Calamity
MediumEarthquakesCS: 16 · v1

Earthquakes 261 km SSE of Dunhuang, China

ChinaUSGS

Right now

The most recent data we hold from USGS arrived 18 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.

2 other detections within 20 km in the last 24 hours, the nearest 20 km from here.

Reported by USGS 91 days ago.

It is the 11th strongest of the 29 detections recorded within 20 km of this point since 16 June 2026. Another comparable one was recorded here earlier the same day. 7 more were recorded here in the fortnight before it.

What the source measured

USGS reported: 261 km SSE of Dunhuang, China

USGS recorded magnitude 5.0 at a depth of 10 km.

Nearby, since 16 June 2026

How we know

2 recorded sources include USGS; independence is not established by this count.

Our own score for this event is 16 out of 100.

This is our versioned heuristic index, not source severity or a calibrated probability. Urban PEI does not count unique people.

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

Event Data

TypeEarthquakes
SeverityMedium
Calamity Score (ours)16 / 100
Legacy data-support index0.65/1
Coordinates37.8819, 95.4313
Nearest CityGuōlèmùdé (170 km)
Urban exposure index (PEI)0 within 20 km
Impact Tierminor
Timestamp2026-06-16T11:14:17.721Z
Sourcehttps://earthquake.usgs.gov/earthquakes/eventpage/us7000stdb

Physical priority index · v1. Heuristic priority, not calibrated probability, predictive accuracy or damage. The legacy data-support index combines assigned source support and field availability. Urban PEI is distance-weighted and does not count unique people; zero does not establish that nobody is present. Model cards.

Source and revision timeline

Source: usgs. Occurrence: 2026-06-16T11:14:17.721Z.

First archived: 2026-06-16T23:14:13.838Z. Material modification: not recorded.

Retained revisions are prospective; earlier versions may be unavailable. No revision entry does not prove that a record never changed.

Score Breakdown

20
intensity
0
Urban PEI term
0
Scenario weight
80
Recorded reference / batch anomaly

Technical Details

Mag5
Depth10
Tsunamifalse
Sig385
Emsc Mag5
Emsc Depth10
Emsc MagTypemb
Emsc RegionNORTHERN QINGHAI, CHINA
Emsc AuthEMSC
Emsc SourceId2011830
MergedSources[{"id":"emsc_20260616_0000329","source":"emsc","severity":"medium","severityValue":40,"timestamp":1781608457890,"latitude":37.9113,"longitude":95.5222}]

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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