Reported by CSN CHILE today.
It is the 2nd strongest of the 13 detections recorded within 20 km of this point since 27 May 2026. The last comparable one was on 28 August 2026.
What the source measured
CSN CHILE reported: 36 km WSW of Ollagüe, Chile
CSN CHILE recorded magnitude 4.5 at a depth of 131 km.
Nearby, since 27 May 2026
- May 27, 2026 · score 4 · 9.5 km
- June 16, 2026 · score 2 · 12.0 km
- August 1, 2026 · score 4 · 12.1 km
How we know
Confirmed by 2 independent sources, including CSN CHILE.
Our own score for this event is 5 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 v4. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Earthquakes |
| Severity | Low |
| Calamity Score (ours) | 5 / 100 |
| Our confidence | 67% |
| Coordinates | -21.3768, -68.5636 |
| Nearest City | Calama (126 km) |
| Impact Tier | minor |
| Timestamp | 2026-09-04T06:48:06.994Z |
| Source | https://earthquake.usgs.gov/earthquakes/eventpage/us7000te8p |
Score Breakdown
Technical Details
| Mag | 4.5 |
| Depth | 130.65 |
| Place | 36 km WSW of Ollagüe, Chile |
| UsgsId | us7000te8p |
| FromUSGSFallback | true |
| Usgs Mag | 4.5 |
| Usgs Depth | 130.65 |
| Usgs Tsunami | false |
| Usgs Sig | 312 |
| Emsc Mag | 4.5 |
| Emsc Depth | -130 |
| Emsc MagType | mb |
| Emsc Region | ANTOFAGASTA, CHILE |
| Emsc Auth | EMSC |
| Emsc SourceId | 2055594 |
| MergedSources | [{"id":"usgs_us7000te8p","source":"usgs","severity":"low","severityValue":27,"timestamp":1788504486994,"latitude":-21.3768,"longitude":-68.5636},{"id":"emsc_20260904_0000080","source":"emsc","severity":"low","severityValue":27,"timestamp":1788504486820,"latitude":-21.2792,"longitude":-68.6992}] |
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 5/100, 36 km WSW of Ollagüe, Chile (Chile), based on data from csn_chile. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.