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Quick report
Earthquake reported
USGS LIVE FEED4.9
Recorded event
Vilyuchinsk, Russia
Tectonic earthquake
Nearby volcano: Mutnovsky · ~65 mi · proximity only
1h ago 39 km deep
Aftershock activity
4 nearby events in this sequence
This quake is event 3 of 4.
4 total
Main event
M5.8
Aftershocks
3
Strongest aftershock
M5.0
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
M4.9 · 39 km
Recorded seismic event. Location: Vilyuchinsk, Russia.
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 2, 10:10 PM
24h activity
4
M1.5+ · 50 mi
6h burst
4
nearby events
Strongest 24h
M5.8
inside zone
4 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 magnitude is large enough to be felt across a broad area. Actual impact depends more on shaking intensity, depth, distance and building vulnerability than magnitude alone.
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
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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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