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Earthquake Hazards Program

Magnitude 7.7 VANUATU

Wednesday, October 07, 2009 at 22:03:16 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 18.94 4:17.922:07:32.9P
Wellington, New Zealand 29.11 5:57.422:09:12.4P
Agana, Guam 33.84 6:38.922:09:53.9P
Honolulu, Hawaii 49.13 8:44.122:11:59.1P
Tokyo, Japan 54.52 9:24.322:12:39.3P
Beijing, China 70.0711:08.422:14:23.4P
Anchorage, Alaska 81.7512:15.022:15:30.0P
San Francisco, California 83.7112:25.222:15:40.2P
Los Angeles, California 85.6012:34.822:15:49.8P
Seattle, Washington 87.5412:44.222:15:59.2P
Kathmandu, Nepal 88.0912:46.822:16:01.8P
Phoenix, Arizona 90.3412:57.422:16:12.4P
Palmer Station, Antarctica 91.7013:03.722:16:18.7P
Albuquerque, New Mexico 95.1013:19.322:16:34.3P
Golden, Colorado 97.1613:28.622:16:43.6P
Mexico City, Mexico 98.5413:34.722:16:49.7Pdiff
Brownsville, Texas 101.1813:46.422:17:01.4Pdiff
Wichita, Kansas 102.9413:54.222:17:09.2Pdiff
Duluth, Minnesota 107.3414:13.822:17:28.8Pdiff
St. Louis, Missouri 108.5714:19.222:17:34.2Pdiff
Lima, Peru 112.4914:36.622:17:51.6Pdiff
Knoxville, Tennessee 112.5814:37.022:17:52.0Pdiff
Miami, Florida 116.6914:55.322:18:10.3Pdiff
Ottawa, Canada 118.8515:04.822:18:19.8Pdiff
Washington, D.C. 118.8715:05.022:18:20.0Pdiff
Philadelphia, Pennsylvania 120.1715:10.722:18:25.7Pdiff
New York, New York 120.9315:14.122:18:29.1Pdiff
Moscow, Russia 121.8715:18.322:18:33.3Pdiff
Boston, Massachusetts 122.7615:22.222:18:37.2Pdiff
Bangor, Maine 123.7715:26.722:18:41.7Pdiff
Nairobi, Kenya 127.8015:44.622:18:59.6Pdiff
San Juan, Puerto Rico 129.4915:52.122:19:07.1Pdiff
Bergen, Norway 130.7015:57.422:19:12.4Pdiff
London, England 140.1016:39.222:19:54.2Pdiff
Rome, Italy 143.2816:53.322:20:08.3Pdiff

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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