QuakeIndex

Earthquake · automatic estimate, may change

M 1.8ml

Earthquake near Searles Valley, CA

No earthquake was likely felt in Searles Valley in the 24 hours to 7:30 am PST (15:30 UTC). The last one was M 2.7, 21 km (13 mi) N, at 11:15 am PST on 4 November 2026, estimated intensity II (weak) in town. Every earthquake near Searles Valley

This page: a magnitude 1.8 earthquake was recorded 32 km (20 mi) north of Searles Valley, CA, at 6:39 pm PDT on 9 July 2019 (01:39 UTC), 17 km deep. The magnitude and location are an automatic first estimate and may change.

USGS: 32km N of Searles Valley, CA

6:39 pm PDT, Jul 9, 2019 · · 17 km deep · released about 16 lb of TNT

Every earthquake near Searles Valley Felt it? Tell USGS Check my area
10 km30 km60 km120 km N Inyo County 57 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
6:39 pm PDT on 9 July 2019 ()
Where
32 km (20 mi) north of Searles Valley, CA · earthquakes near Searles Valley
Magnitude
M 1.8 (ml)
Depth
17 km below the surface
Felt
no reports yet
Nearest
Inyo County, 57 km N
Nearest mapped fault
Ash Hill fault, 11 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 2683 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 Searles Valley, 32 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 16 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 2.8 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 970,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 680,000× the energy of this one
  3. Around the size people start to feel M 3.0 61× the energy of this one
  4. This earthquake M 1.8 about 16 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 7.1 on 2019-07-06 — about 86,000,000 times the energy of this one.

Before 2016, the USGS record lists 13 earthquakes of M5 or more within 50 km; the five largest:

  1. 6.0 Death Valley area, California · 41 km E of this epicentre
  2. 5.9 Death Valley area, California · 41 km E of this epicentre
  3. 5.8 16km NNE of Ridgecrest, California · 36 km SSW of this epicentre
  4. 5.4 17km N of Ridgecrest, California · 36 km SSW of this epicentre
  5. 5.3 27km E of Coso Junction, California · 18 km W 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 36.0488, -117.4478. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection from the epicentre
Inyo County, CA 57 km (36 mi) N earthquakes near Inyo County
Tulare County, CA 121 km (75 mi) W earthquakes near Tulare County
Kern County, CA 140 km (87 mi) WSW earthquakes near Kern County

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

Aftershocks so far

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

  1. 1.8 15km SSW of Searles Valley, CA
  2. 1.6 21km ESE of Little Lake, CA
  3. 1.7 17km W of Searles Valley, CA
  4. 3.6 14km SSW of Searles Valley, CA
  5. 1.7 19km E of Little Lake, CA
  6. 1.8 13km S of Searles Valley, CA
  7. 1.9 19km E of Little Lake, CA
  8. 1.7 11km WSW of Searles Valley, CA
  9. 1.7 18km NNE of Coso Junction, CA
  10. 2.0 33km N of Searles Valley, CA
  11. 1.9 11km SSW of Searles Valley, CA
  12. 1.6 15km ENE of Ridgecrest, CA
  13. 2.2 23km N of Ridgecrest, CA
  14. 1.5 23km N of Ridgecrest, CA
  15. 1.5 21km WNW of Searles 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.