Historic Earthquakes: Travel Times

Magnitude 6.9 RAT ISLANDS, ALEUTIAN ISLANDS, ALASKA
2003 June 23 12:12:36 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
(degrees)
Travel Time
(min:secs)
Arrival Time
UTC
Phase
Anchorage, Alaska 20.64 4:37.012:17:12.0P
Tokyo, Japan 30.71 6:12.112:18:47.1P
Honolulu, Hawaii 36.14 6:59.412:19:34.4P
Seattle, Washington 38.65 7:20.612:19:55.6P
Beijing, China 42.47 7:52.112:20:27.1P
San Francisco, California 44.19 8:06.012:20:41.0P
Agana, Guam 45.88 8:19.512:20:54.5P
Los Angeles, California 49.18 8:45.112:21:20.1P
Golden, Colorado 53.38 9:16.612:21:51.6P
Albuquerque, New Mexico 55.61 9:32.812:22:07.8P
Duluth, Minnesota 56.04 9:35.912:22:10.9P
Wichita, Kansas 59.27 9:58.612:22:33.6P
St. Louis, Missouri 62.6210:21.412:22:56.4P
Ottawa, Canada 65.0610:37.512:23:12.5P
Knoxville, Tennessee 67.3710:52.312:23:27.3P
Brownsville, Texas 67.6510:54.112:23:29.1P
Moscow, Russia 67.7710:54.912:23:29.9P
Bergen, Norway 68.1810:57.412:23:32.4P
Bangor, Maine 68.6611:00.412:23:35.4P
Washington, D.C. 69.3911:05.012:23:40.0P
New York, New York 69.4711:05.512:23:40.5P
Philadelphia, Pennsylvania 69.5011:05.712:23:40.7P
Boston, Massachusetts 69.5711:06.112:23:41.1P
Kathmandu, Nepal 69.6211:06.412:23:41.4P
Mexico City, Mexico 71.4511:17.612:23:52.6P
London, England 77.2711:51.412:24:26.4P
Miami, Florida 77.8911:54.912:24:29.9P
Brisbane, Australia 81.4412:14.112:24:49.1P
Rome, Italy 85.9112:37.012:25:12.0P
San Juan, Puerto Rico 91.4013:03.012:25:38.0P
Wellington, New Zealand 92.4913:08.012:25:43.0P
Lima, Peru 109.5014:24.112:26:59.1Pdiff
Nairobi, Kenya 119.6115:09.012:27:44.0Pdiff
Palmer Station, Antarctica 147.0119:37.012:32:12.0PKPdf