Monday, June 18, 2007

Kilauea Volcano, Hawaii - John Seach

An earthquake swarm has been recorded in the upper east rift zone at Kilauea volcano in Hawaii. Most earthquakes were located between Pauahi and Makaopuhi craters. The National Park was closed to tourists along the Chain of Craters Road and parts of Crater Rim Drive as a precaution. Two centimeter cracks appeared the Chain of Craters road near the Mauna Ulu turnoff. Seismicity in the summit area consists of strong tremor. The Kilauea Visitor Center, Jaggar Museum, Volcano House Hotel, Kilauea Military Camp, and Volcano Art Center Gallery remained open. According to the Hawaiian Volcano Observatory there was an intrusion of magma at the Mauna Ulu area early Sunday morning and moved slowly 5 km (3 miles) east along the rift zone during the day. Lava from Pu`u `O`o vent feed two flows along the east rift zone. The Petunia lava flow has started to descend the pali. The Campout lava tube is feeding the Poupou ocean entry. The lava level in East Pond vent of Pu`u `O`o dropped several meters on late Sunday morning. On Sunday afternoon there were rockfalls from the south wall of Pu`u `O`o cone and collapse of the crater floor around the vents.
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