QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp0000ad8
USGS usp0000ad8

28 Mar 1975, 03:31

17 km NE of Snowville, Utah

A magnitude 6.1 mb earthquake at 5 km depth.

Depth5 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated19 December 2025Latest timestamp stored in this record

Published location

Where is 17 km NE of Snowville, Utah?

This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.

42.061000, -112.548000

Open the interactive map ↗

Map data © OpenStreetMap contributors

What the numbers mean

Magnitude measures event size; depth locates the source below the surface. Neither value alone establishes local damage or personal risk.

Need a current safety answer?

Use local emergency authorities and the live USGS event page. This historical evidence page is not an alert service.

Open the USGS event →

Continue exploring

Nearby events with a similar magnitude

M 6

Pleasant Valley, Nevada (Foreshock)

M 5.9

8 km ENE of Wells, Nevada

M 6.6

The 1934 Hansel Valley, Utah Earthquake

M 5.1

10 km ENE of Wells, Nevada

Catalog fields and provenance
Event ID
usp0000ad8
Coordinates
42.061, -112.548
Network
us
Significance
572