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Earthquake Hazards Program

Magnitude 4.9 NIAS REGION, INDONESIA

Saturday, April 11, 2009 at 01:59:47 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
Kathmandu, Nepal 28.77 5:53.9 2:05:41.9P
Beijing, China 42.35 7:50.0 2:07:38.0P
Agana, Guam 48.56 8:39.2 2:08:27.2P
Tokyo, Japan 52.27 9:07.2 2:08:55.2P
Nairobi, Kenya 60.4710:05.7 2:09:53.7P
Brisbane, Australia 60.6110:06.6 2:09:54.6P
Moscow, Russia 72.3711:21.9 2:11:09.9P
Wellington, New Zealand 81.3912:12.6 2:12:00.6P
Rome, Italy 85.3312:32.9 2:12:20.9P
Bergen, Norway 89.9712:55.1 2:12:43.1P
London, England 93.7413:12.5 2:13:00.5P
Anchorage, Alaska 99.8113:39.8 2:13:27.8Pdiff
Honolulu, Hawaii 103.4513:56.0 2:13:44.0Pdiff
Palmer Station, Antarctica 112.2614:35.1 2:14:23.1Pdiff
Seattle, Washington 120.3215:10.9 2:14:58.9Pdiff
San Francisco, California 126.7015:39.2 2:15:27.2Pdiff
Duluth, Minnesota 131.5916:00.9 2:15:48.9Pdiff
Los Angeles, California 131.6616:01.2 2:15:49.2Pdiff
Bangor, Maine 132.5916:05.3 2:15:53.3Pdiff
Ottawa, Canada 133.2216:08.1 2:15:56.1Pdiff
Golden, Colorado 134.4016:13.4 2:16:01.4Pdiff
Boston, Massachusetts 135.4616:18.0 2:16:06.0Pdiff
Phoenix, Arizona 135.8816:19.9 2:16:07.9Pdiff
Albuquerque, New Mexico 137.5916:27.5 2:16:15.5Pdiff
New York, New York 137.5916:27.5 2:16:15.5Pdiff
Philadelphia, Pennsylvania 138.5216:31.6 2:16:19.6Pdiff
Wichita, Kansas 139.0016:33.8 2:16:21.8Pdiff
St. Louis, Missouri 139.7816:37.2 2:16:25.2Pdiff
Washington, D.C. 139.8116:37.4 2:16:25.4Pdiff
Knoxville, Tennessee 143.0316:51.6 2:16:39.6Pdiff
Brownsville, Texas 149.5619:41.1 2:19:29.1PKPdf
Miami, Florida 153.1319:46.7 2:19:34.7PKPdf
Mexico City, Mexico 153.9719:47.9 2:19:35.9PKPdf
San Juan, Puerto Rico 154.5619:48.8 2:19:36.8PKPdf
Lima, Peru 167.7520:03.5 2:19:51.5PKPdf

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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