132 km WNW of Langlois, Oregon

This was a light earthquake. It is usually felt clearly nearby and can rattle windows and dishes, but damage is uncommon. 1 person has reported feeling it to USGS.

How big was it?

This earthquake released about 30 tons of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 5.2 would have released about 32 times as much.

1. Northridge, California 1994 M 6.7 5,600× the energy of this one
2. Mineral, Virginia 2011 M 5.8 250× the energy of this one
3. Magna, Utah 2020 M 5.7 180× the energy of this one
4. This earthquake M 4.2 about 30 tons of TNT
5. Around the size people start to feel M 3.0 this one released 63× 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 43.1739, -126.0453. Map © OpenStreetMap contributors.

Aftershocks so far

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

1. 2.8 172 km W of Langlois, Oregon 04:49 UTC
2. 4.3 152 km W of Langlois, Oregon 19:16 UTC
3. 2.7 132 km W of Langlois, Oregon 09:45 UTC
4. 3.2 167 km WNW of Port Orford, Oregon 07:24 UTC
5. 2.8 148 km WNW of Port Orford, Oregon 05:34 UTC
6. 3.7 161 km W of Langlois, Oregon 02:39 UTC
7. 2.6 170 km WNW of Port Orford, Oregon 20:10 UTC
8. 2.8 161 km W of Langlois, Oregon 02:13 UTC
9. 2.9 152 km W of Langlois, Oregon 11:24 UTC
10. 3.6 147 km W of Bandon, Oregon 00:02 UTC
11. 3.6 162 km W of Langlois, Oregon 21:47 UTC
12. 2.9 163 km W of Port Orford, Oregon 16:45 UTC
13. 2.6 149 km WNW of Port Orford, Oregon 01:01 UTC
14. 2.8 130 km W of Port Orford, Oregon 11:23 UTC
15. 2.9 120 km W of Bandon, Oregon 09:43 UTC

Counted from the QuakeIndex database, which ingests the USGS feed every 30 seconds · as of 15:05 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 2016-01-23 — it released about 11 times the energy of this one.

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.