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World of TethysFault Lines / II

Indonesia / Sunda Strait

Real places. Real help.

Official information for residents and visitors around Anak Krakatau, the coasts of Banten, and Lampung Selatan.

PVMBG / MAGMA Indonesia

Volcanic activity

PVMBG / MAGMA Indonesia publishes volcano activity levels and recommendations. Find Anak Krakatau and follow the latest official guidance.

Activity levels Activity reports

BMKG / InaTEWS

Tsunami information

BMKG / InaTEWS provides official tsunami information. Follow warnings and evacuation directions from the authorities where you are.

Open BMKG / InaTEWS

Local disaster agencies

Choose the coast you are visiting. This changes the agency link; it does not assess your risk or detect your location.

Use the official sources directly for changing conditions. If you need urgent help, contact emergency services or local officials; this author website does not receive emergency reports.

Resource links checked 21 September 2026. This date is not a volcano or tsunami bulletin timestamp.