Moderate mag. 4.5 earthquake - New Madrid County, 34 mi east of Poplar Bluff, Butler County, Missouri, USA, on Saturday, 4 May 1991 at 01:18 (GMT)
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Moderate magnitude 4.5 earthquake at 11 km depth
1 Jan 00:00 UTC: First to report: USGS after 30 seconds.
Depth: 11.2 km
Epicenter latitude / longitude: 36.575°N / 89.825°W (New Madrid, Missouri, United States)
Nearby towns and cities:
2 km (2 mi) NNW of Risco (pop: 328) --> See nearby quakes!
13 km (8 mi) E of Malden (pop: 4,120) --> See nearby quakes!
20 km (12 mi) NW of Portageville (pop: 3,150) --> See nearby quakes!
27 km (17 mi) SSE of Dexter (pop: 7,990) --> See nearby quakes!
40 km (25 mi) SSW of Sikeston (Scott County) (pop: 16,400) --> See nearby quakes!
43 km (27 mi) NNE of Kennett (Dunklin County) (pop: 10,700) --> See nearby quakes!
55 km (34 mi) ESE of Poplar Bluff (Butler County) (pop: 17,300) --> See nearby quakes!
113 km (70 mi) NE of Jonesboro (Arkansas) (pop: 73,900) --> See nearby quakes!
140 km (87 mi) NW of Jackson (Tennessee) (pop: 67,000) --> See nearby quakes!
304 km (189 mi) SE of Jefferson City (pop: 43,200) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 3.5 x 1011 joules (98.6 megawatt hours, equivalent to 84.8 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.
|4.5||11 km||12km E of Malden, Missouri (USA)||USGS|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.