Station HV ERZ4 - East Rift Zone 4 Temporary
Network: HV - Hawaiian Volcano Observatory Network
Nearby stations (2 deg radius)
| Station | Name | (Lat, Lon) | Start / End | Elevation |
| ERZ4 | East Rift Zone 4 Temporary | (19.52, -154.86) | 2018-05-16 / 2599-12-31 | 80 m |
| Crust2 Type: | B6,thick melt affected o.c., 0.5 km seds. |
| Thickness Estimate: | 34 km |
| Thickness StdDev: | 11 km |
| Vp/Vs Estimate: | 1.63 |
| Vp/Vs StdDev: | 0.13 |
| Vs Estimate: | 3.187 km/s |
| Poisson's Ratio: | 0.20 |
| Peak Value: | 0.02 |
| Assumed Vp: | 5.195 km/s |
| Ps Weight: | 0.33333334 |
| PpPs Weight: | 0.33333334 |
| PsPs Weight: | 0.33333328 |
| Residual Complexity: | 0.798 |
| Nearby stations H: | +- |
| (2.0 deg) Vp/Vs: | +- |
1 with match > 90% ( 0.990099 %) and 11 with match > 80% ( 10.891089 %) 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 | 34 km | 1.63 | 5.195 km/s | 3.187 km/s | 0.20 | |
| Crust2.0 | 24 km | 1.98 | 5.195 km/s | 2.627 km/s | 0.33 | B6,thick melt affected o.c., 0.5 km seds. |
| Global Maxima | 34 km | 1.63 | 5.195 km/s | 3.187 km/s | 0.20 | amp=0.01660587 |
| Local Maxima 1 | 39 km | 1.65 | 5.195 km/s | 3.139 km/s | 0.21 | amp=0.014345622 |
| Local Maxima 2 | 65 km | 2.10 | 5.195 km/s | 2.477 km/s | 0.35 | amp=0.013606192 |
| Local Maxima 3 | 28 km | 1.73 | 5.195 km/s | 3.007 km/s | 0.25 | amp=0.010944159 |
| Local Maxima 4 | 47 km | 1.60 | 5.195 km/s | 3.247 km/s | 0.18 | amp=0.008780906 |
| Predicted Arrivals for vertical incidence (zero ray parameter) | |
| Ps | 4.12 SECOND |
| PpPs | 17.21 SECOND |
| PsPs/PpSs | 21.34 SECOND |
Events Processed for this Station
Download zip of receiver functions as SAC
Plot maxima for each earthquake.
Events Used in the Stack
(11 events)| Radial Match | Distance | Baz | FERegion | Time | Lat/Lon | Depth | Magnitude |
| 91.484726 | 82.2 deg | 99.07 deg | Northern Peru | 2019/05/26 07:41:13 UTC | (-5.9, -75.3) | 105 km | 7.5 Mi |
| 88.37964 | 56.0 deg | 83.603 deg | Near Coast Of Oaxaca, Mexico | 2020/06/23 15:29:04 UTC | (15.9, -95.9) | 20 km | 7.4 mww |
| 85.40147 | 47.9 deg | 319.177 deg | East Of Kuril Islands | 2020/03/25 02:49:21 UTC | (49.0, 157.7) | 57 km | 7.5 Mww |
| 84.99819 | 35.8 deg | 356.34 deg | Alaska Peninsula | 2020/07/22 06:12:44 UTC | (55.2, -158.6) | 13 km | 7.4 Mi |
| 83.652626 | 62.7 deg | 249.907 deg | Eastern New Guinea Reg., P.N.G. | 2020/07/17 02:50:23 UTC | (-7.8, 147.8) | 85 km | 6.9 mww |
| 83.278496 | 56.9 deg | 202.968 deg | South Of Kermadec Islands | 2020/06/18 12:49:53 UTC | (-33.3, -177.8) | 10 km | 7.4 Mww |
| 82.854225 | 53.6 deg | 204.974 deg | Kermadec Islands, New Zealand | 2021/03/04 17:41:25 UTC | (-29.6, -177.8) | 56 km | 7.4 mww |
| 80.54619 | 79.3 deg | 96.185 deg | Peru-Ecuador Border Region | 2019/02/22 10:17:22 UTC | (-2.2, -77.0) | 132 km | 7.5 mww |
| 80.34303 | 53.5 deg | 219.277 deg | Southeast Of Loyalty Islands | 2021/02/10 13:19:55 UTC | (-23.1, 171.6) | 10 km | 7.7 mww |
| 80.270515 | 61.7 deg | 202.936 deg | Off E. Coast Of N. Island, N.Z. | 2021/03/04 13:27:35 UTC | (-37.6, 179.5) | 10 km | 6.9 mww |
| 80.12382 | 43.9 deg | 212.789 deg | Fiji Islands Region | 2018/08/19 00:19:37 UTC | (-18.2, -178.1) | 563 km | 8.2 mww |
Losers
(90 events)| Radial Match | Distance | Baz | FERegion | Time | Lat/Lon | Depth | Magnitude | Reason |
| 97.23383 | 52.6 deg | 204.451 deg | Kermadec Islands Region | 2021/03/04 19:43:45 UTC | (-28.9, -176.9) | 10 km | 5.6 mb | |
| 82.74723 | 34.6 deg | 46.167 deg | Northern California | 2020/03/25 02:58:37 UTC | (40.3, -122.4) | 65 km | 5.4 Mw | |
| 79.4577 | 46.7 deg | 329.051 deg | Komandorskiye Ostrova Region | 2018/12/20 17:09:04 UTC | (54.9, 164.8) | 10 km | 5.9 mb | |
| 76.877846 | 41.9 deg | 3.558 deg | Southern Alaska | 2018/11/30 17:29:28 UTC | (61.3, -149.9) | 43 km | 6.6 ml | |
| 75.03827 | 45.3 deg | 215.302 deg | Fiji Islands | 2018/09/06 15:49:17 UTC | (-18.4, 179.5) | 669 km | 8.1 Mi | |
| 73.79279 | 37.6 deg | 359.83 deg | Alaska Peninsula | 2021/02/13 13:08:55 UTC | (57.1, -155.1) | 39 km | 5.3 Mww | |
| 71.40555 | 58.1 deg | 250.135 deg | New Britain Region, P.N.G. | 2020/08/25 19:04:41 UTC | (-5.6, 151.8) | 10 km | 5.5 mb | |
| 71.28845 | 76.8 deg | 278.011 deg | Samar, Philippines | 2019/04/23 05:37:52 UTC | (11.8, 125.2) | 54 km | 6.4 Mww | |
| 70.78874 | 63.5 deg | 251.419 deg | Eastern New Guinea Reg., P.N.G. | 2019/05/06 21:19:37 UTC | (-7.0, 146.4) | 146 km | 7.1 mww | |
| 70.11693 | 79.0 deg | 259.162 deg | Banda Sea | 2019/06/24 02:53:39 UTC | (-6.4, 129.2) | 212 km | 7.3 mww | |
| 69.34468 | 49.2 deg | 233.519 deg | Santa Cruz Islands | 2020/05/12 22:41:12 UTC | (-12.1, 166.6) | 107 km | 6.6 mww | |
| 68.93349 | 71.1 deg | 75.648 deg | Cuba Region | 2020/01/28 19:10:23 UTC | (19.3, -78.8) | 10 km | 7.3 Mi | |
| 67.77337 | 42.6 deg | 206.693 deg | Tonga Islands | 2020/10/01 01:13:39 UTC | (-19.1, -173.6) | 10 km | 6.7 Mi | |
| 67.654434 | 62.9 deg | 84.927 deg | El Salvador | 2019/05/30 09:03:31 UTC | (13.1, -89.4) | 10 km | 6.6 Mi | |
| 67.32787 | 43.2 deg | 207.206 deg | Tonga Islands | 2020/10/01 01:13:37 UTC | (-19.5, -174.2) | 35 km | 6.4 Mww | |
| 65.65653 | 54.8 deg | 204.521 deg | Kermadec Islands, New Zealand | 2019/06/15 22:55:02 UTC | (-30.8, -178.1) | 35 km | 7.4 Mwp | |
| 64.82373 | 58.6 deg | 250.015 deg | New Britain Region, P.N.G. | 2018/10/10 20:48:20 UTC | (-5.9, 151.4) | 33 km | 7.3 Mi | |
| 64.5152 | 39.2 deg | 209.338 deg | Tonga Islands | 2020/11/07 09:27:04 UTC | (-15.3, -173.6) | 29 km | 6.1 Mww | |
| 64.383766 | 71.5 deg | 88.476 deg | Panama | 2020/07/15 21:39:40 UTC | (7.5, -81.9) | 5.7 km | 5.8 mww | |
| 63.338486 | 76.7 deg | 270.639 deg | Philippine Islands Region | 2021/01/21 12:23:05 UTC | (5.0, 127.5) | 96 km | 7.0 mww | |
| 62.83856 | 55.0 deg | 277.194 deg | Mariana Islands Region | 2018/08/28 22:35:14 UTC | (16.8, 147.1) | 53 km | 6.6 Mi | |
| 62.748817 | 56.2 deg | 205.105 deg | Kermadec Islands Region | 2018/09/10 04:19:02 UTC | (-31.8, -179.3) | 111 km | 6.9 mww | |
| 62.198624 | 49.6 deg | 317.689 deg | Kuril Islands | 2018/08/10 18:12:05 UTC | (48.5, 154.8) | 16 km | 5.9 Mww | |
| 61.600037 | 42.8 deg | 213.64 deg | Fiji Islands Region | 2018/08/19 04:28:58 UTC | (-17.0, -178.0) | 416 km | 6.8 mww | |
| 61.163094 | 52.1 deg | 224.989 deg | Vanuatu Islands | 2018/07/13 09:46:49 UTC | (-18.9, 169.0) | 169 km | 6.4 Mww | |
| 61.142147 | 33.1 deg | 37.363 deg | Off Coast Of Oregon | 2019/08/29 15:08:00 UTC | (43.6, -127.8) | 12 km | 6.4 Mi | |
| 61.049377 | 56.4 deg | 280.173 deg | Mariana Islands | 2020/06/13 21:08:30 UTC | (18.9, 145.1) | 622 km | 6.2 Mww | |
| 61.034637 | 48.8 deg | 322.496 deg | Near East Coast Of Kamchatka | 2018/07/06 01:40:08 UTC | (51.6, 157.9) | 80 km | 6.1 Mwp | |
| 60.352005 | 52.8 deg | 312.931 deg | Kuril Islands | 2020/02/13 10:33:44 UTC | (45.6, 148.9) | 144 km | 7.0 mww | |
| 60.26682 | 84.4 deg | 260.937 deg | Banda Sea | 2020/08/21 04:09:52 UTC | (-6.7, 123.5) | 627 km | 6.9 mww | |
| 60.16585 | 85.7 deg | 268.543 deg | Minahassa Peninsula, Sulawesi | 2018/09/28 13:35:30 UTC | (0.1, 119.7) | 10 km | 5.7 Ms_20 | |
| 60.146652 | 81.8 deg | 267.158 deg | Minahassa Peninsula, Sulawesi | 2020/06/23 07:43:28 UTC | (0.1, 123.8) | 102 km | 5.9 mww | |
| 59.81166 | 36.7 deg | 335.642 deg | Andreanof Islands, Aleutian Is. | 2018/08/15 21:56:54 UTC | (51.4, -178.1) | 20 km | 6.6 Mww | |
| 59.706993 | 79.4 deg | 291.118 deg | Taiwan Region | 2018/11/25 23:57:25 UTC | (23.4, 118.6) | 13 km | 5.7 Mww | |
| 59.297615 | 85.8 deg | 268.088 deg | Minahassa Peninsula, Sulawesi | 2018/09/28 07:00:01 UTC | (-0.4, 119.8) | 18 km | 6.1 Mww | |
| 59.268562 | 47.7 deg | 330.264 deg | Komandorskiye Ostrova Region | 2019/06/26 02:18:07 UTC | (56.2, 164.1) | 10 km | 6.4 Mww | |
| 59.21855 | 83.6 deg | 265.781 deg | Sulawesi, Indonesia | 2019/04/12 11:40:49 UTC | (-1.9, 122.6) | 17 km | 6.8 Mww | |
| 59.10501 | 46.6 deg | 329.016 deg | Komandorskiye Ostrova Region | 2018/12/20 17:01:56 UTC | (54.8, 164.8) | 33 km | 7.3 Mi | |
| 58.431293 | 75.7 deg | 97.333 deg | Near Coast Of Ecuador | 2019/03/31 07:04:04 UTC | (-2.0, -80.8) | 19 km | 6.2 Mww | |
| 58.39181 | 50.8 deg | 229.227 deg | Vanuatu Islands | 2019/03/20 15:23:59 UTC | (-15.6, 167.6) | 125 km | 6.2 Mww | |
| 57.683743 | 65.2 deg | 79.972 deg | North Of Honduras | 2020/08/10 14:13:27 UTC | (16.9, -85.9) | 10 km | 5.7 Mww | |
| 57.415195 | 58.0 deg | 302.152 deg | Near East Coast Of Honshu, Japan | 2018/07/31 08:42:20 UTC | (37.2, 141.2) | 10 km | 5.4 Mww | |
| 57.329815 | 40.1 deg | 210.766 deg | Tonga Islands | 2019/02/02 07:02:00 UTC | (-15.7, -174.9) | 260 km | 5.4 mww | |
| 56.875443 | 55.0 deg | 204.336 deg | Kermadec Islands Region | 2019/06/16 05:17:16 UTC | (-31.1, -178.0) | 35 km | 6.3 Mww | |
| 56.619305 | 54.7 deg | 315.27 deg | Northwest Of Kuril Islands | 2018/11/02 11:01:15 UTC | (47.8, 146.7) | 432 km | 5.9 Mww | |
| 56.34636 | 43.9 deg | 213.695 deg | Fiji Islands Region | 2019/03/10 08:12:25 UTC | (-17.8, -178.7) | 567 km | 6.2 Mww | |
| 56.22587 | 61.3 deg | 297.715 deg | Near S. Coast Of Honshu, Japan | 2019/07/27 18:31:07 UTC | (33.1, 137.3) | 367 km | 6.3 Mww | |
| 55.995834 | 57.6 deg | 205.048 deg | South Of Kermadec Islands | 2020/02/17 00:28:15 UTC | (-33.1, 179.9) | 149 km | 5.5 Mww | |
| 55.909054 | 51.8 deg | 323.156 deg | Sea Of Okhotsk | 2019/11/20 08:26:07 UTC | (53.2, 153.7) | 487 km | 6.3 Mww | |
| 55.65296 | 35.6 deg | 354.618 deg | Alaska Peninsula | 2020/07/27 19:34:37 UTC | (54.9, -160.3) | 39 km | 5.5 Mww | |
| 55.63777 | 51.6 deg | 322.595 deg | Northwest Of Kuril Islands | 2018/10/13 11:10:19 UTC | (52.7, 153.7) | 397 km | 6.7 Mi | |
| 54.877296 | 59.0 deg | 133.263 deg | Easter Island Region | 2020/08/15 06:40:38 UTC | (-22.7, -112.3) | 10 km | 5.7 mww | |
| 54.650055 | 51.8 deg | 211.388 deg | South Of Fiji Islands | 2018/09/16 21:11:48 UTC | (-25.5, 178.2) | 570 km | 6.5 Mww | |
| 53.43272 | 35.1 deg | 354.047 deg | Alaska Peninsula | 2018/07/18 19:06:03 UTC | (54.4, -160.7) | 28 km | 5.6 Mww | |
| 53.388878 | 52.4 deg | 227.304 deg | Vanuatu Islands | 2021/02/16 00:49:26 UTC | (-17.8, 167.5) | 10 km | 6.2 Mww | |
| 53.244648 | 88.1 deg | 261.497 deg | Flores Sea | 2018/08/17 15:35:02 UTC | (-7.4, 119.8) | 539 km | 6.5 Mww | |
| 53.123127 | 88.2 deg | 107.026 deg | Southern Peru | 2019/01/29 23:35:00 UTC | (-15.5, -72.4) | 109 km | 5.5 Mww | |
| 52.694336 | 44.0 deg | 212.621 deg | Fiji Islands Region | 2018/09/30 10:52:23 UTC | (-18.4, -178.1) | 551 km | 6.6 mww | |
| 52.4564 | 50.8 deg | 229.456 deg | Vanuatu Islands | 2019/07/01 17:13:29 UTC | (-15.5, 167.5) | 100 km | 6.0 Mww | |
| 52.27278 | 49.7 deg | 211.75 deg | South Of Fiji Islands | 2020/06/10 04:29:20 UTC | (-23.5, 179.2) | 539 km | 5.9 Mww | |
| 52.02216 | 69.9 deg | 87.57 deg | Costa Rica | 2018/08/17 23:22:24 UTC | (8.8, -83.2) | 15 km | 6.1 Mww | |
| 51.910038 | 95.1 deg | 265.394 deg | Java, Indonesia | 2019/09/19 07:06:33 UTC | (-6.1, 111.9) | 612 km | 6.2 Mww | |
| 51.81099 | 51.9 deg | 224.525 deg | Vanuatu Islands | 2019/10/21 02:52:29 UTC | (-19.0, 169.5) | 226 km | 6.4 Mww | |
| 51.27471 | 87.9 deg | 199.421 deg | Balleny Islands Region | 2020/08/03 21:16:19 UTC | (-61.4, 161.4) | 10 km | 5.6 Mww | |
| 51.12394 | 55.7 deg | 277.097 deg | Mariana Islands | 2019/08/18 18:00:29 UTC | (16.6, 146.4) | 34 km | 5.9 Mi | |
| 51.110348 | 44.0 deg | 213.915 deg | Fiji Islands Region | 2018/11/18 20:25:45 UTC | (-17.9, -178.9) | 534 km | 6.7 Mww | |
| 50.816273 | 43.9 deg | 213.346 deg | Fiji Islands Region | 2020/10/06 10:11:46 UTC | (-18.0, -178.5) | 629 km | 6.0 Mww | |
| 50.505264 | 58.1 deg | 82.981 deg | Near Coast Of Chiapas, Mexico | 2019/08/12 20:39:35 UTC | (16.0, -93.7) | 92 km | 5.5 Mww | |
| 50.468346 | 67.8 deg | 257.245 deg | Irian Jaya, Indonesia | 2018/12/16 09:42:37 UTC | (-3.9, 140.3) | 61 km | 6.1 Mww | |
| 50.190212 | 50.3 deg | 230.841 deg | Vanuatu Islands | 2019/08/24 15:51:27 UTC | (-14.3, 167.2) | 115 km | 6.0 Mww | |
| 49.467617 | 78.5 deg | 258.542 deg | Banda Sea | 2020/05/06 13:53:56 UTC | (-6.8, 129.9) | 107 km | 6.8 Mww | |
| 48.704903 | 58.7 deg | 315.155 deg | Primor'ye, Russia | 2020/11/30 22:54:34 UTC | (48.3, 140.8) | 587 km | 6.4 mww | |
| 47.883183 | 92.4 deg | 109.805 deg | Northern Chile | 2020/08/03 11:56:52 UTC | (-19.6, -69.3) | 104 km | 5.5 Mww | |
| 47.246166 | 80.9 deg | 262.625 deg | Buru, Indonesia | 2020/08/07 03:00:39 UTC | (-3.9, 126.2) | 10 km | 5.3 Mww | |
| 46.859932 | 49.7 deg | 208.878 deg | South Of Fiji Islands | 2019/04/23 14:20:17 UTC | (-24.7, -178.8) | 386 km | 6.0 Mww | |
| 46.5536 | 74.4 deg | 258.309 deg | Aru Islands Region, Indonesia | 2019/01/26 08:12:48 UTC | (-5.5, 133.8) | 10 km | 5.8 Mww | |
| 46.378155 | 77.6 deg | 96.988 deg | Ecuador | 2018/09/07 02:12:04 UTC | (-2.3, -78.9) | 94 km | 6.2 Mww | |
| 46.297165 | 91.1 deg | 261.564 deg | Sumbawa Region, Indonesia | 2018/08/25 18:33:16 UTC | (-8.4, 116.9) | 10 km | 5.7 Mww | |
| 45.831696 | 50.9 deg | 228.431 deg | Vanuatu Islands | 2019/07/31 15:02:33 UTC | (-16.2, 167.9) | 179 km | 6.6 mww | |
| 44.44946 | 52.2 deg | 225.081 deg | Vanuatu Islands | 2018/07/22 21:21:57 UTC | (-18.9, 168.9) | 100 km | 5.5 Mww | |
| 44.1734 | 45.0 deg | 82.743 deg | Off Coast Of Jalisco, Mexico | 2019/05/31 11:57:24 UTC | (18.7, -107.2) | 10 km | 5.8 Mww | |
| 43.963345 | 44.0 deg | 205.627 deg | Tonga Islands | 2020/09/06 14:55:19 UTC | (-20.7, -173.6) | 10 km | 5.5 mww | |
| 43.626186 | 65.5 deg | 255.901 deg | New Guinea, Papua New Guinea | 2019/03/06 18:47:25 UTC | (-4.1, 142.9) | 129 km | 5.6 Mww | |
| 43.162167 | 53.9 deg | 124.002 deg | Central East Pacific Rise | 2019/09/26 19:00:41 UTC | (-13.4, -111.4) | 10 km | 5.5 Mwb | |
| 42.640396 | 56.9 deg | 272.093 deg | South Of Mariana Islands | 2018/09/23 05:52:11 UTC | (12.2, 146.2) | 10 km | 5.9 Mww | |
| 42.098934 | 86.4 deg | 99.875 deg | Western Brazil | 2019/01/05 19:25:38 UTC | (-8.1, -71.6) | 575 km | 6.8 Mww | |
| 40.797085 | 96.4 deg | 301.642 deg | Myanmar-India Border Region | 2018/11/28 10:17:06 UTC | (27.2, 96.9) | 11 km | 5.4 Mww | |
| 38.570168 | 57.2 deg | 305.903 deg | Near East Coast Of Honshu, Japan | 2019/01/26 08:23:02 UTC | (40.3, 142.2) | 37 km | 5.5 Mww | |
| 37.66393 | 51.0 deg | 237.838 deg | Solomon Islands | 2018/11/16 03:26:55 UTC | (-10.5, 163.1) | 11 km | 6.2 mww | |
| 36.77647 | 77.1 deg | 287.269 deg | Philippine Islands Region | 2020/04/10 16:44:55 UTC | (20.4, 122.1) | 149 km | 5.9 mww |
