Pyroclastic density currents (PDCs) are a major threat during an explosive volcanic eruption. A new study shows that loose tephra accumulations on volcanic slopes tend to re-mobilize rapidly.
Scientists Support Local Activities to Rescue the Mesoamerican Reef
The reef’s report card analyzed 286 sites in Mexico, Belize, Guatemala, and Honduras. Communities, scientists, and governments are working to improve coral and ecosystem resilience.
Severe Cyclones May Have Played a Role in the Maya Collapse
Sediment cores from the Great Blue Hole reveal that a series of extreme storms hit the region after 900. The storms may have irreparably damaged an already stressed Maya population.
Lidar Uncovers Thousands of New Maya Structures
Jungle-piercing lidar surveys over ancient Maya sites give scientists the most extensive maps of lowland Maya civilization to date.
Visiting the Volcano
Workshops on Volcanoes; Santiaguito, Guatemala, 4–12 January 2016