Theoretical P-Wave Travel Times

Thursday, February 21, 2013 at 15:48:11 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
Kathmandu, Nepal 15.17 3:24.715:51:35.7Pn
Moscow, Russia 29.46 5:46.215:53:57.2P
Beijing, China 35.76 6:40.815:54:51.8P
Rome, Italy 44.69 7:54.015:56:05.0P
Bergen, Norway 47.08 8:12.715:56:23.7P
Nairobi, Kenya 49.07 8:27.915:56:38.9P
London, England 51.14 8:43.515:56:54.5P
Tokyo, Japan 54.63 9:09.015:57:20.0P
Agana, Guam 69.3410:47.115:58:58.1P
Anchorage, Alaska 77.1311:32.715:59:43.7P
Bangor, Maine 91.1412:43.316:00:54.3P
Ottawa, Canada 92.9812:51.816:01:02.8P
Boston, Massachusetts 94.1212:56.916:01:07.9P
Seattle, Washington 95.2413:02.016:01:13.0P
Duluth, Minnesota 95.6813:04.116:01:15.1P
New York, New York 96.5913:08.116:01:19.1P
Philadelphia, Pennsylvania 97.6813:13.016:01:24.0P
Washington, D.C. 99.2713:20.016:01:31.1Pdiff
Brisbane, Australia 100.1413:23.916:01:34.9Pdiff
St. Louis, Missouri 103.1413:37.216:01:48.2Pdiff
Golden, Colorado 104.0013:41.116:01:52.1Pdiff
Knoxville, Tennessee 104.4913:43.216:01:54.2Pdiff
San Francisco, California 105.0713:45.816:01:56.8Pdiff
Wichita, Kansas 105.2513:46.616:01:57.6Pdiff
Honolulu, Hawaii 106.4313:51.816:02:02.8Pdiff
Albuquerque, New Mexico 108.7114:02.016:02:13.0Pdiff
Los Angeles, California 109.2814:04.516:02:15.5Pdiff
Phoenix, Arizona 110.3314:09.216:02:20.2Pdiff
San Juan, Puerto Rico 111.7814:15.616:02:26.6Pdiff
Miami, Florida 112.2414:17.616:02:28.6Pdiff
Brownsville, Texas 116.9214:38.416:02:49.4Pdiff
Wellington, New Zealand 122.4815:03.116:03:14.1Pdiff
Mexico City, Mexico 123.5415:07.816:03:18.8Pdiff
Palmer Station, Antarctica 139.8216:20.016:04:31.0Pdiff
Lima, Peru 142.1716:30.516:04:41.5Pdiff

Travel Time Information and Calculator

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