Hawaii’s Kilauea volcano has lessons for California

Red ash began rising from the Puu Oo vent on Hawaii’s Kilauea after a magnitude 5.0 earthquake May 3. The vent’s crater floor collapsed April 30, triggering the first earthquake and a major shift in magma. The floor’s collapse caused magma to rush into new underground chambers. Hundreds of earthquakes following the initial quake, including a magnitude 6.9 temblor May 4. Fourteen fissures along the East Rift have opened, with lava flows destroying at least 35 buildings.
Eruption