Английская Википедия:2009 Swan Islands earthquake
Шаблон:Short description Шаблон:Infobox earthquake
The 2009 Swan Islands earthquake occurred on May 28 at Шаблон:Tooltip with a moment magnitude of 7.3 and a maximum Mercalli intensity of VII (Very strong). The epicenter was located in the Caribbean Sea, Шаблон:Convert northeast of the island of Roatán, 19 miles northeast of Port Royal, Isla de Bahias, 15 miles northwest of Isla Barbaretta, and Шаблон:Convert north-northeast of La Ceiba.[1] Three aftershocks followed the earthquake within magnitude 4 range.[2]
Earthquake
The earthquake occurred at a depth of around Шаблон:Convert on a transform fault zone known as the Swan Islands Transform Fault on the southern margin of the Cayman Trough. It was a result of left-lateral strike-slip faulting. The Swan Island Transform Fault forms part of the tectonic boundary between the North American Plate and the Caribbean Plate, and continues onshore as the Motagua Fault and the Chixoy-Polochic Fault.
The 30-second offshore quake was felt in Guatemala, El Salvador, Belize, and as far as Cancún in Mexico. It was also felt in parts of Nicaragua, Costa Rica, Panama, Colombia, Cuba, Jamaica, and the Cayman Islands.[1][3][4]
Analysis of geodetic and seismic data indicated that up to 1 meter of slip occurred across a 250-km-long fault rupture. Although the epicenter was located far off the coast of Central America, the long rupture contributed to severe damage in Honduras. The earthquake ruptured a segment of plate boundary immediately east of the 1976 earthquake rupture on the Motagua Fault.[5]
Tsunami
A tsunami was observed with heights of Шаблон:Convert in Motagua River, Guatemala.[6]
Damage
The earthquake caused at least seven fatalities, 40 injuries, and more than 130 collapsed or damaged buildings across northern Honduras.[1] Two important bridges and a number of levees and port terminals were also seriously damaged.[7] In the Guatemalan department of Izabal, 35 buildings were destroyed and 80 were damaged. In Belize, at least 5 buildings were also destroyed and 25 were damaged. In Roatan, one home was damaged and one injury occurred.[1][8] The earthquake caused an estimated $37 million worth of damage, and electricity, Internet and telephone connections were cut throughout the majority of Honduras.[9]
A tsunami watch was put into effect by the Pacific Tsunami Warning Center for Honduras, Guatemala, and Belize and was discontinued 90 minutes after the earthquake occurred.[3]
See also
References
Further reading
External links
- The Magnitude 7.3 Honduras Earthquake May 28, 2009 – ExploringEarth
- Шаблон:Cite web
- Шаблон:EQ-isc-link
Шаблон:Earthquakes in 2009 Шаблон:Earthquakes in the Caribbean
- ↑ 1,0 1,1 1,2 1,3 Шаблон:Cite web
- ↑ Шаблон:Cite web
- ↑ 3,0 3,1 Шаблон:Cite news
- ↑ Шаблон:Cite web
- ↑ Шаблон:Cite journal
- ↑ Шаблон:Citation
- ↑ Belarbi, A., Luna, R., Applegate, K., Calderon, H., Rivera, O., Lopez, L.A. and Rodriguez, R., 2009. The M7.3 Honduras Earthquake of May 28, 2009, EERI Special Earthquake Report, 1–4
- ↑ Шаблон:Cite web Шаблон:Dead link
- ↑ Шаблон:Cite web
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