This closure is due to a combination of factors including the outbreak of a fungal disease that is killing millions of bats. Read more at our Nature and Science page.
Cerro Rendija volcano, just west of Big Tubes in El Malpais National Monument, is a good example of a shield volcano. Low viscosity lava spread out rapidly from the vent and kept the volcano from gaining much vertical height.
Last Updated: 05/19/2013