QuakeIndex

Earthquake · reviewed by a seismologist

M 2.7ml

8km WNW of Delta, B.C., MX

· 6.1 km deep · released about 390 lb of TNT

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10 km30 km60 km120 km N Imperial County 73 km
Distance rings around the epicentre, with the nearest towns at their true direction and later quakes as coloured dots. Not a shaking map — see the USGS ShakeMap for that.
When
Magnitude
M 2.7 (ml)
Depth
6.1 km below the surface
Felt
3 reports · strongest reported intensity III
Nearest
Imperial County, 73 km N
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 2571 days ago

This was a small earthquake. Shaking like this is often felt indoors nearby and very rarely causes damage. 3 people have reported feeling it to USGS.

How big was it?

This earthquake released about 390 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 3.7 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 39,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 28,000× the energy of this one
  3. Around the size people start to feel M 3.0 2.5× the energy of this one
  4. This earthquake M 2.7 about 390 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 32.3923, -115.2653. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Imperial County, CA 73 km (45 mi) S of here earthquakes near Imperial County

Places and coordinates from the US Census Bureau Gazetteer (2024). Distances are from the epicentre.

Aftershocks so far

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

  1. 1.8 3km SE of El Centro, CA
  2. 2.4 3km ESE of El Centro, CA
  3. 3.6 2km SE of El Centro, CA
  4. 1.5 4km WNW of Heber, CA
  5. 2.0 16 km W of Delta, B.C., MX
  6. 2.4 10km NW of Delta, B.C., MX
  7. 1.8 4km WNW of Delta, B.C., MX
  8. 1.9 9 km NW of Delta, B.C., MX
  9. 2.7 21km SSW of Puebla, B.C., MX
  10. 1.6 10km SE of Progreso, B.C., MX
  11. 1.8 7km SE of Progreso, B.C., MX
  12. 1.6 16km W of Delta, B.C., MX
  13. 1.7 7km SW of Holtville, CA
  14. 2.0 7km WSW of Holtville, CA
  15. 1.5 7km WSW of Holtville, CA

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.

For this area

The largest earthquake within 50 km in our catalogue was M 4.8 on 2018-11-19 — it released about 1,300 times the energy of this one.

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

On USGS

QuakeIndex does not issue warnings. For earthquake early warning see ShakeAlert.