1949 Tierra del Fuego earthquakes
The 1949 Tierra del Fuego earthquakes occurred slightly more than eight hours apart on 17 December. Their epicenters were located in the east of the Chilean Tierra del Fuego Province, close to the Argentine border on the island of Tierra del Fuego.
The two shocks measured 7.7 and 7.6 on the moment magnitude scale and were the most powerful ever recorded in the south of Argentina and one of the most powerful in austral Chile. They were felt with intensities as high as VIII (Severe) on the Mercalli intensity scale, and affected the settlements of Punta Arenas and Río Gallegos.
See also
References
- ^ Costa, C.H.; Smalley Jr., R.; Schwartz, D.P.; Stenner, H.D.; Ellis, M.; Ahumada, E.A.; Velasco, M.S. (2006), "Paleoseismic observations of an onshore transform boundary: the Magallanes-Fagnano fault, Tierra del Fuego Argentina", Revista de la Asociación Geológica Argentina, 61 (4)
External links
- (in Spanish) Instituto Nacional de Prevención Sísmica. Listado de Terremotos Históricos.
- The International Seismological Centre has a bibliography and/or authoritative data for this event.
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- El Centro (6.9, May 18)
- Lima (8.2, May 24)†
- Shakotan (7.5, Aug 1)
- Vrancea (7.7, Nov 10) †‡
- New Hampshire (5.3 & 5.6, Dec 20 & Dec 24)
- Sa'dah (5.8, Jan 11) †‡
- Colima (7.7, Apr 15) †
- Andaman Islands (7.7–8.1, June 26)
- Van–Erciş (5.9, Sept 10) †
- Hyūga-nada (8.0, Nov 18)
- Gloria Fault (8.0, Nov 25)
- Chungpu (7.1, Dec 17) †
- Ecuador (7.9, May 14) †
- Wairarapa, New Zealand (7.2, June 24) †
- Guatemala (7.7, Aug 6) †
- Peru (8.2, Aug 24) †
- Niksar–Erbaa, Turkey (7.0, Dec 20) †‡
- Ovalle (7.9–8.3, April 6)
- Alahan Panjang (7.2 & 7.5, June 8 & 9)
- Adapazarı–Hendek (6.6, June 20) †
- Central Java (7.0, July 23) †
- Tottori (7.0, Sept 10) †
- Tosya–Ladik (7.5, Nov 26) ‡†
- San Juan (6.7–.7.8, Jan 15) †‡
- Bolu–Gerede (7.5, Feb 1) †
- Cornwall–Massena (5.8, Sept 5)
- Gulf of Edremit–Ayvacik (6.7, Oct 6) †
- Tōnankai (8.1, Dec 5) †
- Valais (6.1, January 25)
- Aleutian Islands (8.6, April 1) †
- Varto–Hınıs (5.9, May 31) †
- Vancouver Island (7.3, June 23)
- Dominican Republic (8.1, Aug 4) ‡†
- Sagaing (8.0, 7.8, Sep 12)
- Kyrgyzstan (7.6, Nov 2)
- Peru (6.8, Nov 10) †
- Hsinhua (6.1, Dec 5) †
- Nankai (8.1, Dec 21) †
- Lady Caycay (8.2, Jan 25) †
- Litang (7.2, May 25) †
- Fukui (6.8, June 28) †
- Salta (7.0, Aug 25)
- Ashgabat (7.3, Oct 5) ‡†
- Desert Hot Springs (6.3, Dec 4)
- Olympia (6.7, April 13)
- Khait (7.4, July 10) ‡†
- Ambato (6.8, Aug 5) †
- Karlıova (6.7, Aug 17) †
- Queen Charlotte Islands (8.1, Aug 22)
- Tierra del Fuego (7.8, Dec 17)
‡ indicates the deadliest earthquake of the year
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