Moderate mag. 4.7 earthquake - 12 mi northwest of Sydney, Shelby County, Ohio, USA, on Sunday, September 20, 1931 at 23:05 (GMT)
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Moderate magnitude 4.7 earthquake at 5 km depth
Depth: 5.0 km
Epicenter latitude / longitude: 40.429°N / 84.27°W↗ (Ohio, United States)
Antipode: 40.429°S / 95.73°E↗
Nearby towns and cities:
8 km (5 mi) SSE of Knoxville (pop: 867) --> See nearby quakes!
19 km (12 mi) NNW of Sydney (pop: 20,900) --> See nearby quakes!
32 km (20 mi) N of Piqua (pop: 20,800) --> See nearby quakes!
32 km (20 mi) N of Washington (pop: 20,800) --> See nearby quakes!
38 km (23 mi) SSW of Lima (pop: 37,900) --> See nearby quakes!
44 km (27 mi) N of Troy (pop: 25,700) --> See nearby quakes!
68 km (43 mi) NW of Springfield (pop: 59,700) --> See nearby quakes!
75 km (46 mi) N of Dayton (pop: 140,600) --> See nearby quakes!
120 km (74 mi) WNW of Columbus (pop: 850,100) --> See nearby quakes!
642 km (399 mi) WNW of Washington (District of Columbia) (pop: 601,700) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 7.1 x 1011 joules (197 megawatt hours, equivalent to 169 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.
|4.7||5 km||Ohio (USA)||USGS|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.