All earthquakesArkansas

Arkansas earthquakes in 1986

4 earthquakes of magnitude 2.5 or more were located in Arkansas in 1986. The largest: M3.1 3 km NNW of Vilonia, Arkansas, May 24, 1986.

From the USGS catalog. Times are local to each quake.

19851987

Map

Where every quake of 1986 was located in Arkansas. Select one for its page.

Open the live map with earthquakes

Every quake of 1986

Magnitude 2.5 and up, newest first.

Month by month

Counted by UTC date, which is how the catalog files them.

MonthQuakesLargestWhere
January 198612.75 km NE of Dell, Arkansas
February 198612.59 km SE of Guy, Arkansas
March 19860
April 19860
May 198613.13 km NNW of Vilonia, Arkansas
June 19860
July 19860
August 19860
September 198612.64 km NE of Dell, Arkansas
October 19860
November 19860
December 19860

What this means

The catalog is only as complete as the instruments of the time. Worldwide coverage of magnitude 5 and up dates from the 1960s, and of 4.5 from the 1990s; earlier years hold the large quakes and the ones near a station, so a low count in an early year means fewer instruments, not a quiet earth.

By year

Every year the USGS catalog covers.

Nearby

Arkansas nowWorldwide in 1986

Sources

Earthquakes, magnitudes, depths, shaking estimates and felt reports from the U.S. Geological Survey Earthquake Hazards Program, read from its live feeds and its catalog back to 1900. Tsunami messages from NOAA’s tsunami warning centers.