Calamity
LowEarthquakesCalamity Score: 21

Earthquakes near Alameda

AlamedaUnited StatesUSGS

Right now

The most recent data we hold from USGS arrived 2 hours ago, and this point is in it.

Nothing else has been detected within 20 km in the last 24 hours.

Reported by USGS today.

It is the strongest of the 8 detections recorded within 20 km of this point since 7 June 2026. The last comparable one was on 13 August 2026.

What the source measured

USGS reported: 2 km ESE of Oakland, CA

USGS recorded magnitude 2.5 at a depth of 10 km.

An estimated 405,959 people live within 15 km of this point.

Nearby, since 7 June 2026

How we know

One source: USGS. Not yet confirmed by a second, independent source.

Our own score for this event is 21 out of 100, at 83 % confidence.

The score is ours, computed from intensity, exposed population and local history — not the source’s.

Computed under scoring rules v4. Rows carrying other versions were judged by different rules and are not directly comparable.

Event Data

TypeEarthquakes
SeverityLow
Calamity Score (ours)21 / 100
Our confidence83%
Coordinates37.7845, -122.2057
Nearest CityAlameda (5 km)
Population Exposed406.0K within 15 km
Impact Tierminor
Timestamp2026-09-10T02:52:23.850Z
Sourcehttps://earthquake.usgs.gov/earthquakes/eventpage/nc75432977

Score Breakdown

0
intensity
70
population
0
cascading
0
historical

Technical Details

Mag2.53
Depth10.33
Tsunamifalse
Felt59
Sig117
Usgs Dyfi Mag2.53
Usgs Dyfi Depth10.33
Usgs Dyfi Felt59
Usgs Dyfi Cdi3.1
Usgs Dyfi CdiDescriptionWeak
Usgs Dyfi Sig117
Usgs Dyfi Tsunamifalse
Usgs Dyfi Place2 km ESE of Oakland, CA
Usgs Dyfi Types,dyfi,focal-mechanism,nearby-cities,origin,phase-data,scitech-link,
MergedSources[{"id":"usgs_dyfi_nc75432977","source":"usgs_dyfi","severity":"low","severityValue":15.18,"timestamp":1789008743850,"latitude":37.7845001220703,"longitude":-122.205665588379}]

Safety Information

If you feel shaking: Drop, Cover, and Hold On. Move away from windows, heavy objects, and exterior walls. After shaking stops, check for injuries and structural damage. Be prepared for aftershocks, which can occur minutes to months after the mainshock. Follow instructions from local emergency management authorities.

Series begins 8 March 2026. Comparisons refer to that period only. Collection gap: 14-26 August 2026.

This data is aggregated algorithmically from scientific sources. Not a replacement for official emergency warnings.

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