QuakeIndex

Earthquake · reviewed by a seismologist

M 2.6ml

26 km NW of Leavenworth, Washington

· 5.5 km deep · released about 240 lb of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Chelan County 18 kmSnohomish County 75 kmKittitas County 75 kmKing County 82 kmDouglas County 86 kmSkagit County 106 kmOkanogan 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 2.6 (ml)
Depth
5.5 km below the surface
Felt
11 reports · strongest reported intensity III
Nearest
Chelan County, 18 km ENE
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 1220 days ago

This was a small earthquake. Shaking like this is often felt indoors nearby and very rarely causes damage. 11 people have reported feeling it to USGS.

How big was it?

This earthquake released about 240 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 3.6 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 63,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 45,000× the energy of this one
  3. Around the size people start to feel M 3.0 4× the energy of this one
  4. This earthquake M 2.6 about 240 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 47.7908, -120.8405. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Chelan County, WA 18 km (11 mi) WSW of here earthquakes near Chelan County
Snohomish County, WA 75 km (47 mi) ESE of here earthquakes near Snohomish County
Kittitas County, WA 75 km (47 mi) N of here earthquakes near Kittitas County
King County, WA 82 km (51 mi) ENE of here earthquakes near King County
Douglas County, WA 86 km (53 mi) W of here earthquakes near Douglas County
Skagit County, WA 106 km (66 mi) SE of here earthquakes near Skagit County

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

Aftershocks so far

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

  1. 1.6 12 km W of Entiat, Washington
  2. 1.7 23 km NW of Granite Falls, Washington
  3. 1.8 7 km W of Entiat, Washington
  4. 2.6 10 km WNW of Entiat, Washington
  5. 1.7 17 km W of Leavenworth, Washington
  6. 1.7 7 km W of Entiat, Washington
  7. 1.6 10 km NW of Entiat, Washington
  8. 1.6 8 km WNW of Entiat, Washington
  9. 1.7 9 km WNW of Entiat, Washington
  10. 1.6 26 km NNW of Leavenworth, Washington
  11. 1.9 25 km NW of Leavenworth, Washington
  12. 2.2 24 km NW of Leavenworth, 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.