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% ( 2.3809524 %) and 3 with match > 80% ( 7.142857 %) out of 42.
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=0.016504638 |
| Local Maxima 3 | 40 km | 1.60 | 6.134 km/s | 3.834 km/s | 0.18 | amp=0.014733442 |
| Local Maxima 4 | 27 km | 2.01 | 6.134 km/s | 3.048 km/s | 0.34 | amp=0.013955134 |
| 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 UTC | (-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 UTC | (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 UTC | (36.5, 71.0) | 188 km | 6.5 Mww |
Losers
(39 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 UTC | (-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 UTC | (-4.3, 143.2) | 74 km | 7.3 Mi | |
| 88.825806 | 84.0 deg | 208.574 deg | Southeast Of Loyalty Islands | 2023/05/19 02:57:07 UTC | (-23.2, 170.7) | 10 km | 7.7 Mi | |
| 85.87414 | 79.4 deg | 258.603 deg | Northern Molucca Sea | 2023/01/18 06:06:11 UTC | (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 UTC | (-19.3, -172.1) | 25 km | 7.3 Mww | |
| 83.09155 | 75.0 deg | 223.253 deg | Solomon Islands | 2022/11/22 02:03:07 UTC | (-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 UTC | (-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 UTC | (-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 UTC | (7.6, -82.3) | 10 km | 6.3 mww | |
| 76.05328 | 78.6 deg | 199.277 deg | Fiji Islands Region | 2022/11/12 07:09:14 UTC | (-20.1, -178.4) | 587 km | 7.0 mww | |
| 75.76996 | 65.1 deg | 100.738 deg | Guatemala | 2023/05/17 23:02:00 UTC | (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 UTC | (-7.1, 130.0) | 95 km | 7.6 mww | |
| 74.77788 | 77.3 deg | 214.69 deg | Vanuatu Islands | 2023/01/11 08:39:53 UTC | (-14.9, 166.7) | 10 km | 5.8 Mww | |
| 72.12703 | 76.4 deg | 236.965 deg | Eastern New Guinea Reg., P.N.G. | 2023/03/14 00:49:08 UTC | (-5.4, 146.9) | 213 km | 6.3 mww | |
| 70.784645 | 77.8 deg | 92.55 deg | Panama-Colombia Border Region | 2023/05/25 03:05:34 UTC | (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 UTC | (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 UTC | (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 UTC | (-25.1, 178.5) | 577 km | 6.2 mb | |
| 68.78239 | 73.1 deg | 194.87 deg | Samoa Islands Region | 2022/12/04 19:24:15 UTC | (-15.4, -173.0) | 36 km | 6.7 Mww | |
| 67.96336 | 73.4 deg | 194.359 deg | Samoa Islands Region | 2022/12/04 19:24:27 UTC | (-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 UTC | (-30.0, -177.9) | 34 km | 7.3 mww | |
| 65.77276 | 74.7 deg | 221.603 deg | Solomon Islands | 2023/05/28 03:29:55 UTC | (-10.1, 161.2) | 104 km | 5.6 mww | |
| 65.669426 | 46.0 deg | 273.651 deg | Near West Coast Of Honshu, Japan | 2023/05/05 05:42:04 UTC | (37.5, 137.3) | 8.7 km | 6.2 mww | |
| 64.3696 | 78.1 deg | 321.636 deg | Hindu Kush Region, Afghanistan | 2023/01/05 14:25:52 UTC | (36.5, 70.7) | 194 km | 5.9 mww | |
| 64.07455 | 75.0 deg | 223.293 deg | Solomon Islands | 2022/11/22 02:13:03 UTC | (-9.8, 159.6) | 10 km | 5.6 mb | |
| 62.748306 | 79.0 deg | 102.153 deg | Off Coast Of Central America | 2023/04/20 10:55:32 UTC | (2.7, -84.4) | 10 km | 5.5 mww | |
| 59.525387 | 73.8 deg | 224.513 deg | Solomon Islands | 2023/03/27 22:19:15 UTC | (-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 UTC | (-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 UTC | (-0.0, 123.2) | 147 km | 6.1 mww | |
| 58.64329 | 86.3 deg | 251.339 deg | Banda Sea | 2023/05/24 15:49:34 UTC | (-7.0, 129.5) | 166 km | 6.2 Mww | |
| 57.326664 | 71.1 deg | 266.124 deg | Philippine Islands Region | 2023/04/04 12:54:32 UTC | (13.8, 125.5) | 15 km | 6.2 mww | |
| 56.730877 | 75.6 deg | 234.174 deg | New Britain Region, P.N.G. | 2023/04/19 09:06:03 UTC | (-5.9, 149.6) | 40 km | 6.3 mww | |
| 55.840935 | 78.3 deg | 257.987 deg | North Of Halmahera, Indonesia | 2023/02/23 20:02:48 UTC | (3.3, 128.1) | 97 km | 6.3 mww | |
| 55.038937 | 77.6 deg | 237.105 deg | Eastern New Guinea Reg., P.N.G. | 2023/02/04 12:22:36 UTC | (-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 UTC | (-4.8, 149.6) | 583 km | 6.5 Mi | |
| 51.945923 | 76.5 deg | 196.568 deg | Tonga Islands | 2023/05/27 00:11:00 UTC | (-18.5, -175.2) | 215 km | 6.0 mww | |
| 49.4849 | 82.5 deg | 270.102 deg | South China Sea | 2023/04/02 19:32:24 UTC | (6.4, 115.8) | 601 km | 5.5 mb | |
| 46.733227 | 79.0 deg | 199.196 deg | Fiji Islands Region | 2023/02/27 06:40:59 UTC | (-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 UTC | (-23.0, 170.2) | 18 km | 5.9 mww |
