QuakeIndex

Earthquake · reviewed by a seismologist

M 2.0ml

Earthquake near Barstow, CA

No earthquake was likely felt in Barstow in the 24 hours to 12:11 am PST (08:11 UTC). The last one was M 1.8, 3 km (2 mi) NNW, at 3:18 pm PDT on 17 July 2026, estimated intensity II (weak) in town; 1 felt report to USGS. Every earthquake near Barstow

This page: a magnitude 2.0 earthquake was recorded 5 km (3 mi) east-northeast of Barstow, CA, at 5:01 pm PDT on 10 April 2017 (00:01 UTC), 7.8 km deep.

USGS: 5km ENE of Barstow, CA

48 km (30 mi) NNE of Apple Valley, CA · 115 km (72 mi) NNE of Riverside, CA

5:01 pm PDT, Apr 10, 2017 · · 7.8 km deep · released about 30 lb of TNT

Every earthquake near Barstow Felt it? Tell USGS Check my area
10 km30 km60 km120 km N San Bernardino County 73 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
5:01 pm PDT on 10 April 2017 ()
Where
5 km (3 mi) east-northeast of Barstow, CA · earthquakes near Barstow
Magnitude
M 2.0 (ml)
Depth
7.8 km below the surface
Felt
no reports yet
Nearest
San Bernardino County, 73 km E
Nearest mapped fault
Harper fault, under 1 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 3467 days ago

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

At this magnitude and depth, people at rest would likely notice it out to about 14 km (9 mi) from the epicentre. In Barstow, 5 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.

Likely felt in: Barstow 5 km, intensity II · Barstow Heights 9 km, intensity II. Estimated for each town centre; each link is that town's own record.

How big was it?

This earthquake released about 30 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 5.8 500,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 350,000× the energy of this one
  3. Around the size people start to feel M 3.0 32× the energy of this one
  4. This earthquake M 2.0 about 30 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 2016-02-20 — about 2,900 times the energy of this one.

Before 2016, the USGS record lists 4 earthquakes of M5 or more within 50 km:

  1. 6.5 The 1947 Manix, California Earthquake · 41 km E of this epicentre
  2. 5.3 20km ENE of Barstow, California · 16 km ENE of this epicentre
  3. 5.1 46 km E of Barstow, California · 43 km ESE of this epicentre
  4. 5.0 27km S of Fort Irwin, CA · 26 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 34.9173, -116.9783. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection from the epicentre
San Bernardino County, CA 73 km (45 mi) E earthquakes near San Bernardino County
Los Angeles County, CA 142 km (88 mi) SW earthquakes near Los Angeles County

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

Aftershocks so far

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

  1. 3.1 33km E of Barstow, CA
  2. 2.1 13km ENE of Barstow, CA
  3. 3.3 26km ENE of Barstow, CA
  4. 2.1 26km ENE of Barstow, CA
  5. 2.1 17km ENE of Boron, CA
  6. 1.9 4km ENE of Barstow, CA
  7. 1.5 25km SE of Fort Irwin, CA
  8. 1.6 18km E of Boron, CA
  9. 1.5 15km NNE of Apple Valley, CA
  10. 2.0 19km E of Boron, CA
  11. 2.1 19km E of Boron, CA
  12. 1.7 14km NNE of Apple Valley, CA
  13. 1.7 35km NE of Lucerne Valley, CA
  14. 2.8 18km SSE of Fort Irwin, CA
  15. 1.5 12km NE of Barstow, 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.