ClosedLow impactAI Generated

M 6.6 Earthquake - Southern East Pacific Rise

Occurred 20 May 2026·Detected 20 May 2026·
🇮🇳 Southern East Pacific Rise, remote South Pacific Ocean1 reportEnded 29 May 2026
Natural CatastrophePropertyMarine CargoEnergyCasualty & LiabilityReinsurance

A magnitude 6.6 earthquake occurred on the southern East Pacific Rise at a shallow depth of 10 km. The event received a green alert level with no tsunami warning issued. No felt reports were recorded, consistent with the remote oceanic location of the epicenter. Insurance impact is expected to be minimal given the absence of nearby populated areas or infrastructure.

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

Impact verdict

Low impact. The earthquake occurred in a remote mid-ocean ridge location with no felt reports and a green alert level. No tsunami was generated and no populated areas or known infrastructure are in proximity.

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.

Known6 lines

Magnitude 6.6 earthquake recorded on the southern East Pacific Rise
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Depth: 10 km (shallow)
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Alert level: green
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No tsunami warning issued
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Zero felt reports recorded
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Significance score: 670
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Uncertain2 lines

Exact epicenter coordinates not provided in source
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No assessment of any submarine infrastructure (cables, pipelines) in the vicinity
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No separate sourced-claim record is available for this line yet.

Affected countries

🇮🇳 International Waters

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 Detection20 May 2026, 18:34

Initial Detection

A magnitude 6.6 earthquake occurred on the southern East Pacific Rise at a shallow depth of 10 km. The event received a green alert level with no tsunami warning issued. No felt reports were recorded, consistent with the remote oceanic location of the epicenter. Insurance impact is expected to be minimal given the absence of nearby populated areas or infrastructure.

Magnitude 6.6 earthquake. Location: southern East Pacific Rise. Depth: 10 km. Alert level: green. Tsunami warning: no. Felt reports: 0. Significance: 670

Source: USGS Earthquakes M4+ (Official Advisory) · View source

Lloyd's classifications

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