Image Source: KCRA

Earthquake activity was reported in Los Angeles County on Thursday afternoon after a magnitude 3.1 temblor struck near Compton, according to the U.S. Geological Survey.

The quake occurred at approximately 1:32 p.m. PDT on Sept. 17, 2026, about 2 miles south-southeast of Compton. The USGS reported that the earthquake had a depth of 8.2 miles.

Breaking earthquake near Compton prompts reports of light shaking

Residents in and around the Compton area reported weak to light shaking, according to intensity information provided through the USGS. The initial reports indicated that the movement was noticeable in parts of the region but remained limited in strength.

There were no reports of injuries, significant property damage or major disruptions in the information available from the source update. Local residents may nevertheless have felt a brief vibration, particularly in buildings or areas closer to the earthquake’s location.

The event was centered near Compton, a city in Los Angeles County located south of downtown Los Angeles and west of Long Beach. Because the quake occurred at a moderate depth, the level of shaking experienced at the surface could vary depending on distance, soil conditions and the construction of nearby buildings.

What the USGS reported about the earthquake

Magnitude: 3.1
Time: Approximately 1:32 p.m. PDT
Date: Thursday, Sept. 17, 2026
Location: About 2 miles south-southeast of Compton
Depth: 8.2 miles
Reported intensity: Weak to light shaking in the area

The USGS is the primary source for the earthquake’s magnitude, location and depth. Seismic information can be refined after an initial report as additional data becomes available from monitoring stations and public observations.

Could more shaking follow?

Small earthquakes are common in California, and a single event does not necessarily signal that a larger earthquake is imminent. However, aftershocks or additional minor tremors can sometimes occur following an initial quake.

Residents who felt the earthquake should remain aware of their surroundings and watch for official updates. People should also check their homes for obvious hazards, including fallen objects, broken glass, damaged utilities or unusual structural movement.

Earthquake safety officials generally recommend that people indoors Drop, Cover and Hold On during strong shaking. That means dropping to the ground, taking cover beneath a sturdy table or desk when possible, and holding on until the movement stops. People should avoid running outside during the shaking because falling objects and broken glass can create additional danger.

Those outdoors should move away from buildings, utility wires, trees and other objects that could fall. Drivers should pull over safely if shaking begins, keeping clear of bridges, overpasses and damaged roadways.

Why the location matters for Southern California residents

Los Angeles County is home to millions of people and sits within one of the most seismically active regions in the United States. Even a relatively small earthquake can draw attention because shaking may be felt across several communities, depending on the depth and location of the event.

Thursday’s earthquake was close to Compton, placing nearby communities on alert for possible reports of shaking. The USGS intensity map showed weak to light movement in the affected area, providing an early indication of how the earthquake was experienced by residents.

At this time, the available report describes a minor earthquake with limited shaking. Officials and residents will continue to monitor the area for any additional activity or updated information.

What residents should do now

Check for visible damage or fallen objects.
Stay away from broken glass and damaged structures.
Secure heavy items that may have shifted.
Be cautious around gas, water and electrical lines.
Keep emergency supplies accessible.
Follow updates from trusted emergency and public safety agencies.

KCRA’s report was updated at 1:51 p.m. PDT. The latest available information from the USGS identified the event as a magnitude 3.1 earthquake near Compton, with weak to light shaking reported in the surrounding area.

Frequently asked questions

Where did the earthquake happen?

The earthquake struck about 2 miles south-southeast of Compton in Los Angeles County, California.

How strong was the earthquake?

The USGS measured the earthquake at magnitude 3.1.

When did the earthquake occur?

The earthquake hit at approximately 1:32 p.m. PDT on Thursday, Sept. 17, 2026.

Was damage reported?

No injuries or significant damage were included in the available source update. Weak to light shaking was reported in the area.

What should people do during an earthquake?

People indoors should Drop, Cover and Hold On. After shaking stops, check for hazards and follow official safety instructions.