Minor Earthquake ● Monitoring

M4.3 Earthquake — Mariana Islands region

Event time: Last updated: 1 day ago
Icon = what happened · ring colour = how serious: Extreme Severe Moderate Minor

Loading live data… · Marker positions are approximate; severity is labelled in each popup. Sources: USGS, GDACS, NASA EONET, NOAA/NWS, EMSC.

Magnitude 4.3 earthquake Mariana Islands region at a depth of 343.1 km, recorded by the U.S. Geological Survey.

Measurements

MagnitudeM4.3
Depth343.1 km
Coordinates21.5448, 142.9876
RegionMariana Islands region
Tsunami Flag0

Measured by

Earthquake data courtesy of the U.S. Geological Survey

This is a scientific measurement of an event that has already happened. It is not a warning, and it does not tell you what to do.

Not rated by source. US Geological Survey does not publish a severity for this; the level shown is our own classification.

View original report

Also reported by: EMSC

This event as JSON · API and licence

Source updated 3 days ago (Oct 16, 2026 04:38 UTC) · we last heard from US Geological Survey 46 seconds ago

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General safety information

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Nearby & related events

Ahyi Seamount — Volcano Alert Level ADVISORY Moderate Volcanic Activity United States active via USGS_VOLCANO 3 days ago M4.6 Earthquake — Volcano Islands, Japan Region Minor Earthquake Japan monitoring via EMSC Oct 12, 2026 Tropical Cyclone TWENTYEIGHT-26 Minor Hurricane / Cyclone / Typhoon monitoring via GDACS Oct 12, 2026 M4.4 Earthquake — Volcano Islands, Japan Region Minor Earthquake Japan monitoring via EMSC Oct 11, 2026 M4.2 Earthquake — Mariana Islands region Minor Earthquake monitoring via USGS Oct 11, 2026

Disclaimer: figures are automatic feeds from the named agencies and may be revised. Do not use this page for life-safety decisions — follow official local emergency services.