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Quick report
Earthquake reported
USGS LIVE FEED0.9
Recorded event
The Geysers, CA
Tectonic earthquake
Near mapped fault: Unnamed mapped fault · ~2 mi
Nearby volcano: Clear Lake Volcanic Field · ~9 mi · proximity only
2d ago 1 km deep
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
M0.9 · 1 km
Recorded seismic event. Location: The Geysers, CA.
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 3, 9:00 PM
24h activity
5
M1.5+ · 50 mi
6h burst
1
nearby events
Strongest 24h
M2.4
inside zone
5 M1.5+ events in 24 hours · about 0.9× the previous 6-day daily rate
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.
At this magnitude, effects are usually local and may not be felt except near the source.
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
automatic
Preliminary automated data
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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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