Moderate Earthquake ● Active

M5.0 Earthquake — Pagan region, Northern Mariana Islands

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 5.0 earthquake Pagan region, Northern Mariana Islands at a depth of 129.4 km, recorded by the U.S. Geological Survey.

Measurements

MagnitudeM5.0
Depth129.4 km
Coordinates18.2529, 146.0345
RegionPagan region, Northern Mariana Islands
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 10 hours ago (Oct 20, 2026 21:04 UTC) · we last heard from US Geological Survey 50 seconds ago

On a slow connection? Low-bandwidth version — no map, no scripts, under 14 KB.

What USGS has published since this earthquake

Aftershock forecast

USGS gives a 2% chance of at least one aftershock of magnitude 5 or larger in the week to 28 Oct 2026, less than a 1% chance of magnitude 6 or larger, and less than a 1% chance of magnitude 7 or larger.

USGS puts a 2% chance on an earthquake larger than this magnitude 5 following in the week to 28 Oct 2026.

Chance of at least one aftershock in M5+M6+M7+
the day to 22 Oct 2026 <1% <1% <1%
the week to 28 Oct 2026 2% <1% <1%
the month to 20 Nov 2026 5% <1% <1%
the year to 21 Oct 2027 9% 1% <1%

USGS forecast issued 21 Oct 2026 02:54 UTC, generated automatically. A forecast gives chances, not times: it cannot say when or where an aftershock will strike.

From the U.S. Geological Survey. The USGS event page has the maps and everything USGS has published for this earthquake.

General safety information

No authority has issued instructions for this event. The guidance below is general background reading, not a response to it.

Drop, Cover, and Hold On — what to do before, during and after an earthquake, plus emergency kit and family plan checklists.

Open Earthquake Safety Guide →

Nearby & related events

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.