Off-Nadir Delta

Mount Anak Krakatau Eruption

Titles and summaries are AI-extracted from news reporting; every source is linked below. Event id 1321626417.

Where
Sunda Strait, IndonesiaSomewhere in Sunda Strait, Indonesia — the exact site is unknown. The coordinate is an area centre, not the event site.
When
Occurred 2026-09-04basis: stated_in_articleFirst reported 2026-09-05 · last update 2026-09-10
Sourcing
12 articles13 outlets carrying it · independence not establishedverification: independently_confirmed
Satellite observability
observableRadar coverage

What imagery could confirm

  • lava ~10m at Sunda Strait, Indonesia

What remains unresolved

  • coordinate_not_search_ready
  • generic_region_coordinate
  • quality_not_passed
  • geo_not_ready
  • collection_plan_incomplete

Timeline

  • 2026-09-05new_eventA new event has been reported.
  • 2026-09-05corroboration_increasedThis event is now carried by independent sources, not one.
  • 2026-09-05severity_escalatedAssessed severity rose from 6 to 7.
  • 2026-09-05attribution_changedAttribution changed from Indonesian authorities to PVMBG.
  • 2026-09-05corroboration_increasedIndependent sources rose from 2 to 3.
  • 2026-09-05severity_escalatedAssessed severity rose from 7 to 9.
  • 2026-09-06corroboration_increasedIndependent sources rose from 3 to 4.
  • 2026-09-06corroboration_increasedIndependent sources rose from 4 to 5.
  • 2026-09-06corroboration_increasedIndependent sources rose from 5 to 6.
  • 2026-09-06corroboration_increasedIndependent sources rose from 6 to 7.
  • 2026-09-07attribution_changedAttribution changed from PVMBG to IDN.
  • 2026-09-07corroboration_increasedIndependent sources rose from 7 to 8.
  • 2026-09-08corroboration_increasedIndependent sources rose from 8 to 9.
  • 2026-09-10attribution_changedAttribution changed from IDN to PVMBG.
  • 2026-09-10corroboration_increasedIndependent sources rose from 9 to 10.
  • 2026-09-13attribution_statedThis event is now attributed to Indonesian authorities.
  • 2026-09-15attribution_changedAttribution changed from Indonesian authorities to IDN.
  • 2026-09-16attribution_changedAttribution changed from IDN to Indonesian authorities.
  • 2026-09-19corroboration_increasedIndependent sources rose from 10 to 13.

Related events

At Sunda Strait (water body)

  • Eruption of Anak Krakatau volcanoReads as another report of the same occurrence — the wording matches this event 87%, at the same point, 1 day apart. It was filed as a separate event, so the two were never grouped. · 2026-09-06
  • Mount Anak Krakatau Volcano EruptionReads as another report of the same occurrence — the wording matches this event 89%, at the same point, 1 day apart. It was filed as a separate event, so the two were never grouped. · 2026-09-04
  • Anak Krakatau eruptionGrouped into the same event cluster — a separate report of the same occurrence, not a separate event. · 2026-09-06
  • Mount Anak Krakatau continues erupting, Indonesia urges vigilanceGrouped into the same event cluster — a separate report of the same occurrence, not a separate event. · 2026-09-05
  • Mt. Anak Krakatau EruptionGrouped into the same event cluster — a separate report of the same occurrence, not a separate event. · 2026-09-05
  • MaritimeBoth name Anak Krakatau. On this event the actor was read from its headline, not from a structured actor field — a weaker basis than a named actor on both sides. · 2026-09-19
  • Indonesia volcano eruptionBoth name Anak Krakatau. On this event the actor was read from its headline, not from a structured actor field — a weaker basis than a named actor on both sides. · 2026-09-08
  • Anak Krakatau Volcano EruptionBoth reports name Sunda Strait (water body). A shared dependency on one corridor — it does not connect the two events to each other. · 2026-09-08
  • Anak Krakatau volcanic eruptionBoth reports name Sunda Strait (water body). A shared dependency on one corridor — it does not connect the two events to each other. · 2026-09-07
  • Indonesian volcano eruptionBoth reports name Sunda Strait (water body). A shared dependency on one corridor — it does not connect the two events to each other. · 2026-09-07

Reproduce over the API (free endpoint)

bash
curl "https://offnadir-delta.com/api/v1/events/1321626417/thread" \
  -H "Authorization: Bearer ond_YOUR_API_KEY"

For situational awareness only — not for tracking or targeting individuals. Every claim above links to its reporting; satellite fields are the same values the API serves.