Calamity
MediumEarthquakesCS: 11 · v4 (historical)

Earthquakes in South Island

New ZealandISC

Right now

The most recent data we hold from ISC arrived 13 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 ISC 13 days ago.

It is the 4th strongest of the 17 detections recorded within 20 km of this point since 2 September 2026.

What the source measured

ISC reported: South Island

ISC recorded magnitude 5.2 at a depth of 10 km.

The seismic region given by the source is South Island.

Nearby, since 2 September 2026

How we know

One source: ISC. Not yet confirmed by a second, independent source.

Our own score for this event is 11 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 v4. Rows carrying other versions were judged by different rules and are not directly comparable.

Event Data

TypeEarthquakes
SeverityMedium
Calamity Score (ours)11 / 100
Legacy data-support index0.57/1
Coordinates-44.4520, 168.3990
Nearest CityInvercargill (217 km)
Urban exposure index (PEI)0 within 70 km
Impact Tierminor
Timestamp2026-09-02T04:13:34.620Z
Sourcehttp://www.isc.ac.uk/cgi-bin/web-db-run?event_id=646288137&out_format=IMS1.0&request=COMPREHENSIVE

Physical priority index · v4 (historical). 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: isc. Occurrence: 2026-09-02T04:13:34.620Z.

First archived: 2026-09-02T09:42:45.776Z. 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

24
intensity
0
Urban PEI term
0
Scenario weight
12
Recorded reference / batch anomaly

Technical Details

Mag5.2
Depth10
MagTypeMw
RegionSouth Island

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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