QuakeIndex

explosion · reviewed by a seismologist

M 2.0ml

14 km ENE of Royal City, Washington

· -0.4 km deep · released about 29 lb of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Grant County 28 kmFranklin County 64 kmAdams County 73 kmBenton County 82 kmDouglas County 88 kmKittitas County 93 kmLincoln County 105 kmWalla Walla County 109 kmYakima County 112 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
Magnitude
M 2.0 (ml)
Depth
-0.4 km below the surface
Felt
no reports yet
Nearest
Grant County, 28 km N
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 569 days ago

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

USGS catalogues this as explosion, not an earthquake.

How big was it?

This earthquake released about 29 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 5.8 520,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 370,000× the energy of this one
  3. Around the size people start to feel M 3.0 33× the energy of this one
  4. This earthquake M 2.0 about 29 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 46.9632, -119.4702. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Grant County, WA 28 km (17 mi) S of here earthquakes near Grant County
Franklin County, WA 64 km (40 mi) NW of here earthquakes near Franklin County
Adams County, WA 73 km (45 mi) W of here earthquakes near Adams County
Benton County, WA 82 km (51 mi) N of here earthquakes near Benton County
Douglas County, WA 88 km (55 mi) S of here earthquakes near Douglas County
Kittitas County, WA 93 km (58 mi) E of here earthquakes near Kittitas County

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

Aftershocks so far

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

  1. 1.7 24 km E of Desert Aire, Washington
  2. 1.8 10 km WSW of Hatton, Washington
  3. 1.6 11 km SE of Desert Aire, Washington
  4. 2.3 11 km SE of Desert Aire, Washington
  5. 1.9 11 km SE of Desert Aire, Washington
  6. 1.6 11 km SE of Desert Aire, Washington
  7. 1.6 11 km SE of Desert Aire, Washington
  8. 2.4 11 km SE of Desert Aire, Washington
  9. 1.7 5 km W of Warden, Washington
  10. 1.9 12 km SE of Desert Aire, Washington
  11. 1.6 12 km SE of Desert Aire, Washington
  12. 1.8 12 km SE of Desert Aire, Washington
  13. 1.7 12 km SE of Desert Aire, Washington
  14. 1.9 12 km SE of Desert Aire, Washington
  15. 1.9 12 km SE of Desert Aire, Washington

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.