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Earthquake Hazards Program

Magnitude 4.4 TANZANIA

Sunday, July 15, 2007 at 10:07:11 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
Nairobi, Kenya 1.74 0:30.210:07:41.2Pn
Rome, Italy 49.48 8:50.410:16:01.4P
Kathmandu, Nepal 56.22 9:40.210:16:51.2P
Moscow, Russia 58.46 9:56.010:17:07.0P
London, England 62.3710:22.810:17:33.8P
Bergen, Norway 67.5210:56.310:18:07.3P
Beijing, China 84.3912:32.510:19:43.5P
Palmer Station, Antarctica 91.2013:05.310:20:16.3P
San Juan, Puerto Rico 102.5813:56.510:21:07.5Pdiff
Bangor, Maine 102.6313:56.710:21:07.7Pdiff
Tokyo, Japan 102.7213:57.110:21:08.1Pdiff
Boston, Massachusetts 104.6814:05.810:21:16.9Pdiff
New York, New York 107.1314:16.710:21:27.7Pdiff
Ottawa, Canada 107.3314:17.610:21:28.6Pdiff
Philadephia, Pennsylvania 108.1514:21.310:21:32.3Pdiff
Agana, Guam 108.7414:23.910:21:34.9Pdiff
Washington, D.C. 109.7914:28.510:21:39.5Pdiff
Lima, Peru 112.0014:38.410:21:49.4Pdiff
Brisbane, Australia 112.1714:39.110:21:50.1Pdiff
Miami, Florida 114.9314:51.410:22:02.4Pdiff
Knoxville, Tennessee 116.8014:59.610:22:10.6Pdiff
Duluth, Minnesota 117.5515:03.010:22:14.0Pdiff
St. Louis, Missouri 119.7015:12.510:22:23.5Pdiff
Anchorage, Alaska 121.6515:21.210:22:32.2Pdiff
Wellington, New Zealand 122.1215:23.310:22:34.3Pdiff
Wichita, Kansas 125.1415:36.710:22:47.7Pdiff
Golden, Colorado 129.3115:55.210:23:06.2Pdiff
Brownsville, Texas 130.0215:58.310:23:09.3Pdiff
Seattle, Washington 131.5816:05.210:23:16.2Pdiff
Albuquerque, New Mexico 132.9416:11.310:23:22.3Pdiff
Mexico City, Mexico 133.4016:13.310:23:24.3Pdiff
Phoenix, Arizona 137.5316:31.710:23:42.7Pdiff
San Francisco, California 140.1316:43.210:23:54.2Pdiff
Los Angeles, California 140.8916:46.610:23:57.6Pdiff
Honolulu, Hawaii 157.1819:55.310:27:06.3PKPdf

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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