Earthquake · reviewed by a seismologist
M 5.0mww
121 km WNW of Barview, Oregon
- When
- Magnitude
- M 5.0 (mww)
- Depth
- 7.8 km below the surface
- Felt
- 37 reports · strongest reported intensity III
- Status
- Reviewed by a seismologist
USGS · last changed by USGS · we first saw it 345 days ago
This was a moderate earthquake. Shaking at this size can damage poorly built structures close to the epicentre. 37 people have reported feeling it to USGS.
How big was it?
This earthquake released about 480 tons of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 6.0 would have released about 32 times as much.
- Northridge, California 1994 M 6.7 350× the energy of this one
- Mineral, Virginia 2011 M 5.8 16× the energy of this one
- Magna, Utah 2020 M 5.7 11× the energy of this one
- This earthquake M 5.0 about 480 tons of TNT
- Around the size people start to feel M 3.0 this one released 1,000× more
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 43.6645, -125.7602. Map © OpenStreetMap contributors.
Aftershocks so far
4 earthquakes have been recorded within 50 km since this one.
- 2.6 134 km W of Dunes City, Oregon
- 2.8 106 km WNW of Barview, Oregon
- 3.6 147 km W of Bandon, Oregon
- 2.9 120 km W of Bandon, 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
- The official USGS event page — the source of record for every value above
- Did you feel it? Report it to USGS — reports go to USGS, not to us
- ShakeMap for this event, when USGS has produced one
QuakeIndex does not issue warnings. For earthquake early warning see ShakeAlert.