QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp00030ah
USGS usp00030ah

23 Nov 1986, 01:39

109 km W of Alianza Cristiana, Peru

A magnitude 6.8 mw earthquake at 105.7 km depth.

Depth105.7 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated27 April 2022Latest timestamp stored in this record

Published location

Where is 109 km W of Alianza Cristiana, Peru?

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

-3.342000, -77.411000

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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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Nearby events with a similar magnitude

M 6.8

48 km NNE of Segunda Jerusalén - Azunguillo, Peru

M 6.7

64 km WSW of Alianza Cristiana, Peru

M 6.6

6 km ESE of Segunda Jerusalén - Azunguillo, Peru

M 6.5

17 km NE of Tabaloslos, Peru

M 6.5

4 km ENE of Rioja, Peru

M 7.1

11 km NE of Rioja, Peru

Catalog fields and provenance
Event ID
usp00030ah
Coordinates
-3.342, -77.411
Network
us
Significance
711