Station BK FARB - Farallon Islands, CA

Network: BK - Berkeley Digital Seismograph Network

Nearby stations (2 deg radius)

Station Name (Lat, Lon) Start / End Elevation
FARB Farallon Islands, CA (37.70, -123.00) 1997-03-15 / 2499-01-01 -18.5 m
Crust2 Type:S1,continental slope, margin, transition 1 km seds.
Thickness Estimate:21 km
Thickness StdDev:0.4 km
Vp/Vs Estimate:1.81
Vp/Vs StdDev:0.02
Vs Estimate:3.411 km/s
Poisson's Ratio:0.28
Peak Value:0.03
Assumed Vp:6.183 km/s
Ps Weight:0.33333334
PpPs Weight:0.33333334
PsPs Weight:0.33333328
Residual Complexity:0.442
Nearby stations H: +-
(2.0 deg) Vp/Vs: +-

23 with match > 90% ( 46.938774 %) and 47 with match > 80% ( 95.918365 %) out of 49.

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 21 km 1.81 6.183 km/s 3.411 km/s 0.28
Crust2.0 23 km 1.81 6.183 km/s 3.422 km/s 0.28 S1,continental slope, margin, transition 1 km seds.
Global Maxima 21 km 1.81 6.183 km/s 3.411 km/s 0.28 amp=0.0284733
Local Maxima 1 25 km 1.64 6.183 km/s 3.77 km/s 0.20 amp=0.013483345
Local Maxima 2 20 km 1.81 6.183 km/s 3.425 km/s 0.28 amp=0.012891936
Local Maxima 3 23 km 1.70 6.183 km/s 3.648 km/s 0.23 amp=0.0058695227
Local Maxima 4 62 km 1.87 6.183 km/s 3.311 km/s 0.30 amp=0.0053396835
Predicted Arrivals for vertical incidence
(zero ray parameter)
Ps2.76 SECOND
PpPs9.55 SECOND
PsPs/PpSs12.31 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

(47 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude
98.610466 60.0 deg 307.636 deg Kuril Islands 2006/11/15 11:14:13 GMT (46.6, 153.3) 10 km 6.5 MB, 7.8 MS, 8.3 MW, 7.9 MW
98.36099 76.5 deg 128.685 deg Northern Chile 2005/06/13 22:44:33 GMT (-20.0, -69.2) 116 km 6.8 MB, 7.8 MW, 7.8 MW
97.80111 61.2 deg 124.356 deg Northern Peru 2005/09/26 01:55:37 GMT (-5.7, -76.4) 115 km 6.7 MB, 7.5 MW, 7.5 MW
97.7958 77.8 deg 130.695 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
97.4474 52.9 deg 116.921 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
97.3039 82.6 deg 249.302 deg Santa Cruz Islands 2007/09/02 01:05:18 GMT (-11.6, 165.8) 35 km 5.9 MB, 7.3 MS, 7.2 MW, 6.9 ME
97.25716 87.3 deg 257.217 deg Solomon Islands 2007/04/01 20:39:56 GMT (-8.5, 157.0) 10 km 6.8 MB, 7.9 MS, 8.1 MW, 7.7 ME
97.10208 77.5 deg 302.199 deg Near S. Coast Of Honshu, Japan 2004/09/05 14:57:18 GMT (33.2, 137.1) 10 km 6.2 MB, 7.1 MS, 7.4 MW, 7.4 MW
97.008026 77.8 deg 302.339 deg Near S. Coast Of Western Honshu 2004/09/05 10:07:07 GMT (33.1, 136.6) 14 km 6.7 MB, 7.0 MS, 7.2 MW, 7.0 MW
96.39121 48.4 deg 322.167 deg Eastern Siberia, Russia 2006/04/20 23:25:02 GMT (60.9, 167.1) 22 km 6.8 MB, 7.6 MS, 7.6 MW, 7.3 MW
96.26674 83.8 deg 245.065 deg Vanuatu Islands 2007/08/01 17:08:51 GMT (-15.6, 167.7) 120 km 6.2 MB, 7.2 MW, 7.2 MW
95.99612 80.2 deg 290.083 deg Volcano Islands, Japan Region 2007/09/28 13:38:59 GMT (22.0, 142.7) 276 km 6.7 MB, 7.4 MW, 7.4 MW
95.8906 86.8 deg 225.214 deg Kermadec Islands Region 2006/05/16 10:39:23 GMT (-31.8, -179.3) 152 km 6.8 MB, 7.4 MW, 7.4 MW
94.43493 66.7 deg 307.063 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
94.07137 79.0 deg 129.314 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
94.00934 69.4 deg 302.649 deg Off East Coast Of Honshu, Japan 2005/11/14 21:38:51 GMT (38.1, 144.9) 11 km 6.7 MB, 6.8 MS, 7.0 MW, 6.9 MW
93.13816 74.0 deg 304.714 deg Near West Coast Of Honshu, Japan 2004/10/23 08:56:00 GMT (37.2, 138.8) 16 km 6.4 MB, 6.3 MS, 6.6 MW, 6.4 MW
92.902054 87.4 deg 224.705 deg South Of Kermadec Islands 2005/05/16 03:54:14 GMT (-32.6, -179.4) 34 km 6.2 MB, 6.4 MS, 6.6 MW, 6.6 MW
92.10649 74.0 deg 305.136 deg Near West Coast Of Honshu, Japan 2007/07/16 01:13:22 GMT (37.5, 138.4) 12 km 6.5 MB, 6.4 MS, 6.6 MW, 6.5 MW
91.343834 83.0 deg 244.629 deg Vanuatu Islands 2007/07/15 09:27:34 GMT (-15.4, 168.6) 8.0 km 6.0 MB, 5.8 MS, 6.1 MW, 6.0 MW
91.2054 86.2 deg 254.653 deg Solomon Islands 2007/08/16 08:39:27 GMT (-9.8, 159.5) 10 km 6.1 MB, 6.7 MS, 6.4 MW
90.86975 87.6 deg 262.477 deg New Ireland Region, P.N.G. 2005/09/09 07:26:43 GMT (-4.5, 153.5) 90 km 6.3 MB, 7.7 MW, 7.5 MW
90.84703 53.8 deg 118.819 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
89.78182 81.1 deg 231.122 deg South Of Fiji Islands 2006/02/26 03:08:27 GMT (-23.6, -180.0) 535 km 5.9 MB, 6.4 MW, 6.4 MW
89.483025 43.6 deg 308.743 deg Rat Islands, Aleutian Islands 2006/06/14 04:18:42 GMT (51.8, 177.1) 14 km 5.9 MB, 6.4 MS, 6.4 MW, 6.4 MW
89.26077 34.5 deg 310.096 deg Fox Islands, Aleutian Islands 2007/07/15 13:08:00 GMT (52.5, -168.0) 10 km 5.8 MB, 5.9 MS, 6.1 MW, 6.0 MW
89.14455 71.2 deg 304.094 deg Near East Coast Of Honshu, Japan 2005/08/16 02:46:28 GMT (38.3, 142.0) 36 km 6.5 MB, 6.8 MS, 7.2 MW, 7.1 MW
87.97077 40.7 deg 105.553 deg Caribbean Sea 2004/12/14 23:20:13 GMT (19.0, -81.4) 10 km 6.2 MB, 6.7 MS, 6.8 MW, 6.8 MW
87.82015 80.2 deg 87.408 deg Central Mid-Atlantic Ridge 2007/08/20 22:42:29 GMT (8.0, -39.2) 10 km 6.3 MB, 6.4 MS, 6.5 MW
87.33874 83.0 deg 229.981 deg South Of Fiji Islands 2007/10/16 21:05:43 GMT (-25.8, 179.5) 509 km 6.2 MB, 6.6 MW, 6.5 MW
87.3166 88.2 deg 282.341 deg W. Caroline Islands, Micronesia 2005/01/16 20:17:52 GMT (10.9, 140.8) 25 km 6.3 MB, 6.7 MS, 6.6 MW, 6.6 MW
87.231964 39.5 deg 308.542 deg Andreanof Islands, Aleutian Is. 2007/07/13 21:54:43 GMT (51.8, -176.3) 35 km 5.7 MB, 5.6 MS, 6.0 MW, 5.9 MW
87.2125 79.9 deg 286.024 deg Mariana Islands 2007/10/31 03:30:17 GMT (18.9, 145.4) 223 km 6.2 MB, 7.2 MW, 7.2 MW
86.970695 84.7 deg 279.036 deg South Of Mariana Islands 2007/09/30 02:08:30 GMT (10.5, 145.7) 14 km 6.4 MB, 7.1 MS, 6.9 MW, 6.9 MW
86.67472 40.3 deg 306.219 deg Andreanof Islands, Aleutian Is. 2007/08/15 20:22:11 GMT (50.3, -177.5) 9.0 km 6.3 MB, 6.2 MS, 6.4 MW, 5.9 ML
85.50552 88.8 deg 259.083 deg Solomon Islands 2007/06/28 02:52:09 GMT (-8.0, 154.6) 10 km 6.3 MB, 6.7 MS, 6.7 MW, 6.7 MW
85.46954 76.7 deg 306.286 deg Sea Of Japan 2007/07/16 14:17:37 GMT (36.8, 134.9) 350 km 6.2 MB, 6.8 MW, 6.8 MW
84.758446 81.3 deg 283.397 deg Mariana Islands 2005/02/05 03:34:25 GMT (16.0, 145.9) 143 km 6.3 MB, 6.6 MW, 6.5 MW
84.31204 83.3 deg 246.342 deg Vanuatu Islands 2005/02/08 14:48:21 GMT (-14.3, 167.3) 206 km 6.1 MB, 6.8 MW, 6.7 MW
84.26428 41.8 deg 307.864 deg Andreanof Islands, Aleutian Is. 2007/08/02 03:21:42 GMT (51.3, -180.0) 21 km 6.3 MB, 6.6 MS, 6.7 MW, 6.6 MW
83.564224 42.2 deg 307.795 deg Rat Islands, Aleutian Islands 2005/06/14 17:10:16 GMT (51.2, 179.4) 51 km 6.0 MB, 6.8 MW, 6.6 MW
82.793274 41.7 deg 119.214 deg Near Coast Of Nicaragua 2004/10/09 21:26:53 GMT (11.4, -86.7) 35 km 6.0 MB, 7.0 MS, 6.9 MW, 6.8 MW
82.78605 74.1 deg 235.858 deg Fiji Islands Region 2005/12/13 03:16:06 GMT (-15.3, -178.6) 10 km 6.1 MB, 6.8 MS, 6.7 MW, 6.7 MW
81.75766 42.0 deg 120.325 deg Off Coast Of Costa Rica 2004/06/29 07:01:30 GMT (10.7, -87.0) 9.0 km 5.8 MB, 5.8 MS, 6.3 MW, 6.1 MW
81.43774 83.2 deg 237.144 deg Vanuatu Islands Region 2005/08/09 05:26:17 GMT (-20.9, 173.8) 24 km 5.5 MB, 6.0 MS, 6.1 MW, 6.1 MW
81.350784 64.2 deg 124.323 deg Peru-Brazil Border Region 2007/07/12 05:23:49 GMT (-7.9, -74.4) 152 km 5.9 MB, 6.1 MW, 6.0 MW
80.82349 79.2 deg 288.105 deg Mariana Islands 2007/01/30 21:37:45 GMT (21.0, 144.7) 30 km 6.3 MB, 6.5 MS, 6.6 MW, 6.5 MW

Losers

(2 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude Reason
96.8622 75.9 deg 234.237 deg Fiji Islands Region 2004/07/15 04:27:12 GMT (-17.6, -178.6) 560 km 5.5 MB
79.67564 42.2 deg 118.888 deg Near Coast Of Nicaragua 2005/07/02 02:16:43 GMT (11.2, -86.2) 27 km 5.6 MB, 6.4 MS, 6.6 MW, 6.6 MW