NASA Home Page Goddard Space Flight Center Home Page
NASA Logo - Goddard Space Flight Center   + Visit
a directory of Earth science data and services Global Change Master Directory Web site
header 2 bullet Links bullet FAQ bullet Contact Us bullet Site Map
Home Data Sets Data Services Learn about GCMD_legacy's portal collaborations. Add new dataset or dataservice records to GCMD_legacy What's New Participate Calendar About GCMD_legacy
Record Search Query: ServiceParameters>HAZARDS MANAGEMENT>HAZARDS PLANNING

West Coast and Alaska Tsunami Warning Center (WC/ATWC)
[ Update this Record ]

Click to see members of this collection.

Abstract: West Coast & Alaska Tsunami Warning Center provides information on most recent
tsunamis (via email subscription service), how to prepare for a tsunami, and
background information on tsunamis and earthquakes.

To accomplish its mission of providing accurate and timely tsunami bulletins to
coastal populations of California, Oregon, Washington, British Columbia, and
Alaska, the West Coast/Alaska Tsunami Warning Center (WC/ATWC) detects,
locates, sizes, and analyzes earthquakes throughout the Pacific basin.
Earthquakes that activate the WC/ATWC alarm system initiate an earthquake and
tsunami investigation which includes the following four basic steps: automatic
locating and sizing the earthquake; earthquake analysis, review, and
modification by the duty scientist if necessary; obtaining sea level data from
water level sites throughout the Pacific basin to verify the existence of a
tsunami and to calibrate models; and disseminating information to appropriate
emergency management officials.

Related URL
Description: Alaska Region Headquarters

Description: TsunamiReady Program
Service Citation
Title: West Coast and Alaska Tsunami Warning Center
Provider: Alaska Region Headquarters, NWS, NOAA, U.S. Department of Commerce
ISO Topic Category
Service Provider
West Coast and Alaska Tsunami Warning Center, Alaska Region Headquarters, National Weather Service, NOAA, U.S. Department of Commerce

Service Provider Personnel
Phone: 907-745-4212
Fax: 907-745-6071
Email: wcatwc at
Contact Address:
West Coast & Alaska Tsunami Warning Center
910 S. Felton St.
Province or State: AK
Postal Code: 99645
Country: USA
Phone: (301) 614-6898
Fax: 301-614-5268
Email: Tyler.B.Stevens at
Contact Address:
NASA Goddard Space Flight Center
Global Change Master Directory
City: Greenbelt
Province or State: MD
Postal Code: 20771
Country: USA
Johnson, C.E., Bittenbinder, A., Bogaert, B., Dietz, L., and Kohler, W, 1995,
Earthworm: A flexible approach to seismic network processing, IRIS Newsletter,
14, 1-4.

Lander, J.F. and P.A. Lockridge, 1989, United States Tsunamis, 1690-1989. U.S.
Department of Commerce, NOAA, NESDIS, National Geophysical Data Center, Pub.
41-2, Boulder, CO.

Soloviev, S.L., and Go, Ch.N., 1984, Catalogue of Tsunamis in the Pacific
Ocean, Nauka Publishing House, Moscow.

Sokolowski, T. J., Fuller, G.W., Blackford, M.E. and Jorgensen, W.J., 1983, The
Alaska Tsunami Warning Center's automatic earthquake processing system.,
Proceedings of the International Tsunami Symposium, IUGG, Hamburg, Germany.

Urban, G.W., Medbery, A.H., and Sokolowski, T.J., 2001, Using a Satellite
Telephone To Retrieve Tsunami Data From Tide Sites in the Pacific Basin,
Science of Tsunami Hazards; Pub19-2; 71-75, The Tsunami Society, Honolulu, HI

Veith, K.F. 1978, Seismic signal detection algorithm, Technical Note 1/78,
Teledyne Geotech, 10 pp.

Whitmore, P.M. and Sokolowski, T.J.: 1996, Predicting tsunami amplitudes along
the North American coast from tsunamis generated in the northwest Pacific
during tsunami warnings, Science of Tsunami Hazards, 14, 147-166.

Zitek, W.O., Medbery, A.H., and Sokolowski, T.J.: 1990, Concurrent seismic data
acquisition and processing using a single IBM PS/2 computer, NOAA Technical
Memorandum, NWS AR-40.
Creation and Review Dates
SERF Creation Date: 2003-07-08
SERF Last Revision Date: 2006-09-07
[ Update this Record ]
USA dot gov - The U.S. Government's Official Web Portal NASA
Webmaster:  Monica Lyles
Responsible NASA Official:  Dr. Stephen Wharton
Last Updated:  January 2017