Station AV ANNQ - Aniakchak Nanwaq, Alaska
Network: AV - Alaska Volcano Observatory
Nearby stations (2 deg radius)
| Station | Name | (Lat, Lon) | Start / End | Elevation |
| ANNQ | Aniakchak Nanwaq, Alaska | (56.93, -158.11) | 2022-07-27 / 2499-01-01 | 371 m |
| Crust2 Type: | C3,continental shelf, 2 km seds. |
| Thickness Estimate: | 34 km |
| Thickness StdDev: | 6.8 km |
| Vp/Vs Estimate: | 1.81 |
| Vp/Vs StdDev: | 0.11 |
| Vs Estimate: | 3.389 km/s |
| Poisson's Ratio: | 0.28 |
| Peak Value: | 0.03 |
| Assumed Vp: | 6.134 km/s |
| Ps Weight: | 0.33333334 |
| PpPs Weight: | 0.33333334 |
| PsPs Weight: | 0.33333328 |
| Residual Complexity: | 0.697 |
| Nearby stations H: | +- |
| (2.0 deg) Vp/Vs: | +- |
1 with match > 90% ( 1.6949153 %) and 7 with match > 80% ( 11.864407 %) out of 59.
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 | 34 km | 1.81 | 6.134 km/s | 3.389 km/s | 0.28 | |
| Crust2.0 | 31 km | 1.80 | 6.134 km/s | 3.406 km/s | 0.28 | C3,continental shelf, 2 km seds. |
| Global Maxima | 34 km | 1.81 | 6.134 km/s | 3.389 km/s | 0.28 | amp=0.025530046 |
| Local Maxima 1 | 31 km | 1.81 | 6.134 km/s | 3.398 km/s | 0.28 | amp=0.020990398 |
| Local Maxima 2 | 31 km | 1.99 | 6.134 km/s | 3.082 km/s | 0.33 | amp=0.017235065 |
| Local Maxima 3 | 40 km | 1.68 | 6.134 km/s | 3.657 km/s | 0.22 | amp=0.010232499 |
| Local Maxima 4 | 28 km | 1.97 | 6.134 km/s | 3.122 km/s | 0.33 | amp=0.009755108 |
| Predicted Arrivals for vertical incidence (zero ray parameter) | |
| Ps | 4.49 SECOND |
| PpPs | 15.58 SECOND |
| PsPs/PpSs | 20.07 SECOND |
Events Processed for this Station
Download zip of receiver functions as SAC
Plot maxima for each earthquake.
Events Used in the Stack
(7 events)| Radial Match | Distance | Baz | FERegion | Time | Lat/Lon | Depth | Magnitude |
| 95.7672 | 55.9 deg | 110.433 deg | Near Coast Of Michoacan, Mexico | 2022/09/19 18:05:09 UTC | (18.2, -103.4) | 10 km | 7.5 Mi |
| 88.664314 | 76.9 deg | 237.629 deg | Eastern New Guinea Reg., P.N.G. | 2023/10/07 08:34:26 UTC | (-5.6, 146.1) | 53 km | 6.7 mww |
| 87.39648 | 75.0 deg | 223.357 deg | Solomon Islands | 2022/11/22 02:03:07 UTC | (-9.8, 159.6) | 14 km | 7.0 Mww |
| 86.93117 | 56.0 deg | 109.821 deg | Michoacan, Mexico | 2022/09/22 06:16:11 UTC | (18.4, -102.9) | 61 km | 6.8 mww |
| 81.43256 | 65.9 deg | 275.528 deg | Taiwan | 2022/09/18 06:44:15 UTC | (23.1, 121.3) | 10 km | 7.2 Mi |
| 80.84927 | 70.5 deg | 294.557 deg | Sichuan, China | 2022/09/05 04:52:19 UTC | (29.7, 102.3) | 10 km | 6.6 mww |
| 80.53944 | 87.8 deg | 197.943 deg | Kermadec Islands, New Zealand | 2023/03/04 06:41:22 UTC | (-29.5, -178.8) | 206 km | 6.9 mww |
Losers
(52 events)| Radial Match | Distance | Baz | FERegion | Time | Lat/Lon | Depth | Magnitude | Reason |
| 87.93509 | 76.8 deg | 237.64 deg | Eastern New Guinea Reg., P.N.G. | 2023/10/07 08:40:13 UTC | (-5.5, 146.2) | 74 km | 6.7 Mww | |
| 85.054855 | 59.8 deg | 246.222 deg | South Of Mariana Islands | 2023/08/14 13:51:54 UTC | (13.4, 147.5) | 10 km | 6.1 mww | |
| 84.7266 | 93.1 deg | 262.412 deg | Bali Sea | 2023/08/28 19:55:31 UTC | (-6.8, 116.5) | 514 km | 7.1 Mww | |
| 79.06936 | 69.0 deg | 273.176 deg | Philippine Islands Region | 2023/09/12 11:03:18 UTC | (19.3, 121.2) | 41 km | 6.3 Mww | |
| 76.83771 | 63.5 deg | 103.564 deg | Near Coast Of Chiapas, Mexico | 2023/07/14 09:29:01 UTC | (15.0, -93.9) | 35 km | 6.3 mww | |
| 76.34567 | 78.6 deg | 199.377 deg | Fiji Islands Region | 2022/11/12 07:09:14 UTC | (-20.1, -178.4) | 587 km | 7.0 mww | |
| 75.80965 | 77.8 deg | 260.983 deg | Mindanao, Philippines | 2023/10/04 11:21:48 UTC | (5.3, 126.1) | 122 km | 6.4 mww | |
| 75.75309 | 77.6 deg | 259.411 deg | Talaud Islands, Indonesia | 2023/09/26 01:39:44 UTC | (4.7, 127.5) | 100 km | 5.9 mww | |
| 74.06017 | 60.8 deg | 273.801 deg | Ryukyu Islands, Japan | 2022/09/18 08:09:59 UTC | (26.3, 126.0) | 10 km | 5.7 Mww | |
| 70.7395 | 91.1 deg | 197.746 deg | South Of Kermadec Islands | 2023/09/08 09:09:58 UTC | (-32.7, -179.3) | 90 km | 6.6 mww | |
| 69.50172 | 78.1 deg | 321.524 deg | Hindu Kush Region, Afghanistan | 2023/03/21 16:47:23 UTC | (36.5, 71.0) | 188 km | 6.5 Mww | |
| 68.7116 | 80.6 deg | 257.468 deg | Halmahera, Indonesia | 2023/09/11 12:51:34 UTC | (1.1, 127.5) | 163 km | 6.0 mww | |
| 68.400024 | 73.7 deg | 231.694 deg | New Britain Region, P.N.G. | 2023/09/28 19:21:17 UTC | (-5.3, 152.8) | 49 km | 5.7 Mww | |
| 68.13723 | 75.8 deg | 262.308 deg | Mindanao, Philippines | 2023/02/01 10:44:44 UTC | (7.7, 126.1) | 9.4 km | 6.0 mww | |
| 67.81766 | 57.6 deg | 250.492 deg | Mariana Islands | 2023/07/25 10:35:18 UTC | (17.1, 145.5) | 373 km | 5.6 mww | |
| 67.590546 | 75.0 deg | 223.397 deg | Solomon Islands | 2022/11/22 02:13:03 UTC | (-9.8, 159.6) | 10 km | 5.6 mb | |
| 65.778656 | 68.5 deg | 99.805 deg | Off Coast Of Central America | 2023/07/19 00:22:07 UTC | (12.8, -88.1) | 70 km | 6.5 mww | |
| 65.56133 | 55.6 deg | 110.379 deg | Near Coast Of Michoacan, Mexico | 2022/09/20 08:17:16 UTC | (18.5, -103.5) | 54 km | 5.8 mww | |
| 64.434586 | 40.4 deg | 273.015 deg | Hokkaido, Japan Region | 2023/08/11 00:14:32 UTC | (41.1, 142.8) | 30 km | 5.9 mww | |
| 63.52737 | 54.0 deg | 110.974 deg | Near Coast Of Jalisco, Mexico | 2023/09/08 16:37:17 UTC | (19.5, -104.9) | 45 km | 5.7 mww | |
| 63.053535 | 72.9 deg | 231.148 deg | New Ireland Region, P.N.G. | 2022/10/13 22:20:20 UTC | (-4.8, 153.6) | 71 km | 6.4 mww | |
| 62.65631 | 76.8 deg | 239.882 deg | Near N Coast Of New Guinea, P.N.G. | 2023/03/23 00:17:39 UTC | (-4.4, 144.3) | 132 km | 5.7 mww | |
| 62.406944 | 80.2 deg | 199.916 deg | Fiji Islands Region | 2023/08/02 01:32:35 UTC | (-21.6, -179.3) | 632 km | 5.8 mww | |
| 62.337322 | 78.1 deg | 197.659 deg | Fiji Islands Region | 2022/10/10 17:55:10 UTC | (-20.0, -176.5) | 11 km | 5.5 Mww | |
| 61.96983 | 50.3 deg | 264.848 deg | Southeast Of Honshu, Japan | 2023/10/05 01:59:58 UTC | (30.0, 139.9) | 10 km | 6.1 mww | |
| 61.52059 | 78.4 deg | 258.083 deg | North Of Halmahera, Indonesia | 2023/02/23 20:02:48 UTC | (3.3, 128.1) | 97 km | 6.3 mww | |
| 61.267082 | 79.0 deg | 199.296 deg | Fiji Islands Region | 2023/02/27 06:40:59 UTC | (-20.5, -178.4) | 548 km | 5.6 Mww | |
| 60.078598 | 74.7 deg | 234.835 deg | Bismarck Sea | 2023/03/01 05:36:14 UTC | (-4.8, 149.6) | 583 km | 6.5 Mi | |
| 60.05022 | 82.7 deg | 327.589 deg | Northwestern Afghanistan | 2023/10/07 07:40:29 UTC | (34.6, 62.0) | 7.7 km | 5.9 mww | |
| 58.958202 | 77.6 deg | 213.655 deg | Vanuatu Islands | 2023/09/28 14:40:26 UTC | (-15.6, 167.7) | 126 km | 6.0 mww | |
| 58.659878 | 75.8 deg | 104.056 deg | Off Coast Of Central America | 2022/10/16 12:48:21 UTC | (4.4, -87.5) | 10 km | 6.3 Mww | |
| 58.484238 | 85.7 deg | 263.397 deg | Minahassa Peninsula, Sulawesi | 2023/09/09 14:43:24 UTC | (0.0, 119.8) | 9.9 km | 6.0 mww | |
| 58.09861 | 75.8 deg | 235.265 deg | New Britain Region, P.N.G. | 2022/09/02 22:39:51 UTC | (-5.7, 148.7) | 126 km | 6.1 Mww | |
| 56.163734 | 70.5 deg | 272.819 deg | Luzon, Philippines | 2022/10/25 14:59:04 UTC | (17.9, 120.6) | 10 km | 6.8 Mi | |
| 55.936626 | 82.7 deg | 327.667 deg | Northwestern Afghanistan | 2023/10/07 06:41:02 UTC | (34.6, 61.9) | 10 km | 6.2 mww | |
| 55.31595 | 61.0 deg | 274.506 deg | Northeast Of Taiwan | 2023/09/18 13:21:23 UTC | (26.4, 125.3) | 183 km | 6.3 mww | |
| 54.859062 | 98.1 deg | 280.589 deg | Southern Sumatra, Indonesia | 2022/08/28 22:34:33 UTC | (-1.0, 98.6) | 12 km | 5.8 Mww | |
| 54.596275 | 61.4 deg | 249.39 deg | Mariana Islands | 2023/08/09 09:20:31 UTC | (13.4, 144.3) | 494 km | 5.7 Mi | |
| 54.54049 | 95.5 deg | 261.956 deg | South Of Bali, Indonesia | 2022/08/22 08:36:32 UTC | (-9.1, 115.6) | 141 km | 5.5 Mww | |
| 52.821033 | 75.8 deg | 196.281 deg | Tonga Islands | 2023/07/02 10:27:45 UTC | (-17.9, -174.7) | 247 km | 6.7 Mi | |
| 52.725193 | 87.3 deg | 103.09 deg | Peru-Ecuador Border Region | 2022/10/05 08:26:21 UTC | (-4.9, -80.6) | 48 km | 5.8 Mww | |
| 52.63216 | 84.9 deg | 251.805 deg | Banda Sea | 2023/08/29 04:34:42 UTC | (-5.6, 130.0) | 203 km | 5.9 mww | |
| 51.07078 | 71.5 deg | 265.626 deg | Philippine Islands Region | 2022/12/09 06:32:59 UTC | (13.2, 125.8) | 9.0 km | 5.8 mww | |
| 50.543224 | 62.7 deg | 102.586 deg | Chiapas, Mexico | 2023/08/09 09:33:26 UTC | (16.2, -93.6) | 111 km | 5.8 mww | |
| 50.079006 | 38.9 deg | 114.253 deg | Baja California, Mexico | 2022/11/22 16:39:05 UTC | (30.8, -116.4) | 10 km | 6.2 Mww | |
| 48.849266 | 80.9 deg | 94.272 deg | Colombia | 2023/08/27 21:44:59 UTC | (5.3, -76.7) | 15 km | 5.7 Mww | |
| 47.081074 | 59.5 deg | 247.394 deg | Mariana Islands | 2023/03/01 19:28:07 UTC | (14.1, 146.8) | 9.9 km | 5.5 Mww | |
| 45.151417 | 48.8 deg | 270.396 deg | Near S. Coast Of Honshu, Japan | 2022/11/14 08:08:26 UTC | (33.8, 137.3) | 357 km | 6.1 mww | |
| 45.095974 | 75.8 deg | 323.546 deg | Tajikistan | 2023/03/22 20:07:44 UTC | (39.5, 70.0) | 5.6 km | 5.9 mb | |
| 44.8248 | 80.0 deg | 197.584 deg | Fiji Islands Region | 2022/08/28 18:48:01 UTC | (-21.8, -176.8) | 221 km | 5.6 mww | |
| 37.11815 | 83.3 deg | 209.309 deg | Southeast Of Loyalty Islands | 2022/11/17 11:21:30 UTC | (-22.3, 170.2) | 15 km | 5.5 Mww | |
| 28.722582 | 79.2 deg | 233.441 deg | Eastern New Guinea Reg., P.N.G. | 2023/07/06 20:04:08 UTC | (-9.5, 148.8) | 59 km | 5.5 mb |
