RiskEvents
ClosedLow impactAI Generated

M5.6 Earthquake Strikes Indonesia at 31km Depth

Occurred 25 May 2026·Detected 25 May 2026·
🇮🇩 Indonesia (precise region not specified)1 reportEnded 29 May 2026
Natural CatastropheProperty

A magnitude 5.6 earthquake occurred in Indonesia on 25 May 2026 at a depth of 31km, receiving a GDACS Green alert level. Only approximately 3,000 people are estimated within the MMI IV shaking zone, indicating minor to light shaking with no structural damage expected. There is no concrete London Market loss pathway identified from this event.

AI-generated from linked source reports. See our correction policy.

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Impact verdict

Low impact. GDACS Green alert with only ~3,000 people in MMI IV shaking zone indicates light shaking with negligible structural damage potential. No named commercial, industrial, or insured assets identified as affected. No loss estimates, port disruptions, energy infrastructure damage, or other London Market loss pathways present. Below commercial materiality threshold for any specialty insurance book.

View assessment methodology

How we grade what we know -- Known · Reported · Uncertain. Methodology →

Intelligence ledger

Each line expands in place to its underlying sourced claim.

Known5 lines

Magnitude 5.6 earthquake occurred at 20:39 UTC on 25 May 2026▾
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Depth: 31.057km▾
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Location: Indonesia▾
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GDACS alert level: Green▾
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Approximately 3,000 people estimated within MMI IV intensity zone▾
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Reported1 line

MMI IV shaking level indicates light shaking, felt by many but causing little to no structural damage▾
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Uncertain3 lines

Precise epicentre location within Indonesia (island/region not specified)▾
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Any infrastructure or property damage▾
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Whether any commercial or industrial assets are affected▾
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No separate sourced-claim record is available for this line yet.

Geographic Zone Matches

2 active matches

  • Pacific Ring of Fire
    Rule-basedConfidence 100%
  • High Piracy Risk - Strait of Malacca
    Rule-basedConfidence 100%

Geographic zone matches are RiskEvents spatial/analytical indicators, not coverage determinations or Lloyd's official classifications.

Affected countries

🇮🇩 Indonesia

Timeline

Status Change2 Jun 2026, 13:05

Lifecycle changed

monitoring → closed

Closure2 Jun 2026, 13:05

Event Closed

auto_closed_monitoring_timeout

Status Change29 May 2026, 05:30

Status changed to monitoring

Auto-transitioned: no updates for 6 hours

active → monitoring

Status Change28 May 2026, 22:36

Status changed to active

remediation: existing authoritative signal

signal → active

Initial Detection25 May 2026, 21:34

Initial Detection

A magnitude 5.6 earthquake occurred in Indonesia on 25 May 2026 at a depth of 31km, receiving a GDACS Green alert level. Only approximately 3,000 people are estimated within the MMI IV shaking zone, indicating minor to light shaking with no structural damage expected. There is no concrete London Market loss pathway identified from this event.

an earthquake occurred in Indonesia potentially affecting 3 thousand in MMI IV. The earthquake had Magnitude 5.6M, Depth:31.057km.. Alert level: Green.

Source: GDACS Alerts (Official Advisory) · View source

Lloyd's classifications

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