QuakeIndex

Earthquake · reviewed by a seismologist

M 1.6ml

1km NNW of South Gate, CA

· 13 km deep · released about 6.6 lb of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Los Angeles County 26 kmOrange County 52 kmVentura County 95 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 1.6 (ml)
Depth
13 km below the surface
Felt
no reports yet
Nearest
Los Angeles County, 26 km N
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 1889 days ago

This was a minor earthquake. Quakes this small are rarely felt and do not cause damage.

How big was it?

This earthquake released about 6.6 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 2.6 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 2,300,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 1,600,000× the energy of this one
  3. Around the size people start to feel M 3.0 140× the energy of this one
  4. This earthquake M 1.6 about 6.6 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 33.9623, -118.2163. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Los Angeles County, CA 26 km (16 mi) S of here earthquakes near Los Angeles County
Orange County, CA 52 km (32 mi) NW of here earthquakes near Orange County
Ventura County, CA 95 km (59 mi) ESE of here earthquakes near Ventura County

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

Aftershocks so far

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

  1. 2.1 2km SE of Carson, CA
  2. 2.3 15km SE of Malibu, CA
  3. 1.9 14km SE of Malibu, CA
  4. 2.8 15km SE of Malibu, CA
  5. 2.5 4km SSE of Charter Oak, CA
  6. 2.3 2km SE of Orange, CA
  7. 1.9 7km ESE of San Pedro, CA
  8. 2.2 10km NNE of Bradbury, CA
  9. 1.6 11km W of Corona, CA
  10. 1.5 1km SW of Rossmoor, CA
  11. 1.6 1km ESE of Baldwin Hills, CA
  12. 1.7 2km E of Carson, CA
  13. 2.3 0km SSE of San Fernando, CA
  14. 1.6 3km WNW of Sylmar, CA
  15. 1.5 2km SSW of San Dimas, 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 4.5 on 2020-09-19 — it released about 30,000 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.