194 km WSW of Pistol River, Oregon

This was a moderate earthquake. Shaking at this size can damage poorly built structures close to the epicentre. 2 people have reported feeling it to USGS.

How big was it?

This earthquake released about 950 tons of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 6.2 would have released about 32 times as much.

1. Northridge, California 1994 M 6.7 180× the energy of this one
2. Mineral, Virginia 2011 M 5.8 7.9× the energy of this one
3. Magna, Utah 2020 M 5.7 5.6× the energy of this one
4. This earthquake M 5.2 about 950 tons of TNT
5. Around the size people start to feel M 3.0 this one released 2,000× 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 41.8055, -126.6563. Map © OpenStreetMap contributors.

Aftershocks so far

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

1. 4.2 210 km WSW of Pistol River, Oregon 23:07 UTC
2. 2.3 187 km WSW of Pistol River, Oregon 04:48 UTC
3. 2.9 234 km WSW of Pistol River, Oregon 15:11 UTC
4. 3.8 208 km WSW of Pistol River, Oregon 00:08 UTC
5. 2.9 229 km WSW of Pistol River, Oregon 18:42 UTC
6. 2.6 215 km WSW of Pistol River, Oregon 02:13 UTC
7. 2.6 198 km WSW of Pistol River, Oregon 14:50 UTC
8. 2.7 176 km W of Crescent City, California 05:53 UTC
9. 3.1 211 km W of Pistol River, Oregon 03:23 UTC
10. 2.5 221 km W of Crescent City, California 18:20 UTC
11. 2.6 190 km WSW of Pistol River, Oregon 20:19 UTC
12. 2.6 185 km WSW of Pistol River, Oregon 20:19 UTC
13. 2.8 154 km WSW of Pistol River, Oregon 07:42 UTC
14. 2.9 226 km WSW of Pistol River, Oregon 07:52 UTC
15. 2.8 166 km WSW of Pistol River, Oregon 17:26 UTC

Counted from the QuakeIndex database, which ingests the USGS feed every 30 seconds · as of 18:28 UTC. 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 4.9 on 2018-07-24.

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

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.