Station AV BPPC - Black Peak Purple Crater, Alaska
Network: AV - Alaska Volcano Observatory
Nearby stations (2 deg radius)
| Station | Name | (Lat, Lon) | Start / End | Elevation |
| BPPC | Black Peak Purple Crater, Alaska | (56.58, -158.83) | 2022-08-21 / 2499-01-01 | 857 m |
| Crust2 Type: | C3,continental shelf, 2 km seds. |
| Thickness Estimate: | 31 km |
| Thickness StdDev: | 0.2 km |
| Vp/Vs Estimate: | 1.62 |
| Vp/Vs StdDev: | 0.01 |
| Vs Estimate: | 3.781 km/s |
| Poisson's Ratio: | 0.19 |
| Peak Value: | 0.11 |
| Assumed Vp: | 6.134 km/s |
| Ps Weight: | 0.33333334 |
| PpPs Weight: | 0.33333334 |
| PsPs Weight: | 0.33333328 |
| Residual Complexity: | 0.422 |
| Nearby stations H: | +- |
| (2.0 deg) Vp/Vs: | +- |
3 with match > 90% ( 5.084746 %) and 4 with match > 80% ( 6.779661 %) 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 | 31 km | 1.62 | 6.134 km/s | 3.781 km/s | 0.19 | |
| Crust2.0 | 31 km | 1.80 | 6.134 km/s | 3.406 km/s | 0.28 | C3,continental shelf, 2 km seds. |
| Global Maxima | 31 km | 1.62 | 6.134 km/s | 3.781 km/s | 0.19 | amp=0.11196148 |
| Local Maxima 1 | 66 km | 1.60 | 6.134 km/s | 3.828 km/s | 0.18 | amp=0.045935348 |
| Local Maxima 2 | 36 km | 1.60 | 6.134 km/s | 3.834 km/s | 0.18 | amp=0.043218225 |
| Local Maxima 3 | 30 km | 1.68 | 6.134 km/s | 3.651 km/s | 0.23 | amp=0.0243221 |
| Local Maxima 4 | 62 km | 1.64 | 6.134 km/s | 3.729 km/s | 0.21 | amp=0.014629038 |
| Predicted Arrivals for vertical incidence (zero ray parameter) | |
| Ps | 3.17 SECOND |
| PpPs | 13.36 SECOND |
| PsPs/PpSs | 16.53 SECOND |
Events Processed for this Station
Download zip of receiver functions as SAC
Plot maxima for each earthquake.
Events Used in the Stack
(4 events)| Radial Match | Distance | Baz | FERegion | Time | Lat/Lon | Depth | Magnitude |
| 95.8586 | 76.4 deg | 192.889 deg | Tonga Islands Region | 2022/11/11 10:48:45 UTC | (-19.3, -172.1) | 25 km | 7.3 Mww |
| 92.554 | 73.1 deg | 195.896 deg | Tonga Islands | 2023/05/10 16:02:00 UTC | (-15.6, -174.6) | 210 km | 7.6 mww |
| 90.93311 | 83.5 deg | 208.303 deg | Southeast Of Loyalty Islands | 2023/05/20 01:51:01 UTC | (-23.1, 170.4) | 45 km | 7.4 Mi |
| 84.193634 | 87.4 deg | 197.337 deg | Kermadec Islands, New Zealand | 2023/03/04 06:41:22 UTC | (-29.5, -178.8) | 206 km | 6.9 mww |
Losers
(55 events)| Radial Match | Distance | Baz | FERegion | Time | Lat/Lon | Depth | Magnitude | Reason |
| 95.992455 | 56.1 deg | 109.526 deg | Near Coast Of Michoacan, Mexico | 2022/09/19 18:05:09 UTC | (18.2, -103.4) | 10 km | 7.5 Mi | |
| 95.780426 | 76.8 deg | 236.449 deg | Eastern New Guinea Reg., P.N.G. | 2022/09/10 23:46:55 UTC | (-6.2, 146.5) | 61 km | 7.6 mww | |
| 93.27652 | 83.5 deg | 208.053 deg | Southeast Of Loyalty Islands | 2023/05/19 02:57:07 UTC | (-23.2, 170.7) | 10 km | 7.7 Mi | |
| 91.649765 | 76.7 deg | 240.309 deg | New Guinea, Papua New Guinea | 2023/04/02 18:04:12 UTC | (-4.3, 143.2) | 74 km | 7.3 Mi | |
| 88.01895 | 87.7 deg | 194.69 deg | Kermadec Islands Region | 2023/03/16 00:55:58 UTC | (-30.2, -175.9) | 10 km | 7.1 Mi | |
| 87.71964 | 87.8 deg | 196.474 deg | Kermadec Islands, New Zealand | 2023/04/24 00:41:54 UTC | (-30.0, -177.9) | 34 km | 7.3 mww | |
| 86.473114 | 85.7 deg | 250.363 deg | Tanimbar Islands Reg., Indonesia | 2023/01/09 17:47:34 UTC | (-7.1, 130.0) | 95 km | 7.6 mww | |
| 86.075134 | 65.4 deg | 100.028 deg | Guatemala | 2023/05/17 23:02:00 UTC | (15.1, -90.9) | 256 km | 6.4 mww | |
| 85.549515 | 75.9 deg | 236.49 deg | Eastern New Guinea Reg., P.N.G. | 2023/03/14 00:49:08 UTC | (-5.4, 146.9) | 213 km | 6.3 mww | |
| 84.89523 | 76.3 deg | 97.111 deg | South Of Panama | 2023/04/04 22:18:12 UTC | (7.6, -82.3) | 10 km | 6.3 mww | |
| 84.109024 | 83.6 deg | 200.624 deg | South Of Fiji Islands | 2023/04/28 03:13:43 UTC | (-25.1, 178.5) | 577 km | 6.2 mb | |
| 84.051186 | 56.2 deg | 108.917 deg | Michoacan, Mexico | 2022/09/22 06:16:11 UTC | (18.4, -102.9) | 61 km | 6.8 mww | |
| 83.955154 | 81.8 deg | 209.119 deg | Southeast Of Loyalty Islands | 2022/09/14 11:04:07 UTC | (-21.2, 170.1) | 124 km | 7.0 Mi | |
| 83.85664 | 74.5 deg | 222.749 deg | Solomon Islands | 2022/11/22 02:03:07 UTC | (-9.8, 159.6) | 14 km | 7.0 Mww | |
| 82.51282 | 79.0 deg | 258.153 deg | Northern Molucca Sea | 2023/01/18 06:06:11 UTC | (2.7, 127.1) | 29 km | 7.0 mwc | |
| 77.58505 | 86.3 deg | 100.725 deg | Near Coast Of Ecuador | 2023/03/18 17:12:53 UTC | (-2.9, -79.8) | 66 km | 6.7 Mww | |
| 73.08775 | 70.3 deg | 294.133 deg | Sichuan, China | 2022/09/05 04:52:19 UTC | (29.7, 102.3) | 10 km | 6.6 mww | |
| 72.83503 | 72.9 deg | 193.781 deg | Samoa Islands Region | 2022/12/04 19:24:27 UTC | (-15.7, -172.5) | 148 km | 6.9 Mi | |
| 72.6628 | 72.7 deg | 194.292 deg | Samoa Islands Region | 2022/12/04 19:24:15 UTC | (-15.4, -173.0) | 36 km | 6.7 Mww | |
| 71.184235 | 97.4 deg | 199.652 deg | North Island, New Zealand | 2022/11/30 10:48:00 UTC | (-38.8, 175.9) | 7.8 km | 5.4 Mww | |
| 70.82502 | 84.5 deg | 200.526 deg | South Of Fiji Islands | 2022/11/09 09:38:42 UTC | (-26.0, 178.4) | 629 km | 6.8 mww | |
| 70.57888 | 78.2 deg | 198.729 deg | Fiji Islands Region | 2022/11/12 07:09:14 UTC | (-20.1, -178.4) | 587 km | 7.0 mww | |
| 69.45835 | 70.7 deg | 265.74 deg | Philippine Islands Region | 2023/04/04 12:54:32 UTC | (13.8, 125.5) | 15 km | 6.2 mww | |
| 68.44687 | 73.3 deg | 224.012 deg | Solomon Islands | 2023/03/27 22:19:15 UTC | (-8.2, 158.9) | 86 km | 6.1 mww | |
| 68.13186 | 70.1 deg | 272.356 deg | Luzon, Philippines | 2022/10/25 14:59:04 UTC | (17.9, 120.6) | 10 km | 6.8 Mi | |
| 68.07157 | 77.9 deg | 257.543 deg | North Of Halmahera, Indonesia | 2023/02/23 20:02:48 UTC | (3.3, 128.1) | 97 km | 6.3 mww | |
| 65.53133 | 65.5 deg | 275.106 deg | Taiwan | 2022/09/18 06:44:15 UTC | (23.1, 121.3) | 10 km | 7.2 Mi | |
| 65.4714 | 72.4 deg | 230.56 deg | New Ireland Region, P.N.G. | 2022/10/13 22:20:20 UTC | (-4.8, 153.6) | 71 km | 6.4 mww | |
| 64.20469 | 55.9 deg | 109.469 deg | Near Coast Of Michoacan, Mexico | 2022/09/20 08:17:16 UTC | (18.5, -103.5) | 54 km | 5.8 mww | |
| 64.0807 | 79.2 deg | 101.559 deg | Off Coast Of Central America | 2023/04/20 10:55:32 UTC | (2.7, -84.4) | 10 km | 5.5 mww | |
| 62.174953 | 95.6 deg | 282.107 deg | Northern Sumatra, Indonesia | 2023/01/15 22:29:58 UTC | (2.0, 98.0) | 37 km | 6.2 Mww | |
| 61.649723 | 75.3 deg | 234.685 deg | New Britain Region, P.N.G. | 2022/09/02 22:39:51 UTC | (-5.7, 148.7) | 126 km | 6.1 Mww | |
| 61.16456 | 76.7 deg | 213.661 deg | Vanuatu Islands | 2023/01/10 05:24:48 UTC | (-15.0, 167.2) | 110 km | 5.7 mww | |
| 60.956406 | 90.6 deg | 196.946 deg | South Of Kermadec Islands | 2022/08/29 18:10:50 UTC | (-32.7, -179.1) | 32 km | 5.8 mww | |
| 59.19681 | 45.6 deg | 273.534 deg | Near West Coast Of Honshu, Japan | 2023/05/05 05:42:04 UTC | (37.5, 137.3) | 8.7 km | 6.2 mww | |
| 58.875744 | 78.1 deg | 321.04 deg | Hindu Kush Region, Afghanistan | 2023/03/21 16:47:23 UTC | (36.5, 71.0) | 188 km | 6.5 Mww | |
| 58.67753 | 74.1 deg | 234.256 deg | Bismarck Sea | 2023/03/01 05:36:14 UTC | (-4.8, 149.6) | 583 km | 6.5 Mi | |
| 58.175877 | 50.9 deg | 264.235 deg | Bonin Islands, Japan Region | 2023/01/16 04:49:52 UTC | (29.0, 139.4) | 405 km | 6.3 mww | |
| 54.38821 | 83.4 deg | 199.564 deg | South Of Fiji Islands | 2022/09/08 15:05:36 UTC | (-25.1, 179.7) | 511 km | 5.4 Mww | |
| 53.67036 | 75.1 deg | 233.695 deg | New Britain Region, P.N.G. | 2023/04/19 09:06:03 UTC | (-5.9, 149.6) | 40 km | 6.3 mww | |
| 53.497356 | 76.2 deg | 97.022 deg | South Of Panama | 2022/10/20 11:57:14 UTC | (7.7, -82.3) | 10 km | 6.9 Mi | |
| 52.802456 | 83.4 deg | 259.931 deg | Minahassa Peninsula, Sulawesi | 2023/01/18 00:34:43 UTC | (-0.0, 123.2) | 147 km | 6.1 mww | |
| 51.93563 | 75.9 deg | 320.102 deg | Tajikistan-Xinjiang Border Reg. | 2023/02/23 00:37:40 UTC | (38.1, 73.2) | 21 km | 6.8 Mww | |
| 51.472492 | 77.1 deg | 236.628 deg | Eastern New Guinea Reg., P.N.G. | 2023/02/04 12:22:36 UTC | (-6.4, 146.2) | 102 km | 5.7 mww | |
| 51.250263 | 79.1 deg | 199.108 deg | Fiji Islands Region | 2022/09/11 09:06:51 UTC | (-21.0, -178.9) | 630 km | 5.5 mb | |
| 50.941868 | 76.8 deg | 214.019 deg | Vanuatu Islands | 2023/01/08 12:32:42 UTC | (-14.9, 166.9) | 28 km | 7.0 mww | |
| 50.34075 | 58.5 deg | 107.429 deg | Guerrero, Mexico | 2022/12/11 14:31:29 UTC | (17.2, -100.5) | 18 km | 6.0 mww | |
| 49.65888 | 75.9 deg | 236.303 deg | Eastern New Guinea Reg., P.N.G. | 2022/09/21 09:30:48 UTC | (-5.5, 147.0) | 210 km | 5.7 Mww | |
| 49.323616 | 76.7 deg | 240.868 deg | New Guinea, Papua New Guinea | 2023/05/02 20:09:59 UTC | (-4.1, 142.7) | 120 km | 5.5 Mww | |
| 48.309334 | 48.4 deg | 270.11 deg | Near S. Coast Of Honshu, Japan | 2022/11/14 08:08:26 UTC | (33.8, 137.3) | 357 km | 6.1 mww | |
| 46.77225 | 75.4 deg | 261.788 deg | Mindanao, Philippines | 2023/02/01 10:44:44 UTC | (7.7, 126.1) | 9.4 km | 6.0 mww | |
| 44.471947 | 45.7 deg | 273.497 deg | Near West Coast Of Honshu, Japan | 2023/05/05 12:58:04 UTC | (37.5, 137.3) | 14 km | 5.8 mb | |
| 43.774967 | 79.4 deg | 194.762 deg | Tonga Islands Region | 2022/12/27 01:00:46 UTC | (-22.0, -174.5) | 10 km | 5.5 Mww | |
| 43.031322 | 80.3 deg | 75.388 deg | Leeward Islands | 2023/01/20 11:23:40 UTC | (16.2, -62.0) | 165 km | 5.8 Mi | |
| 41.474133 | 84.7 deg | 346.92 deg | Turkey | 2023/02/06 10:35:58 UTC | (38.0, 37.8) | 10 km | 5.8 mb |
