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Earthquake Hazards Program

Magnitude 5.0 VANUATU

Friday, March 20, 2009 at 14:21:50 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
Brisbane, Australia 16.20 3:44.214:25:34.2Pn
Wellington, New Zealand 23.95 5:09.714:26:59.7P
Agana, Guam 38.50 7:17.414:29:07.4P
Honolulu, Hawaii 51.93 9:03.814:30:53.8P
Tokyo, Japan 59.54 9:58.414:31:48.4P
Beijing, China 74.7211:34.714:33:24.7P
Anchorage, Alaska 86.1112:35.714:34:25.7P
San Francisco, California 86.1712:36.114:34:26.1P
Palmer Station, Antarctica 86.5612:38.014:34:28.0P
Los Angeles, California 87.6912:43.414:34:33.4P
Seattle, Washington 90.6912:57.514:34:47.5P
Kathmandu, Nepal 91.5013:01.214:34:51.2P
Phoenix, Arizona 92.2313:04.614:34:54.6P
Albuquerque, New Mexico 97.0213:26.414:35:16.4P
Mexico City, Mexico 98.9913:35.214:35:25.2Pdiff
Golden, Colorado 99.4313:37.114:35:27.1Pdiff
Brownsville, Texas 102.1713:49.314:35:39.3Pdiff
Wichita, Kansas 104.9514:01.614:35:51.6Pdiff
Lima, Peru 109.7114:22.814:36:12.8Pdiff
Duluth, Minnesota 110.0614:24.314:36:14.3Pdiff
St. Louis, Missouri 110.6014:26.714:36:16.7Pdiff
Knoxville, Tennessee 114.3414:43.314:36:33.3Pdiff
Miami, Florida 117.4514:57.114:36:47.1Pdiff
Washington, D.C. 120.9215:12.514:37:02.5Pdiff
Ottawa, Canada 121.5015:15.114:37:05.1Pdiff
Philadelphia, Pennsylvania 122.3315:18.814:37:08.8Pdiff
New York, New York 123.1715:22.514:37:12.5Pdiff
Boston, Massachusetts 125.1915:31.514:37:21.5Pdiff
Bangor, Maine 126.4615:37.114:37:27.1Pdiff
Moscow, Russia 126.7315:38.314:37:28.3Pdiff
Nairobi, Kenya 127.6715:42.514:37:32.5Pdiff
San Juan, Puerto Rico 129.3615:50.014:37:40.0Pdiff
Bergen, Norway 135.8516:18.814:38:08.8Pdiff
London, England 145.2519:31.214:41:21.2PKPbc
Rome, Italy 148.0519:37.514:41:27.5PKPdf

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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