Station II ASCN - Butt Crater, Ascension Island
Network: II - Global Seismograph Network (GSN - IRIS/IDA)
Nearby stations (2 deg radius)
| Station | Name | (Lat, Lon) | Start / End | Elevation |
| ASCN | Butt Crater, Ascension Island | (-7.93, -14.36) | 1994-10-01 / 2499-01-01 | 173 m |
| Crust2 Type: | A0,normal oceanic, 0.07 km seds. |
| Thickness Estimate: | 12 km |
| Thickness StdDev: | 6.4 km |
| Vp/Vs Estimate: | 1.60 |
| Vp/Vs StdDev: | 0.12 |
| Vs Estimate: | 2.65 km/s |
| Poisson's Ratio: | 0.18 |
| Peak Value: | 0.04 |
| Assumed Vp: | 4.24 km/s |
| Ps Weight: | 0.33333334 |
| PpPs Weight: | 0.33333334 |
| PsPs Weight: | 0.33333328 |
| Residual Complexity: | 0.710 |
| Nearby stations H: | +- |
| (2.0 deg) Vp/Vs: | +- |
6 with match > 90% ( 9.67742 %) and 24 with match > 80% ( 38.70968 %) out of 62.
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 | 12 km | 1.60 | 4.24 km/s | 2.65 km/s | 0.18 | |
| Crust2.0 | 12 km | 2.19 | 4.24 km/s | 1.94 km/s | 0.37 | A0,normal oceanic, 0.07 km seds. |
| Global Maxima | 12 km | 1.60 | 4.24 km/s | 2.65 km/s | 0.18 | amp=0.035166316 |
| Local Maxima 1 | 16 km | 2.00 | 4.24 km/s | 2.12 km/s | 0.33 | amp=0.019372027 |
| Local Maxima 2 | 44 km | 2.10 | 4.24 km/s | 2.021 km/s | 0.35 | amp=0.0137129305 |
| Local Maxima 3 | 46 km | 1.64 | 4.24 km/s | 2.577 km/s | 0.21 | amp=0.011746394 |
| Local Maxima 4 | 30 km | 1.60 | 4.24 km/s | 2.65 km/s | 0.18 | amp=0.010051081 |
| Predicted Arrivals for vertical incidence (zero ray parameter) | |
| Ps | 1.70 SECOND |
| PpPs | 7.36 SECOND |
| PsPs/PpSs | 9.06 SECOND |
Events Processed for this Station
Download zip of receiver functions as SAC
Plot maxima for each earthquake.
Events Used in the Stack
(24 events)| Radial Match | Distance | Baz | FERegion | Time | Lat/Lon | Depth | Magnitude |
| 97.27671 | 58.4 deg | 255.831 deg | Near Coast Of Peru | 2001/06/23 20:33:14 GMT | (-16.3, -73.6) | 33 km | 6.7 MB, 8.2 MS, 8.4 MW, 7.8 ME |
| 94.540054 | 52.2 deg | 246.408 deg | Jujuy Province, Argentina | 2000/05/12 18:43:18 GMT | (-23.5, -66.5) | 225 km | 6.2 MB, 7.2 MW, 7.1 MW |
| 94.48396 | 76.7 deg | 285.399 deg | El Salvador | 2001/01/13 17:33:32 GMT | (13.0, -88.7) | 60 km | 6.4 MB, 7.8 MS, 7.7 MW, 7.5 ME |
| 93.827156 | 56.9 deg | 254.289 deg | Near Coast Of Peru | 2001/07/07 09:38:43 GMT | (-17.5, -72.1) | 33 km | 6.6 MB, 7.3 MS, 7.6 MW, 7.5 ME |
| 93.12028 | 55.2 deg | 248.492 deg | Northern Chile | 2007/11/14 15:40:50 GMT | (-22.2, -69.9) | 40 km | 6.7 MB, 7.4 MS, 7.7 MW, 7.4 ME |
| 90.00587 | 92.4 deg | 288.878 deg | Near Coast Of Jalisco, Mexico | 1995/10/09 15:35:55 GMT | (19.1, -104.2) | 49 km | 6.5 MB, 7.3 MS, 7.3 UNKNOWN, 7.9 MW |
| 89.948494 | 61.3 deg | 259.107 deg | Near Coast Of Peru | 2007/08/15 23:40:57 GMT | (-13.4, -76.6) | 39 km | 6.7 MB, 7.9 MS, 8.0 MW, 7.5 ME |
| 89.93622 | 55.7 deg | 247.201 deg | Near Coast Of Northern Chile | 1995/07/30 05:11:23 GMT | (-23.4, -70.3) | 47 km | 6.6 MB, 7.3 MS, 7.2 UNKNOWN, 8.1 MW |
| 87.42319 | 48.1 deg | 111.485 deg | Mozambique | 2006/02/22 22:19:07 GMT | (-21.3, 33.6) | 11 km | 6.5 MB, 7.5 MS, 7.0 MW, 7.0 MW |
| 87.355354 | 57.5 deg | 240.769 deg | Near Coast Of Central Chile | 1995/11/01 00:35:32 GMT | (-29.0, -71.5) | 20 km | 6.3 MB, 6.4 MS, 6.3 UNKNOWN, 6.7 MW |
| 86.9757 | 53.2 deg | 184.395 deg | Southwestern Atlantic Ocean | 2006/01/02 06:10:49 GMT | (-60.9, -21.6) | 10 km | 6.4 MB, 7.3 MS, 7.4 MW, 7.1 MW |
| 86.77699 | 57.6 deg | 238.422 deg | Near Coast Of Central Chile | 1997/10/15 01:03:33 GMT | (-30.9, -71.2) | 58 km | 6.8 MB, 6.8 MS, 7.3 UNKNOWN, 7.1 MW |
| 85.8711 | 88.2 deg | 66.2 deg | Southern India | 2001/01/26 03:16:40 GMT | (23.4, 70.2) | 16 km | 6.9 MB, 8.0 MS, 7.7 MW, 7.7 ME |
| 83.94772 | 64.2 deg | 279.089 deg | Near West Coast Of Colombia | 2004/11/15 09:06:56 GMT | (4.7, -77.5) | 15 km | 6.6 MB, 7.1 MS, 7.2 MW, 7.1 MW |
| 83.31474 | 79.3 deg | 47.321 deg | Turkmenistan | 2000/12/06 17:11:06 GMT | (39.6, 54.8) | 30 km | 6.7 MB, 7.5 MS, 7.0 MW, 6.9 ME |
| 82.47744 | 59.9 deg | 50.202 deg | Egypt | 1995/11/22 04:15:11 GMT | (28.8, 34.9) | 10 km | 6.2 MB, 7.3 MS, 7.2 UNKNOWN, 6.2 ML |
| 82.22935 | 65.0 deg | 281.547 deg | Panama-Colombia Border Region | 2000/11/08 06:59:58 GMT | (7.0, -77.8) | 17 km | 6.0 MB, 6.4 MS, 6.5 MW, 6.2 ML |
| 81.70184 | 64.4 deg | 277.14 deg | Near West Coast Of Colombia | 2007/09/10 01:49:14 GMT | (3.0, -78.0) | 31 km | 6.1 MB, 6.7 MS, 6.8 MW |
| 81.64526 | 51.3 deg | 248.232 deg | Southern Bolivia | 1997/01/23 02:15:22 GMT | (-22.0, -65.7) | 276 km | 6.4 MB, 7.1 UNKNOWN, 7.1 MW |
| 81.00491 | 56.4 deg | 36.246 deg | Southern Greece | 2006/01/08 11:34:55 GMT | (36.3, 23.2) | 66 km | 6.5 MB, 6.7 MW, 6.7 MW |
| 80.6843 | 55.6 deg | 246.478 deg | Near Coast Of Northern Chile | 1996/04/19 00:19:31 GMT | (-23.9, -70.1) | 50 km | 6.0 MB, 6.1 MS, 6.6 UNKNOWN, 6.5 ME |
| 80.64272 | 62.4 deg | 278.621 deg | Colombia | 1997/12/11 07:56:28 GMT | (3.9, -75.8) | 178 km | 6.0 MB, 6.4 UNKNOWN, 6.3 MW |
| 80.221 | 62.1 deg | 229.993 deg | Off Coast Of Central Chile | 2000/12/20 11:23:54 GMT | (-39.0, -74.7) | 11 km | 6.1 MB, 6.2 MS, 6.4 MW, 6.0 ME |
| 80.046 | 46.6 deg | 327.526 deg | Northern Mid-Atlantic Ridge | 2006/01/20 08:53:52 GMT | (31.1, -41.4) | 10 km | 5.5 MB, 5.4 MS, 5.7 MW, 5.6 MW |
Losers
(38 events)| Radial Match | Distance | Baz | FERegion | Time | Lat/Lon | Depth | Magnitude | Reason |
| 79.34148 | 62.3 deg | 278.541 deg | Colombia | 1997/09/02 12:13:22 GMT | (3.8, -75.7) | 199 km | 6.5 MB, 6.8 UNKNOWN, 6.4 ME | |
| 78.50186 | 33.4 deg | 303.428 deg | Northern Mid-Atlantic Ridge | 1996/06/02 02:52:09 GMT | (10.8, -42.3) | 10 km | 6.1 MB, 6.9 MS, 7.0 UNKNOWN, 6.8 MW | |
| 78.27187 | 59.8 deg | 280.55 deg | Colombia | 1995/01/19 15:05:03 GMT | (5.1, -72.9) | 18 km | 6.4 MB, 6.6 MS, 6.5 UNKNOWN, 6.5 MW | |
| 77.21142 | 62.0 deg | 269.258 deg | Northern Peru | 1997/10/28 06:15:17 GMT | (-4.4, -76.7) | 112 km | 6.6 MB, 6.3 MS, 7.2 UNKNOWN, 6.6 ME | |
| 77.093475 | 62.5 deg | 279.925 deg | Colombia | 1995/08/19 21:43:32 GMT | (5.1, -75.7) | 125 km | 6.1 MB, 6.6 UNKNOWN, 6.5 MW | |
| 75.53105 | 86.8 deg | 287.392 deg | Near Coast Of Guerrero, Mexico | 1995/09/14 14:04:31 GMT | (16.8, -98.6) | 21 km | 6.4 MB, 7.2 MS, 7.2 UNKNOWN, 7.5 MW | |
| 72.96051 | 82.0 deg | 288.298 deg | Chiapas, Mexico | 1995/10/21 02:38:57 GMT | (16.9, -93.5) | 161 km | 6.2 MB, 7.3 UNKNOWN, 7.3 MW | |
| 72.86451 | 62.4 deg | 269.794 deg | Northern Peru | 1995/05/02 06:06:05 GMT | (-3.9, -77.0) | 103 km | 6.5 MB, 6.7 UNKNOWN, 6.6 MW | |
| 72.829865 | 66.6 deg | 271.252 deg | Off Coast Of Ecuador | 1996/08/05 21:39:16 GMT | (-2.0, -81.0) | 33 km | 5.7 MB, 5.9 MS, 6.2 UNKNOWN, 6.2 MW | |
| 70.95406 | 50.4 deg | 250.511 deg | Southern Bolivia | 2008/10/12 20:55:41 GMT | (-20.1, -65.0) | 353 km | 6.0 MB, 6.2 MW, 6.2 MW | |
| 70.39383 | 57.8 deg | 238.398 deg | Near Coast Of Central Chile | 1998/01/12 10:14:07 GMT | (-31.0, -71.4) | 35 km | 5.8 MB, 6.2 MS, 6.6 UNKNOWN, 6.2 ME | |
| 67.42765 | 54.6 deg | 254.224 deg | Peru-Bolivia Border Region | 1994/12/12 07:41:55 GMT | (-17.5, -69.7) | 151 km | 5.8 MB, 6.1 UNKNOWN, 6.3 MW | |
| 65.86305 | 63.5 deg | 262.198 deg | Near Coast Of Peru | 1995/09/23 22:31:58 GMT | (-10.5, -78.7) | 73 km | 5.9 MB, 6.5 UNKNOWN, 6.4 MW | |
| 65.38599 | 63.2 deg | 279.165 deg | Colombia | 1997/02/19 18:25:12 GMT | (4.6, -76.5) | 101 km | 5.5 MB, 5.8 UNKNOWN, 5.7 MW | |
| 64.76414 | 97.2 deg | 60.227 deg | Western Xizang-India Border Reg. | 1999/03/28 19:05:11 GMT | (30.5, 79.4) | 15 km | 6.4 MB, 6.6 MS, 6.6 MW, 6.5 ME | |
| 63.61734 | 49.9 deg | 241.705 deg | Santiago Del Estero Prov., Arg. | 2008/09/03 11:25:14 GMT | (-26.7, -63.2) | 570 km | 5.9 MB, 6.3 MW, 6.3 MW | |
| 63.234524 | 59.1 deg | 230.071 deg | S. Chile-Argentina Border Region | 1998/12/14 16:25:24 GMT | (-38.2, -71.0) | 138 km | 6.0 UNKNOWN, 4.8 MS, 5.4 MB | |
| 62.804367 | 55.4 deg | 241.07 deg | Chile-Argentina Border Region | 1995/08/03 08:18:53 GMT | (-28.3, -69.2) | 104 km | 5.9 MB, 5.8 UNKNOWN, 5.9 MW | |
| 62.50146 | 75.1 deg | 284.908 deg | Near Coast Of Nicaragua | 1997/05/08 14:01:10 GMT | (12.3, -87.2) | 59 km | 5.6 UNKNOWN, 5.3 MB | |
| 62.062004 | 55.9 deg | 246.97 deg | Near Coast Of Northern Chile | 1994/12/10 03:39:31 GMT | (-23.6, -70.5) | 37 km | 5.7 MB, 5.6 MS, 5.3 UNKNOWN, 6.2 MW | |
| 60.781025 | 63.3 deg | 278.694 deg | Colombia | 1995/02/08 18:40:25 GMT | (4.2, -76.6) | 69 km | 6.3 MB, 6.4 UNKNOWN, 6.0 MD | |
| 60.715584 | 33.6 deg | 303.075 deg | Northern Mid-Atlantic Ridge | 1995/02/02 12:53:53 GMT | (10.8, -42.6) | 10 km | 5.6 MB, 5.4 MS, 5.8 UNKNOWN | |
| 60.483936 | 59.2 deg | 228.916 deg | Southern Argentina | 1994/10/20 01:15:16 GMT | (-39.2, -70.8) | 164 km | 5.7 MB, 5.9 UNKNOWN, 6.2 MW | |
| 60.22213 | 60.9 deg | 257.868 deg | Near Coast Of Peru | 1997/02/09 12:32:36 GMT | (-14.5, -76.3) | 33 km | 5.7 MB, 5.8 MS, 6.1 UNKNOWN, 6.1 MW | |
| 60.064587 | 59.4 deg | 265.249 deg | Peru-Brazil Border Region | 1996/04/24 17:06:36 GMT | (-8.1, -74.4) | 151 km | 5.6 MB, 5.6 UNKNOWN, 5.6 MW | |
| 57.905098 | 56.6 deg | 299.091 deg | Virgin Islands | 2008/10/11 10:40:14 GMT | (19.2, -64.8) | 23 km | 6.1 MB, 5.9 MS, 6.1 MW, 6.0 MW | |
| 54.86763 | 89.6 deg | 288.364 deg | Guerrero, Mexico | 1994/12/10 16:17:41 GMT | (18.2, -101.4) | 67 km | 6.5 MB, 6.6 UNKNOWN, 6.5 MW | |
| 54.64762 | 63.5 deg | 208.044 deg | Drake Passage | 1995/01/03 16:11:59 GMT | (-57.7, -66.0) | 33 km | 6.1 MB, 5.6 MS, 6.1 UNKNOWN, 5.9 MW | |
| 53.90564 | 58.1 deg | 237.371 deg | Near Coast Of Central Chile | 1996/09/09 00:20:39 GMT | (-31.9, -71.6) | 39 km | 6.0 MB, 5.5 MS, 6.0 UNKNOWN, 5.8 ME | |
| 52.280155 | 54.4 deg | 253.172 deg | Northern Chile | 1997/04/01 18:42:14 GMT | (-18.4, -69.3) | 116 km | 5.8 MB, 6.2 UNKNOWN, 6.2 MW | |
| 52.26507 | 53.6 deg | 250.775 deg | Chile-Bolivia Border Region | 1997/12/09 14:23:45 GMT | (-20.2, -68.4) | 133 km | 5.7 MB, 5.7 UNKNOWN, 5.7 MW | |
| 52.264046 | 56.2 deg | 255.964 deg | Southern Peru | 1998/10/08 04:51:42 GMT | (-16.1, -71.4) | 136 km | 6.1 MB, 6.4 UNKNOWN, 6.2 MW | |
| 48.241917 | 54.5 deg | 253.249 deg | Northern Chile | 1997/04/01 18:33:32 GMT | (-18.3, -69.5) | 114 km | 5.9 MB, 6.2 UNKNOWN, 6.1 MW | |
| 48.138542 | 94.3 deg | 242.286 deg | Easter Island Region | 1998/11/17 03:16:08 GMT | (-26.8, -113.3) | 10 km | 5.4 MB, 5.5 MS | |
| 45.16248 | 62.4 deg | 279.22 deg | Colombia | 1999/01/25 18:19:16 GMT | (4.5, -75.7) | 17 km | 5.9 MB, 5.7 MS, 6.3 ME, 6.2 MW | |
| 43.19268 | 49.6 deg | 188.627 deg | South Sandwich Islands Region | 1996/05/30 03:04:37 GMT | (-56.7, -26.3) | 84 km | 5.7 MB, 6.1 UNKNOWN, 5.3 MW | |
| 39.581596 | 94.1 deg | 49.318 deg | Kyrgyzstan | 1997/01/09 13:43:31 GMT | (41.0, 74.3) | 22 km | 5.7 MB, 5.8 MS, 5.7 UNKNOWN, 5.7 MW | |
| 38.146873 | 58.6 deg | 235.343 deg | Near Coast Of Central Chile | 1996/02/22 13:40:53 GMT | (-33.7, -71.7) | 44 km | 5.9 MB, 5.5 MS, 6.0 UNKNOWN, 5.9 MW |
