EarthChem Home
Decade Home
About EarthChem
Overview
News
About DECADE
Help
Login
Data from the Global Volcanism Program of the Smithsonian Institution
Details for: Chichon, El
The new 1-km-wide El Chichón crater is seen here in January 1983, less than a year after the major explosive eruption . By this time it was partially filled by a hot, acidic lake. The isolated, low-profile, volcano is a small lava dome complex that was heavily vegetated prior to 1982. More than a half-dozen large explosive eruptions have occurred since the mid-Holocene. Photo by Bill Rose, 1983 (Michigan Technological University).
Volcano Number:
341120
Volcano Name:
Chichon, El
Country:
Mexico
Volcano Type:
Lava dome(s)
Last Eruption:
1982 CE
Elevation:
1150m
Tectonic Setting:
Subduction zone / Continental crust (> 25 km)
Pop. within 5km:
3759
Pop. within 10km:
11000
Pop. within 30km:
143015
Pop. within 100km:
3570632
Latitude:
17.3602
Longitude:
-93.2297
Details
Hide
El Chichón is a small trachyandesitic tuff cone and lava dome complex in an isolated part of the Chiapas region in SE México. Prior to 1982, this relatively unknown volcano was heavily forested and of no greater height than adjacent non-volcanic peaks. The largest dome, the former summit of the volcano, was constructed within a 1.6 x 2 km summit crater created about 220,000 years ago. Two other large craters are located on the SW and SE flanks; a lava dome fills the SW crater, and an older dome is located on the NW flank. More than ten large explosive eruptions have occurred since the mid-Holocene. The powerful 1982 explosive eruptions of high-sulfur, anhydrite-bearing magma destroyed the summit lava dome and were accompanied by pyroclastic flows and surges that devastated an area extending about 8 km around the volcano. The eruptions created a new 1-km-wide, 300-m-deep crater that now contains an acidic crater lake.
Download XLS
Eruption Data from the Global Volcanism Program of the Smithsonian Institution
Show 13 Results
Hide Results
Emissions Data from the Global Volcanism Program of the Smithsonian Institution
Show 1 Results
Hide Results
Data from the Earthchem Library
Sorry. No data exist for this volcano in the EarthChem Library.
Data from the Earthchem Portal
Sorry. No data exist for this volcano in the EarthChem Portal.
Data from the SESAR Database
Show 73 Results
Hide Results
Data from the MaGa Database
Show 1 location
Hide Locations
Data from UNAVCO
Sorry. No data exist for this volcano in the UNAVCO database.
Data from USIEI
Sorry. This volcano is not covered by any USIEI projects
Data from IRIS FDSNWS
Show 2 Results
Hide Results