Earthquake

Event ID Magnitude Date Time Lat Lon Depth Bpga Bpgv
40169129 4.30 12/4/2004 17:48:04 PST N40.74 W123.80 18.98 km 0.07 0.12

Seismic Stations

KRMB: Red Mountain Agency: Northern California Seismic Network
Lat: N41.52 Lon: W123.91     Distance: 87.4 km from epicenter
Station Comp Maximum Velocity (cm/s) Maximum Acceleration (% g)
HNE 0.0029 -T 0.0101 -T
HNN 0.0036 -T 0.0141 -T
HHE 0.0027 -T 0.0088 -T
HHN 0.0034 -T 0.0102 -T

89146: Willow Creek Agency: California Geological Survey
Lat: N40.94 Lon: W123.63     Distance: 26.5 km from epicenter
Station Comp Maximum Velocity (cm/s) Maximum Acceleration (% g)
HNE 0.2100 0.6085
HNZ 0.0900 0.1998
HNN 0.2840 1.2954

KRP: Rodgers Agency: Northern California Seismic Network
Lat: N41.16 Lon: W124.02     Distance: 50.0 km from epicenter
Station Comp Maximum Velocity (cm/s) Maximum Acceleration (% g)
HNN 0.0202 0.0230

89734: Eureka - Geotechnical Array Agency: California Geological Survey
Lat: N40.82 Lon: W124.17     Distance: 31.9 km from epicenter
Station Comp Maximum Velocity (cm/s) Maximum Acceleration (% g)
HNE 0.3740 0.7903
HNZ 0.0100 0.0221
HNN 0.1200 0.2969

89781: Eureka - Harris and Dolbeer Agency: California Geological Survey
Lat: N40.78 Lon: W124.14     Distance: 29.2 km from epicenter
Station Comp Maximum Velocity (cm/s) Maximum Acceleration (% g)
HNE 1.1210 2.4566
HNZ 0.3700 0.9519
HNN 0.5020 1.3008

KHBB: Hayfork Bally Agency: Northern California Seismic Network
Lat: N40.66 Lon: W123.22     Distance: 50.0 km from epicenter
Station Comp Maximum Velocity (cm/s) Maximum Acceleration (% g)
HNE 0.0481 0.1591
HNN 0.0423 0.1937
HHE 0.0489 0.1833
HHN 0.0393 0.1907

1581: CA: Eureka, So. Bay Union School Agency: National Strong-Motion Program
Lat: N40.74 Lon: W124.21     Distance: 34.3 km from epicenter
Station Comp Maximum Velocity (cm/s) Maximum Acceleration (% g)
HNZ 0.1877 0.5808
HN2 0.9971 2.7650
HN3 0.6303 1.5667

KHMB: Horse Mountain Agency: Northern California Seismic Network
Lat: N40.88 Lon: W123.73     Distance: 16.2 km from epicenter
Station Comp Maximum Velocity (cm/s) Maximum Acceleration (% g)
HNE 0.3839 0.5361
HNN 0.4890 0.8181

1580: CA: Arcata, Humboldt State Univ Agency: National Strong-Motion Program
Lat: N40.87 Lon: W124.08     Distance: 27.6 km from epicenter
Station Comp Maximum Velocity (cm/s) Maximum Acceleration (% g)
HNE 0.3988 1.3216
HNZ 0.1241 0.4034
HNN 0.3393 1.0109