QuakeIndex

Earthquake · reviewed by a seismologist

M 2.2md

Earthquake near Yellville, AR

USGS: 2 km SE of Yellville, Arkansas

6:20 pm CDT, Oct 18, 2016 · · 2.5 km deep · released about 58 lb of TNT

Every earthquake near Yellville Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Marion County 7 kmBaxter County 31 kmSearcy County 35 kmBoone County 39 kmOzark County 52 kmNewton County 60 kmTaney County 60 kmStone County 61 kmIzard County 68 km
Distance rings around the epicentre, with the nearest towns at their true direction and later quakes as coloured dots. Not a shaking map — see the USGS ShakeMap for that.
When
6:20 pm CDT on 18 October 2016 ()
Where
3 km (2 mi) SE of Yellville, AR · earthquakes near Yellville
Magnitude
M 2.2 (md)
Depth
2.5 km below the surface
Felt
2 reports · strongest reported intensity II
Nearest
Marion County, 7 km NNW
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 3548 days ago

A magnitude 2.2 earthquake was recorded 3 km (2 mi) SE of Yellville, AR, at 6:20 pm CDT on 18 October 2016 (23:20 UTC). 2 people have reported feeling it to USGS. This was a minor earthquake. Quakes this small are rarely felt and do not cause damage.

Earthquakes near other towns within 30 km: Flippin, Gassville, Bull Shoals, Midway, Mountain Home.

How big was it?

This earthquake released about 58 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 3.2 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 260,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 180,000× the energy of this one
  3. Around the size people start to feel M 3.0 16× the energy of this one
  4. This earthquake M 2.2 about 58 lb of TNT

Energy from the Gutenberg–Richter relation (log10E = 1.5M + 4.8), rounded to two figures; bar length is magnitude, which is already a logarithm of energy. Magnitudes of past earthquakes from the USGS catalogue.

For this area

No earthquake of M4 or more has been recorded within 50 km since our catalogue begins in 2016.

Before 2016, the USGS record since 1900 lists no earthquake of M5 or more within 50 km.

Since 2016: the QuakeIndex catalogue (US, M1.5+), built from the USGS FDSN event service. Before 2016: USGS ComCat, M5+ from 1900. Distances are between epicentres. This is the record, not a forecast.

Where

Epicentre 36.2083, -92.6633. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection from the epicentre
Marion County, AR 7 km (4 mi) NNW earthquakes near Marion County
Baxter County, AR 31 km (19 mi) ENE earthquakes near Baxter County
Searcy County, AR 35 km (22 mi) S earthquakes near Searcy County
Boone County, AR 39 km (24 mi) WNW earthquakes near Boone County
Ozark County, MO 52 km (33 mi) NNE earthquakes near Ozark County
Newton County, AR 60 km (37 mi) WSW earthquakes near Newton County

Places and coordinates from the US Census Bureau Gazetteer (2024). Distances are from the epicentre.

Aftershocks so far

53 earthquakes have been recorded within 50 km since this one.

  1. 2.2 6 km E of Diamond City, Arkansas
  2. 2.0 7 km E of Diamond City, Arkansas
  3. 2.4 10 km ESE of Everton, Arkansas
  4. 2.3 4 km W of South Lead Hill, Arkansas
  5. 2.0 3 km S of Sundown, Missouri
  6. 3.7 13 km N of Big Flat, Arkansas
  7. 2.0 10 km NW of Diamond City, Arkansas
  8. 2.0 7 km N of Bergman, Arkansas
  9. 1.6 13 km ENE of South Lead Hill, Arkansas
  10. 1.7 13 km ENE of South Lead Hill, Arkansas
  11. 1.8 4 km ESE of Diamond City, Arkansas
  12. 1.8 5 km E of Diamond City, Arkansas
  13. 2.1 5 km E of Diamond City, Arkansas
  14. 1.9 5 km ENE of Lead Hill, Arkansas
  15. 1.7 13 km E of South Lead Hill, Arkansas

Counted from the QuakeIndex database, which ingests the USGS feed every 30 seconds · as of . QuakeIndex does not forecast aftershocks. When USGS issues an operational aftershock forecast it appears on the USGS event page.

On USGS

QuakeIndex does not issue warnings. For earthquake early warning see ShakeAlert.