Moderate M 5.4 Earthquake Strikes Balleny Islands Region
A magnitude 5.4 earthquake occurred in the Balleny Islands region on March 20, 2026. The shallow event was recorded at a depth of 10 kilometers.
What Happened
A moderate earthquake with a magnitude of 5.4 (mww) was recorded in the Balleny Islands region. The seismic event occurred on March 20, 2026, at 13:01:42 UTC. The earthquake has been reviewed by seismologists at the USGS.
Location Details
The earthquake was centered at coordinates 62.4511°S and 165.3363°E. The event occurred at a depth of 10 kilometers, which is classified as a shallow earthquake. Shallow earthquakes, typically occurring at depths of less than 20 kilometers, are generally felt more distinctly than deeper seismic events.
Impact Assessment
There have been no felt reports submitted to the USGS for this event. No tsunami advisory, watch, or warning has been issued (tsunami: 0). The event was assigned a Modified Mercalli Intensity (MMI) of 0, and no specific alert level color was triggered.
What You Should Know
Earthquakes of magnitude 5.0 to 5.9 are considered moderate. While they can cause damage to poorly constructed buildings in populated areas, they are routine geological events in many parts of the world. Residents in the region should be aware of the potential for aftershocks, which are common following an event of this size.
Source
Data provided by the United States Geological Survey (USGS).
Source: USGS Official Notice