QuakeIndex

Earthquake · automatic estimate, may change

M 2.6md

Earthquake near Cambria, CA

Yes. A magnitude 2.6 earthquake was recorded 42 km (26 mi) NW of Cambria, CA, at 11:28 am PDT on 13 October 2026 (18:28 UTC), less than 1 km deep. No felt reports to USGS yet. The magnitude and location are an automatic first estimate and may change.

USGS: 28 km SSE of Lopez Point, CA

11:28 am PDT, Oct 13, 2026 · · -0.3 km deep · released about 220 lb of TNT

10 km30 km60 km120 km N Monterey County 53 kmSan Benito County 98 kmSan Luis Obispo County 101 km
Distance rings around the epicentre, with the nearest towns at their true direction. Not a shaking map — see the USGS ShakeMap for that.
When
11:28 am PDT on 13 October 2026 ()
Where
42 km (26 mi) NW of Cambria, CA · earthquakes near Cambria
Magnitude
M 2.6 (md)
Depth
-0.3 km below the surface
Felt
no reports yet
Nearest
Monterey County, 53 km NNE
Nearest mapped fault
San Gregorio fault, 5 km from its surface trace — near is not the same as on
Status
Automatic — a machine’s first estimate, which may change

USGS · last changed by USGS · we first saw it 3 hours 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 23 km (14 mi) from the epicentre. In Cambria, 42 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.

How big was it?

This earthquake released about 220 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 3.6 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 70,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 50,000× the energy of this one
  3. Around the size people start to feel M 3.0 4.4× the energy of this one
  4. This earthquake M 2.6 about 220 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 4.7 on 2021-10-25 — about 1,300 times the energy of this one.

Before 2016, the USGS record lists 7 earthquakes of M5 or more within 50 km; the five largest:

  1. 6.5 10 km NE of San Simeon, California · 34 km ESE of this epicentre
  2. 6.2 28km NW of Cambria, CA · 14 km ESE of this epicentre
  3. 5.7 Southwest of Cambria, California · 39 km SE of this epicentre
  4. 5.2 26km NNW of Lake Nacimiento, CA · 48 km ENE of this epicentre
  5. 5.2 25 km NW of San Simeon, California · 11 km ENE 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 35.7797, -121.4618. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection from the epicentre
Monterey County, CA 53 km (33 mi) NNE earthquakes near Monterey County
San Benito County, CA 98 km (61 mi) NNE earthquakes near San Benito County
San Luis Obispo County, CA 101 km (63 mi) ESE earthquakes near San Luis Obispo County

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

Aftershocks so far

No further earthquakes have been recorded within 50 km since this one.

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.