Earthquake Alert
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Your report helps USGS map how strongly this earthquake was felt in your area.

Report what you felt
Quick report
Earthquake reported
USGS LIVE FEED
2.8
Recorded event

Dana Point, CA

Tectonic earthquake
Near mapped fault: Pelican Hill fault · ~21 mi
2h ago 17 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
Observed
M2.8 · 17 km
Recorded seismic event. Location: Dana Point, CA.
Instrumental shaking
Estimated
Not felt
USGS MMI 0.0. This describes shaking intensity, not earthquake magnitude.
Public experience
Reported
Weak
Community intensity CDI 2.2 from felt reports.
Impact context
Estimated
No impact alert
Magnitude alone does not determine damage or impact.
Scientific products attached
DYFI
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 5, 11:14 PM
24h activity
3
M1.5+ · 50 mi
6h burst
3
nearby events
Strongest 24h
M3.5
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.
At this magnitude, effects are usually local and may not be felt except near the source.
Felt reports
3
USGS Did You Feel It? reports
Reported intensity
Weak
CDI 2.2 · community reports
Instrumental intensity
Not felt
MMI 0.0 · estimated shaking
USGS status
reviewed
Reviewed by USGS

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