QuakeIndex

Earthquake · reviewed by a seismologist

M 2.6ml

3 km SE of Enterprise, Oregon

· -1.0 km deep · released about 260 lb of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Wallowa County 22 kmUnion County 59 kmBaker County 85 kmAdams County 85 kmAsotin County 87 kmNez Perce County 110 kmColumbia County 111 kmWashington County 112 kmLewis County 113 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
-1.0 km below the surface
Felt
no reports yet
Nearest
Wallowa County, 22 km NNE
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 553 days ago

This was a small earthquake. Shaking like this is often felt indoors nearby and very rarely causes damage.

How big was it?

This earthquake released about 260 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 59,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 42,000× the energy of this one
  3. Around the size people start to feel M 3.0 3.7× the energy of this one
  4. This earthquake M 2.6 about 260 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 45.4020, -117.2550. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Wallowa County, OR 22 km (14 mi) SSW of here earthquakes near Wallowa County
Union County, OR 59 km (37 mi) E of here earthquakes near Union County
Baker County, OR 85 km (53 mi) NNE of here earthquakes near Baker County
Adams County, ID 85 km (53 mi) NW of here earthquakes near Adams County
Asotin County, WA 87 km (54 mi) S of here earthquakes near Asotin County
Nez Perce County, ID 110 km (69 mi) SSW of here earthquakes near Nez Perce County

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

Aftershocks so far

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

  1. 1.5 3 km SSE of Wallowa, Oregon
  2. 2.1 17 km NNW of Halfway, Oregon
  3. 2.1 19 km NNW of Halfway, Oregon
  4. 1.6 13 km SW of Lostine, Oregon
  5. 2.7 21 km NW of Halfway, Oregon
  6. 1.6 21 km ESE of Cove, Oregon
  7. 2.0 15 km WSW of Lostine, Oregon
  8. 1.6 14 km NE of Cove, Oregon
  9. 2.1 17 km WSW of Lostine, Oregon
  10. 2.0 15 km WSW of Lostine, Oregon
  11. 1.5 17 km WSW of Lostine, Oregon
  12. 1.8 16 km WSW of Lostine, Oregon
  13. 1.8 16 km WSW of Lostine, Oregon
  14. 2.2 15 km WSW of Lostine, Oregon
  15. 2.7 12 km WSW of Lostine, Oregon

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.