Moderate 5.5 Magnitude Earthquake Strikes North of Yigo Village, Guam
Areazine synthesizes this USGS earthquake report directly from USGS's official public data feed. See our methodology for full source attribution and refresh cadence.
A magnitude 5.5 earthquake occurred 48 km north of Yigo Village, Guam, at a depth of 152 km. No tsunami advisory was issued.
What this USGS earthquake report tells you, and what most readers miss
This notice was issued by USGS on April 6, 2026 and geographically references Guam. Its severity classification of "medium" signals how the issuing agency weighs the risk of harm if no action is taken - "critical" and "high" tier alerts typically carry direct consumer actions, while "medium" and "low" tend toward informational guidance or monitoring advisories. The category it belongs to - Earthquakes - determines the monitoring protocol behind it, which shapes what follow-up action (checking for structural damage, watching for aftershocks, reviewing local building codes) is relevant and which agency holds authority over the assessment.
Most readers skim a notice like this, check whether they are personally affected, and move on. The more useful lens is to verify its scope, source, and timestamp, then compare related notices without assuming that one record proves a broader trend.
Areazine pairs this record with the original agency URL so you can check the primary source before acting. Its related labels are earthquake, seismic, usgs, Guam.
What Happened
A moderate earthquake with a magnitude of 5.5 Mi occurred on February 11, 2026, at 10:30:17 UTC (8:30 PM local time in Guam). The seismic event was recorded at a depth of 152 kilometers.
Location Details
The epicenter was located at coordinates 13.97°N, 144.858°E, approximately 48 kilometers north of Yigo Village, Guam. The recorded depth of 152 km classifies this as a deep earthquake. Deep earthquakes (those occurring at depths greater than 70 km) are typically felt over a wide area but are generally less likely to cause significant surface damage than shallow events.
Impact Assessment
As of the latest report, 12 individuals have submitted felt reports to the USGS, with a Community Decimal Intensity (CDI) of 3.8. There is no tsunami advisory, watch, or threat in effect following this earthquake. No specific alert level color was assigned to this event in the source data.
What You Should Know
Moderate earthquakes (M 5.0-5.9) are capable of causing damage to poorly constructed buildings, though the significant depth of this particular event often mitigates the intensity of shaking felt at the surface. Residents in the region should remain aware of the possibility of aftershocks. In the event of further seismic activity, safety officials recommend that you "Drop, Cover, and Hold On."
Source
Data provided by the USGS Earthquake Hazards Program.
Original source: USGS Official Notice ↗
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