Strong mag. 5.3 earthquake - Tyrrhenian Sea, 27 km northwest of Alicudi Porto, Italy, on Tuesday, May 21, 1957 at 11:44 (GMT)
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Strong magnitude 5.3 earthquake at 15 km depth
Depth: 15.0 km
Epicenter latitude / longitude: 38.726°N / 14.17°E↗ (Tyrrhenian Sea, Italy)
Antipode: 38.726°S / 165.83°W↗
Nearest volcano: Alicudi (24 km / 15 mi)
Nearby towns and cities:
40 km (25 mi) WNW of Filicudi Porto (pop: 307) --> See nearby quakes!
78 km (48 mi) N of Cefalu (Provincia di Palermo) (pop: 11,600) --> See nearby quakes!
81 km (51 mi) NW of Capo d'Orlando (Province of Messina) (pop: 12,000) --> See nearby quakes!
92 km (57 mi) NE of Bagheria (pop: 53,000) --> See nearby quakes!
92 km (57 mi) NNE of Termini Imerese (pop: 23,000) --> See nearby quakes!
96 km (60 mi) NE of Villabate (Provincia di Palermo) (pop: 19,000) --> See nearby quakes!
98 km (61 mi) NE of Palermo (pop: 648,300) --> See nearby quakes!
100 km (62 mi) NE of Misilmeri (Provincia di Palermo) (pop: 19,200) --> See nearby quakes!
134 km (83 mi) WNW of Messine (pop: 219,900) --> See nearby quakes!
379 km (236 mi) SSE of loma (pop: 2,318,900) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 5.6 x 1012 joules (1.56 gigawatt hours, equivalent to 1344 tons of TNT) 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.
|5.3||15 km||Sicily, Italy||USGS|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Recorded aftershocks, latest first (0 quakes)
So far, no aftershocks have been registered.