Station X4 MA09B - Snohomish County, WA USA
Network: X416 - Monitoring Active Faults for Tectonic Mapping Efforts in Washington State
Nearby stations (2 deg radius)
Station | Name | (Lat, Lon) | Start / End | Elevation |
MA09B | Snohomish County, WA USA | (47.93, -121.93) | 2016-10-27 / 2017-08-30 | -1.0 m |
Crust2 Type: | L3,continental arc, Southern Andes, 0.2 km seds. |
Thickness Estimate: | 30 km |
Thickness StdDev: | 12 km |
Vp/Vs Estimate: | 1.60 |
Vp/Vs StdDev: | 0.08 |
Vs Estimate: | 4.123 km/s |
Poisson's Ratio: | 0.18 |
Peak Value: | 0.25 |
Assumed Vp: | 6.597 km/s |
Ps Weight: | 0.33333334 |
PpPs Weight: | 0.33333334 |
PsPs Weight: | 0.33333328 |
Residual Complexity: | 0.646 |
Nearby stations H: | 42 km +- 18 km |
(2.0 deg) Vp/Vs: | 1.60 +- 0.00 |
4 with match > 90% ( 3.6363637 %) and 15 with match > 80% ( 13.636364 %) out of 110.
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 | 30 km | 1.60 | 6.597 km/s | 4.123 km/s | 0.18 | |
Crust2.0 | 40 km | 1.77 | 6.597 km/s | 3.723 km/s | 0.27 | L3,continental arc, Southern Andes, 0.2 km seds. |
Global Maxima | 30 km | 1.60 | 6.597 km/s | 4.123 km/s | 0.18 | amp=0.2459517 |
Local Maxima 1 | 28 km | 1.60 | 6.597 km/s | 4.123 km/s | 0.18 | amp=0.17235433 |
Local Maxima 2 | 42 km | 1.60 | 6.597 km/s | 4.123 km/s | 0.18 | amp=0.09637579 |
Local Maxima 3 | 40 km | 1.60 | 6.597 km/s | 4.123 km/s | 0.18 | amp=0.07251872 |
Local Maxima 4 | 32 km | 2.02 | 6.597 km/s | 3.266 km/s | 0.34 | amp=0.046212632 |
Predicted Arrivals for vertical incidence (zero ray parameter) | |
Ps | 2.75 SECOND |
PpPs | 11.92 SECOND |
PsPs/PpSs | 14.67 SECOND |
Events Processed for this Station
Download zip of receiver functions as SAC
Plot maxima for each earthquake.
Events Used in the Stack
(15 events)Radial Match | Distance | Baz | FERegion | Time | Lat/Lon | Depth | Magnitude |
91.93873 | 67.3 deg | 300.989 deg | Near East Coast Of Honshu, Japan | 2016/11/21 20:59:49 GMT | (37.4, 141.4) | 11 km | 6.9 MWB, 7.3 MI |
91.486404 | 89.1 deg | 253.104 deg | Solomon Islands | 2016/12/08 17:38:46 GMT | (-10.7, 161.3) | 41 km | 7.8 mww |
91.38395 | 89.9 deg | 260.641 deg | Solomon Islands | 2017/01/22 04:30:23 GMT | (-6.2, 155.1) | 136 km | 7.9 mww |
91.17664 | 41.3 deg | 304.491 deg | Near Islands, Aleutian Islands | 2017/06/02 22:24:47 GMT | (54.0, 170.9) | 8.2 km | 6.8 Mww |
88.7106 | 56.0 deg | 123.605 deg | Near West Coast Of Colombia | 2017/01/12 16:06:31 GMT | (6.1, -77.9) | 3.3 km | 5.5 mb |
86.36615 | 97.0 deg | 299.711 deg | Luzon, Philippines | 2017/08/11 05:28:25 GMT | (14.0, 120.7) | 168 km | 6.2 Mww |
86.07171 | 82.2 deg | 227.818 deg | Tonga Islands | 2017/07/16 17:06:41 GMT | (-20.4, -173.5) | 10 km | 5.5 Mww |
85.14229 | 45.3 deg | 131.233 deg | Off Coast Of Central America | 2016/11/24 18:43:48 GMT | (12.0, -88.8) | 10 km | 7.0 MWW, 6.7 MWB, 7.2 MI |
84.85782 | 88.3 deg | 246.08 deg | Vanuatu Islands | 2017/05/09 13:52:10 GMT | (-14.6, 167.4) | 169 km | 6.8 mww |
83.51059 | 91.0 deg | 269.044 deg | Admiralty Islands Region, P.N.G. | 2017/08/27 04:17:51 GMT | (-1.4, 148.1) | 10 km | 6.6 Mi |
83.27477 | 86.9 deg | 236.637 deg | South Of Fiji Islands | 2017/01/03 21:52:31 GMT | (-19.3, 176.1) | 17 km | 6.9 Mww |
83.14341 | 91.2 deg | 24.083 deg | Dodecanese Islands, Greece | 2017/07/20 22:31:12 GMT | (36.9, 27.5) | 10 km | 6.7 Mww |
82.83765 | 44.6 deg | 310.906 deg | Near East Coast Of Kamchatka | 2017/03/29 04:09:24 GMT | (56.9, 162.7) | 23 km | 6.6 Mww |
82.491356 | 85.6 deg | 342.445 deg | Northern Xinjiang, China | 2017/08/08 23:27:53 GMT | (44.3, 82.8) | 20 km | 6.3 Mww |
82.43977 | 90.1 deg | 263.041 deg | New Ireland Region, P.N.G. | 2017/07/13 03:36:09 GMT | (-4.8, 153.2) | 47 km | 6.4 mww |
Losers
(95 events)Radial Match | Distance | Baz | FERegion | Time | Lat/Lon | Depth | Magnitude | Reason |
93.667076 | 42.2 deg | 305.26 deg | Komandorskiye Ostrova Region | 2017/07/17 23:34:21 GMT | (54.2, 169.2) | 48 km | 7.4 Mi | |
93.3957 | 89.6 deg | 262.941 deg | New Ireland Region, P.N.G. | 2016/12/17 10:51:11 GMT | (-4.5, 153.6) | 73 km | 8.0 Mi | |
91.539566 | 85.2 deg | 131.07 deg | Chile-Bolivia Border Region | 2017/01/06 06:30:33 GMT | (-22.4, -67.7) | 142 km | 5.7 mb | |
85.8955 | 42.7 deg | 132.688 deg | Near Coast Of Guatemala | 2017/06/22 12:31:04 GMT | (13.7, -91.1) | 10 km | 6.8 Mi | |
83.44847 | 41.2 deg | 132.903 deg | Near Coast Of Chiapas, Mexico | 2017/06/14 07:29:03 GMT | (14.9, -92.0) | 98 km | 7.0 Mi | |
77.72612 | 36.1 deg | 297.158 deg | Andreanof Islands, Aleutian Is. | 2017/05/08 17:00:42 GMT | (51.4, -178.6) | 1.0 km | 6.6 Mi | |
76.317245 | 42.3 deg | 305.962 deg | Komandorskiye Ostrova Region | 2017/07/17 11:05:08 GMT | (54.6, 168.6) | 7.9 km | 6.2 Mww | |
75.35507 | 38.7 deg | 239.844 deg | Hawaii | 2017/01/18 21:15:34 GMT | (21.6, -157.5) | 15 km | 2.7 Ml | |
74.48491 | 41.2 deg | 134.877 deg | Near Coast Of Chiapas, Mexico | 2017/06/14 06:38:48 GMT | (14.2, -93.2) | 11 km | 5.5 Mww | |
73.78014 | 43.8 deg | 131.997 deg | Off Coast Of Central America | 2017/05/12 10:41:26 GMT | (12.9, -90.1) | 10 km | 6.2 Mww | |
73.01557 | 86.6 deg | 236.633 deg | South Of Fiji Islands | 2017/01/03 22:40:12 GMT | (-19.1, 176.2) | 10 km | 5.8 mb | |
71.89272 | 33.3 deg | 150.295 deg | Off Coast Of Jalisco, Mexico | 2017/05/20 06:02:13 GMT | (17.4, -105.4) | 10 km | 5.8 Mww | |
71.88181 | 87.3 deg | 230.484 deg | South Of Fiji Islands | 2017/02/24 17:28:44 GMT | (-23.2, -178.8) | 415 km | 6.9 mww | |
71.349945 | 89.0 deg | 253.746 deg | Solomon Islands | 2016/12/20 12:33:15 GMT | (-10.2, 160.9) | 12 km | 5.9 mb | |
71.30654 | 38.4 deg | 139.285 deg | Near Coast Of Oaxaca, Mexico | 2017/06/14 23:58:52 GMT | (15.4, -97.1) | 6.9 km | 5.5 Mww | |
70.98152 | 36.0 deg | 297.263 deg | Andreanof Islands, Aleutian Is. | 2017/05/10 07:59:55 GMT | (51.4, -178.5) | 1.0 km | 6.0 Mi | |
70.907555 | 77.5 deg | 284.579 deg | Mariana Islands | 2017/05/31 06:29:32 GMT | (19.1, 145.9) | 121 km | 5.4 Mww | |
69.32369 | 82.7 deg | 21.628 deg | Romania | 2016/12/27 23:20:55 GMT | (45.7, 26.6) | 81 km | 5.6 mb | |
68.98631 | 42.1 deg | 305.42 deg | Komandorskiye Ostrova Region | 2017/07/28 02:39:16 GMT | (54.3, 169.3) | 10 km | 5.5 mb | |
68.69536 | 92.1 deg | 139.947 deg | Off Coast Of Central Chile | 2017/04/24 21:38:24 GMT | (-33.0, -72.0) | 33 km | 6.7 Mi | |
68.19208 | 82.8 deg | 233.072 deg | Fiji Islands Region | 2017/04/18 17:11:47 GMT | (-18.1, -178.4) | 626 km | 6.0 Mww | |
67.63321 | 89.9 deg | 135.202 deg | La Rioja Province, Argentina | 2017/08/01 06:13:53 GMT | (-28.6, -68.7) | 85 km | 5.6 Mww | |
66.54368 | 60.0 deg | 130.188 deg | Near Coast Of Ecuador | 2017/06/30 22:29:44 GMT | (-0.3, -80.5) | 7.4 km | 6.0 Mww | |
66.32127 | 92.4 deg | 136.903 deg | San Juan Province, Argentina | 2016/11/20 20:57:43 GMT | (-31.6, -68.8) | 116 km | 6.4 MWP, 6.5 MWB | |
66.10621 | 82.8 deg | 233.164 deg | Fiji Islands Region | 2017/02/24 23:46:45 GMT | (-18.0, -178.5) | 581 km | 5.9 Mww | |
65.83173 | 87.1 deg | 236.73 deg | South Of Fiji Islands | 2017/01/03 21:55:38 GMT | (-19.4, 175.8) | 10 km | 5.7 mb | |
65.57421 | 35.2 deg | 296.193 deg | Andreanof Islands, Aleutian Is. | 2017/05/08 15:31:28 GMT | (51.1, -177.0) | 41 km | 5.5 Ml | |
65.43551 | 59.4 deg | 302.941 deg | Kuril Islands | 2017/05/22 11:00:57 GMT | (43.9, 147.7) | 54 km | 5.5 Mww | |
65.39036 | 81.4 deg | 300.762 deg | Southeast Of Ryukyu Islands | 2017/07/26 10:32:57 GMT | (26.9, 130.2) | 10 km | 5.9 Mww | |
65.388504 | 87.0 deg | 131.163 deg | Jujuy Province, Argentina | 2017/02/18 12:10:15 GMT | (-23.9, -66.7) | 201 km | 6.3 Mww | |
65.38061 | 92.2 deg | 349.681 deg | Tajikistan | 2017/05/05 05:09:35 GMT | (39.5, 71.4) | 10 km | 5.8 Mww | |
65.3001 | 76.1 deg | 286.625 deg | Mariana Islands Region | 2016/12/21 16:43:58 GMT | (21.5, 145.4) | 17 km | 5.9 Mwb | |
65.20833 | 64.8 deg | 126.615 deg | Peru-Ecuador Border Region | 2017/04/18 17:49:55 GMT | (-2.7, -75.3) | 11 km | 6.0 Mww | |
64.88641 | 85.9 deg | 131.528 deg | Chile-Argentina Border Region | 2017/04/15 08:19:41 GMT | (-23.2, -67.7) | 135 km | 6.2 Mww | |
64.44814 | 77.8 deg | 302.501 deg | Kyushu, Japan | 2017/04/29 12:32:32 GMT | (30.8, 131.4) | 21 km | 5.7 Mww | |
63.715794 | 67.2 deg | 300.902 deg | Near East Coast Of Honshu, Japan | 2017/07/20 00:11:25 GMT | (37.4, 141.6) | 35 km | 5.8 Mww | |
62.941845 | 30.1 deg | 296.764 deg | Fox Islands, Aleutian Islands | 2017/08/09 05:40:42 GMT | (52.6, -169.2) | 47 km | 5.3 mb | |
62.84745 | 89.0 deg | 24.205 deg | Aegean Sea | 2017/06/12 12:28:38 GMT | (38.9, 26.4) | 10 km | 6.3 Mww | |
62.244576 | 81.4 deg | 303.436 deg | Northwest Of Ryukyu Islands | 2017/08/16 12:51:25 GMT | (28.6, 127.9) | 197 km | 5.7 Mww | |
62.133766 | 63.3 deg | 132.224 deg | Peru-Ecuador Border Region | 2017/06/05 11:34:11 GMT | (-4.1, -80.4) | 51 km | 5.6 Mww | |
61.590652 | 81.3 deg | 31.73 deg | Central Italy | 2016/10/30 06:40:19 GMT | (42.9, 13.1) | 10 km | 6.6 MWW, 6.6 MWR | |
60.13418 | 91.6 deg | 263.817 deg | New Britain Region, P.N.G. | 2017/08/07 06:26:44 GMT | (-5.4, 151.6) | 35 km | 5.8 Mww | |
59.847378 | 90.3 deg | 241.69 deg | Vanuatu Islands | 2017/04/05 22:17:42 GMT | (-19.0, 169.6) | 248 km | 5.6 Mww | |
59.598274 | 59.9 deg | 101.2 deg | Leeward Islands | 2017/02/03 19:54:21 GMT | (15.1, -60.5) | 35 km | 5.6 Mwb | |
59.387444 | 84.0 deg | 230.06 deg | Fiji Islands Region | 2017/06/19 09:15:43 GMT | (-20.7, -176.5) | 264 km | 5.8 Mww | |
59.22212 | 92.1 deg | 347.651 deg | Southern Xinjiang, China | 2016/11/25 14:24:29 GMT | (39.2, 74.0) | 13 km | 6.6 MWW, 6.5 MWB, 6.6 MWC | |
58.334965 | 83.1 deg | 230.637 deg | Fiji Islands Region | 2017/06/25 17:42:30 GMT | (-19.7, -176.5) | 38 km | 6.2 Mww | |
56.565342 | 57.7 deg | 99.807 deg | Leeward Islands | 2017/04/17 05:23:15 GMT | (17.5, -61.1) | 21 km | 5.6 Mww | |
55.101864 | 88.9 deg | 253.48 deg | Solomon Islands | 2016/12/20 04:21:28 GMT | (-10.2, 161.2) | 11 km | 6.4 mww | |
55.019417 | 90.5 deg | 261.144 deg | Solomon Islands | 2016/12/18 06:39:43 GMT | (-6.3, 154.3) | 10 km | 5.8 Mww | |
54.827892 | 95.0 deg | 295.513 deg | Philippine Islands Region | 2017/04/10 00:43:54 GMT | (13.0, 125.4) | 8.2 km | 5.6 Mww | |
54.56262 | 88.9 deg | 253.353 deg | Solomon Islands | 2017/01/19 23:04:20 GMT | (-10.4, 161.3) | 34 km | 6.8 mwp | |
53.21421 | 91.1 deg | 236.883 deg | Southeast Of Loyalty Islands | 2017/07/08 07:27:35 GMT | (-22.6, 173.1) | 10 km | 5.6 Mww | |
52.701385 | 89.8 deg | 226.654 deg | Kermadec Islands Region | 2017/05/12 00:46:52 GMT | (-27.5, -176.9) | 10 km | 5.8 mb | |
52.389885 | 88.9 deg | 253.496 deg | Solomon Islands | 2016/12/18 05:46:25 GMT | (-10.2, 161.2) | 39 km | 6.0 Mwp | |
51.816685 | 82.4 deg | 279.437 deg | South Of Mariana Islands | 2017/01/24 09:38:32 GMT | (12.1, 146.3) | 19 km | 5.5 mb | |
51.789932 | 75.4 deg | 294.26 deg | Bonin Islands, Japan Region | 2016/11/23 09:59:56 GMT | (27.2, 140.0) | 477 km | 5.7 MB | |
51.127457 | 37.7 deg | 297.563 deg | Rat Islands, Aleutian Islands | 2016/11/14 02:12:17 GMT | (51.1, 178.8) | 34 km | 5.6 MWW, 5.0 ML, 5.4 ML | |
50.92198 | 90.1 deg | 242.126 deg | Vanuatu Islands | 2017/02/26 06:44:21 GMT | (-18.5, 169.4) | 244 km | 5.5 mb | |
50.48101 | 68.2 deg | 301.205 deg | Near East Coast Of Honshu, Japan | 2016/12/28 12:38:50 GMT | (36.9, 140.4) | 10 km | 5.9 Mww | |
50.45901 | 66.7 deg | 298.747 deg | Off East Coast Of Honshu, Japan | 2017/07/30 12:45:06 GMT | (36.3, 143.7) | 17 km | 5.3 Mww | |
50.425274 | 77.7 deg | 129.768 deg | Southern Peru | 2016/12/01 22:40:26 GMT | (-15.3, -70.8) | 10 km | 6.3 Mww | |
49.947094 | 84.6 deg | 126.407 deg | Southern Bolivia | 2017/02/21 14:09:04 GMT | (-19.3, -63.9) | 598 km | 6.5 Mww | |
48.92534 | 95.0 deg | 266.26 deg | Eastern New Guinea Reg., P.N.G. | 2017/01/08 08:52:08 GMT | (-6.2, 147.5) | 67 km | 5.9 Mww | |
47.815086 | 93.4 deg | 268.569 deg | Bismarck Sea | 2017/08/07 12:02:50 GMT | (-3.5, 146.8) | 10 km | 5.5 Mww | |
47.706947 | 34.0 deg | 296.524 deg | Andreanof Islands, Aleutian Is. | 2017/05/28 07:06:14 GMT | (51.6, -175.3) | 8.0 km | 5.6 Ml | |
47.268387 | 67.3 deg | 301.188 deg | Near East Coast Of Honshu, Japan | 2017/02/28 07:49:01 GMT | (37.6, 141.3) | 38 km | 5.7 Mww | |
47.09096 | 93.5 deg | 265.041 deg | New Britain Region, P.N.G. | 2017/03/05 22:47:53 GMT | (-6.0, 149.4) | 31 km | 6.3 mww | |
46.999435 | 73.1 deg | 126.918 deg | Peru-Brazil Border Region | 2016/12/18 13:30:11 GMT | (-10.0, -71.0) | 619 km | 6.4 Mww | |
46.35415 | 98.1 deg | 273.226 deg | Irian Jaya, Indonesia | 2017/08/14 23:49:29 GMT | (-3.9, 140.2) | 36 km | 5.5 mb | |
46.252876 | 70.2 deg | 309.378 deg | Sea Of Japan | 2017/07/12 19:48:07 GMT | (40.9, 131.6) | 538 km | 5.8 Mww | |
46.172974 | 92.9 deg | 225.775 deg | Kermadec Islands, New Zealand | 2017/06/15 00:26:16 GMT | (-30.6, -178.0) | 24 km | 5.9 Mww | |
45.99822 | 56.2 deg | 303.444 deg | Kuril Islands | 2017/07/30 21:00:49 GMT | (46.2, 151.0) | 87 km | 5.7 mb | |
45.709003 | 85.7 deg | 283.319 deg | South Of Mariana Islands | 2017/01/11 14:38:39 GMT | (12.2, 141.1) | 10 km | 5.5 mb | |
45.514793 | 60.1 deg | 122.021 deg | Colombia | 2016/10/31 00:20:11 GMT | (3.4, -74.5) | 33 km | 5.6 MWW, 5.4 MWB | |
44.965862 | 77.2 deg | 132.678 deg | Near Coast Of Peru | 2017/07/18 02:05:19 GMT | (-16.4, -73.6) | 44 km | 6.4 Mww | |
44.86042 | 77.2 deg | 132.522 deg | Near Coast Of Peru | 2017/08/11 21:45:09 GMT | (-16.3, -73.5) | 35 km | 5.6 Mww | |
44.43331 | 72.1 deg | 293.86 deg | Southeast Of Honshu, Japan | 2017/07/27 23:58:52 GMT | (29.3, 143.0) | 10 km | 5.3 Mww | |
43.33072 | 88.9 deg | 253.337 deg | Solomon Islands | 2016/12/10 02:38:21 GMT | (-10.3, 161.3) | 36 km | 5.6 Mwp | |
43.183556 | 89.4 deg | 236.734 deg | Vanuatu Islands Region | 2017/02/23 21:10:31 GMT | (-21.3, 174.4) | 10 km | 5.5 mb | |
43.17474 | 85.7 deg | 230.177 deg | South Of Fiji Islands | 2016/11/16 20:26:15 GMT | (-22.1, -177.6) | 305 km | 5.5 MB | |
42.893757 | 89.5 deg | 226.414 deg | Kermadec Islands Region | 2017/07/02 09:58:50 GMT | (-27.4, -176.5) | 16 km | 5.7 Mww | |
40.9567 | 95.2 deg | 267.053 deg | Eastern New Guinea Reg., P.N.G. | 2017/02/23 15:11:05 GMT | (-5.9, 146.7) | 116 km | 5.4 Mww | |
40.754498 | 83.0 deg | 233.479 deg | Fiji Islands Region | 2017/08/19 02:00:52 GMT | (-18.0, -178.9) | 539 km | 6.4 Mww | |
40.18057 | 85.3 deg | 339.906 deg | Northern Xinjiang, China | 2016/12/08 05:15:04 GMT | (43.8, 86.3) | 14 km | 5.9 Mwp | |
40.065125 | 88.2 deg | 247.421 deg | Vanuatu Islands | 2017/01/16 01:16:38 GMT | (-13.7, 166.4) | 10 km | 5.8 mb | |
39.733807 | 88.9 deg | 253.682 deg | Solomon Islands | 2017/01/10 15:27:15 GMT | (-10.1, 161.0) | 28 km | 6.3 Mww | |
39.1555 | 88.8 deg | 231.185 deg | South Of Fiji Islands | 2017/06/17 22:26:02 GMT | (-24.1, 179.6) | 518 km | 6.1 Mww | |
39.0008 | 70.6 deg | 302.083 deg | Eastern Honshu, Japan | 2017/06/24 22:02:16 GMT | (35.8, 137.6) | 10 km | 5.2 Mww | |
38.15077 | 83.5 deg | 131.117 deg | Chile-Bolivia Border Region | 2017/05/14 19:44:23 GMT | (-20.9, -68.7) | 124 km | 5.6 Mww | |
36.986946 | 66.0 deg | 128.836 deg | Northern Peru | 2017/01/02 13:13:48 GMT | (-4.9, -76.3) | 108 km | 5.9 Mwb | |
35.644142 | 89.0 deg | 253.669 deg | Solomon Islands | 2016/12/20 08:49:25 GMT | (-10.2, 161.0) | 38 km | 5.5 mb | |
29.359539 | 90.1 deg | 263.094 deg | New Ireland Region, P.N.G. | 2016/10/28 05:26:57 GMT | (-4.7, 153.2) | 61 km | 5.7 MB | |
28.184082 | 89.3 deg | 252.879 deg | Solomon Islands | 2016/12/09 21:38:23 GMT | (-10.9, 161.4) | 10 km | 5.8 Mww | |
26.941872 | 86.3 deg | 236.796 deg | Fiji Islands Region | 2017/01/04 20:03:52 GMT | (-18.8, 176.3) | 7.0 km | 5.7 Mww |