Volcanic

Volcanic activity at the montserrat soufriere hills volcano poses significant hazards to shipping within two…

NAVAREA IV 4/98

issued: 1998-01-05 23:40Z
status: cancelled 1999-08-27 09:05Z (archive)
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

VOLCANIC ACTIVITY AT THE MONTSERRAT SOUFRIERE HILLS VOLCANO
POSES SIGNIFICANT HAZARDS TO SHIPPING WITHIN TWO MILES OF
THE SOUTHERN AND WESTERN COASTS OF MONTSERRAT DUE TO THE
POTENTIAL THREAT OF THE SURGES GENERATED BY PYROCLASTIC FLOWS
FROM THE VOLCANO.

Timeline

NAVAREA IV messages in force 270800Z aug 1999cancelled by · 1999-08-27

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

12 volcanic activity in force · see all

Volcanic

Submarine eruptions, discoloured water, pumice rafts. All current volcanic activity →

Not for navigation. This is a re-rendering of an official navigational warning for awareness; mariners must use official NAVAREA broadcasts and their national MSI service.