Station BK HOPS - Hopland Field Station, Hopland, CA

Network: BK - Berkeley Digital Seismograph Network

Nearby stations (2 deg radius)

Station Name (Lat, Lon) Start / End Elevation
HOPS Hopland Field Station, Hopland, CA (38.99, -123.07) 1998-03-24 / 2499-01-01 299 m
Crust2 Type:T6,Margin /shield transition, 1 km seds.
Thickness Estimate:34 km
Thickness StdDev:5.2 km
Vp/Vs Estimate:1.62
Vp/Vs StdDev:0.09
Vs Estimate:3.995 km/s
Poisson's Ratio:0.19
Peak Value:0.03
Assumed Vp:6.472 km/s
Ps Weight:0.33333334
PpPs Weight:0.33333334
PsPs Weight:0.33333328
Residual Complexity:0.632
Nearby stations H: +-
(2.0 deg) Vp/Vs: +-

19 with match > 90% ( 51.351353 %) and 35 with match > 80% ( 94.5946 %) out of 37.

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 1.62 6.472 km/s 3.995 km/s 0.19
Crust2.0 32 km 1.79 6.472 km/s 3.622 km/s 0.27 T6,Margin /shield transition, 1 km seds.
Global Maxima 34 km 1.62 6.472 km/s 3.995 km/s 0.19 amp=0.031129707
Local Maxima 1 25 km 1.92 6.472 km/s 3.371 km/s 0.31 amp=0.02050196
Local Maxima 2 65 km 1.87 6.472 km/s 3.461 km/s 0.30 amp=0.013127842
Local Maxima 3 50 km 2.10 6.472 km/s 3.086 km/s 0.35 amp=0.006214912
Local Maxima 4 66 km 1.88 6.472 km/s 3.442 km/s 0.30 amp=0.005590813
Predicted Arrivals for vertical incidence
(zero ray parameter)
Ps3.31 SECOND
PpPs13.97 SECOND
PsPs/PpSs17.27 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

(35 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude
97.35293 59.1 deg 307.007 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
96.78864 76.7 deg 301.91 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
96.31713 78.7 deg 130.848 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
96.094154 30.2 deg 313.495 deg Alaska Peninsula 2007/10/02 18:03:54 GMT (54.4, -161.7) 47 km 5.6 MB, 5.2 ML
95.8053 87.5 deg 257.115 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
95.37697 77.3 deg 128.867 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
94.99173 87.7 deg 225.124 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
94.89866 75.8 deg 228.895 deg Tonga Islands 2006/05/03 15:26:40 GMT (-20.2, -174.1) 55 km 7.2 MB, 7.8 MS, 7.9 MW, 7.9 MW
94.88064 77.1 deg 302.059 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
94.22085 71.8 deg 229.592 deg Samoa Islands Region 2006/09/28 06:22:09 GMT (-16.6, -172.0) 28 km 6.5 MB, 6.6 MS, 6.9 MW, 6.7 MW
93.22064 68.7 deg 302.199 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
93.003296 87.7 deg 262.381 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
92.77813 79.9 deg 129.449 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
92.70459 61.9 deg 124.872 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
91.09763 88.3 deg 224.626 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
90.96971 53.5 deg 117.718 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
90.61284 65.9 deg 306.58 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
90.152115 47.3 deg 321.438 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
90.08825 74.8 deg 235.508 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
89.489876 59.2 deg 306.888 deg Kuril Islands 2006/10/01 09:06:02 GMT (46.5, 153.2) 19 km 6.1 MB, 6.4 MS, 6.6 MW, 6.5 MW
89.37813 70.5 deg 303.688 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
88.98346 84.4 deg 278.871 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
88.2915 84.4 deg 244.686 deg Vanuatu Islands 2006/08/07 22:18:54 GMT (-15.8, 167.8) 141 km 6.0 MB, 6.8 MW, 6.8 MW
88.091125 86.6 deg 240.156 deg Vanuatu Islands 2007/03/25 00:40:01 GMT (-20.6, 169.4) 34 km 6.5 MB, 7.0 MS, 7.1 MW, 7.1 MW
87.50152 85.4 deg 225.547 deg Kermadec Islands, New Zealand 2007/01/31 03:15:52 GMT (-29.8, -178.0) 34 km 6.1 MB, 6.3 MS, 6.5 MW, 6.4 MW
86.970184 42.8 deg 307.653 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
86.27069 80.9 deg 283.157 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
86.26782 79.5 deg 285.758 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
86.10098 41.4 deg 306.636 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
85.78303 83.7 deg 246.16 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
84.07167 87.9 deg 282.254 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
82.19744 67.8 deg 130.453 deg Near Coast Of Peru 2006/10/20 10:48:56 GMT (-13.5, -76.7) 23 km 5.9 MB, 6.6 MS, 6.7 MW, 6.6 MW
82.16344 85.3 deg 251.95 deg Solomon Islands 2004/10/08 08:27:53 GMT (-11.0, 162.2) 36 km 6.1 MB, 6.9 MS, 6.8 MW, 6.8 MW
82.0282 40.7 deg 306.736 deg Andreanof Islands, Aleutian Is. 2007/12/19 09:30:27 GMT (51.4, -179.5) 29 km 6.4 MB, 7.1 MS, 7.1 MW, 7.0 MW
80.534065 58.6 deg 306.155 deg East Of Kuril Islands 2006/12/07 19:10:21 GMT (46.2, 154.4) 16 km 6.3 MB, 6.1 MS, 6.3 MW, 6.3 MW

Losers

(2 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude Reason
95.017685 76.6 deg 233.929 deg Fiji Islands Region 2004/07/15 04:27:12 GMT (-17.6, -178.6) 560 km 5.5 MB
66.41356 42.9 deg 120.042 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