Calamity
LowEarthquakesCalamity Score: 15

Earthquakes 48 km SW of Santiago de Cao, Peru

PeruUSGS

Right now

The most recent data we hold from USGS arrived 45 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.

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

Reported by USGS 100 days ago.

It is one of only 3 we have recorded within 20 km of this point since 23 May 2026. Another comparable one was recorded here earlier the same day. 2 more were recorded here in the fortnight before it.

What the source measured

USGS reported: 48 km SW of Santiago de Cao, Peru

USGS recorded magnitude 4.9 at a depth of 79 km.

Nearby, since 23 May 2026

How we know

Confirmed by 2 independent sources, including USGS.

Our own score for this event is 15 out of 100, at 64 % confidence.

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

Computed under scoring rules v1. Rows carrying other versions were judged by different rules and are not directly comparable.

Event Data

TypeEarthquakes
SeverityLow
Calamity Score (ours)15 / 100
Our confidence64%
Coordinates-8.2783, -79.5350
Timestamp2026-06-04T09:00:09.987Z
Sourcehttps://earthquake.usgs.gov/earthquakes/eventpage/us7000sqi3

Score Breakdown

18
intensity
0
population
0
cascading
80
historical

Technical Details

Mag4.9
Depth78.78
Tsunamifalse
Sig369
Emsc Mag4.9
Emsc Depth48
Emsc MagTypemb
Emsc RegionNEAR COAST OF NORTHERN PERU
Emsc AuthEMSC
Emsc SourceId2005247
MergedSources[{"id":"emsc_20260604_0000132","source":"emsc","severity":"low","severityValue":29.400000000000002,"timestamp":1780563607880,"latitude":-8.2557,"longitude":-79.5477}]

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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