⊕earthquakeactive

M3.3 Earthquake — 3 km NW of Little America, Wyoming

M3.3

41.5807°N, 109.8942°W·US-WY

Started 2d ago

USGS data as of 19:00 UTC

Event Details

Typeearthquake

SeverityM3.3

Statusactive

Location41.5807°N, 109.8942°W (WY)

Started2026-10-22T09:44:42.95+00:00

Last Updated2026-10-23T09:40:38.04+00:00

Sourceusgs

Source URLearthquake.usgs.gov

Confidence1.00

Impact Zones — modeled

Affected Zone

Shaking felt. Minor damage possible in vulnerable structures.

16.8 km

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

Impact Analysis

Population Exposed1,064

Schools1

Fire Stations2

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

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Sweetwater County, WY disaster history All US hazard profiles Scoring methodology

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