QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000bjtb
USGS usp000bjtb

30 Nov 2002, 22:54

45 km W of Santa Cruz da Graciosa, Portugal

A magnitude 5.1 mwc earthquake at 10 km depth.

Depth10 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated2 May 2022Latest timestamp stored in this record

Published location

Where is 45 km W of Santa Cruz da Graciosa, 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.

39.114000, -28.533000

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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 5.1

39 km NW of Castelo Branco, Portugal

M 5.1

197 km NE of Santa Cruz das Flores, 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
usp000bjtb
Coordinates
39.114, -28.533
Network
us
Significance
400