QuakeIndex

Earthquake · reviewed by a seismologist

M 2.1md

Earthquake near Clovis, CA

No earthquake was likely felt in Clovis in the 24 hours to 1:37 pm PST (21:37 UTC). The last one was M 5.7, 286 km (177 mi) NNE, at 6:29 pm PDT on 13 April 2026, estimated intensity II (weak) in town; 6,515 felt reports to USGS. Every earthquake near Clovis

This page: a magnitude 2.1 earthquake was recorded 9 km (6 mi) north of Clovis, CA, at 7:07 pm PDT on 1 September 2019 (02:07 UTC), 28 km deep.

USGS: 9km N of Clovis, CA

16 km (10 mi) NNE of Fresno, CA · 9 km (5 mi) NNW of Clovis, CA

7:07 pm PDT, Sep 1, 2019 · · 28 km deep · released about 46 lb of TNT

10 km30 km60 km120 km N Fresno County 17 kmMadera County 34 kmMariposa County 77 kmKings County 93 kmMerced County 96 kmTulare County 111 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
7:07 pm PDT on 1 September 2019 ()
Where
9 km (6 mi) north of Clovis, CA · earthquakes near Clovis
Magnitude
M 2.1 (md)
Depth
28 km below the surface
Felt
no reports yet
Nearest
Fresno County, 17 km SSE
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 2626 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 Clovis, 9 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: Tarpey Village, Old Fig Garden, Bonadelle Ranchos-Madera Ranchos, Fresno, West Park, Sanger.

How big was it?

This earthquake released about 46 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 3.1 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 330,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 230,000× the energy of this one
  3. Around the size people start to feel M 3.0 21× the energy of this one
  4. This earthquake M 2.1 about 46 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

No earthquake of M4 or more has been recorded within 50 km since our catalogue begins in 2016.

Before 2016, the USGS record since 1900 lists no earthquake of M5 or more within 50 km.

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 36.9050, -119.7017. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection from the epicentre
Fresno County, CA 17 km (10 mi) SSE earthquakes near Fresno County
Madera County, CA 34 km (21 mi) N earthquakes near Madera County
Mariposa County, CA 77 km (48 mi) NNW earthquakes near Mariposa County
Kings County, CA 93 km (58 mi) S earthquakes near Kings County
Merced County, CA 96 km (60 mi) WNW earthquakes near Merced County
Tulare County, CA 111 km (69 mi) SE earthquakes near Tulare County

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

Aftershocks so far

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

  1. 1.6 4km WSW of Auberry, CA
  2. 1.8 3 km NNW of Shaver Lake, California
  3. 1.8 2km NNW of Coarsegold, CA
  4. 2.1 10km NE of Fairmead, CA
  5. 2.1 2km SW of Shaver Lake, CA
  6. 2.0 11km S of Yosemite Lakes, CA
  7. 2.0 6km W of Yosemite Lakes, CA
  8. 2.1 2km NW of North Fork, CA
  9. 1.9 4km NW of Yosemite Lakes, CA
  10. 3.2 5km ESE of Shaver Lake, CA
  11. 2.1 7km SSW of Yosemite Lakes, CA
  12. 1.9 7km N of North Fork, CA
  13. 1.9 6km W of Yosemite Lakes, CA
  14. 1.6 3km NNW of Yosemite Lakes, CA
  15. 2.2 11km W of Squaw Valley, 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.