Station UW MEGW - Megler, WA CREST BB SMO

Network: UW - Pacific Northwest Regional Seismic Network

Nearby stations (2 deg radius)

Station Name (Lat, Lon) Start / End Elevation
MEGW Megler, WA CREST BB SMO (46.27, -123.88) 2001-10-01 / 2499-01-01 332 m
Crust2 Type:L8,thin continental arc, Cordilleras, 0.5 km seds.
Thickness Estimate:25 km
Thickness StdDev:4.1 km
Vp/Vs Estimate:1.91
Vp/Vs StdDev:0.08
Vs Estimate:3.429 km/s
Poisson's Ratio:0.31
Peak Value:0.06
Assumed Vp:6.566 km/s
Ps Weight:0.33333334
PpPs Weight:0.33333334
PsPs Weight:0.33333328
Residual Complexity:0.659
Nearby stations H: +-
(2.0 deg) Vp/Vs: +-

4 with match > 90% ( 9.523809 %) and 13 with match > 80% ( 30.952381 %) out of 42.

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 25 km 1.91 6.566 km/s 3.429 km/s 0.31
Crust2.0 34 km 1.77 6.566 km/s 3.707 km/s 0.27 L8,thin continental arc, Cordilleras, 0.5 km seds.
Global Maxima 25 km 1.91 6.566 km/s 3.429 km/s 0.31 amp=0.06185856
Local Maxima 1 41 km 1.61 6.566 km/s 4.085 km/s 0.18 amp=0.033941984
Local Maxima 2 32 km 1.79 6.566 km/s 3.673 km/s 0.27 amp=0.023609014
Local Maxima 3 44 km 1.60 6.566 km/s 4.104 km/s 0.18 amp=0.022048766
Local Maxima 4 39 km 1.68 6.566 km/s 3.903 km/s 0.23 amp=0.013019024
Predicted Arrivals for vertical incidence
(zero ray parameter)
Ps3.48 SECOND
PpPs11.10 SECOND
PsPs/PpSs14.58 SECOND

Events Processed for this Station

Download zip of receiver functions as SAC

View Record Section

Plot maxima for each earthquake.

Events Used in the Stack

(13 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude
93.47243 87.6 deg 252.249 deg Solomon Islands 2003/01/20 08:43:06 GMT (-10.5, 160.8) 33 km 6.7 MB, 7.8 MS, 7.3 MW, 7.2 MW
92.98481 69.3 deg 126.509 deg Peru-Brazil Border Region 2011/08/24 17:46:11 GMT (-7.6, -74.5) 147 km 6.8 MB, 7.0 MW, 7.0 MW
91.0789 62.5 deg 125.097 deg Ecuador 2010/08/12 11:54:15 GMT (-1.3, -77.3) 207 km 6.4 MB, 7.1 MW, 7.1 MW
90.46274 84.3 deg 281.948 deg South Of Mariana Islands 2010/08/13 21:19:33 GMT (12.5, 141.5) 10 km 6.5 MB, 6.9 MS, 6.9 MW, 6.9 MW
89.60742 88.6 deg 223.941 deg Kermadec Islands Region 2011/10/21 17:57:16 GMT (-29.0, -176.2) 33 km 6.4 MB, 7.5 MS, 7.4 MW, 7.4 MW
89.00148 61.3 deg 303.242 deg Hokkaido, Japan Region 2004/11/28 18:32:14 GMT (43.0, 145.1) 39 km 6.4 MB, 6.7 MS, 7.0 MW, 7.0 MW
86.17866 72.4 deg 299.618 deg Near S. Coast Of Honshu, Japan 2004/09/08 14:58:25 GMT (33.1, 137.2) 21 km 6.2 MB, 5.8 MS, 6.2 MW, 6.1 MW
84.40713 88.8 deg 241.717 deg Vanuatu Islands 2011/08/20 16:55:02 GMT (-18.4, 168.1) 32 km 6.2 MB, 7.1 MS, 7.1 MW, 7.0 MW
84.31397 89.6 deg 239.11 deg Vanuatu Islands 2011/09/03 22:55:40 GMT (-20.7, 169.7) 185 km 6.4 MB, 7.0 MW, 7.0 MW
83.032364 85.0 deg 129.599 deg Chile-Bolivia Border Region 2005/11/17 19:26:56 GMT (-22.3, -67.9) 163 km 6.0 MB, 6.9 MW, 6.8 MW
82.05833 34.6 deg 137.123 deg Guerrero, Mexico 2011/12/11 01:47:25 GMT (17.8, -100.0) 54 km 6.2 MB, 6.5 MW, 6.5 MW
81.57385 85.8 deg 245.712 deg Vanuatu Islands 2008/09/08 18:52:06 GMT (-13.5, 167.0) 110 km 6.4 MB, 6.9 MW, 6.9 MW
80.10588 34.9 deg 299.236 deg Andreanof Islands, Aleutian Is. 2008/05/02 01:33:37 GMT (51.9, -177.5) 14 km 6.3 MB, 6.8 MS, 6.6 MW, 6.6 MW

Losers

(29 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude Reason
82.19628 94.6 deg 9.865 deg Turkey 2011/10/23 10:41:22 GMT (38.7, 43.5) 16 km 6.9 MB, 7.3 MS, 7.3 MW, 7.1 MW
78.01156 83.2 deg 230.477 deg Fiji Islands Region 2010/08/16 19:35:49 GMT (-20.8, -178.8) 603 km 5.7 MB, 6.2 MW, 6.1 MW
75.54521 91.3 deg 262.794 deg New Britain Region, P.N.G. 2010/07/18 13:04:09 GMT (-6.0, 150.4) 28 km 6.3 MB, 7.1 MS, 6.9 MW, 6.8 MW
70.54158 82.1 deg 277.817 deg South Of Mariana Islands 2010/07/10 11:43:32 GMT (11.1, 146.0) 13 km 6.2 MB, 6.1 MS, 6.3 MW, 6.3 MW
68.2531 92.5 deg 264.48 deg New Britain Region, P.N.G. 2010/08/15 15:09:29 GMT (-5.7, 148.3) 175 km 5.8 MB, 6.3 MW, 6.3 MW
67.92807 94.9 deg 264.287 deg Eastern New Guinea Reg., P.N.G. 2011/12/14 05:04:59 GMT (-7.6, 146.8) 141 km 6.6 MB, 7.1 MW, 7.1 MW
67.50506 78.0 deg 233.165 deg Fiji Islands Region 2011/09/15 11:59:52 GMT (-15.0, -178.0) 378 km 5.6 MB, 5.6 MW, 5.5 MW
66.83579 85.0 deg 246.866 deg Santa Cruz Islands 2009/10/07 22:26:38 GMT (-12.1, 166.6) 35 km 5.6 MB
66.58989 65.9 deg 300.096 deg Off East Coast Of Honshu, Japan 2011/03/11 07:03:00 GMT (37.9, 142.8) 19 km 5.6 MB
65.53652 31.3 deg 298.429 deg Fox Islands, Aleutian Islands 2011/06/28 06:48:32 GMT (52.1, -171.7) 30 km 5.6 MB, 5.4 MS, 5.9 MW, 5.6 MW
63.833607 65.6 deg 298.721 deg Off East Coast Of Honshu, Japan 2011/03/11 14:27:57 GMT (37.1, 144.0) 21 km 5.5 MB
63.77279 80.7 deg 128.265 deg Northern Chile 2011/03/06 12:31:59 GMT (-18.0, -69.4) 118 km 6.0 MB, 6.3 MW, 6.3 MW
62.29272 35.5 deg 137.072 deg Guerrero, Mexico 2009/04/27 16:46:28 GMT (17.0, -99.4) 35 km 5.7 MB, 5.4 MS, 5.8 MW, 5.8 MW
61.58114 75.6 deg 169.495 deg Easter Island Region 2008/05/31 23:16:04 GMT (-28.9, -112.3) 10 km 5.5 MS, 5.4 MB, 5.8 MW, 5.8 MW
60.72841 90.5 deg 262.577 deg New Britain Region, P.N.G. 2010/06/24 05:32:27 GMT (-5.5, 151.2) 40 km 5.8 MB, 5.8 MS, 6.1 MW, 6.1 MW
59.572422 89.3 deg 241.089 deg Vanuatu Islands 2011/01/09 10:03:44 GMT (-19.2, 168.3) 24 km 6.1 MB, 6.4 MS, 6.6 MW, 6.5 MW
59.20241 85.7 deg 245.474 deg Vanuatu Islands 2010/03/04 14:02:27 GMT (-13.6, 167.2) 176 km 6.0 MB, 6.5 MW, 6.4 MW
58.68603 58.7 deg 119.383 deg Colombia 2008/09/13 09:32:01 GMT (4.8, -75.5) 133 km 5.9 MB, 5.7 MW, 5.7 MW
57.788864 52.4 deg 304.512 deg Kuril Islands 2011/08/04 13:51:34 GMT (48.8, 154.8) 36 km 6.0 MB, 5.8 MS, 6.1 MW, 6.0 MW
56.329475 82.1 deg 299.048 deg Southeast Of Ryukyu Islands 2010/05/26 08:53:08 GMT (25.8, 129.9) 10 km 6.2 MB, 6.2 MS, 6.5 MW, 6.5 MW
55.67253 86.3 deg 243.76 deg Vanuatu Islands 2010/07/22 05:03:57 GMT (-15.1, 168.2) 10 km 6.2 MB, 5.4 MS, 6.1 MW, 5.9 MW
55.526726 67.6 deg 300.456 deg Eastern Honshu, Japan 2011/08/11 18:22:04 GMT (37.0, 140.9) 44 km 6.0 MB, 5.3 MS, 5.9 MW, 5.9 MW
55.353558 90.1 deg 240.332 deg Loyalty Islands 2011/05/11 08:19:33 GMT (-20.3, 168.3) 10 km 5.8 MB, 5.2 MS, 5.6 MW, 5.6 MW
52.153244 81.8 deg 301.313 deg Ryukyu Islands, Japan 2008/07/08 07:42:10 GMT (27.5, 128.3) 43 km 6.0 MB, 5.5 MS, 6.0 MW, 6.0 MW
50.339233 66.7 deg 300.527 deg Near East Coast Of Honshu, Japan 2011/06/18 11:31:05 GMT (37.7, 141.7) 20 km 5.9 MB, 5.4 MS, 5.8 MW, 5.6 MW
50.312695 89.2 deg 223.919 deg Kermadec Islands Region 2011/07/11 07:15:43 GMT (-29.5, -176.6) 11 km 5.5 MB, 6.0 MS, 6.1 MW, 5.9 MW
47.257607 69.6 deg 310.552 deg E. Russia-N.E. China Border Reg. 2010/02/18 01:13:19 GMT (42.6, 130.7) 578 km 6.3 MB, 6.9 MW, 6.9 MW
45.589046 47.6 deg 352.504 deg North Of Severnaya Zemlya 2008/08/13 18:30:57 GMT (83.6, 114.5) 10 km 5.7 MW, 5.2 MS, 5.3 MB, 5.7 MW
43.151535 89.5 deg 239.036 deg Vanuatu Islands 2010/09/08 11:37:31 GMT (-20.7, 169.8) 10 km 5.9 MB, 6.2 MS, 6.3 MW, 6.3 MW