QuakeIndex

Earthquake · reviewed by a seismologist

M 2.2ml

Earthquake near Pine Mountain Club, CA

No earthquake was likely felt in Pine Mountain Club in the 24 hours to 12:06 am PST (08:06 UTC). The last one was M 3.8, 62 km (38 mi) SE, at 8:00 pm PDT on 29 September 2026, estimated intensity II (weak) in town; 199 felt reports to USGS. Every earthquake near Pine Mountain Club

This page: a magnitude 2.2 earthquake was recorded 26 km (16 mi) southwest of Pine Mountain Club, CA, at 2:50 am PDT on 10 August 2020 (09:50 UTC), 2.5 km deep.

USGS: 26km SW of Pine Mountain Club, CA

45 km (28 mi) NE of Santa Barbara, CA · 114 km (71 mi) NW of Los Angeles, CA

2:50 am PDT, Aug 10, 2020 · · 2.5 km deep · released about 52 lb of TNT

10 km30 km60 km120 km N Ventura County 41 kmSanta Barbara County 65 kmKern County 93 kmLos Angeles County 114 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
2:50 am PDT on 10 August 2020 ()
Where
26 km (16 mi) southwest of Pine Mountain Club, CA · earthquakes near Pine Mountain Club
Magnitude
M 2.2 (ml)
Depth
2.5 km below the surface
Felt
no reports yet
Nearest
Ventura County, 41 km SSE
Nearest mapped fault
Santa Ynez fault, 20 km from its surface trace — near is not the same as on
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 2283 days ago

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

At this magnitude and depth, people at rest would likely notice it out to about 18 km (11 mi) from the epicentre. In Pine Mountain Club, 26 km away, the estimate is intensity II (weak). Estimated from magnitude, depth and distance with the intensity equation USGS Did You Feel It? uses; felt reports, where there are any, are the measurement.

Earthquakes near other towns within 30 km: Meiners Oaks, Ojai, Mira Monte.

How big was it?

This earthquake released about 52 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 3.2 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 290,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 200,000× the energy of this one
  3. Around the size people start to feel M 3.0 18× the energy of this one
  4. This earthquake M 2.2 about 52 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.

For this area

The largest earthquake within 50 km since 2016 was M 4.1 on 2016-03-12 — about 900 times the energy of this one.

Before 2016, the USGS record lists 14 earthquakes of M5 or more within 50 km; the five largest:

  1. 7.5 The 1952 Kern County, California Earthquake · 45 km NE of this epicentre
  2. 6.0 Tejon Pass, California · 48 km ENE of this epicentre
  3. 5.8 13km WNW of Grapevine, CA · 42 km NE of this epicentre
  4. 5.5 Southwest of Tejon Pass, California · 32 km E of this epicentre
  5. 5.5 10 km NE of Toro Canyon, California · 24 km SSW of this epicentre

Since 2016: the QuakeIndex catalogue (US, M1.5+), built from the USGS FDSN event service. Before 2016: USGS ComCat, M5+ from 1900. Distances are between epicentres. This is the record, not a forecast.

Where

Epicentre 34.6808, -119.3542. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection from the epicentre
Ventura County, CA 41 km (26 mi) SSE earthquakes near Ventura County
Santa Barbara County, CA 65 km (40 mi) WSW earthquakes near Santa Barbara County
Kern County, CA 93 km (58 mi) NE earthquakes near Kern County
Los Angeles County, CA 114 km (71 mi) ESE earthquakes near Los Angeles County
San Luis Obispo County, CA 127 km (79 mi) NW earthquakes near San Luis Obispo County

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

Aftershocks so far

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

  1. 1.7 15km NW of Fillmore, CA
  2. 2.0 4km WNW of Fillmore, CA
  3. 1.6 6km NE of Ventura, CA
  4. 1.5 7km WSW of Ojai, CA
  5. 1.6 18km N of Fillmore, CA
  6. 1.6 18km N of Fillmore, CA
  7. 1.7 9km ENE of Ventura, CA
  8. 1.5 6km WSW of Santa Paula, CA
  9. 2.1 6km WSW of Santa Paula, CA
  10. 1.8 5km W of Ojai, CA
  11. 1.9 5km WSW of Santa Paula, CA
  12. 2.7 10km WNW of Grapevine, CA
  13. 1.9 5km WSW of Santa Paula, CA
  14. 1.9 6km WSW of Santa Paula, CA
  15. 2.1 6km WSW of Santa Paula, 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.

On USGS

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