Moderate mag. 5.5 earthquake - Departamento de Poman, 105 km northwest of San Fernando del Valle de Catamarca, Departamento de Capital, Catamarca, Argentina, on Tuesday, 27 August 1974 at 15:20 (GMT)
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Moderate magnitude 5.5 earthquake at 147 km depth
1 Jan 00:00 UTC: First to report: USGS after 30 seconds.
Depth: 147.0 km
Epicenter latitude / longitude: 27.933°S / 66.667°W (Departamento de Poman, Catamarca, Argentina)
Nearest volcano: Robledo (166 km / 103 mi)
Nearby towns and cities:
52 km (32 mi) ESE of Londres (pop: 2,630) --> See nearby quakes!
52 km (32 mi) SW of Andalgala (pop: 14,100) --> See nearby quakes!
67 km (42 mi) NW of Poman (pop: 3,390) --> See nearby quakes!
73 km (45 mi) N of Arauco (La Rioja) (pop: 13,700) --> See nearby quakes!
89 km (56 mi) E of Tinogasta (pop: 14,500) --> See nearby quakes!
98 km (61 mi) ESE of Fiambala (pop: 8,060) --> See nearby quakes!
105 km (65 mi) NW of San Fernando del Vale de Katamarka (pop: 188,800) --> See nearby quakes!
118 km (73 mi) WSW of Aguilares (Río Chico, Tucuman) (pop: 32,500) --> See nearby quakes!
189 km (117 mi) SW of San Miguel de Tucuman (pop: 781,000) --> See nearby quakes!
456 km (283 mi) NNW of Cordoba (pop: 1,428,200) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.1 x 1013 joules (3.12 gigawatt hours, equivalent to 2682 tons of TNT or 0.2 atomic bombs!) More info
Data for the same earthquake reported by different agencies
Info: The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.
|5.5||147 km||Catamarca, Argentina||USGS|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
More infoRecorded aftershocks, latest first (1 quakes):
- 29 Sep 1974 04:22 UTC| M 4.6 |135 km (83.9 mi) depth|22 km (14 mi) distance| USGS | Details