M 5.1 Earthquake Recorded 50 km NNW of Hirara, Japan

Earthquakes medium USGS · · Japan

A moderate 5.1 magnitude earthquake occurred 50 km north-northwest of Hirara, Japan, at a shallow depth of 10 km on March 20, 2026.

What Happened

A moderate earthquake with a magnitude of 5.1 mww was recorded on March 20, 2026, at 10:49:19 AM local time (01:49:19 UTC). The event was centered approximately 50 km north-northwest of Hirara, Japan.

Location Details

The seismic event occurred at coordinates 25.1857°N and 125.0348°E. The earthquake was measured at a depth of 10 kilometers. This is classified as a shallow earthquake; shallow events (less than 20 km deep) are typically felt more distinctly at the surface than deeper seismic activity.

Impact Assessment

Based on current USGS data, there is no tsunami advisory, watch, or warning in effect for this event (tsunami: 0). No felt reports have been submitted to the USGS at this time, and no alert level color has been issued for the region.

What You Should Know

A magnitude 5.1 earthquake is considered a “moderate” event. While it can cause damage to poorly constructed buildings, it typically results in light shaking and minimal damage to modern structures. Residents should be prepared for the possibility of aftershocks. In the event of shaking, remember to Drop, Cover, and Hold On.

Source

Information provided by the USGS Earthquake Hazards Program.

Source: USGS Official Notice