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M4.6 Earthquake — 49 km NE of Yigo Village, Guam

M4.6
13.8474°N, 145.2184°E·US-GU
Started 2d ago
USGS data as of
Event Details
Typeearthquake
SeverityM4.6
Statusactive
Location13.8474°N, 145.2184°E (GU)
Started2026-10-22T08:06:35.2+00:00
Last Updated2026-10-23T08:05:37.606+00:00
Sourceusgs
Confidence1.00
Impact Zones — modeled
Affected Zone
Shaking felt. Minor damage possible in vulnerable structures.
60.2 km

Zone estimates are based on scientific models and may differ from actual local conditions.

Impact Analysis
Population Exposed1,366,231
Hospitals2
Schools27
Fire Stations6

Population from ACS 5-Year 2022 tract sampling; structure counts from Microsoft Building Footprints or Census ACS housing data, capped by USGS NLCD 2021 developed land. Estimates for situational awareness — not for actuarial, regulatory, or underwriting use.

Historical Comparison
2008 GU Earthquake64% match

M5 Earthquake in GU, 44km from current event

GU
2021 GU Earthquake64% match

M5.1 Earthquake in GU, 47km from current event

GU
1992 GU Earthquake63% match

M5 Earthquake in GU, 32km from current event

GU

Historical comparison based on peril type, geography, and severity. Past events do not predict future outcomes.

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Zone estimates are based on scientific models and may differ from actual local conditions.