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Earthquake Hazards Program

Magnitude 4.0 TANZANIA

Thursday, July 19, 2007 at 21:07:19 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 1.63 0:28.821:07:47.8Pn
Rome, Italy 49.17 8:48.021:16:07.0P
Kathmandu, Nepal 56.26 9:40.521:16:59.5P
Moscow, Russia 58.23 9:54.421:17:13.4P
London, England 62.0610:20.721:17:39.7P
Bergen, Norway 67.2310:54.521:18:13.5P
Beijing, China 84.4112:32.621:19:51.6P
Palmer Station, Antarctica 91.3413:05.921:20:24.9P
Bangor, Maine 102.2913:55.321:21:14.3Pdiff
San Juan, Puerto Rico 102.2913:55.221:21:14.2Pdiff
Tokyo, Japan 102.7613:57.421:21:16.4Pdiff
Boston, Massachusetts 104.3514:04.421:21:23.4Pdiff
New York, New York 106.8014:15.321:21:34.3Pdiff
Ottawa, Canada 107.0014:16.221:21:35.2Pdiff
Philadephia, Pennsylvania 107.8214:19.821:21:38.8Pdiff
Agana, Guam 108.9114:24.621:21:43.6Pdiff
Washington, D.C. 109.4614:27.121:21:46.1Pdiff
Lima, Peru 111.8414:37.621:21:56.6Pdiff
Brisbane, Australia 112.4914:40.521:21:59.5Pdiff
Miami, Florida 114.6214:50.021:22:09.0Pdiff
Knoxville, Tennessee 116.4714:58.221:22:17.2Pdiff
Duluth, Minnesota 117.2215:01.521:22:20.5Pdiff
St. Louis, Missouri 119.3715:11.121:22:30.1Pdiff
Anchorage, Alaska 121.4215:20.221:22:39.2Pdiff
Wellington, New Zealand 122.4515:24.721:22:43.8Pdiff
Wichita, Kansas 124.8115:35.221:22:54.2Pdiff
Golden, Colorado 128.9815:53.721:23:12.7Pdiff
Brownsville, Texas 129.7015:56.921:23:15.9Pdiff
Seattle, Washington 131.2716:03.921:23:22.9Pdiff
Albuquerque, New Mexico 132.6116:09.821:23:28.8Pdiff
Mexico City, Mexico 133.0916:12.021:23:31.0Pdiff
Phoenix, Arizona 137.2016:30.221:23:49.2Pdiff
San Francisco, California 139.8116:41.821:24:00.8Pdiff
Los Angeles, California 140.5616:45.121:24:04.1Pdiff
Honolulu, Hawaii 157.1219:55.221:27:14.2PKPdf

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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