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Earthquake Hazards Program

Magnitude 5.1 SOUTHERN CALIFORNIA

2008 December 06 04:18:42 UTC

Theoretical P-Wave Travel Times

Theoretical P-wave Travel Times
Theoretical P-wave Travel Times

These maps show the predicted (theoretical) travel times, in minutes, of the compressional (P) wave from the earthquake location to points around the globe. The travel times are computed using the spherically-symmetric IASP91 reference earth velocity model. The heavy black lines shown are the approximate distances to the P-wave shadow zone (103 to 140 degrees).

Theoretical P-Wave Travel Times
City Distance
(degrees)
Travel Time
(min:secs)
Arrival Time
UTC
Phase
Los Angeles, California 1.69 0:30.0 4:19:12.0Pn
Phoenix, Arizona 3.85 0:59.8 4:19:41.8Pn
San Francisco, California 5.68 1:24.9 4:20:06.9Pn
Albuquerque, New Mexico 8.04 1:57.3 4:20:39.3Pn
Golden, Colorado 10.21 2:27.0 4:21:09.0Pn
Seattle, Washington 13.71 3:14.9 4:21:56.9Pn
Wichita, Kansas 15.67 3:41.4 4:22:23.4Pn
Brownsville, Texas 18.56 4:17.5 4:22:59.5P
St. Louis, Missouri 21.30 4:47.3 4:23:29.3P
Mexico City, Mexico 21.65 4:51.1 4:23:33.1P
Duluth, Minnesota 21.80 4:52.8 4:23:34.8P
Knoxville, Tennessee 25.46 5:28.7 4:24:10.7P
Washington, D.C. 31.61 6:23.6 4:25:05.6P
Miami, Florida 32.42 6:30.7 4:25:12.7P
Ottawa, Canada 32.57 6:32.0 4:25:14.0P
Philadephia, Pennsylvania 32.97 6:35.5 4:25:17.5P
New York, New York 33.80 6:42.7 4:25:24.7P
Anchorage, Alaska 33.96 6:44.1 4:25:26.1P
Boston, Massachusetts 35.89 7:00.7 4:25:42.7P
Bangor, Maine 37.47 7:14.2 4:25:56.2P
Honolulu, Hawaii 38.67 7:24.3 4:26:06.3P
San Juan, Puerto Rico 47.31 8:34.3 4:27:16.3P
Lima, Peru 59.7410:05.6 4:28:47.6P
Bergen, Norway 73.8611:35.6 4:30:17.6P
London, England 77.5311:56.7 4:30:38.7P
Tokyo, Japan 80.2312:11.5 4:30:53.5P
Moscow, Russia 87.1312:46.8 4:31:28.8P
Agana, Guam 89.5112:58.1 4:31:40.1P
Rome, Italy 90.4713:02.5 4:31:44.5P
Beijing, China 91.0913:05.4 4:31:47.4P
Wellington, New Zealand 98.5713:39.5 4:32:21.5Pdiff
Brisbane, Australia 105.5714:10.5 4:32:52.5Pdiff
Palmer Station, Antarctica 109.5314:28.1 4:33:10.1Pdiff
Kathmandu, Nepal 114.5214:50.3 4:33:32.2Pdiff
Nairobi, Kenya 138.3616:36.0 4:35:18.0Pdiff

Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver


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