QuakeIndex

Earthquake · reviewed by a seismologist

M 2.1ml

17 km WSW of Brookings, Oregon

· 10 km deep · released about 43 lb of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Del Norte County 57 kmCurry County 62 kmJosephine County 95 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 2.1 (ml)
Depth
10 km below the surface
Felt
no reports yet
Nearest
Del Norte County, 57 km ESE
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 644 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 43 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 3.1 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 350,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 250,000× the energy of this one
  3. Around the size people start to feel M 3.0 22× the energy of this one
  4. This earthquake M 2.1 about 43 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 41.9817, -124.5935. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Del Norte County, CA 57 km (35 mi) WNW of here earthquakes near Del Norte County
Curry County, OR 62 km (39 mi) SSW of here earthquakes near Curry County
Josephine County, OR 95 km (59 mi) WSW of here earthquakes near Josephine County

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

Aftershocks so far

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

  1. 2.3 7 km E of Pistol River, Oregon
  2. 1.9 6 km E of Pistol River, Oregon
  3. 1.6 7 km ESE of Pistol River, Oregon
  4. 1.6 6 km E of Pistol River, Oregon
  5. 1.8 6 km E of Pistol River, Oregon
  6. 1.6 8 km E of Pistol River, Oregon
  7. 1.5 58 km WSW of Pistol River, Oregon
  8. 1.7 7 km E of Pistol River, Oregon
  9. 1.8 15 km SSW of Pistol River, Oregon
  10. 1.9 7 km NE of Harbor, Oregon
  11. 3.0 6 km E of Pistol River, Oregon
  12. 1.6 6 km E of Pistol River, Oregon
  13. 2.1 62 km WSW of Brookings, Oregon
  14. 1.7 62 km W of Crescent City, California
  15. 2.0 58 km WSW of Brookings, 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.