Moderate mag. 5.5 earthquake - Departamento de Poman, 113 km northwest of San Fernando del Valle de Catamarca, Departamento de Capital, Catamarca, Argentina, on Saturday, 18 August 1984 at 04:10 (GMT)
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Moderate magnitude 5.5 earthquake at 173 km depth
1 Jan 00:00 UTC: First to report: USGS after 30 seconds.
Depth: 172.8 km
Epicenter latitude / longitude: 27.876°S / 66.717°W (Departamento de Poman, Catamarca, Argentina)
Nearest volcano: Robledo (158 km / 98 mi)
Nearby towns and cities:
45 km (28 mi) ESE of Londres (pop: 2,630) --> See nearby quakes!
47 km (29 mi) SE of La Puerta de San José (Departamento de Belén) (pop: 1,070) --> See nearby quakes!
51 km (32 mi) SW of Andalgala (pop: 14,100) --> See nearby quakes!
75 km (47 mi) NW of Poman (pop: 3,390) --> See nearby quakes!
79 km (49 mi) N of Arauco (La Rioja) (pop: 13,700) --> See nearby quakes!
86 km (53 mi) ENE of Tinogasta (pop: 14,500) --> See nearby quakes!
92 km (57 mi) ESE of Fiambala (pop: 8,060) --> See nearby quakes!
113 km (70 mi) NW of San Fernando del Vale de Katamarka (pop: 188,800) --> See nearby quakes!
188 km (117 mi) SW of San Miguel de Tucuman (pop: 781,000) --> See nearby quakes!
464 km (288 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||173 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):
- 25 Sep 1984 05:31 UTC| M 4.5 |168.4 km (104.6 mi) depth|17 km (11 mi) distance| USGS | Details