Calamity
LowEarthquakesCS: 3 · v1

Earthquakes 23 km SW of Owhiro Bay, New Zealand

New ZealandUSGS

Right now

The most recent data we hold from USGS arrived 12 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 USGS 125 days ago.

It is one of only 3 we have recorded within 20 km of this point since 12 May 2026.

What the source measured

USGS reported: 23 km SW of Owhiro Bay, New Zealand

USGS recorded magnitude 4.3 at a depth of 25 km.

Nearby, since 12 May 2026

How we know

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

Our own score for this event is 3 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
SeverityLow
Calamity Score (ours)3 / 100
Legacy data-support index0.65/1
Coordinates-41.4903, 174.5627
Timestamp2026-05-12T09:02:57.723Z
Sourcehttps://earthquake.usgs.gov/earthquakes/eventpage/us6000sx3w

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: 2026-05-12T09:02:57.723Z.

First archived: 2026-05-12T21:02:29.421Z. 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

6
intensity
0
Urban PEI term
0
Scenario weight
3
Recorded reference / batch anomaly

Technical Details

Mag4.3
Depth24.83
Tsunamifalse
Felt1
Sig285
Emsc Mag4
Emsc Depth21
Emsc MagTypemb
Emsc RegionCOOK STRAIT, NEW ZEALAND
Emsc AuthEMSC
Emsc SourceId1993686
MergedSources[{"id":"emsc_20260512_0000137","source":"emsc","severity":"low","severityValue":24,"timestamp":1778576577260,"latitude":-41.377,"longitude":174.4993}]

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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