🇻🇨Country
La Soufrière’s 2021 dome, petroglyphs and Horseshoe Reef
According to a 2022 study, La Soufrière’s new dome measured 912 × 243 × 105 m on 19 March 2021. April explosions later destroyed it and substantial portions of the dome formed in 1979. The island group also has coastal petroglyphs and a reef enclosing four Tobago Cays.
At a glance
A place worth remembering
A heat signal and discovery of a new dome
NASA FIRMS detected a thermal anomaly in the summit crater on 27 December 2020. Two days later, Soufrière Monitoring Unit staff found a new dome beside the 1979 dome. The 2022 paper gives its 19 March 2021 dimensions as 912 × 243 × 105 m. Satellite images dated 10 April confirmed explosive destruction of the new dome, together with substantial portions of its 1979 predecessor.[1]
Buccament and Layou: two rock-art records
The 2012 Tentative List entry describes Buccament’s shelter wall as bearing two long rows of abstract engravings; the deeper set appears to overlie the shallower one. A separate National Parks Authority account places Layou’s carvings on a single large boulder, dates them only tentatively to the Saladoid (Arawak) settlement period (about 300–600 CE), and says their meaning is uncertain.[2][3]
Horseshoe Reef and its four cays
The park’s page places Petit Bateau, Petit Rameau, Baradal and Jamesby inside Horseshoe Reef. Petit Tabac is the fifth cay, just east of the reef. The same page gives the reef’s length as 4 km.[4]
Good to know
A few clear answers before you explore.
Was the dome’s roughly 18 million m³ volume measured directly?
No. The 2022 paper treats about 18 million m³ as an extrapolation through 9 April 2021. It estimates cumulative volume at about 13 million m³ by 19 March, when the dome’s dimensions were 912 × 243 × 105 m.[1]
What does the 2012 Tentative List entry say about Buccament?
The state-submitted entry describes two long rows of abstract motifs on a shelter’s back wall. One set appears superimposed on the shallower one; the entry says a possible prototype-writing interpretation needs further research.[2]
Which Tobago Cays are inside Horseshoe Reef?
The park lists Petit Bateau, Petit Rameau, Baradal and Jamesby inside the reef. Petit Tabac lies just outside it to the east; the page gives Horseshoe Reef’s length as 4 km.[4]
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