Data from the Global Volcanism Program of the Smithsonian Institution
Details for: Coatepeque Caldera
The 7 x 10 km Coatepeque caldera forms a dramatic vista from the summit of Santa Ana volcano. The caldera was formed by collapse of a group of stratovolcanoes immediately east of Santa Ana volcano during a series of major explosive eruptions between about 70,000 and 57,000 years ago. Post-caldera eruptions included the formation of basaltic cinder cones and lava flows near the western margin of the caldera and the extrusion of rhyodacitic lava domes, including Cerro la Isla, the island at the W side of the caldera lake. Photo by Lee Siebert, 2002 (Smithsonian Institution).
Volcano Number:343041
Volcano Name:Coatepeque Caldera
Country:El Salvador
Volcano Type:Caldera
Elevation:746m
Tectonic Setting:Subduction zone / Continental crust (> 25 km)
Pop. within 5km:616730
Pop. within 10km:616730
Pop. within 30km:1210307
Pop. within 100km:6486011
Latitude:13.87
Longitude:-89.55



Eruption Data from the Global Volcanism Program of the Smithsonian Institution No eruption data found for this volcano.
Emissions Data from the Global Volcanism Program of the Smithsonian Institution No emissions data found for this volcano.


Data from the Earthchem Portal


Data from the SESAR Database


Data from the MaGa Database
Location: Coatepeque lake (View Details at MaGa DB)
Description: Lake Coatepeque is a large crater lake in the east part of the Coatepeque Caldera, El Salvador (Central America). The caldera was formed during a series of major rhyolitic explosive eruptions between about 72,000 and 57,000 years ago.
Hazard Description: not reported
Type: lake
Region: Santa Ana Department, El Salvador
Country: El Salvador
Volcanic Complex: Coatepeque caldera
Gas Flux Data:
Measurement Name Detail Specie Flux Std. Dev. Unit of Measure
Coatepeque_01012006 Detail CO2 375 0 Mg/d