Data last collected:
QuakeFactsEvidence report · prepared 25 October 2026https://quakes99.com/entity/iscgem782797
USGS iscgem782797
27 Jul 1971, 03:02
98 km ESE of Sucúa, Ecuador
A magnitude 7.4 mw earthquake at 113.3 km depth.
Published location
Where is 98 km ESE of Sucúa, 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.
-2.848000, -77.379000
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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
iscgem782797
Coordinates
-2.848, -77.379
Network
iscgem
Significance
847
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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 98 km ESE of Sucúa, Ecuador earthquake: magnitude 7.4 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 98 km ESE of Sucúa, Ecuador
Depth in another unit
The recorded event depth of 113.3 km is approximately 70.4 miles below the source reference surface. Depth alone does not describe damage or local hazard.
Interpreting the recorded coordinates
The published position for 98 km ESE of Sucúa, Ecuador is 2.848° south and 77.379° west. This expresses the source coordinates in hemispheres; it does not establish an entrance, public access or a safe route.