Theoretical P-Wave Travel Times

Friday, January 25, 2013 at 20:25:04 UTC

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
Travel Time
Arrival Time
San Francisco, California 0.55 0:10.717:39:08.7Pg
Los Angeles, California 5.19 1:17.417:40:15.4Pn
Phoenix, Arizona 9.40 2:15.217:41:13.2Pn
Seattle, Washington 9.56 2:17.317:41:15.3Pn
Albuquerque, New Mexico 12.77 3:01.317:41:59.3Pn
Golden, Colorado 13.20 3:07.117:42:05.1Pn
Wichita, Kansas 19.48 4:26.517:43:24.5P
Duluth, Minnesota 23.51 5:09.817:44:07.8P
Brownsville, Texas 24.09 5:15.217:44:13.2P
St. Louis, Missouri 24.85 5:22.117:44:20.1P
Mexico City, Mexico 27.33 5:44.517:44:42.5P
Anchorage, Alaska 28.80 5:57.617:44:55.6P
Knoxville, Tennessee 29.39 6:02.917:45:00.9P
Ottawa, Canada 34.87 6:50.917:45:48.9P
Washington, D.C. 34.93 6:51.417:45:49.4P
Honolulu, Hawaii 35.08 6:52.717:45:50.7P
Philadelphia, Pennsylvania 36.11 7:01.517:45:59.5P
New York, New York 36.81 7:07.517:46:05.5P
Miami, Florida 37.32 7:11.817:46:09.8P
Boston, Massachusetts 38.62 7:22.817:46:20.8P
Bangor, Maine 39.83 7:32.917:46:30.9P
San Juan, Puerto Rico 52.19 9:10.317:48:08.3P
Lima, Peru 65.4010:42.317:49:40.3P
Bergen, Norway 72.7011:27.717:50:25.7P
Tokyo, Japan 74.5611:38.617:50:36.6P
London, England 77.2311:53.817:50:51.9P
Agana, Guam 84.2712:31.517:51:29.5P
Moscow, Russia 84.8012:34.217:51:32.2P
Beijing, China 85.5712:38.017:51:36.0P
Rome, Italy 90.1512:59.917:51:57.9P
Wellington, New Zealand 97.8813:35.217:52:33.2P
Brisbane, Australia 102.7913:57.017:52:55.0Pdiff
Kathmandu, Nepal 109.5814:27.117:53:25.1Pdiff
Palmer Station, Antarctica 114.2814:48.017:53:46.0Pdiff
Nairobi, Kenya 138.4316:35.217:55:33.2Pdiff

Travel Time Information and Calculator

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