 20:22:07 GMT | (-4.1, 143.0) | 64 km | 7.0 Mi | |
| 75.76996 | 65.1 deg | 100.738 deg | Guatemala | 2023/05/17 23:02:00 GMT | (15.1, -90.9) | 256 km | 6.4 mww | |
| 74.91378 | 86.1 deg | 250.853 deg | Tanimbar Islands Reg., Indonesia | 2023/01/09 17:47:34 GMT | (-7.1, 130.0) | 95 km | 7.6 mww | |
| 74.85691 | 72.7 deg | 194.962 deg | Tonga Islands | 2023/08/08 18:38:56 GMT | (-15.0, -173.0) | 120 km | 6.2 Mi | |
| 74.77788 | 77.3 deg | 214.69 deg | Vanuatu Islands | 2023/01/11 08:39:53 GMT | (-14.9, 166.7) | 10 km | 5.8 Mww | |
| 74.11776 | 65.1 deg | 275.71 deg | Taiwan | 2024/04/22 18:32:48 GMT | (23.9, 121.6) | 10 km | 6.1 Mww | |
| 73.51716 | 77.3 deg | 196.098 deg | Tonga Islands | 2024/05/26 20:47:09 GMT | (-19.4, -174.9) | 112 km | 6.6 mww | |
| 72.12703 | 76.4 deg | 236.965 deg | Eastern New Guinea Reg., P.N.G. | 2023/03/14 00:49:08 GMT | (-5.4, 146.9) | 213 km | 6.3 mww | |
| 71.94147 | 91.1 deg | 197.66 deg | South Of Kermadec Islands | 2023/09/08 09:09:58 GMT | (-32.7, -179.3) | 90 km | 6.6 mww | |
| 70.956314 | 77.5 deg | 259.314 deg | Talaud Islands, Indonesia | 2023/09/26 01:39:44 GMT | (4.7, 127.5) | 100 km | 5.9 mww | |
| 70.80543 | 79.1 deg | 199.223 deg | Fiji Islands Region | 2024/03/02 00:26:40 GMT | (-20.6, -178.4) | 537 km | 5.8 mww | |
| 70.784645 | 77.8 deg | 92.55 deg | Panama-Colombia Border Region | 2023/05/25 03:05:34 GMT | (8.9, -77.1) | 10 km | 6.6 Mi | |
| 70.68662 | 51.3 deg | 264.462 deg | Bonin Islands, Japan Region | 2023/01/16 04:49:52 GMT | (29.0, 139.4) | 405 km | 6.3 mww | |
| 70.029335 | 85.6 deg | 348.083 deg | Jordan - Syria Region | 2023/02/06 01:36:27 GMT | (37.0, 36.7) | 10 km | 5.6 mb | |
| 69.49476 | 84.1 deg | 201.151 deg | South Of Fiji Islands | 2023/04/28 03:13:43 GMT | (-25.1, 178.5) | 577 km | 6.2 mb | |
| 69.49318 | 82.6 deg | 327.454 deg | Northwestern Afghanistan | 2023/10/11 00:41:56 GMT | (34.6, 62.1) | 10 km | 6.3 Mww | |
| 68.985794 | 52.1 deg | 263.366 deg | Bonin Islands, Japan Region | 2024/04/27 08:35:34 GMT | (27.8, 139.6) | 503 km | 6.5 mww | |
| 68.78239 | 73.1 deg | 194.87 deg | Samoa Islands Region | 2022/12/04 19:24:15 GMT | (-15.4, -173.0) | 36 km | 6.7 Mww | |
| 68.27731 | 45.5 deg | 269.048 deg | Near East Coast Of Honshu, Japan | 2023/05/26 10:03:24 GMT | (35.6, 140.7) | 44 km | 6.2 mww | |
| 68.14331 | 77.8 deg | 260.887 deg | Mindanao, Philippines | 2023/10/04 11:21:48 GMT | (5.3, 126.1) | 122 km | 6.4 mww | |
| 68.04223 | 65.2 deg | 275.553 deg | Taiwan | 2024/04/22 21:04:21 GMT | (23.7, 121.6) | 5.0 km | 5.4 Mww | |
| 68.03856 | 66.1 deg | 101.053 deg | Guatemala | 2024/01/27 05:52:49 GMT | (14.1, -90.5) | 108 km | 6.1 Mww | |
| 67.96336 | 73.4 deg | 194.359 deg | Samoa Islands Region | 2022/12/04 19:24:27 GMT | (-15.7, -172.5) | 148 km | 6.9 Mi | |
| 67.91797 | 88.2 deg | 196.99 deg | Kermadec Islands, New Zealand | 2023/04/24 00:41:54 GMT | (-30.0, -177.9) | 34 km | 7.3 mww | |
| 67.53063 | 82.6 deg | 327.483 deg | Northwestern Afghanistan | 2023/10/15 03:36:00 GMT | (34.6, 62.1) | 8.2 km | 6.3 Mww | |
| 67.174324 | 78.1 deg | 261.907 deg | Mindanao, Philippines | 2023/11/17 08:14:11 GMT | (5.6, 125.0) | 64 km | 6.7 Mww | |
| 66.837105 | 76.9 deg | 196.439 deg | Tonga Islands | 2024/01/18 22:12:20 GMT | (-18.9, -175.1) | 218 km | 6.4 Mww | |
| 65.77276 | 74.7 deg | 221.603 deg | Solomon Islands | 2023/05/28 03:29:55 GMT | (-10.1, 161.2) | 104 km | 5.6 mww | |
| 65.7454 | 74.9 deg | 232.882 deg | New Britain Region, P.N.G. | 2024/04/14 20:56:28 GMT | (-5.8, 151.1) | 49 km | 6.5 mww | |
| 65.669426 | 46.0 deg | 273.651 deg | Near West Coast Of Honshu, Japan | 2023/05/05 05:42:04 GMT | (37.5, 137.3) | 8.7 km | 6.2 mww | |
| 65.54001 | 84.9 deg | 251.714 deg | Banda Sea | 2023/08/29 04:34:42 GMT | (-5.6, 130.0) | 203 km | 5.9 mww | |
| 65.469025 | 75.8 deg | 196.178 deg | Tonga Islands | 2023/07/02 10:27:45 GMT | (-17.9, -174.7) | 247 km | 6.7 Mi | |
| 65.35029 | 77.5 deg | 99.061 deg | South Of Panama | 2023/08/03 01:25:21 GMT | (5.6, -82.6) | 8.0 km | 5.9 mww | |
| 64.648094 | 82.0 deg | 210.607 deg | Vanuatu Islands | 2023/12/07 12:56:30 GMT | (-20.7, 169.2) | 48 km | 7.1 Mww | |
| 64.399055 | 76.2 deg | 214.623 deg | Vanuatu Islands | 2023/08/16 12:47:40 GMT | (-13.9, 167.2) | 193 km | 6.5 Mww | |
| 64.3696 | 78.1 deg | 321.636 deg | Hindu Kush Region, Afghanistan | 2023/01/05 14:25:52 GMT | (36.5, 70.7) | 194 km | 5.9 mww | |
| 64.255005 | 32.1 deg | 281.258 deg | Sea Of Okhotsk | 2024/06/06 11:07:53 GMT | (50.1, 147.6) | 622 km | 5.9 mww | |
| 64.07455 | 75.0 deg | 223.293 deg | Solomon Islands | 2022/11/22 02:13:03 GMT | (-9.8, 159.6) | 10 km | 5.6 mb | |
| 63.65419 | 37.9 deg | 175.879 deg | Hawaii | 2024/02/09 20:06:30 GMT | (19.0, -155.5) | 10 km | 6.3 Mi | |
| 62.748306 | 79.0 deg | 102.153 deg | Off Coast Of Central America | 2023/04/20 10:55:32 GMT | (2.7, -84.4) | 10 km | 5.5 mww | |
| 61.61355 | 57.6 deg | 250.373 deg | Mariana Islands | 2023/07/25 10:35:18 GMT | (17.1, 145.5) | 373 km | 5.6 mww | |
| 61.603786 | 65.2 deg | 275.609 deg | Taiwan | 2024/04/22 14:11:22 GMT | (23.7, 121.6) | 8.0 km | 5.8 mww | |
| 61.597996 | 77.1 deg | 237.711 deg | Eastern New Guinea Reg., P.N.G. | 2023/10/07 13:10:40 GMT | (-5.7, 145.9) | 38 km | 5.7 mww | |
| 61.568996 | 59.7 deg | 246.104 deg | South Of Mariana Islands | 2023/08/14 13:51:54 GMT | (13.4, 147.5) | 10 km | 6.1 mww | |
| 61.56097 | 76.2 deg | 200.41 deg | Fiji Islands Region | 2023/10/31 11:10:56 GMT | (-17.5, -179.0) | 548 km | 6.4 mww | |
| 60.665684 | 76.5 deg | 239.21 deg | Near N Coast Of New Guinea, P.N.G. | 2023/06/19 11:18:11 GMT | (-4.5, 144.9) | 21 km | 5.9 Mww | |
| 60.397568 | 84.1 deg | 79.482 deg | Near Coast Of Venezuela | 2024/06/23 03:58:00 GMT | (10.8, -62.6) | 87 km | 6.0 mww | |
| 59.975857 | 78.2 deg | 240.597 deg | New Guinea, Papua New Guinea | 2023/09/05 15:03:17 GMT | (-5.3, 142.9) | 52 km | 5.8 mww | |
| 59.525387 | 73.8 deg | 224.513 deg | Solomon Islands | 2023/03/27 22:19:15 GMT | (-8.2, 158.9) | 86 km | 6.1 mww | |
| 59.27035 | 84.9 deg | 201.051 deg | South Of Fiji Islands | 2022/11/09 09:38:42 GMT | (-26.0, 178.4) | 629 km | 6.8 mww | |
| 59.22145 | 83.8 deg | 260.403 deg | Minahassa Peninsula, Sulawesi | 2023/01/18 00:34:43 GMT | (-0.0, 123.2) | 147 km | 6.1 mww | |
| 58.966434 | 74.8 deg | 262.055 deg | Mindanao, Philippines | 2023/12/03 10:35:57 GMT | (8.4, 126.7) | 56 km | 6.6 mww | |
| 58.64329 | 86.3 deg | 251.339 deg | Banda Sea | 2023/05/24 15:49:34 GMT | (-7.0, 129.5) | 166 km | 6.2 Mww | |
| 58.266026 | 77.6 deg | 213.553 deg | Vanuatu Islands | 2023/09/28 14:40:26 GMT | (-15.6, 167.7) | 126 km | 6.0 mww | |
| 58.105713 | 73.6 deg | 264.649 deg | Leyte, Philippines | 2024/05/03 10:16:23 GMT | (10.9, 125.3) | 7.9 km | 5.7 Mww | |
| 57.902294 | 80.5 deg | 309.361 deg | Nepal | 2023/11/03 18:02:54 GMT | (28.9, 82.2) | 18 km | 5.6 Mww | |
| 57.326664 | 71.1 deg | 266.124 deg | Philippine Islands Region | 2023/04/04 12:54:32 GMT | (13.8, 125.5) | 15 km | 6.2 mww | |
| 57.169544 | 87.5 deg | 197.694 deg | Kermadec Islands, New Zealand | 2024/05/17 20:58:27 GMT | (-29.1, -178.5) | 196 km | 5.8 Mww | |
| 57.067234 | 67.1 deg | 102.191 deg | Off Coast Of Central America | 2023/07/30 01:10:29 GMT | (12.7, -90.9) | 10 km | 5.7 Mww | |
| 56.730877 | 75.6 deg | 234.174 deg | New Britain Region, P.N.G. | 2023/04/19 09:06:03 GMT | (-5.9, 149.6) | 40 km | 6.3 mww | |
| 56.17974 | 64.9 deg | 102.484 deg | Near Coast Of Chiapas, Mexico | 2024/05/12 11:39:14 GMT | (14.5, -92.4) | 75 km | 6.4 mww | |
| 55.840935 | 78.3 deg | 257.987 deg | North Of Halmahera, Indonesia | 2023/02/23 20:02:48 GMT | (3.3, 128.1) | 97 km | 6.3 mww | |
| 55.61953 | 73.7 deg | 231.589 deg | New Britain Region, P.N.G. | 2023/09/28 19:21:17 GMT | (-5.3, 152.8) | 49 km | 5.7 Mww | |
| 55.038937 | 77.6 deg | 237.105 deg | Eastern New Guinea Reg., P.N.G. | 2023/02/04 12:22:36 GMT | (-6.4, 146.2) | 102 km | 5.7 mww | |
| 54.935223 | 74.6 deg | 234.732 deg | Bismarck Sea | 2023/03/01 05:36:14 GMT | (-4.8, 149.6) | 583 km | 6.5 Mi | |
| 53.26233 | 65.2 deg | 275.607 deg | Taiwan | 2024/05/06 09:45:30 GMT | (23.7, 121.6) | 20 km | 5.6 Mww | |
| 52.32681 | 78.9 deg | 258.636 deg | Talaud Islands, Indonesia | 2024/06/15 13:08:12 GMT | (3.2, 127.3) | 28 km | 5.6 mww | |
| 52.116493 | 62.8 deg | 102.509 deg | Chiapas, Mexico | 2023/08/09 09:33:26 GMT | (16.2, -93.6) | 111 km | 5.8 mww | |
| 51.945923 | 76.5 deg | 196.568 deg | Tonga Islands | 2023/05/27 00:11:00 GMT | (-18.5, -175.2) | 215 km | 6.0 mww | |
| 51.827747 | 44.2 deg | 270.086 deg | Near East Coast Of Honshu, Japan | 2024/03/14 15:14:36 GMT | (37.1, 141.1) | 53 km | 5.6 mww | |
| 50.326214 | 74.8 deg | 262.004 deg | Mindanao, Philippines | 2023/12/02 20:52:15 GMT | (8.4, 126.8) | 9.0 km | 6.0 Mww | |
| 50.16437 | 83.0 deg | 258.776 deg | Southern Molucca Sea | 2023/08/04 11:48:37 GMT | (-0.2, 125.0) | 25 km | 5.6 mww | |
| 49.4849 | 82.5 deg | 270.102 deg | South China Sea | 2023/04/02 19:32:24 GMT | (6.4, 115.8) | 601 km | 5.5 mb | |
| 48.49818 | 68.9 deg | 273.078 deg | Philippine Islands Region | 2023/09/12 11:03:18 GMT | (19.3, 121.2) | 41 km | 6.3 Mww | |
| 46.733227 | 79.0 deg | 199.196 deg | Fiji Islands Region | 2023/02/27 06:40:59 GMT | (-20.5, -178.4) | 548 km | 5.6 Mww | |
| 44.106792 | 84.0 deg | 208.988 deg | Southeast Of Loyalty Islands | 2023/05/23 06:42:00 GMT | (-23.0, 170.2) | 18 km | 5.9 mww | |
| 41.181316 | 73.2 deg | 230.25 deg | Solomon Islands | 2024/06/09 16:28:38 GMT | (-5.4, 154.1) | 125 km | 5.7 Mww |
