Earthquake · reviewed by a seismologist
M 4.3mw
Earthquake near Barstow Heights, CA
No earthquake was likely felt in Barstow Heights in the 24 hours to 7:15 pm PST (03:15 UTC). The last one was M 1.8, 6 km (4 mi) NNE, at 3:18 pm PDT on 17 July 2026, estimated intensity II (weak) in town; 1 felt report to USGS. Every earthquake near Barstow Heights
This page: a magnitude 4.3 earthquake was recorded 49 km (30 mi) southeast of Barstow Heights, CA, at 10:13 pm PST on 19 February 2016 (06:13 UTC), 6.7 km deep. 1,287 people have reported feeling it to USGS.
USGS: 36km ENE of Lucerne Valley, CA
54 km (34 mi) E of Apple Valley, CA · 103 km (64 mi) NE of Riverside, CA
- When
- 10:13 pm PST on 19 February 2016 ()
- Where
- 49 km (30 mi) southeast of Barstow Heights, CA · earthquakes near Barstow Heights
- Magnitude
- M 4.3 (mw)
- Depth
- 6.7 km below the surface
- Felt
- 1,287 reports · strongest reported intensity V
- Measured shaking
- intensity VI (ShakeMap)
- USGS impact alert
- green
- Tsunami
- USGS flagged this event for tsunami evaluation. Follow tsunami.gov for official messages.
- Nearest
- San Bernardino County, 49 km NE
- Nearest mapped fault
- Camp Rock-Emerson-Copper Mountain fault, 2 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 3844 days ago
Earthquake alerts for Barstow Heights, CA
Get a notification in this browser when USGS records an earthquake near Barstow Heights, CA. No account or email needed.
Alerts are on for .
Not a warning. An alert comes after USGS publishes a quake, usually minutes after the shaking. For early warning use ShakeAlert, through your phone's Wireless Emergency Alerts or the MyShake app.
This was a light earthquake. It is usually felt clearly nearby and can rattle windows and dishes, but damage is uncommon.
At this magnitude and depth, people at rest would likely notice it out to about 122 km (76 mi) from the epicentre. In Barstow Heights, 49 km away, the estimate is intensity III (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: Lucerne Valley 36 km, intensity III · Big Bear City 44 km, intensity III · Barstow 48 km, intensity III · Big Bear Lake 48 km, intensity III · Barstow Heights 49 km, intensity III. Estimated for each town centre; each link is that town's own record.
How big was it?
This earthquake released about 44 tons of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 5.3 would have released about 32 times as much.
- Northridge, California 1994 M 6.7 3,800× the energy of this one
- Mineral, Virginia 2011 M 5.8 170× the energy of this one
- Magna, Utah 2020 M 5.7 120× the energy of this one
- This earthquake M 4.3 about 44 tons of TNT
- Around the size people start to feel M 3.0 this one released 92× more
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 (31 mi) since our catalogue begins in 2016. The previous largest was M 4.1 on 2016-01-24.
Before 2016, the USGS record lists 20 earthquakes of M5 or more within 50 km; the five largest:
- 7.3 The 1992 Landers, California Earthquake · 49 km SSE of this epicentre
- 7.1 The 1999 Hector Mine, California Earthquake · 33 km E of this epicentre
- 6.5 The 1947 Manix, California Earthquake · 42 km NNE of this epicentre
- 6.3 The 1992 Big Bear, California Earthquake · 49 km SSW of this epicentre
- 5.8 13km WSW of Ludlow, CA · 32 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 34.6098, -116.6288. Map © OpenStreetMap contributors.
Nearby places
| Place | Distance | Direction from the epicentre | |
|---|---|---|---|
| San Bernardino County, CA | 49 km (31 mi) | NE | earthquakes near San Bernardino County |
| Riverside County, CA | 114 km (71 mi) | SSE | earthquakes near Riverside County |
| Orange County, CA | 148 km (92 mi) | SW | earthquakes near Orange County |
Places and coordinates from the US Census Bureau Gazetteer (2024). Distances are from the epicentre.
Aftershocks so far
57 earthquakes have been recorded within 50 km since this one.
- 1.9 4km N of Big Bear City, CA
- 1.6 37km ENE of Lucerne Valley, CA
- 1.5 15km E of Barstow, CA
- 2.2 40km N of Yucca Valley, CA
- 1.7 8km WSW of Ludlow, CA
- 2.9 38km ENE of Lucerne Valley, CA
- 1.6 8km N of Big Bear Lake, CA
- 1.6 27km N of Yucca Valley, CA
- 1.7 38km ENE of Lucerne Valley, CA
- 2.8 10km N of Big Bear Lake, CA
- 1.9 15km WSW of Ludlow, CA
- 1.7 14km SW of Ludlow, CA
- 1.7 35km N of Yucca Valley, CA
- 1.8 5km NNW of Big Bear City, CA
- 1.6 28km NNW of Twentynine Palms, 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
- The official USGS event page — the source of record for every value above
- Did you feel it? Report it to USGS — reports go to USGS, not to us
- ShakeMap for this event, when USGS has produced one
QuakeIndex does not issue warnings. For earthquake early warning see ShakeAlert.