Data last collected:
QuakeFactsEvidence report · prepared 19 October 2026https://quakes99.com/entity/iscgem16957819
USGS iscgem16957819
25 Jun 1904, 21:00
115 km ESE of Petropavlovsk-Kamchatsky, Russia
A magnitude 7.7 mw earthquake at 30 km depth.
Published location
Where is 115 km ESE of Petropavlovsk-Kamchatsky, Russia?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
52.763000, 160.277000
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
iscgem16957819
Coordinates
52.763, 160.277
Network
iscgem
Significance
912
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 115 km ESE of Petropavlovsk-Kamchatsky, Russia earthquake: magnitude 7.7 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 ESE of Petropavlovsk-Kamchatsky, Russia
Depth in another unit
The recorded event depth of 30 km is approximately 18.64 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 ESE of Petropavlovsk-Kamchatsky, Russia is 52.763° north and 160.277° east. This expresses the source coordinates in hemispheres; it does not establish an entrance, public access or a safe route.