Jeju uprising to Jeju from Busan and deploying police companies, each 1,700 strong, from the southern provinces of the mainland. The guerrillas retreated to their bases in the forests and caves around Hallasan, an extinct volcano and the highest mountain in South Korea. On April 29, the Korean, non-military, governor of Jeju province abandoned his post, defected, and joined the guerrillas. This caused many police officers, disillusioned by the atrocities they were ordered to commit against their own, to do the same. In response, U.S. military provincial governor William F. Dean ordered a purge of SKLP sympathizers from the ranks of the
Solimana (volcano) Lomas deposit was erupted between 1.56 and 1.26 million years ago. Solimana still features fumarolic activity within the caldera. Solimana (volcano) Solimana is a volcanic massif in the Andes of Peru, South America, that is approximately high. It is considered an extinct volcano that is part of the Central Volcanic Zone, one of the volcanic belts of the Andes. It features a caldera as well as traces of a sector collapse and subsequent erosion. The volcano is glaciated. It is situated in the Arequipa Region, Condesuyos Province, in the districts of Chichas and Salamanca, and in the La Unión Province,