Riobamba years later away from its original location (near a village named Cajabamba on the plains of San Antonio de Aguíscate). The city still retains much architecture from the Spanish period. In the Ecuadorian War of Independence Riobamba first declared independence on November 11, 1820 but was soon retaken. The city finally became part of an independent Gran Colombia in 1822, and then a separate Republic of Ecuador in 1830. On 20 November 2002, 7 people were killed and hundreds wounded when an explosion in the munitions depot at the Galapagos Brigade arsenal in Riobamba set off a series of blasts.
Volcanoes of the Galápagos Islands 1124 m. It coalesces with the volcanoes Cerro Azul to the west and Alcedo to the north. The volcano is one of the most active in the Galapagos, with the last eruption starting on 22 October 2005, and lasting until 30 October 2005. Alcedo Volcano is one of the six coalescing shield volcanoes that make up Isabela Island. Alcedo, like the other volcanoes in the Galapagos, has been formed as part of the Galapagos hotspot, which is a mantle plume resulting in a hotspot. The volcano is not directly on the hotspot, which is believed to be under the neighbouring