Calamity
HighEarthquakesCS: 39 · v5

Earthquakes 49 km NNE of Kainantu, Papua New Guinea

Papua New GuineaUSGS

Right now

The most recent data we hold from USGS arrived 22 minutes ago, and this point is in it.

6 other detections within 20 km in the last 24 hours, the nearest <1 km from here.

Reported by USGS today.

No stronger detection stands among the 7 recorded within 20 km of this point since 20 September 2026 — 3 others scored the same. Another comparable one was recorded here earlier the same day. 3 more were recorded here in the fortnight before it.

What the source measured

USGS reported: 49 km NNE of Kainantu, Papua New Guinea

USGS recorded magnitude 6.4 at a depth of 104 km.

Urban PEI: 26,055 within a heuristic 150 km radius; not unique people.

Nearby, since 20 September 2026

How we know

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

Our own score for this event is 39 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

TypeEarthquakes
SeverityHigh
Calamity Score (ours)39 / 100
Legacy data-support index0.92/1
Coordinates-5.9021, 146.0922
Nearest CityGoroka (80 km)
Urban exposure index (PEI)26.1K within 150 km
Impact Tiersignificant
Timestamp2026-09-20T09:17:35.624Z
Sourcehttps://earthquake.usgs.gov/earthquakes/eventpage/us7000tiqc

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: usgs. Occurrence: 2026-09-20T09:17:35.624Z.

First archived: 2026-09-20T09:40:42.755Z. Material modification: 2026-09-20T10:13:09.137Z.

Retained revisions are prospective; earlier versions may be unavailable. No revision entry does not prove that a record never changed.

  1. 2026-09-20T18:22:13.728Z · data_change

    Index 3939; severity highhigh; version 55.

  2. 2026-09-20T14:46:16.863Z · data_change

    Index 3939; severity highhigh; version 55.

  3. 2026-09-20T14:40:55.778Z · data_change

    Index 3939; severity highhigh; version 55.

  4. 2026-09-20T14:35:33.270Z · data_change

    Index 3939; severity highhigh; version 55.

  5. 2026-09-20T14:24:44.677Z · data_change

    Index 3939; severity highhigh; version 55.

  6. 2026-09-20T14:03:17.782Z · data_change

    Index 3939; severity highhigh; version 55.

  7. 2026-09-20T13:47:12.621Z · data_change

    Index 3939; severity highhigh; version 55.

  8. 2026-09-20T13:15:06.419Z · data_change

    Index 3939; severity highhigh; version 55.

  9. 2026-09-20T13:04:22.015Z · data_change

    Index 3939; severity highhigh; version 55.

  10. 2026-09-20T12:59:00.804Z · data_change

    Index 3939; severity highhigh; version 55.

  11. 2026-09-20T12:42:59.751Z · data_change

    Index 3939; severity highhigh; version 55.

  12. 2026-09-20T12:21:38.675Z · data_change

    Index 3939; severity highhigh; version 55.

  13. 2026-09-20T11:44:15.763Z · data_change

    Index 3939; severity highhigh; version 55.

  14. 2026-09-20T11:28:12.540Z · data_change

    Index 3939; severity highhigh; version 55.

  15. 2026-09-20T11:22:51.267Z · data_change

    Index 3939; severity highhigh; version 55.

  16. 2026-09-20T11:12:08.264Z · data_change

    Index 3939; severity highhigh; version 55.

  17. 2026-09-20T11:01:25.553Z · data_change

    Index 3939; severity highhigh; version 55.

  18. 2026-09-20T10:50:44.883Z · data_change

    Index 3939; severity highhigh; version 55.

  19. 2026-09-20T10:39:55.777Z · data_change

    Index 3939; severity highhigh; version 55.

  20. 2026-09-20T10:23:50.877Z · data_change

    Index 3939; severity highhigh; version 55.

Score Breakdown

48
intensity
40
Urban PEI term
0
Scenario weight
80
Recorded reference / batch anomaly

Technical Details

Mag6.4
Depth104.33
Tsunamifalse
Felt28
Mmi5.36
Alertgreen
Sig646
Emsc Mag6.4
Emsc Depth104.3
Emsc MagTypemw
Emsc RegionEASTERN NEW GUINEA REG., P.N.G.
Emsc AuthNEIC
Emsc SourceId2062860
Ingv Mag6.4
Ingv Depth105.5
Ingv MagTypeMwp
Ingv AuthorSURVEY-INGV-A
Ingv RegionPapua New Guinea [Land]
Usgs Dyfi Mag6.4
Usgs Dyfi Depth104.33

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.

Follow this area

Review the area, threshold and delivery channel in your account.

Want to know when something happens in this area?

Share:XLinkedIn