72km WSW of Alberto Oviedo Mota, B.C., MX

This was a small earthquake. Shaking like this is often felt indoors nearby and very rarely causes damage. 1 person has reported feeling it to USGS.

How big was it?

This earthquake released about 460 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 3.8 would have released about 32 times as much.

1. Mineral, Virginia 2011 M 5.8 33,000× the energy of this one
2. Magna, Utah 2020 M 5.7 23,000× the energy of this one
3. Around the size people start to feel M 3.0 2.1× the energy of this one
4. This earthquake M 2.8 about 460 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 31.9015, -115.8282. Map © OpenStreetMap contributors.

Aftershocks so far

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

1. 1.8 34km ENE of Ensenada, B.C., MX 00:19 UTC
2. 2.3 41km ENE of Maneadero, B.C., MX 05:29 UTC
3. 2.3 70km WSW of Alberto Oviedo Mota, B.C., MX 08:53 UTC
4. 2.9 70km WSW of Alberto Oviedo Mota, B.C., MX 20:07 UTC
5. 2.5 71km WSW of Alberto Oviedo Mota, B.C., MX 19:07 UTC
6. 2.8 71km WSW of Alberto Oviedo Mota, B.C., MX 16:21 UTC
7. 2.3 70km WSW of Alberto Oviedo Mota, B.C., MX 08:48 UTC
8. 1.9 71km WSW of Alberto Oviedo Mota, B.C., MX 23:21 UTC
9. 2.8 71km WSW of Alberto Oviedo Mota, B.C., MX 23:19 UTC
10. 1.7 67km WSW of Alberto Oviedo Mota, B.C., MX 23:57 UTC
11. 2.0 58km SW of Alberto Oviedo Mota, B.C., MX 21:45 UTC
12. 3.1 70km ENE of Maneadero, B.C., MX 10:07 UTC
13. 2.0 71km WSW of Alberto Oviedo Mota, B.C., MX 10:48 UTC
14. 2.3 50km SSW of Progreso, B.C., MX 09:55 UTC
15. 1.7 60km WSW of Alberto Oviedo Mota, B.C., MX 09:04 UTC

Counted from the QuakeIndex database, which ingests the USGS feed every 30 seconds · as of 15:28 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 4.2 on 2018-07-25 — it released about 130 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.