3.5

M3.5 Earthquake 26 km WNW of Ludlow, CAApril 17, 2026

2026-04-17 13:03:42 UTC (2 days ago)

On April 17, 2026 at 13:03 UTC, a magnitude 3.5 shallow crustal earthquake struck 26 km WNW of Ludlow, CA, at a depth of 1.3 km and coordinates 34.8392°, -116.4102°. The earthquake was reported felt by 7 peopleacross nearby locations, with a maximum shaking intensity of Modified Mercalli Intensity (MMI) 3.8 (light).

Map showing earthquake epicenter at 34.84°, -116.41°

Earthquake Details

Magnitude
3.5 ml
Depth
1.3 km
shallow crustal
Location
34.8392°N
-116.4102°E
Felt Reports
7
DYFI responses
Intensity (MMI)
3.8
light
Community Intensity
3.1
CDI from reports

Technical Information

Event ID
ci41443376
Event Type
earthquake
Status
✓ Reviewed
Significance
195
Stations Used
45
Azimuthal Gap
67.0°
Min Station Distance
0.063°
RMS Residual
0.15 sec
Last Updated
2026-04-18 13:14:33 UTC

Common Questions

How strong was the magnitude 3.5 earthquake near Ludlow, CA?

The magnitude 3.5 earthquake that struck 26 km WNW of Ludlow, CA on April 17, 2026 at 13:03 UTC had a depth of 1.3 km. It was felt by 7 people with maximum shaking intensity of MMI 3.8 (light). For context, this was a minor earthquake typically detected only by instruments.

Were there aftershocks?

Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 3.5 earthquakes can continue for several days and gradually diminish over time.

What should I do after an earthquake?

If you were in the affected area: check yourself and others for injuries, inspect your home for damage, and be prepared for aftershocks. For detailed guidance, see our earthquake safety guide and emergency planning resources.