Right now
The most recent data we hold from EMSC arrived 44 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 18 km from here.
Reported by EMSC today.
It is the strongest of the 5 detections recorded within 20 km of this point since 3 June 2026. The last comparable one was on 24 September 2026. 2 more were recorded here in the fortnight before it.
What the source measured
EMSC reported: OFFSHORE O'HIGGINS, CHILE
EMSC recorded magnitude 5.3 at a depth of 19 km.
The seismic region given by the source is OFFSHORE O'HIGGINS, CHILE.
Urban PEI: 18,958 within a heuristic 70 km radius; not unique people.
Nearby, since 3 June 2026
- June 3, 2026 · 22.2 km
- September 24, 2026 · score 3 · 25.8 km
- June 3, 2026 · 26.2 km
How we know
2 recorded sources include EMSC; independence is not established by this count.
Our own score for this event is 30 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 v5. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Earthquakes |
| Severity | Medium |
| Calamity Score (ours) | 30 / 100 |
| Legacy data-support index | 0.89/1 |
| Coordinates | -34.0042, -71.9216 |
| Nearest City | San Antonio (54 km) |
| Urban exposure index (PEI) | 19.0K within 70 km |
| Impact Tier | significant |
| Timestamp | 2026-09-25T15:29:08.400Z |
| Source | https://www.seismicportal.eu/eventdetail.html?unid=20260925_0000199 |
Physical priority index · v5. 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: emsc. Occurrence: 2026-09-25T15:29:08.400Z.
First archived: 2026-09-25T15:35:02.051Z. Material modification: 2026-09-25T15:45:51.162Z.
Retained revisions are prospective; earlier versions may be unavailable. No revision entry does not prove that a record never changed.
2026-09-25T15:45:51.162Z · data_change
Index 30 → 30; severity medium → medium; version 5 → 5.
2026-09-25T15:40:31.741Z · data_change
Index 26 → 30; severity medium → medium; version 5 → 5.
Score Breakdown
Technical Details
| Mag | 5.3 |
| Depth | 19 |
| MagType | mb |
| Region | OFFSHORE O'HIGGINS, CHILE |
| Auth | EMSC |
| SourceId | 2065428 |
| Gfz Mag | 5.35 |
| Gfz Depth | 25.6 |
| Gfz MagType | mb |
| Gfz Region | Near Coast of Central Chile |
| MergedSources | [{"id":"gfz_gfz2026suzz","source":"gfz","severity":"medium","severityValue":42.8,"timestamp":1790350149240,"latitude":-34.046,"longitude":-72.053}] |
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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