QuakeIndex

Earthquake · reviewed by a seismologist

M 2.4ml

12 km SSE of Port Orford, Oregon

· -0.4 km deep · released about 120 lb of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Curry County 27 kmCoos County 66 kmJosephine County 76 kmDel Norte County 106 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 2.4 (ml)
Depth
-0.4 km below the surface
Felt
1 report · strongest reported intensity I
Nearest
Curry County, 27 km SE
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 234 days ago

This was a minor earthquake. Quakes this small are rarely felt and do not cause damage. 1 person has reported feeling it to USGS.

How big was it?

This earthquake released about 120 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 3.4 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 130,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 92,000× the energy of this one
  3. Around the size people start to feel M 3.0 8.2× the energy of this one
  4. This earthquake M 2.4 about 120 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 42.6442, -124.4327. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Curry County, OR 27 km (17 mi) NW of here earthquakes near Curry County
Coos County, OR 66 km (41 mi) SSW of here earthquakes near Coos County
Josephine County, OR 76 km (47 mi) WNW of here earthquakes near Josephine County
Del Norte County, CA 106 km (66 mi) NNW of here earthquakes near Del Norte County
Douglas County, OR 126 km (78 mi) SW of here earthquakes near Douglas County

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

Aftershocks so far

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

  1. 0.7 17 km W of Pistol River, Oregon
  2. 1.7 6 km E of Pistol River, Oregon
  3. 2.3 7 km E of Pistol River, Oregon
  4. 1.9 6 km E of Pistol River, Oregon
  5. 1.6 7 km ESE of Pistol River, Oregon
  6. 1.6 6 km E of Pistol River, Oregon
  7. 1.8 6 km E of Pistol River, Oregon
  8. 1.6 8 km E of Pistol River, Oregon
  9. 1.8 10 km NNE of Nesika Beach, Oregon
  10. 1.7 7 km E of Pistol River, Oregon
  11. 3.0 6 km E of Pistol River, Oregon
  12. 1.7 12 km SSE of Port Orford, Oregon
  13. 2.6 10 km NW of Langlois, Oregon
  14. 1.6 6 km E of Pistol River, Oregon
  15. 2.1 11 km S of Port Orford, 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.

For this area

The largest earthquake within 50 km in our catalogue was M 4.5 on 2019-11-30 — it released about 1,600 times the energy of this one.

From the QuakeIndex catalogue, built from the USGS FDSN event service.

On USGS

QuakeIndex does not issue warnings. For earthquake early warning see ShakeAlert.