Data last collected:
QuakeFactsEvidence report · prepared 19 October 2026https://quakes99.com/entity/usp000bsgt
USGS usp000bsgt
12 Mar 2003, 18:04
115 km NW of Nago, Japan
A magnitude 5.4 mwc earthquake at 147.8 km depth.
Published location
Where is 115 km NW of Nago, Japan?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
27.283000, 127.094000
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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
usp000bsgt
Coordinates
27.283, 127.094
Network
us
Significance
449
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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 115 km NW of Nago, Japan earthquake: magnitude 5.4 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 115 km NW of Nago, Japan
Depth in another unit
The recorded event depth of 147.8 km is approximately 91.84 miles below the source reference surface. Depth alone does not describe damage or local hazard.
Interpreting the recorded coordinates
The published position for 115 km NW of Nago, Japan is 27.283° north and 127.094° east. This expresses the source coordinates in hemispheres; it does not establish an entrance, public access or a safe route.