QuakeIndex

Earthquake · reviewed by a seismologist

M 3.2ml

10km SW of Valencia, CA

· 3.2 km deep · released about 1,700 lb of TNT

Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Los Angeles County 41 kmVentura County 45 kmKern County 107 kmOrange County 112 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 3.2 (ml)
Depth
3.2 km below the surface
Felt
367 reports · strongest reported intensity IV
Measured shaking
intensity IV (ShakeMap)
Nearest
Los Angeles County, 41 km ESE
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 1611 days ago

This was a small earthquake. Shaking like this is often felt indoors nearby and very rarely causes damage. 367 people have reported feeling it to USGS.

How big was it?

This earthquake released about 1,700 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 4.2 would have released about 32 times as much.

  1. Northridge, California 1994 M 6.7 200,000× the energy of this one
  2. Mineral, Virginia 2011 M 5.8 8,800× the energy of this one
  3. Magna, Utah 2020 M 5.7 6,200× the energy of this one
  4. This earthquake M 3.2 about 1,700 lb of TNT
  5. Around the size people start to feel M 3.0 this one released 1.8× 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 34.3892, -118.6415. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection
Los Angeles County, CA 41 km (25 mi) WNW of here earthquakes near Los Angeles County
Ventura County, CA 45 km (28 mi) E of here earthquakes near Ventura County
Kern County, CA 107 km (66 mi) S of here earthquakes near Kern County
Orange County, CA 112 km (70 mi) NW of here earthquakes near Orange County

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

Aftershocks so far

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

  1. 1.8 6km WSW of Valencia, CA
  2. 1.9 6km WSW of Valencia, CA
  3. 1.7 7km NW of Fillmore, CA
  4. 2.0 2km NNE of Castaic, CA
  5. 2.6 8km SE of Piru, CA
  6. 1.6 13km NNW of Fillmore, CA
  7. 1.6 15km NNW of Fillmore, CA
  8. 1.5 9km ESE of Ojai, CA
  9. 2.3 10km SSW of Valencia, CA
  10. 2.0 11km SW of Valencia, CA
  11. 1.8 10km SSW of Valencia, CA
  12. 1.6 10km SSW of Valencia, CA
  13. 1.6 0km SSE of Baldwin Hills, CA
  14. 1.5 1km SSE of Granada Hills, CA
  15. 1.9 3km E of Pacoima, 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 4.2 on 2020-07-30 — it released about 32 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.