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Your report helps USGS map how strongly this earthquake was felt in your area.
Quick report
Urgent earthquake reported
USGS LIVE FEED7.0
Significant magnitude
Bonin Islands, Japan region
Tectonic earthquake
Nearby volcano: Mokuyo Seamount · ~47 mi · proximity only
1d ago 473 km deep
Earthquake sequence
5 nearby events around the main quake
3 smaller events followed this quake.
5 total
Main event
M7.0
Aftershocks
3
Strongest aftershock
M6.5
Nearby USGS events grouped by distance and time. Sequence labels are contextual, not a formal USGS aftershock determination.
Event intelligence
What we know right now
Earthquake Alert separates measured facts, model estimates and public reports so magnitude is not confused with shaking or impact.
ObservedEstimatedReportedForecast
Magnitude + depth
M7.0 · 473 km
Significant magnitude event. Location: Bonin Islands, Japan region.
Instrumental shaking
Not felt
USGS MMI 0.0. This describes shaking intensity, not earthquake magnitude.
Public experience
Not felt
Community intensity CDI 0.0 from felt reports.
Impact context
No impact alert
Magnitude alone does not determine damage or impact.
Scientific products attached
No advanced USGS product is attached yet. Significant-event products often appear after the preliminary event record.
Official hazard status
No correlated tsunami alert
No active correlated tsunami warning/advisory/watch is attached to this event in Earthquake Alert.
Stress Zone · Elevated
Local seismic activity context
Oct 25, 4:12 AM
24h activity
3
M1.5+ · 50 mi
6h burst
3
nearby events
Strongest 24h
M6.5
inside zone
3 M1.5+ events within 50 miles in 24 hours
Nearby seismic activity is concentrated above the recent local rate. This can occur in aftershock sequences, earthquake swarms, or short-lived regional clustering.
What Stress Zone is: Stress Zone is an Earthquake Alert activity-context label. It does not measure tectonic stress, identify a fault as ready to rupture, or predict a larger earthquake.
What experts would say
Plain-language interpretation of current USGS data — not a direct expert quote or earthquake prediction.
Local earthquake activity is elevated compared with the recent catalog around this event. Clustering alone does not show that a larger earthquake is imminent.
This is a significant earthquake. The most useful impact indicators are measured or modeled shaking, official hazard products and reports from affected communities.
The earthquake is relatively deep, which can spread felt shaking over a wider area while changing how strongly the surface responds near the epicentral region.
Felt reports
0
USGS Did You Feel It? reports
Reported intensity
Not felt
CDI 0.0 · community reports
Instrumental intensity
Not felt
MMI 0.0 · estimated shaking
USGS status
REVIEWED
Reviewed by USGS
Follow this event
Follow this event for magnitude revisions, significant updates and related seismic developments.
Official source
Earthquake Alert organizes authoritative seismic and hazard information for rapid understanding. Always follow official emergency guidance for safety decisions.
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