QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp00038mb
USGS usp00038mb
22 Sept 1987, 17:21
36 km WSW of Tena, Ecuador
A magnitude 6 mw earthquake at 10 km depth.
Published location
Where is 36 km WSW of Tena, Ecuador?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
-1.082000, -78.127000
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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
usp00038mb
Coordinates
-1.082, -78.127
Network
us
Significance
554