Moderate M 5.3 Earthquake Strikes Pagan Region, Northern Mariana Islands
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 5.3 earthquake occurred in the Pagan region of the Northern Mariana Islands at a depth of 191.3 km on March 2, 2026.
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 Northern Mariana Islands. 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, Northern Mariana Islands.
What Happened
A moderate earthquake with a magnitude of 5.3 (mb) was recorded in the Pagan region of the Northern Mariana Islands. The seismic event occurred on March 2, 2026, at 14:38:22 UTC. The event has been reviewed by seismologists at the USGS.
Location Details
The earthquake was centered at coordinates 18.8779°N and 145.6537°E. It originated at a depth of 191.3 km. This is classified as a deep earthquake, as it occurred significantly below the 70 km threshold. Deep earthquakes typically result in less intense shaking at the surface compared to shallow events of the same magnitude.
Impact Assessment
According to the USGS data, there was no tsunami advisory, watch, or threat issued in connection with this event. There are currently no felt reports submitted by the public, and no specific alert level color has been assigned. Due to the depth and location, the immediate impact is expected to be minimal.
What You Should Know
A magnitude 5.3 event is categorized as a moderate earthquake. While earthquakes of this size can cause damage to poorly constructed buildings when they occur at shallow depths, the 191.3 km depth of this event likely mitigated surface effects. Residents in the region should always be prepared for the possibility of aftershocks, which are routine following seismic activity of this magnitude.
Source
Data and attribution provided by the USGS.
Original source: USGS Official Notice ↗
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