Browse Items (235 total)

Photograph of 1971-72 lava dome growing in the crater lake of La Soufriére St Vincent.

Seismographs recording tremors and one felt tremor on western flank. Helicopter to install instrumentation
Second page: Telegram 136 from Mitchell to FCO conveying findings presented in report.

Experienced volcanologist needed to interpret data, tension RE Tomblin.

Summary of activity since 1st November, offers of aid from governments and charities

activity continues at same rate report of warm water in rivers on Leeward side incorrect no evidence of imminent violent explosive activity

origin of newly erupting magma - 1902, tremors related to rockfalls detected previous IR data re-examined, no longer implies high hazard.

summary of volcanic activity, earthquakes and status of crater lake 1-30th November 1971

Equipment left behind, comments on infra-red data and resulting alarm

Evacuation decsion reasons American advice state of evacuated populations Cato motivations US reccomendations and confidence in Tomblin

Stating need for funds for more seismometers