106km SSW 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 6.1 tons of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 4.7 would have released about 32 times as much.

1. Northridge, California 1994 M 6.7 28,000× the energy of this one
2. Mineral, Virginia 2011 M 5.8 1,200× the energy of this one
3. Magna, Utah 2020 M 5.7 870× the energy of this one
4. This earthquake M 3.7 about 6.1 tons of TNT
5. Around the size people start to feel M 3.0 this one released 13× 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 31.2965, -115.3937. Map © OpenStreetMap contributors.

Aftershocks so far

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

1. 2.5 54 km ENE of San Vicente, Mexico 02:58 UTC
2. 2.2 57 km ENE of San Vicente, Mexico 00:22 UTC
3. 2.1 91km ESE of Maneadero, B.C., MX 00:01 UTC
4. 2.9 89km SSW of Alberto Oviedo Mota, B.C., MX 14:38 UTC
5. 2.6 56 km ENE of San Vicente, Mexico 14:26 UTC
6. 2.7 54 km ENE of San Vicente, Mexico 00:48 UTC
7. 2.6 56 km ENE of San Vicente, Mexico 15:16 UTC
8. 2.4 55 km ENE of San Vicente, Mexico 14:12 UTC
9. 2.4 59 km ENE of San Vicente, Mexico 10:32 UTC
10. 2.8 84km ESE of Maneadero, B.C., MX 09:29 UTC
11. 2.1 92km SSW of Alberto Oviedo Mota, B.C., MX 02:57 UTC
12. 2.1 62 km ENE of San Vicente, Mexico 18:01 UTC
13. 2.4 67 km E of San Vicente, Mexico 15:38 UTC
14. 2.4 90km ESE of Maneadero, B.C., MX 12:28 UTC
15. 2.5 60 km ENE of San Vicente, Mexico 12:26 UTC

Counted from the QuakeIndex database, which ingests the USGS feed every 30 seconds · as of 20:19 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 4.5 on 2019-04-20 — it released about 14 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.