Data last collected:
QuakeFactsEvidence report · prepared 22 October 2026https://quakes99.com/entity/usp000b6jc
USGS usp000b6jc
20 Jun 2002, 06:26
244 km SSW of ‘Ohonua, Tonga
A magnitude 5.1 mb earthquake at 33 km depth.
Published location
Where is 244 km SSW of ‘Ohonua, Tonga?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
-23.473000, -175.518000
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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
usp000b6jc
Coordinates
-23.473, -175.518
Network
us
Significance
400
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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 244 km SSW of ‘Ohonua, Tonga earthquake: magnitude 5.1 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 244 km SSW of ‘Ohonua, Tonga
Depth in another unit
The recorded event depth of 33 km is approximately 20.51 miles below the source reference surface. Depth alone does not describe damage or local hazard.
Interpreting the recorded coordinates
The published position for 244 km SSW of ‘Ohonua, Tonga is 23.473° south and 175.518° west. This expresses the source coordinates in hemispheres; it does not establish an entrance, public access or a safe route.