

Time-lapse movie of Halemaumau Crater (4/17/14-4/24/14)



Thermal image movie of Halemaumau Crater (4/17/14-4/24/14)



Kīlauea Caldera from HVO (4/17/14-4/24/14)



Halemaʻumaʻu Overlook Vent from HVO (4/17/14-4/24/14)

(Activity updates are written by scientists at the U.S. Geological Survey’s Hawaiian Volcano Observatory.)

A lava lake within Halema‘uma‘u produced nighttime glow that was visible via HVO’s Webcam during the past week. The lake level fluctuated between about 49 m (161 ft) and 35 m (115 ft) below the rim of the Overlook crater.

On Kīlauea’s East Rift Zone, the active front of the Kahauale‘a 2 flow was 7.5 km (4.7 miles) northeast of its vent on Pu‘u ‘Ō‘ō when mapped on Friday, April 18. Webcam images indicate that small, lava-sparked forest fires continue to burn. In addition, a spatter cone on the northern edge of Pu‘u ‘Ō‘ō’s crater floor began erupting just before midnight on Tuesday, April 24. Webcam images indicate that these flows were still weakly active on Thursday.

There were two earthquakes in the past week that were felt on the island of Hawai‘i. On Saturday, April 19, 2014, at 11:52 a.m. HST, a magnitude-3.3 earthquake occurred 10 km (6 mi) southwest from Pa‘auilo at a depth of 43 km (26 mi). On Tuesday, April 22, at 8:20 a.m., a magnitude-3.1 earthquake occurred 4 km (3 mi) southwest from Volcano Village at a depth of 3 km (2 mi).

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