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Earthquake Hazards Program

Magnitude 5.1 PHILIPPINE ISLANDS REGION

Friday, March 21, 2008 at 17:40:28 UTC

Theoretical P-Wave Travel Times

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
Agana, Guam 18.43 4:12.417:44:42.4P
Tokyo, Japan 25.82 5:27.917:45:57.9P
Beijing, China 28.05 5:47.917:46:17.9P
Kathmandu, Nepal 40.49 7:35.217:48:05.2P
Brisbane, Australia 48.13 8:36.317:49:06.3P
Wellington, New Zealand 70.4111:10.517:51:40.5P
Honolulu, Hawaii 72.8211:25.117:51:55.1P
Anchorage, Alaska 75.9511:43.317:52:13.3P
Moscow, Russia 78.3111:56.517:52:26.5P
Nairobi, Kenya 89.3012:52.517:53:22.5P
Bergen, Norway 92.9613:09.517:53:39.5P
Seattle, Washington 94.5613:16.817:53:46.8P
Rome, Italy 98.0113:32.417:54:02.4P
San Francisco, California 98.6213:35.117:54:05.1Pdiff
London, England 100.5713:43.717:54:13.7Pdiff
Los Angeles, California 103.2613:55.617:54:25.6Pdiff
Phoenix, Arizona 108.0914:17.117:54:47.1Pdiff
Golden, Colorado 109.2914:22.417:54:52.4Pdiff
Albuquerque, New Mexico 111.0514:30.217:55:00.2Pdiff
Duluth, Minnesota 111.4614:32.117:55:02.1Pdiff
Wichita, Kansas 115.2914:49.017:55:19.0Pdiff
St. Louis, Missouri 118.5315:03.417:55:33.4Pdiff
Ottawa, Canada 118.6815:04.117:55:34.1Pdiff
Bangor, Maine 120.9715:14.317:55:44.3Pdiff
Boston, Massachusetts 122.7915:22.317:55:52.3Pdiff
Brownsville, Texas 122.7915:22.317:55:52.4Pdiff
Knoxville, Tennessee 123.1815:24.117:55:54.1Pdiff
New York, New York 123.4915:25.417:55:55.4Pdiff
Philadephia, Pennsylvania 123.8215:26.917:55:56.9Pdiff
Washington, D.C. 124.1315:28.317:55:58.3Pdiff
Palmer Station, Antarctica 124.9015:31.717:56:01.7Pdiff
Mexico City, Mexico 125.2215:33.117:56:03.1Pdiff
Miami, Florida 133.8916:11.617:56:41.6Pdiff
San Juan, Puerto Rico 146.5719:35.518:00:05.5PKPdf
Lima, Peru 157.6619:51.918:00:21.9PKPdf

Travel Time Information and Calculator

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


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