QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp0000n1c
USGS usp0000n1c
21 Mar 1977, 22:18
48 km NNE of Bandar Abbas, Iran
A magnitude 6.9 ms earthquake at 29 km depth.
Published location
Where is 48 km NNE of Bandar Abbas, 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.
27.609000, 56.393000
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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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Catalog fields and provenance
Event ID
usp0000n1c
Coordinates
27.609, 56.393
Network
us
Significance
732