Small Quake Rattles North San Diego County

Tremor centered near Lake Henshaw felt by some residents

Mar. 30, 2026 at 11:34pm

A sweeping, atmospheric landscape painting in muted earth tones, with dramatic shadows and light capturing the vast, sublime scale of a remote, rugged California terrain.A small earthquake serves as a reminder of the raw power of nature in the remote reaches of North San Diego County.San Diego Today

A 3.1 magnitude earthquake struck about 2 miles west of Lake Henshaw in North San Diego County on Monday afternoon, according to the United States Geological Survey. The quake hit at 3:51 p.m. and was felt by some people living in the remote, rural area, though it was too small to have likely caused any damage.

Why it matters

While small earthquakes are common in California, any seismic activity can be unsettling for residents, especially in more isolated areas like North County. The region has experienced larger quakes in the past, raising awareness about earthquake preparedness.

The details

The epicenter of the 3.1 magnitude quake was located just under 2 miles from Lake Henshaw, which is about 25 miles east of Valley Center and near Highway 76, a popular route to Palomar Mountain. Officials have not reported any damage from the relatively minor tremor.

  • The earthquake struck at 3:51 p.m. on Monday, March 30, 2026.

The players

United States Geological Survey

The federal agency that monitors seismic activity and provides data on earthquakes across the United States.

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The takeaway

Small earthquakes are a regular occurrence in earthquake-prone California, but they can still be unsettling for residents, especially in more remote areas. This latest tremor serves as a reminder for North County residents to stay prepared for the possibility of larger seismic events in the future.