6 September 2026
Executive Summary
The eruption of Indonesia’s Anak Krakatau volcano has disrupted aviation across Jakarta and surrounding areas after volcanic ash spread into heavily used commercial airspace.
Indonesia temporarily suspended operations at Soekarno-Hatta International Airport after ash was detected in the airport environment.
At least 209 flights and approximately 22,800 passengers were affected.
International services involving destinations including:
- Singapore.
- Hong Kong.
- Sydney.
- Amsterdam.
- Seoul.
- Doha.
- Kuala Lumpur.
were among those disrupted.
Additional Indonesian airports were also temporarily affected as the ash cloud spread.
The eruption generated ash plumes reaching as high as approximately 50,000 feet.
Local maritime authorities have also advised vessels passing through the Sunda Strait to exercise increased caution and remain outside the exclusion zone around the volcano.
There is currently no immediate tsunami warning associated with the eruption.
For businesses, the principal issue is therefore aviation and transport disruption rather than a repeat of the 2018 tsunami event.
UK Impact
UK businesses may experience disruption through:
- Airfreight delays.
- Passenger travel disruption.
- Missed connections.
- Express-cargo delays.
- Pharmaceutical shipments.
- Electronics shipments.
- Perishable cargo.
- Crew positioning.
- Maintenance parts.
- Business travel.
Jakarta is a major regional aviation hub.
Temporary closure can therefore affect cargo that never originated in Indonesia but was scheduled to transit through the airport.
Time-sensitive industries should pay particular attention.
These include:
- Pharmaceuticals.
- Electronics.
- Aerospace.
- Automotive.
- Fresh food.
- High-value manufacturing.
The commercial risk is amplified where supply chains rely upon airfreight specifically because existing inventory is already low.
Global Impact
Volcanic ash presents a severe aviation hazard because it can damage aircraft engines and critical systems.
Airports may therefore suspend operations even where the airport itself is physically undamaged.
This creates an unusual business-interruption scenario.
The infrastructure exists.
Employees may be available.
Cargo may be ready.
But aircraft cannot safely operate through the affected airspace.
Disruption can also persist after an eruption subsides because airlines must reposition aircraft and crews and clear accumulated passengers and freight.
The logistics consequences can therefore continue beyond the immediate closure.
Our View
Businesses dependent upon Southeast Asian airfreight should identify route-level alternatives now.
Companies should ask:
- Is cargo routed through Jakarta?
- Can it move through Singapore?
- Can it move through Kuala Lumpur?
- Can it move through Bangkok?
- Is another Indonesian airport viable?
- Is sea freight possible for non-critical goods?
- How much additional transit time would that create?
- Are temperature-controlled goods affected?
- Could delays compromise shelf life?
- Who carries storage costs?
- Does cargo insurance cover volcanic ash damage?
- Does business-interruption cover require physical damage?
- Are key staff travelling through affected hubs?
- Are alternative travel routes available?
- Can urgent parts be sourced locally instead?
The lesson is straightforward.
Airspace can become unavailable even when the airport itself remains intact.
Businesses should therefore treat route redundancy as seriously as facility redundancy.
Risk Indicator: HIGH – AVIATION, VOLCANIC ASH & SUPPLY CHAIN
Does This Risk Affect Your Business?
Invictus Risk Solutions helps businesses find practical solutions to insurance, risk and commercial challenges.
From individual businesses to major international organisations, risk is our business.
TALK TO INVICTUS →Disclaimer
The information contained within these Market Alerts is provided for general market awareness and informational purposes only. It does not constitute financial, legal, investment, regulatory or insurance advice. Whilst every effort has been made to ensure accuracy at the time of publication using multiple reputable and independently verified sources, geopolitical events, legislation, regulation and market conditions may change rapidly. Readers should obtain appropriate professional advice before acting upon any information contained herein.
Invictus Risk Solutions LLP – Helping organisations stay ahead of emerging risks through informed insight and independent analysis.