Station MB HRY - Helena York Bridge
Network: MB - Montana Regional Seismic Network
Nearby stations (2 deg radius)
| Station | Name | (Lat, Lon) | Start / End | Elevation |
| HRY | Helena York Bridge | (46.71, -111.83) | 2001-08-15 / 2499-01-01 | 1344 m |
| Crust2 Type: | P4,orogen/50km, Urals, Tethian Orogen, Rockies 1 km seds. |
| Thickness Estimate: | 36 km |
| Thickness StdDev: | 1.8 km |
| Vp/Vs Estimate: | 1.84 |
| Vp/Vs StdDev: | 0.05 |
| Vs Estimate: | 3.437 km/s |
| Poisson's Ratio: | 0.29 |
| Peak Value: | 0.02 |
| Assumed Vp: | 6.306 km/s |
| Ps Weight: | 0.33333334 |
| PpPs Weight: | 0.33333334 |
| PsPs Weight: | 0.33333328 |
| Residual Complexity: | 0.539 |
| Nearby stations H: | +- |
| (2.0 deg) Vp/Vs: | +- |
7 with match > 90% ( 6.3063064 %) and 22 with match > 80% ( 19.81982 %) out of 111.
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 | 36 km | 1.84 | 6.306 km/s | 3.437 km/s | 0.29 | |
| Crust2.0 | 50 km | 1.76 | 6.306 km/s | 3.584 km/s | 0.26 | P4,orogen/50km, Urals, Tethian Orogen, Rockies 1 km seds. |
| Global Maxima | 36 km | 1.84 | 6.306 km/s | 3.437 km/s | 0.29 | amp=0.020680338 |
| Local Maxima 1 | 26 km | 2.10 | 6.306 km/s | 3.006 km/s | 0.35 | amp=0.0094442 |
| Local Maxima 2 | 34 km | 1.90 | 6.306 km/s | 3.31 km/s | 0.31 | amp=0.007817298 |
| Local Maxima 3 | 30 km | 1.91 | 6.306 km/s | 3.306 km/s | 0.31 | amp=0.0063820537 |
| Local Maxima 4 | 47 km | 1.64 | 6.306 km/s | 3.839 km/s | 0.21 | amp=0.0050999876 |
| Predicted Arrivals for vertical incidence (zero ray parameter) | |
| Ps | 4.77 SECOND |
| PpPs | 16.18 SECOND |
| PsPs/PpSs | 20.95 SECOND |
Events Processed for this Station
Download zip of receiver functions as SAC
Plot maxima for each earthquake.
Events Used in the Stack
(22 events)| Radial Match | Distance | Baz | FERegion | Time | Lat/Lon | Depth | Magnitude |
| 97.6711 | 75.9 deg | 310.021 deg | Near West Coast Of Honshu, Japan | 2024/01/01 07:10:10 UTC | (37.5, 137.2) | 0.0 km | 7.4 Mi |
| 94.31985 | 84.7 deg | 292.164 deg | Mariana Islands | 2024/04/05 11:03:16 UTC | (19.1, 145.4) | 222 km | 6.8 mww |
| 93.072845 | 91.9 deg | 352.114 deg | Kyrgyzstan-Xinjiang Border Reg. | 2024/01/22 18:09:04 UTC | (41.3, 78.6) | 13 km | 7.0 Mww |
| 92.47085 | 70.7 deg | 141.745 deg | Near Coast Of Peru | 2024/06/28 05:36:37 UTC | (-15.8, -74.4) | 28 km | 7.2 mww |
| 91.54641 | 94.5 deg | 312.531 deg | Taiwan | 2024/04/03 00:35:36 UTC | (24.2, 121.7) | 10 km | 5.7 mb |
| 91.147865 | 94.8 deg | 312.455 deg | Taiwan | 2024/04/02 23:58:11 UTC | (23.8, 121.6) | 35 km | 7.4 mww |
| 90.148544 | 75.9 deg | 309.968 deg | Near West Coast Of Honshu, Japan | 2024/06/02 21:31:38 UTC | (37.5, 137.2) | 4.8 km | 5.8 mww |
| 89.84827 | 41.3 deg | 302.727 deg | Andreanof Islands, Aleutian Is. | 2023/10/16 11:35:31 UTC | (52.4, -176.9) | 187 km | 6.4 Mww |
| 88.73895 | 86.2 deg | 288.905 deg | Mariana Islands | 2024/04/02 09:54:09 UTC | (15.8, 146.9) | 10 km | 6.2 mww |
| 87.77851 | 37.8 deg | 300.571 deg | Fox Islands, Aleutian Islands | 2024/05/19 09:35:24 UTC | (52.2, -170.9) | 28 km | 6.0 mww |
| 87.37261 | 86.6 deg | 238.317 deg | Tonga Islands | 2023/12/11 06:33:31 UTC | (-18.7, -175.5) | 238 km | 6.1 Mww |
| 87.14024 | 85.1 deg | 291.612 deg | Mariana Islands | 2024/01/20 15:48:41 UTC | (18.5, 145.6) | 195 km | 6.1 mww |
| 86.520226 | 86.8 deg | 237.429 deg | Tonga Islands | 2024/05/26 20:47:09 UTC | (-19.4, -174.9) | 112 km | 6.6 mww |
| 85.9579 | 80.0 deg | 303.169 deg | Southeast Of Honshu, Japan | 2023/10/05 01:59:58 UTC | (30.0, 139.9) | 10 km | 6.1 mww |
| 84.76847 | 36.1 deg | 146.73 deg | Near Coast Of Chiapas, Mexico | 2024/05/12 11:39:14 UTC | (14.5, -92.4) | 75 km | 6.4 mww |
| 83.837944 | 55.1 deg | 82.137 deg | Northern Mid-Atlantic Ridge | 2024/06/03 06:41:51 UTC | (29.6, -42.8) | 10 km | 5.9 mww |
| 82.9583 | 83.5 deg | 145.166 deg | Near Coast Of Central Chile | 2023/10/31 12:33:44 UTC | (-28.7, -71.6) | 41 km | 6.7 mww |
| 82.55431 | 73.2 deg | 307.309 deg | Near East Coast Of Honshu, Japan | 2024/04/04 03:16:31 UTC | (37.7, 141.9) | 40 km | 6.1 Mww |
| 82.40023 | 81.8 deg | 301.997 deg | Bonin Islands, Japan Region | 2024/04/27 08:35:34 UTC | (27.8, 139.6) | 503 km | 6.5 mww |
| 80.72773 | 54.8 deg | 114.456 deg | Near Coast Of Venezuela | 2024/06/23 03:58:00 UTC | (10.8, -62.6) | 87 km | 6.0 mww |
| 80.411385 | 37.1 deg | 144.21 deg | Guatemala | 2024/01/27 05:52:49 UTC | (14.1, -90.5) | 108 km | 6.1 Mww |
| 80.19483 | 81.5 deg | 179.133 deg | Southern East Pacific Rise | 2024/02/23 01:51:12 UTC | (-35.1, -110.8) | 2.0 km | 6.3 Mww |
Losers
(89 events)| Radial Match | Distance | Baz | FERegion | Time | Lat/Lon | Depth | Magnitude | Reason |
| 79.9154 | 84.2 deg | 295.97 deg | Volcano Islands, Japan Region | 2024/02/12 11:19:36 UTC | (22.0, 142.7) | 250 km | 6.1 mww | |
| 79.620636 | 83.1 deg | 144.789 deg | Near Coast Of Central Chile | 2024/02/11 21:14:43 UTC | (-28.2, -71.4) | 34 km | 5.4 Mww | |
| 79.05917 | 79.9 deg | 303.189 deg | Southeast Of Honshu, Japan | 2023/10/06 01:31:17 UTC | (30.0, 140.0) | 10 km | 6.1 mww | |
| 76.191414 | 78.5 deg | 94.23 deg | Central Mid-Atlantic Ridge | 2024/02/12 04:11:10 UTC | (5.5, -32.8) | 10 km | 5.5 Mww | |
| 75.820244 | 96.3 deg | 270.151 deg | New Ireland Region, P.N.G. | 2023/10/03 01:56:17 UTC | (-4.5, 153.7) | 86 km | 5.7 mww | |
| 75.02547 | 65.5 deg | 135.077 deg | Western Brazil | 2024/01/28 09:38:56 UTC | (-8.2, -71.4) | 609 km | 6.5 Mww | |
| 74.80527 | 97.4 deg | 246.03 deg | Southeast Of Loyalty Islands | 2024/04/19 09:18:01 UTC | (-21.9, 170.8) | 96 km | 5.7 mww | |
| 74.63366 | 87.2 deg | 147.407 deg | Near Coast Of Central Chile | 2023/11/06 13:51:10 UTC | (-33.1, -72.0) | 29 km | 5.2 Mww | |
| 74.51224 | 97.5 deg | 247.996 deg | Vanuatu Islands | 2023/12/07 12:56:30 UTC | (-20.7, 169.2) | 48 km | 7.1 Mww | |
| 74.418365 | 86.6 deg | 237.911 deg | Tonga Islands | 2024/01/18 22:12:20 UTC | (-18.9, -175.1) | 218 km | 6.4 Mww | |
| 73.74762 | 81.7 deg | 310.247 deg | Shikoku, Japan | 2024/04/17 14:14:45 UTC | (33.2, 132.4) | 26 km | 6.3 mww | |
| 72.91923 | 75.7 deg | 309.948 deg | Near West Coast Of Honshu, Japan | 2024/01/01 09:03:49 UTC | (37.6, 137.4) | 10 km | 5.5 mb | |
| 72.46932 | 94.9 deg | 312.391 deg | Taiwan | 2024/04/22 14:11:22 UTC | (23.7, 121.6) | 8.0 km | 5.8 mww | |
| 71.808846 | 68.6 deg | 142.943 deg | Near Coast Of Peru | 2023/12/10 11:52:49 UTC | (-14.4, -76.5) | 10 km | 5.7 Mww | |
| 70.76156 | 84.5 deg | 291.456 deg | Mariana Islands | 2023/12/10 14:11:39 UTC | (18.8, 146.1) | 119 km | 5.7 mww | |
| 70.476105 | 87.9 deg | 240.952 deg | Fiji Islands Region | 2024/06/04 10:00:02 UTC | (-18.0, -178.4) | 586 km | 5.6 Mww | |
| 70.145805 | 70.9 deg | 183.989 deg | Southern East Pacific Rise | 2024/01/06 12:33:02 UTC | (-24.4, -116.0) | 10 km | 5.5 Mwb | |
| 69.28233 | 94.2 deg | 262.389 deg | Solomon Islands | 2023/11/07 07:47:09 UTC | (-8.3, 160.8) | 39 km | 5.5 mww | |
| 68.36802 | 59.2 deg | 137.996 deg | Northern Peru | 2024/06/18 02:22:09 UTC | (-3.9, -76.7) | 100 km | 5.5 Mww | |
| 68.09053 | 70.8 deg | 141.882 deg | Near Coast Of Peru | 2024/06/16 14:47:31 UTC | (-15.9, -74.5) | 20 km | 6.0 mww | |
| 68.03792 | 84.8 deg | 237.695 deg | Tonga Islands | 2023/10/27 03:02:24 UTC | (-17.6, -173.8) | 35 km | 5.6 mb | |
| 67.50136 | 84.0 deg | 238.381 deg | Tonga Islands | 2024/06/18 06:40:36 UTC | (-16.5, -173.8) | 35 km | 5.9 mww | |
| 67.484924 | 30.3 deg | 154.377 deg | Central Mexico | 2023/12/07 20:03:38 UTC | (18.4, -98.6) | 44 km | 5.8 mww | |
| 67.279655 | 86.0 deg | 238.586 deg | Tonga Islands | 2023/12/12 04:00:15 UTC | (-18.0, -175.3) | 261 km | 5.8 Mww | |
| 65.1962 | 79.7 deg | 303.197 deg | Southeast Of Honshu, Japan | 2023/10/06 13:15:27 UTC | (30.2, 140.1) | 10 km | 5.0 Mww | |
| 63.69447 | 49.8 deg | 313.182 deg | Komandorskiye Ostrova Region | 2023/10/26 16:05:11 UTC | (56.1, 164.7) | 2.4 km | 5.9 Mww | |
| 62.579117 | 78.0 deg | 140.848 deg | Near Coast Of Northern Chile | 2023/12/21 16:21:52 UTC | (-21.9, -70.1) | 63 km | 5.6 mww | |
| 61.41007 | 54.8 deg | 310.807 deg | Near East Coast Of Kamchatka | 2023/12/23 17:48:03 UTC | (52.0, 159.0) | 29 km | 5.8 Mww | |
| 61.302483 | 92.8 deg | 256.357 deg | Santa Cruz Islands | 2024/06/17 14:09:44 UTC | (-11.5, 166.2) | 49 km | 5.6 mww | |
| 61.20021 | 75.7 deg | 309.911 deg | Near West Coast Of Honshu, Japan | 2024/01/01 09:08:17 UTC | (37.5, 137.4) | 10 km | 5.6 mb | |
| 60.70402 | 64.6 deg | 134.726 deg | Western Brazil | 2024/01/20 21:31:07 UTC | (-7.3, -71.5) | 629 km | 6.5 Mww | |
| 60.287834 | 38.9 deg | 326.855 deg | Near N. Coast Of Eastern Siberia | 2024/05/06 11:11:57 UTC | (68.0, -177.6) | 9.3 km | 5.3 Mww | |
| 59.99702 | 83.6 deg | 145.206 deg | Near Coast Of Central Chile | 2024/02/14 01:31:41 UTC | (-28.9, -71.5) | 22 km | 6.0 mww | |
| 59.80286 | 91.0 deg | 13.811 deg | Caspian Sea | 2023/12/07 04:15:40 UTC | (41.2, 49.7) | 42 km | 5.4 Mww | |
| 59.2977 | 92.5 deg | 255.179 deg | Santa Cruz Islands | 2024/05/21 09:50:43 UTC | (-12.1, 167.3) | 248 km | 5.4 Mww | |
| 59.24783 | 45.1 deg | 247.328 deg | Hawaii | 2024/02/09 20:06:30 UTC | (19.0, -155.5) | 10 km | 6.3 Mi | |
| 59.089233 | 36.9 deg | 145.601 deg | Near Coast Of Guatemala | 2023/12/14 17:55:01 UTC | (14.0, -91.4) | 78 km | 5.4 Mww | |
| 58.64583 | 85.3 deg | 236.088 deg | Tonga Islands Region | 2024/06/17 14:05:11 UTC | (-19.0, -172.8) | 10 km | 5.6 Mww | |
| 58.55817 | 97.1 deg | 358.026 deg | Hindu Kush Region, Afghanistan | 2024/01/11 09:20:26 UTC | (36.5, 70.6) | 207 km | 6.4 Mww | |
| 58.056732 | 43.5 deg | 303.151 deg | Rat Islands, Aleutian Islands | 2024/02/28 15:50:21 UTC | (51.9, 179.6) | 119 km | 5.5 mww | |
| 57.388367 | 61.7 deg | 314.046 deg | Sea Of Okhotsk | 2024/06/06 11:07:53 UTC | (50.1, 147.6) | 622 km | 5.9 mww | |
| 56.92175 | 94.8 deg | 244.294 deg | Vanuatu Islands Region | 2023/11/28 07:39:35 UTC | (-21.1, 174.1) | 10 km | 5.8 Mww | |
| 56.871002 | 82.0 deg | 299.673 deg | Bonin Islands, Japan Region | 2024/05/21 00:39:37 UTC | (26.2, 141.4) | 38 km | 5.4 Mww | |
| 56.699203 | 52.9 deg | 19.97 deg | Norwegian Sea | 2023/12/13 20:20:10 UTC | (72.6, 3.5) | 10 km | 5.5 mww | |
| 55.952045 | 84.9 deg | 308.381 deg | Southeast Of Ryukyu Islands | 2024/04/15 22:38:57 UTC | (29.5, 131.7) | 8.0 km | 5.9 mww | |
| 55.76684 | 40.6 deg | 122.529 deg | Jamaica Region | 2023/10/30 15:57:20 UTC | (18.2, -76.6) | 10 km | 5.4 mww | |
| 55.417137 | 96.5 deg | 233.961 deg | Kermadec Islands, New Zealand | 2024/05/17 20:58:27 UTC | (-29.1, -178.5) | 196 km | 5.8 Mww | |
| 55.30029 | 95.4 deg | 261.047 deg | Solomon Islands | 2024/04/12 15:59:18 UTC | (-10.2, 160.9) | 42 km | 5.8 Mww | |
| 55.26487 | 95.2 deg | 260.735 deg | Solomon Islands | 2023/10/28 05:31:58 UTC | (-10.2, 161.3) | 69 km | 5.5 mww | |
| 55.163624 | 62.6 deg | 308.736 deg | Kuril Islands | 2023/11/10 10:10:04 UTC | (45.9, 151.0) | 107 km | 5.8 mww | |
| 55.161835 | 39.8 deg | 141.398 deg | Near Coast Of Nicaragua | 2024/03/17 00:44:03 UTC | (12.4, -87.7) | 53 km | 5.6 mww | |
| 54.7296 | 89.3 deg | 287.963 deg | South Of Mariana Islands | 2024/04/16 14:58:56 UTC | (12.9, 145.4) | 18 km | 5.4 mww | |
| 54.612453 | 94.2 deg | 252.723 deg | Vanuatu Islands | 2023/11/22 04:47:31 UTC | (-15.0, 168.0) | 13 km | 6.7 mww | |
| 54.34263 | 94.9 deg | 312.389 deg | Taiwan | 2024/05/06 09:45:30 UTC | (23.7, 121.6) | 20 km | 5.6 Mww | |
| 54.340622 | 87.9 deg | 241.646 deg | Fiji Islands Region | 2023/10/31 11:10:56 UTC | (-17.5, -179.0) | 548 km | 6.4 mww | |
| 54.27382 | 84.3 deg | 142.967 deg | La Rioja Province, Argentina | 2024/01/03 08:04:01 UTC | (-28.5, -68.9) | 155 km | 5.5 mww | |
| 53.82388 | 95.8 deg | 251.341 deg | Vanuatu Islands | 2024/05/25 22:23:16 UTC | (-17.1, 167.9) | 29 km | 6.3 mww | |
| 53.30995 | 98.1 deg | 271.047 deg | New Britain Region, P.N.G. | 2024/05/10 11:48:41 UTC | (-5.2, 151.8) | 40 km | 5.6 Mww | |
| 52.814335 | 97.8 deg | 344.827 deg | Xizang | 2024/06/01 00:46:37 UTC | (34.2, 86.4) | 13 km | 5.6 mb | |
| 52.79482 | 89.0 deg | 24.16 deg | Turkey | 2024/04/18 15:11:25 UTC | (40.0, 36.0) | 10 km | 5.6 Mww | |
| 52.611946 | 42.0 deg | 139.053 deg | Nicaragua | 2024/04/17 21:21:54 UTC | (11.1, -85.3) | 154 km | 5.5 mww | |
| 51.942425 | 51.0 deg | 169.623 deg | Central East Pacific Rise | 2024/05/13 02:46:59 UTC | (-4.0, -103.8) | 10 km | 5.3 Mww | |
| 51.243446 | 72.6 deg | 140.789 deg | Near Coast Of Peru | 2024/01/12 13:00:49 UTC | (-17.1, -72.7) | 78 km | 5.3 Mww | |
| 51.160378 | 86.1 deg | 288.934 deg | Mariana Islands | 2024/04/02 22:16:44 UTC | (15.9, 146.9) | 10 km | 5.2 Mww | |
| 50.601128 | 82.6 deg | 238.751 deg | Tonga Islands | 2023/12/12 05:33:10 UTC | (-15.2, -173.3) | 10 km | 5.7 mww | |
| 50.56232 | 79.9 deg | 303.23 deg | Southeast Of Honshu, Japan | 2023/10/05 06:22:12 UTC | (30.1, 140.0) | 10 km | 5.6 Mww | |
| 49.265614 | 93.4 deg | 254.643 deg | Vanuatu Islands | 2023/10/28 09:55:28 UTC | (-13.1, 167.1) | 201 km | 5.6 mww | |
| 49.209885 | 79.6 deg | 306.303 deg | Southeast Of Honshu, Japan | 2024/05/29 17:14:58 UTC | (32.3, 137.6) | 392 km | 5.5 Mww | |
| 48.79872 | 86.8 deg | 235.674 deg | Tonga Islands | 2023/12/23 23:44:46 UTC | (-20.4, -173.4) | 10 km | 5.6 mww | |
| 47.417107 | 79.8 deg | 303.235 deg | Southeast Of Honshu, Japan | 2023/10/06 05:49:22 UTC | (30.1, 140.0) | 10 km | 5.6 mww | |
| 47.29025 | 88.7 deg | 237.801 deg | Fiji Islands Region | 2023/10/28 04:33:30 UTC | (-20.6, -176.4) | 215 km | 5.5 Mww | |
| 47.04078 | 75.9 deg | 310.002 deg | Near West Coast Of Honshu, Japan | 2024/01/01 07:06:05 UTC | (37.5, 137.2) | 10 km | 5.5 mww | |
| 46.698692 | 96.9 deg | 271.747 deg | New Ireland Region, P.N.G. | 2024/05/18 14:04:44 UTC | (-3.8, 152.1) | 10 km | 5.7 mww | |
| 46.631668 | 44.1 deg | 303.748 deg | Rat Islands, Aleutian Islands | 2024/03/30 16:28:57 UTC | (52.1, 178.4) | 115 km | 5.8 mww | |
| 46.057262 | 94.8 deg | 312.358 deg | Taiwan | 2024/04/23 00:04:05 UTC | (23.8, 121.7) | 13 km | 5.8 mww | |
| 45.248787 | 93.5 deg | 289.712 deg | W. Caroline Islands, Micronesia | 2024/05/05 05:44:19 UTC | (10.9, 141.2) | 10 km | 5.6 mb | |
| 45.021526 | 83.9 deg | 292.708 deg | Mariana Islands | 2023/11/25 15:10:53 UTC | (20.1, 145.6) | 10 km | 5.5 Mww | |
| 45.014217 | 94.8 deg | 252.506 deg | Vanuatu Islands | 2023/09/28 14:40:26 UTC | (-15.6, 167.7) | 126 km | 6.0 mww | |
| 43.765488 | 71.6 deg | 309.194 deg | Near East Coast Of Honshu, Japan | 2024/04/01 19:24:36 UTC | (40.1, 141.7) | 73 km | 5.9 mww | |
| 41.898605 | 90.9 deg | 289.026 deg | South Of Mariana Islands | 2024/02/04 09:50:42 UTC | (12.4, 143.5) | 10 km | 5.7 Mi | |
| 41.045 | 98.2 deg | 247.394 deg | Southeast Of Loyalty Islands | 2023/12/17 07:37:59 UTC | (-21.6, 169.2) | 10 km | 5.7 Mww | |
| 40.056667 | 96.4 deg | 250.86 deg | Vanuatu Islands | 2024/01/23 14:33:47 UTC | (-17.9, 167.8) | 10 km | 6.5 Mi | |
| 37.67461 | 96.2 deg | 250.651 deg | Vanuatu Islands | 2023/11/11 12:35:30 UTC | (-17.9, 168.1) | 24 km | 5.5 mww | |
| 33.74323 | 78.1 deg | 139.366 deg | Chile-Bolivia Border Region | 2024/06/01 10:53:06 UTC | (-21.4, -68.7) | 99 km | 5.1 Mww | |
| 33.241714 | 92.0 deg | 352.168 deg | Kyrgyzstan-Xinjiang Border Reg. | 2024/01/23 20:38:13 UTC | (41.1, 78.6) | 10 km | 5.2 Mww | |
| 31.039799 | 95.5 deg | 232.944 deg | Kermadec Islands Region | 2024/05/31 15:54:41 UTC | (-29.0, -176.9) | 20 km | 6.2 mww | |
| 28.739208 | 86.4 deg | 92.616 deg | Central Mid-Atlantic Ridge | 2024/06/21 20:53:10 UTC | (0.8, -26.2) | 10 km | 5.5 Mww | |
| 25.985378 | 79.9 deg | 303.105 deg | Southeast Of Honshu, Japan | 2023/10/04 00:13:45 UTC | (30.0, 140.1) | 10 km | 5.5 Mww | |
| 23.178091 | 96.9 deg | 249.148 deg | Vanuatu Islands | 2023/10/29 04:32:08 UTC | (-19.4, 168.8) | 80 km | 6.0 mww |
