Reported by USGS 79 days ago.
It is the 23rd strongest of the 24 detections recorded within 20 km of this point since 16 June 2026. Another comparable one was recorded here earlier the same day. 10 more were recorded here in the fortnight before it.
What the source measured
USGS reported: 259 km SSE of Dunhuang, China
USGS recorded magnitude 4.2 at a depth of 10 km.
Nearby, since 16 June 2026
- June 16, 2026 · score 8 · 3.7 km
- June 16, 2026 · score 15 · 5.1 km
- June 30, 2026 · score 18 · 6.0 km
How we know
Confirmed by 2 independent sources, including USGS.
Our own score for this event is 2 out of 100, at 67 % 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
| Type | Earthquakes |
| Severity | Low |
| Calamity Score (ours) | 2 / 100 |
| Our confidence | 67% |
| Coordinates | 37.8825, 95.3387 |
| Timestamp | 2026-06-16T21:52:45.589Z |
| Source | https://earthquake.usgs.gov/earthquakes/eventpage/us7000stia |
Score Breakdown
Technical Details
| Mag | 4.2 |
| Depth | 10 |
| Tsunami | false |
| Sig | 271 |
| Emsc Mag | 4.2 |
| Emsc Depth | -10 |
| Emsc MagType | mb |
| Emsc Region | NORTHERN QINGHAI, CHINA |
| Emsc Auth | NEIC |
| Emsc SourceId | 2012232 |
| MergedSources | [{"id":"emsc_20260616_0000636","source":"emsc","severity":"low","severityValue":25.200000000000003,"timestamp":1781646765589,"latitude":37.8825,"longitude":95.3387}] |
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.
Want to know when something happens in this area?
Calamity.live data shows a earthquake event with CalamityScore 2/100, 259 km SSE of Dunhuang, China (China), based on data from usgs. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.