To install click the Add extension button. That's it.

The source code for the WIKI 2 extension is being checked by specialists of the Mozilla Foundation, Google, and Apple. You could also do it yourself at any point in time.

Kelly Slayton
Congratulations on this excellent venture… what a great idea!
Alexander Grigorievskiy
I use WIKI 2 every day and almost forgot how the original Wikipedia looks like.
Live Statistics
English Articles
Improved in 24 Hours
Added in 24 Hours
Show all languages
What we do. Every page goes through several hundred of perfecting techniques; in live mode. Quite the same Wikipedia. Just better.

1949 Olympia earthquake

From Wikipedia, the free encyclopedia

1949 Olympia earthquake
1949 Olympia earthquake is located in Washington (state)
1949 Olympia earthquake
UTC time1949-04-13 19:55:43
ISC event896466
Local dateApril 13, 1949 (1949-04-13)
Local time11:55:44
Duration~ 20 s [1]
Magnitude7.1 Mw[2]
Depth50 km (31 mi) [3]
Epicenter47°00′N 122°32′W / 47.0°N 122.53°W / 47.0; -122.53 [3]
Areas affectedPuget Sound region
United States
Total damage$25 million [4]
Max. intensityVIII (Severe) [4]
Peak acceleration.25g [1]
Casualties8 killed [4]
At least 64 injured [5]

The 1949 Olympia earthquake occurred on April 13 at 11:55:44 local time with a magnitude of 7.1[2] and a maximum Mercalli Intensity of VIII (Severe). The earthquake was triggered more than 50 kilometres (31 mi) deep.[2] The shock was located in the area between Olympia and Tacoma, and was felt throughout the state, as well as parts of Oregon, British Columbia, Idaho, and Montana. It is the largest recorded earthquake to occur in the Puget Sound region of Washington.

Eight people were killed, including young crossing guard Marvin Klegman who shielded a second-grader from falling bricks.[2] At least 64 people were injured, and the total damage is estimated at $25 million.


Damage in Olympia from the earthquake was estimated between $500,000 and $1 million by Governor Arthur B. Langlie.[6] Eight buildings on the State Capital campus were damaged by the earthquake, as well as the Old Capitol Building in downtown Olympia.[7] A 23-ton cradle on the east tower of the Tacoma Narrows Bridge fell 500 feet, injuring two men.The earthquake caused geysers to explode along the railroad track in the Tacoma tidal flats and in Puyallup. Chimneys throughout western Washington collapsed.[2]

See also


  1. ^ a b Baker, G. E.; Langston, C. A. (1987), "Source parameters of the 1949 magnitude 7.1 south Puget Sound, Washington, earthquake as determined from long-period body waves and strong ground motions", Bulletin of the Seismological Society of America, 77 (5): 1546
  2. ^ a b c d e McNair-Huff, Rob & Natalie (2016). Washington Disasters. Rowman & Littlefield. pp. 129–134. ISBN 978-1-4930-1322-7.
  3. ^ a b ISC (2014), ISC-GEM Global Instrumental Earthquake Catalogue (1900–2009), Version 1.05, International Seismological Centre
  4. ^ a b c Stover, C. W.; Coffman, J. L. (1993), Seismicity of the United States, 1568–1989 (Revised), U.S. Geological Survey Professional Paper 1527, United States Government Printing Office, pp. 380, 385, 386
  5. ^ "Earthquake damage in Pioneer Square, Seattle, April 13, 1949". Museum of History and Industry. Retrieved 16 November 2017.
  6. ^ "Olympia Damage Half Million, Says Langlie". The Seattle Daily Times. April 19, 1949. p. 7.
  7. ^ "Earthquake Listed as Major; 5 Dead; Damage in Millions". The Seattle Daily Times. April 13, 1949. p. 1.

Further reading

External links

This page was last edited on 6 August 2020, at 06:49
Basis of this page is in Wikipedia. Text is available under the CC BY-SA 3.0 Unported License. Non-text media are available under their specified licenses. Wikipedia® is a registered trademark of the Wikimedia Foundation, Inc. WIKI 2 is an independent company and has no affiliation with Wikimedia Foundation.