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1986 Ohio earthquake

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Mb 5.0 earthquake in Ohio, United States

1986 Ohio earthquake
1986 Ohio earthquake is located in Ohio1986 Ohio earthquake
UTC time1986-01-31 11:46:18
ISC event507285
Local dateJanuary 31, 1986 (1986-01-31)
Local time11:46:18 EST (UTC-5)
MagnitudeMw5.0
Depth6.0 km (3.7 mi)
Epicenter41°38′N 81°08′W / 41.64°N 81.14°W / 41.64; -81.14
Max. intensityMMI VI (Strong)
Peak acceleration0.16 g
TsunamiNone
LandslidesNone

On January 31, 1986, at 11:46 EST (16:46 UTC), an earthquake of Mb 5.0 struck 40 kilometres (25 mi) east of Cleveland, Ohio, and about 17 kilometres (11 mi) south of the Perry Nuclear Power Plant. The earthquake was felt over a broad area due to its location, including parts of the US such as the District of Columbia, and parts of Ontario, Canada. The earthquake generated relatively high accelerations (0.18 g) of short duration at the Perry plant. Thirteen aftershocks were detected in the following weeks, with six occurring within the first 8 days. Two of the aftershocks were felt. Magnitudes for the aftershocks ranged from about 0.5 to 2.5. Focal depths for all of the earthquakes ranged from 2 to 6 km (1.2 to 3.7 mi). Except for one small earthquake, all of the aftershocks occurred in a very tight cluster with a north-northeast orientation.

Earthquake

The earthquake had a moment magnitude of 5.0 and a depth of 6 kilometres (4 mi). Its epicenter was 40 kilometres (25 mi) east of the city of Cleveland, but its exact location could not be found. Tremors were felt all across the Eastern United States, from Virginia to Northern Canada.

Few aftershocks were reported within the next weeks, but they were relatively weak, with the strongest being reported had a magnitude of 2.5. No damage was reported.

See also

References

  1. "34 years ago today, you likely felt the 1986 5.0 magnitude earthquake". News 5 Cleveland WEWS. January 31, 2020. Retrieved April 18, 2024.
  2. ^ Nicholson, C.; Roeloffs, E.; Wesson, R. L. (1988). "The northeastern Ohio earthquake of 31 January 1986: Was it induced?". Bulletin of the Seismological Society of America. 78 (1): 188–217. doi:10.1785/BSSA0780010188 (inactive November 1, 2024). ISSN 1943-3573.{{cite journal}}: CS1 maint: DOI inactive as of November 2024 (link)
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† indicates earthquake resulting in at least 30 deaths
‡ indicates the deadliest earthquake of the year
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