QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000av9u
USGS usp000av9u

26 Dec 2001, 01:22

197 km NE of Santa Cruz das Flores, Portugal

A magnitude 5.1 mwc earthquake at 10 km depth.

Depth10 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated19 December 2025Latest timestamp stored in this record

Published location

Where is 197 km NE of Santa Cruz das Flores, Portugal?

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

40.631000, -29.387000

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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 5.1

39 km NW of Castelo Branco, Portugal

M 5.1

45 km W of Santa Cruz da Graciosa, Portugal

M 5.1

147 km NE of Santa Cruz das Flores, Portugal

M 5.1

204 km NE of Santa Cruz das Flores, Portugal

M 5.1

Azores Islands region

M 5.1

205 km SSW of Lajes das Flores, Portugal

Catalog fields and provenance
Event ID
usp000av9u
Coordinates
40.631, -29.387
Network
us
Significance
400