QuakeIndex

Earthquake · reviewed by a seismologist

M 3.4ml

14 km ENE of Cle Elum, Washington

· 0.1 km deep · released about 1.6 tons of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Kittitas County 15 kmChelan County 69 kmKing County 85 kmYakima County 88 kmDouglas County 97 kmGrant County 97 kmPierce County 108 kmSnohomish County 117 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 3.4 (ml)
Depth
0.1 km below the surface
Felt
42 reports · strongest reported intensity IV
Measured shaking
intensity III (ShakeMap)
Nearest
Kittitas County, 15 km SSE
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 555 days ago

This was a small earthquake. Shaking like this is often felt indoors nearby and very rarely causes damage. 42 people have reported feeling it to USGS.

How big was it?

This earthquake released about 1.6 tons of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 4.3 would have released about 32 times as much.

  1. Northridge, California 1994 M 6.7 110,000× the energy of this one
  2. Mineral, Virginia 2011 M 5.8 4,700× the energy of this one
  3. Magna, Utah 2020 M 5.7 3,300× the energy of this one
  4. This earthquake M 3.4 about 1.6 tons of TNT
  5. Around the size people start to feel M 3.0 this one released 3.3× more

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 47.2482, -120.7573. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Kittitas County, WA 15 km (9 mi) NNW of here earthquakes near Kittitas County
Chelan County, WA 69 km (43 mi) S of here earthquakes near Chelan County
King County, WA 85 km (53 mi) ESE of here earthquakes near King County
Yakima County, WA 88 km (55 mi) N of here earthquakes near Yakima County
Douglas County, WA 97 km (60 mi) SW of here earthquakes near Douglas County
Grant County, WA 97 km (61 mi) W of here earthquakes near Grant County

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

Aftershocks so far

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

  1. 1.9 9 km S of Ellensburg, Washington
  2. 1.7 17 km W of Leavenworth, Washington
  3. 1.9 9 km S of Ellensburg, Washington
  4. 1.7 5 km ESE of Kittitas, Washington
  5. 1.9 9 km SSW of Ellensburg, Washington
  6. 2.0 9 km SSW of Ellensburg, Washington
  7. 1.8 9 km S of Ellensburg, Washington
  8. 2.1 9 km SSW of Ellensburg, Washington
  9. 1.9 7 km ESE of Kittitas, Washington
  10. 1.9 11 km WNW of Thorp, Washington
  11. 1.5 9 km S of Ellensburg, Washington
  12. 1.7 9 km S of Ellensburg, Washington
  13. 1.8 5 km SE of Kittitas, Washington
  14. 1.6 8 km SSE of Ellensburg, Washington
  15. 1.5 11 km ESE of Cle Elum, 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.