Magnitude 5.8 - GUATEMALA

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2011 September 19 18:34:00 UTC

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Earthquake Details

  • This event has been reviewed by a seismologist.
Magnitude5.8
Date-Time
Location14.332°N, 90.142°W
Depth9 km (5.6 miles) (poorly constrained)
RegionGUATEMALA
Distances53 km (32 miles) SE of GUATEMALA, Guatemala
69 km (42 miles) E of Escuintla, Guatemala
74 km (45 miles) WNW of Santa Ana, El Salvador
1114 km (692 miles) ESE of MEXICO CITY, D.F., Mexico
Location Uncertaintyhorizontal +/- 18.5 km (11.5 miles); depth +/- 9.5 km (5.9 miles)
ParametersNST=226, Nph=228, Dmin=303.9 km, Rmss=1.21 sec, Gp=122°,
M-type=regional moment magnitude (Mw), Version=5
Source
  • Magnitude: USGS NEIC (WDCS-D)
    Location: USGS NEIC (WDCS-D)
Event IDusc0005wx9
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Earthquake Summary

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Earthquake Summary Poster

Felt Reports

At least one person killed at Guatemala. Felt (V) at Petapa; (IV) at Amatitlan, Cahabon, Fraijanes, Guatemala, Mixco and Santa Catarina Pinula; (III) at Antigua Guatemala. Also felt at Chichicastenango, Chimaltenango, Cuidad Vieja, Cotzumalguapa, Escuintla, Nahuala, Panajachel, San Andres Sojcabaja, San Jose Pinula, San Lucas Sacatepequez, Villa Canales and Villa Nueva. Felt (II) at Copan and San Pedro Sula, Honduras. Also felt at Comayagua. Felt (II) at San Salvador, El Salvador. Also felt at Ahuachapan, Antiguo Cuscatlan and Santa Ana. Felt at Belmopan, Dangriga and San Ignacio, Belize.

Tectonic Summary

The Guatemala earthquake of September 19, 2011, occurred as the result of normal faulting at shallow depth in the northwest corner of the Caribbean plate, in the Central American subduction zone. A preliminary determination of the earthquake’s focal-mechanism implies that the shock occurred as the result of faulting on a north-trending normal fault. The broad scale tectonics of the Central American subduction zone are controlled by the north-northeastward subduction of the Cocos plate beneath the Caribbean plate. The overriding Caribbean plate is characterized by east-west extensional stresses and experiences both strike-slip and normal-faulting earthquakes.

Earthquake Information for Central America