QuakeIndex

Earthquake · reviewed by a seismologist

M 2.0ml

11 km NE of May, Oklahoma

· 7.8 km deep · released about 35 lb of TNT

10 km30 km60 km120 km N Harper County 11 kmWoodward County 47 kmEllis County 53 kmClark County 61 kmComanche County 66 kmLipscomb County 71 kmBeaver County 72 kmWoods County 73 kmMeade County 86 km
Distance rings around the epicentre, with the nearest towns at their true direction. Not a shaking map — see the USGS ShakeMap for that.
When
Magnitude
M 2.0 (ml)
Depth
7.8 km below the surface
Felt
no reports yet
Nearest
Harper County, 11 km N
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 209 days ago

This was a minor earthquake. Quakes this small are rarely felt and do not cause damage.

How big was it?

This earthquake released about 35 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 3.0 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 440,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 310,000× the energy of this one
  3. Around the size people start to feel M 3.0 28× the energy of this one
  4. This earthquake M 2.0 about 35 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.

Where

Epicentre 36.6995, -99.6785. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Harper County, OK 11 km (7 mi) S of here earthquakes near Harper County
Woodward County, OK 47 km (29 mi) NW of here earthquakes near Woodward County
Ellis County, OK 53 km (33 mi) N of here earthquakes near Ellis County
Clark County, KS 61 km (38 mi) SSE of here earthquakes near Clark County
Comanche County, KS 66 km (41 mi) SW of here earthquakes near Comanche County
Lipscomb County, TX 71 km (44 mi) NE of here earthquakes near Lipscomb County

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

Aftershocks so far

No further earthquakes have been recorded within 50 km since this one.

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.