QQuakeFacts

Data last collected:

USGS usp000cwf9

28 May 2004, 13:38

41 km SSE of Nowshahr, Iran

A magnitude 6.3 mwc earthquake at 17 km depth.

Depth17 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated2 May 2022Latest timestamp stored in this record

Published location

Where is 41 km SSE of Nowshahr, Iran?

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

36.290000, 51.610000

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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

Catalog fields and provenance
Event ID
usp000cwf9
Coordinates
36.29, 51.61
Network
us
Significance
611

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Questions this evidence can answer

01What exactly is this record?

Use the name, place, date and identifiers above to confirm that you have the right 41 km SSE of Nowshahr, Iran earthquake: magnitude 6.3 and depth | QuakeFacts record.

02What does the evidence establish?

Read the reported values with their units, coverage dates and source notes. Keep observed facts separate from estimates or interpretation.

03What should I verify next?

Follow the primary-source links and check the limitations before using this evidence for a decision, comparison or citation.

A closer look at 41 km SSE of Nowshahr, Iran

Depth in another unit

The recorded event depth of 17 km is approximately 10.56 miles below the source reference surface. Depth alone does not describe damage or local hazard.

Interpreting the recorded coordinates

The published position for 41 km SSE of Nowshahr, Iran is 36.29° north and 51.61° east. This expresses the source coordinates in hemispheres; it does not establish an entrance, public access or a safe route.

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