QuakeIndex

explosion · reviewed by a seismologist

M 1.5ml

14 km ENE of Fair Oaks, Oregon

· -0.3 km deep · released about 6.2 lb of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Douglas County 22 kmLane County 52 kmCoos County 90 kmBenton County 118 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 1.5 (ml)
Depth
-0.3 km below the surface
Felt
no reports yet
Nearest
Douglas County, 22 km SSW
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 1605 days ago

This was a minor earthquake. Quakes this small are rarely felt and do not cause damage.

USGS catalogues this as explosion, not an earthquake.

How big was it?

This earthquake released about 6.2 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 2.5 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 2,500,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 1,700,000× the energy of this one
  3. Around the size people start to feel M 3.0 150× the energy of this one
  4. This earthquake M 1.5 about 6.2 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 43.4703, -123.0498. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Douglas County, OR 22 km (14 mi) NNE of here earthquakes near Douglas County
Lane County, OR 52 km (33 mi) SSW of here earthquakes near Lane County
Coos County, OR 90 km (56 mi) ENE of here earthquakes near Coos County
Benton County, OR 118 km (73 mi) SSE of here earthquakes near Benton County
Linn County, OR 120 km (75 mi) SSW of here earthquakes near Linn County
Jackson County, OR 122 km (76 mi) NNW of here earthquakes near Jackson County

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

Aftershocks so far

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

  1. 1.1 4 km NNE of Roseburg North, Oregon
  2. 1.6 9 km SSW of Cottage Grove, Oregon
  3. 1.6 5 km NW of Roseburg North, Oregon
  4. 1.8 5 km NNW of Roseburg North, Oregon
  5. 1.6 4 km NNE of Roseburg North, Oregon
  6. 1.7 6 km NW of Roseburg North, Oregon
  7. 1.7 2 km SW of Drain, Oregon
  8. 1.7 1 km S of Drain, Oregon
  9. 2.0 4 km E of Roseburg, Oregon
  10. 2.0 3 km SW of Drain, Oregon
  11. 1.9 5 km NW of Roseburg North, Oregon
  12. 1.6 13 km WNW of Sutherlin, Oregon
  13. 1.7 13 km S of Culp Creek, Oregon
  14. 1.6 4 km NNE of Roseburg North, Oregon
  15. 1.5 7 km SSW of Cottage Grove, 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

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