Data last collected:
QuakeFactsEvidence report · prepared 9 October 2026https://quakes99.com/entity/usp000a166
USGS usp000a166
3 Oct 2000, 05:13
123 km NE of Miyako, Japan
A magnitude 6.3 mwc earthquake at 33 km depth.
Published location
Where is 123 km NE of Miyako, 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.
40.282000, 143.124000
Open the interactive map ↗Map data © OpenStreetMap contributors
What the numbers mean
Magnitude measures event size; depth locates the source below the surface. Neither value alone establishes local damage or personal risk.
Need a current safety answer?
Use local emergency authorities and the live USGS event page. This historical evidence page is not an alert service.
Continue exploring
Nearby events with a similar magnitude
Catalog fields and provenance
Event ID
usp000a166
Coordinates
40.282, 143.124
Network
us
Significance
611
Use this record
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 123 km NE of Miyako, Japan earthquake: magnitude 6.3 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.