QuakeIndex

Earthquake · reviewed by a seismologist

M 2.0md

Earthquake near Coalinga, CA

No earthquake was likely felt in Coalinga in the 24 hours to 9:06 am PST (17:06 UTC). The last one was M 2.3, 4 km (3 mi) SE, at 1:44 am PDT on 4 October 2026, estimated intensity II (weak) in town. Every earthquake near Coalinga

This page: a magnitude 2.0 earthquake was recorded 8 km (5 mi) north of Coalinga, CA, at 12:36 pm PDT on 11 April 2020 (19:36 UTC), 18 km deep.

USGS: 8km NNW of Coalinga, CA

82 km (51 mi) SW of Fresno, CA

12:36 pm PDT, Apr 11, 2020 · · 18 km deep · released about 35 lb of TNT

10 km30 km60 km120 km N Kings County 53 kmSan Benito County 78 kmMonterey County 84 kmFresno County 89 kmSan Luis Obispo County 92 kmMerced 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
12:36 pm PDT on 11 April 2020 ()
Where
8 km (5 mi) north of Coalinga, CA · earthquakes near Coalinga
Magnitude
M 2.0 (md)
Depth
18 km below the surface
Felt
no reports yet
Nearest
Kings County, 53 km ESE
Nearest mapped fault
Great Valley thrust fault system, 12 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 2401 days ago

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

At this magnitude and depth it was probably too small to be felt, even directly above it. In Coalinga, 8 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: Huron.

How big was it?

This earthquake released about 35 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 3.0 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 440,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 310,000× the energy of this one
  3. Around the size people start to feel M 3.0 28× the energy of this one
  4. This earthquake M 2.0 about 35 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 4.3 on 2019-12-17 — about 2,400 times the energy of this one.

Before 2016, the USGS record lists 20 earthquakes of M5 or more within 50 km; the five largest:

  1. 6.7 The 1983 Coalinga, California Earthquake · 6 km ENE of this epicentre
  2. 6.4 1901 Parkfield, California Earthquake · 26 km SSW of this epicentre
  3. 6.1 Northwest of Huron, California · 38 km NNW of this epicentre
  4. 6.0 2004 Parkfield, California Earthquake · 44 km S of this epicentre
  5. 5.8 29 km NE of San Lucas, California · 37 km WNW 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 36.2122, -120.3760. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection from the epicentre
Kings County, CA 53 km (33 mi) ESE earthquakes near Kings County
San Benito County, CA 78 km (48 mi) NW earthquakes near San Benito County
Monterey County, CA 84 km (52 mi) W earthquakes near Monterey County
Fresno County, CA 89 km (55 mi) NE earthquakes near Fresno County
San Luis Obispo County, CA 92 km (57 mi) S earthquakes near San Luis Obispo County
Merced County, CA 114 km (71 mi) NNW earthquakes near Merced County

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

Aftershocks so far

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

  1. 1.8 17km NNW of Coalinga, CA
  2. 1.8 21km SSW of Cantua Creek, CA
  3. 1.9 23km ENE of San Ardo, CA
  4. 1.8 5km NE of Coalinga, CA
  5. 2.3 5km SSE of Parkfield, CA
  6. 1.7 8km NNE of New Idria, CA
  7. 2.1 25km NW of Parkfield, CA
  8. 2.3 25km NW of Parkfield, CA
  9. 2.2 11km NNE of New Idria, CA
  10. 2.7 17km NW of Parkfield, CA
  11. 2.1 23km NE of San Ardo, CA
  12. 1.6 22km SW of New Idria, CA
  13. 2.0 10km WSW of Huron, CA
  14. 2.3 17km NW of Parkfield, CA
  15. 2.1 22km ENE of San Ardo, 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.