QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp0003k6t
USGS usp0003k6t

21 Aug 1988, 00:09

9 km WSW of Triyuga, Nepal

A magnitude 6.9 mw earthquake at 57.4 km depth.

Depth57.4 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated28 April 2022Latest timestamp stored in this record

Published location

Where is 9 km WSW of Triyuga, Nepal?

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

26.755000, 86.616000

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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.

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Continue exploring

Nearby events with a similar magnitude

M 8

1934 Bihar-Nepal Earthquake

M 5.1

26 km W of Bhojpur, Nepal

Catalog fields and provenance
Event ID
usp0003k6t
Coordinates
26.755, 86.616
Network
us
Significance
732