2.8

M2.8 Earthquake 6 km SE of Ontario, CA — August 16, 2026

2026-08-16 20:35:29 UTC (15 hours ago) · approx. 12:35 PM UTC-8 local

MagnitudeM2.8(ml)
Time20:35 UTC≈ 12:35 PM UTC-8
Depth5.6 kmshallow crustal
Coordinates34.011°, -117.589°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 34.01°, -117.59°

Earthquake Details

Magnitude
2.8 ml
Depth
5.6 km
shallow crustal
Location
34.0115°N
-117.5890°E

Technical Information

Event ID
ci40674002
Event Type
earthquake
Status
✓ Reviewed
Significance
119
Stations Used
131
Azimuthal Gap
16.0°
Min Station Distance
0.024°
RMS Residual
0.19 sec
Last Updated
2026-08-16 21:01:20 UTC

Nearby Earthquakes (Last 7 Days)

2.6
11 km S of Lompoc, CA
1 hour ago · 3.6 km deep
2.8
10 km ENE of Coso Junction, CA
1 day ago · 2.7 km deep
2.6
7 km SW of Atascadero, CA
1 day ago · 6.6 km deep
3.3
42 km SW of Maneadero, B.C., MX
2 days ago · 14.1 km deep
3.4
19 km SW of Toms Place, CA
2 days ago · 2.7 km deep
2.5
12 km SSW of Lompoc, CA
2 days ago · 6.2 km deep
2.7
90 km S of Alberto Oviedo Mota, B.C., MX
3 days ago · 3.9 km deep
2.6
28 km SSW of Ocotillo Wells, CA
4 days ago · 7.8 km deep
2.6
9 km SW of Valencia, CA
4 days ago · 4.2 km deep
3.0
10 km WSW of Corona, CA
5 days ago · 2.8 km deep

Actions

View on USGSDid You Feel It?

Understanding This Data

Magnitude 2.8 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: ci40674002). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2026, August 16, 2026). M2.8 Earthquake 6 km SE of Ontario, CA — August 16, 2026. Retrieved August 16, 2026 from https://www.earthquaketracker.org/earthquakes/event/ci40674002/