Ritter Island
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Ritter Island is a small crescent-shaped volcanic island Script error: No such module "convert". north-east of New Guinea, situated between Umboi Island and Sakar Island.
There are several recorded eruptions of this basaltic-andesitic stratovolcano prior to a spectacular lateral collapse which took place in 1888. Before that event, it was a circular conical island about Script error: No such module "convert". high.[1]
1888 eruption
Script error: No such module "Labelled list hatnote". At about 5:30 am local time on 13 March 1888 a large portion of the island, containing perhaps Script error: No such module "convert". of material slid into the sea during a relatively minor, possibly VEI 2,[2] phreatic eruption. Eyewitnesses at Finschhafen, Script error: No such module "convert". to the south, heard explosions and observed an almost imperceptible ash fall.[3] Tsunamis Script error: No such module "convert". high were generated by the collapse and devastated nearby islands and the adjacent New Guinea coast killing around 3,000 people.[4]
The collapse left a Script error: No such module "convert". high, Script error: No such module "convert". long crescent-shaped island with a steep west-facing escarpment. At least two small eruptions have occurred offshore since 1888, one in 1972 and another in 1974, which have resulted in the construction of a small submarine edifice within the collapse scar.[3]
See also
References
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- ↑ Template:Cite gvp
- ↑ Template:Cite gvp
- ↑ a b Script error: No such module "Citation/CS1".
- ↑ Ritter Island at Volcano World
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