QuakeIndex

Earthquake · reviewed by a seismologist

M 3.3ml

Earthquake near Ojai, CA

No earthquake was likely felt in Ojai in the 24 hours to 4:17 am PST (12:17 UTC). The last one was M 1.5, 7 km (5 mi) S, at 2:56 am PST on 6 November 2026, estimated intensity II (weak) in town. Every earthquake near Ojai

This page: a magnitude 3.3 earthquake was recorded 6 km (4 mi) south of Ojai, CA, at 7:06 am PST on 16 December 2025 (15:06 UTC), 4.3 km deep. 105 people have reported feeling it to USGS.

USGS: 6 km S of Ojai, CA

14 km (9 mi) N of San Buenaventura (Ventura), CA · 88 km (55 mi) WNW of Los Angeles, CA

7:06 am PST, Dec 16, 2025 · · 4.3 km deep · released about 1.3 tons of TNT

10 km30 km60 km120 km N Ventura County 12 kmSanta Barbara County 74 kmLos Angeles County 94 kmKern County 116 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
7:06 am PST on 16 December 2025 ()
Where
6 km (4 mi) south of Ojai, CA · earthquakes near Ojai
Magnitude
M 3.3 (ml)
Depth
4.3 km below the surface
Felt
105 reports · strongest reported intensity V
Measured shaking
intensity III (ShakeMap)
Nearest
Ventura County, 12 km ESE
Nearest mapped fault
Red Mountain fault, 4 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 133 days ago

This was a small earthquake. Shaking like this is often felt indoors nearby and very rarely causes damage.

At this magnitude and depth, people at rest would likely notice it out to about 52 km (32 mi) from the epicentre. In Ojai, 6 km away, the estimate is intensity III (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.

Likely felt in: Ojai 6 km, intensity III · Ventura 13 km, intensity III · Santa Paula 18 km, intensity III · Oxnard 23 km, intensity II · Carpinteria 24 km, intensity II · Camarillo 28 km, intensity II · Moorpark 36 km, intensity II · Santa Barbara 41 km, intensity II. Estimated for each town centre; each link is that town's own record.

How big was it?

This earthquake released about 1.3 tons of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 4.3 would have released about 32 times as much.

  1. Northridge, California 1994 M 6.7 130,000× the energy of this one
  2. Mineral, Virginia 2011 M 5.8 5,600× the energy of this one
  3. Magna, Utah 2020 M 5.7 4,000× the energy of this one
  4. This earthquake M 3.3 about 1.3 tons of TNT
  5. Around the size people start to feel M 3.0 this one released 2.8× 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.

For this area

The largest earthquake within 50 km since 2016 was M 5.1 on 2023-08-20 — about 470 times the energy of this one.

Before 2016, the USGS record lists 9 earthquakes of M5 or more within 50 km; the five largest:

  1. 5.5 Southwest of Tejon Pass, California · 41 km NE of this epicentre
  2. 5.5 30 km SW of Channel Islands Beach, California · 49 km SSW of this epicentre
  3. 5.5 10 km NE of Toro Canyon, California · 25 km WNW of this epicentre
  4. 5.5 The 1941 Santa Barbara, California Earthquake · 29 km WSW of this epicentre
  5. 5.3 The 1973 Point Mugu, California Earthquake · 50 km SSE 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 34.3932, -119.2552. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection from the epicentre
Ventura County, CA 12 km (7 mi) ESE earthquakes near Ventura County
Santa Barbara County, CA 74 km (46 mi) WNW earthquakes near Santa Barbara County
Los Angeles County, CA 94 km (58 mi) ESE earthquakes near Los Angeles County
Kern County, CA 116 km (72 mi) NNE earthquakes near Kern County
San Luis Obispo County, CA 155 km (96 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

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

  1. 2.5 1 km NE of Fillmore, CA
  2. 2.6 1 km NNE of Fillmore, CA
  3. 2.1 8 km NE of Ventura, CA
  4. 1.9 3 km N of Ojai, CA
  5. 1.5 6 km SE of Carpinteria, CA
  6. 2.1 14 km SSW of Santa Barbara, CA
  7. 1.9 10 km WSW of Ojai, CA
  8. 1.5 4 km WNW of Carpinteria, CA
  9. 2.5 7 km SE of Carpinteria, CA
  10. 2.1 4 km WNW of Carpinteria, CA
  11. 2.8 7 km SE of Carpinteria, CA
  12. 1.6 20 km NNW of Santa Cruz Is. (E end), CA
  13. 1.6 19 km SSW of Carpinteria, CA
  14. 1.8 5 km SE of Carpinteria, CA
  15. 2.9 6 km SE of Carpinteria, 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.