Theoretical P-Wave Travel Times

Friday, April 19, 2013 at 18:35:39 UTC

Theoretical P-wave Travel Times

This map shows 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
Beijing, China 16.08 3:46.221:56:09.2Pn
Tokyo, Japan 18.00 4:10.321:56:33.3Pn
Agana, Guam 23.33 5:08.421:57:31.4P
Kathmandu, Nepal 33.91 6:43.021:59:06.0P
Brisbane, Australia 59.4510:02.922:02:25.9P
Anchorage, Alaska 67.1910:54.222:03:17.2P
Moscow, Russia 67.3410:55.222:03:18.2P
Honolulu, Hawaii 71.8711:23.222:03:46.2P
Bergen, Norway 81.2812:16.422:04:39.4P
Wellington, New Zealand 81.3412:16.722:04:39.7P
Seattle, Washington 86.9812:45.422:05:08.4P
Nairobi, Kenya 87.1212:46.122:05:09.1P
Rome, Italy 87.7812:49.322:05:12.3P
London, England 89.2112:56.022:05:19.0P
San Francisco, California 92.5513:11.522:05:34.5P
Los Angeles, California 97.4613:33.822:05:56.8P
Golden, Colorado 101.5913:52.122:06:15.1Pdiff
Phoenix, Arizona 101.8613:53.422:06:16.4Pdiff
Duluth, Minnesota 101.9913:53.922:06:16.9Pdiff
Albuquerque, New Mexico 104.1014:03.322:06:26.3Pdiff
Wichita, Kansas 107.1114:16.722:06:39.7Pdiff
Ottawa, Canada 108.0714:20.922:06:43.9Pdiff
St. Louis, Missouri 109.5814:27.622:06:50.6Pdiff
Bangor, Maine 109.9214:29.122:06:52.1Pdiff
Boston, Massachusetts 111.9514:38.122:07:01.1Pdiff
New York, New York 112.9314:42.522:07:05.5Pdiff
Philadelphia, Pennsylvania 113.3914:44.522:07:07.5Pdiff
Washington, D.C. 113.9214:46.922:07:09.9Pdiff
Knoxville, Tennessee 113.9614:47.122:07:10.1Pdiff
Brownsville, Texas 116.1514:56.822:07:19.8Pdiff
Mexico City, Mexico 119.8215:13.122:07:36.1Pdiff
Miami, Florida 124.9415:35.822:07:58.8Pdiff
San Juan, Puerto Rico 136.0716:25.222:08:48.2Pdiff
Palmer Station, Antarctica 136.7816:28.422:08:51.4Pdiff
Lima, Peru 157.1519:57.022:12:20.0PKPdf

Travel Time Information and Calculator

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