Lava Erupts Onto Floor of Pu’u O’o Crater

Lava began to erupt onto the floor of Pu`u `O`o crater at about 6 a.m. this morning. At the summit the lava lake is still active.

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A section of the northern rim and wall of the summit vent collapsed at around 2:30 this morning causing increased pond spattering and turbulence. Low levels of seismic activity continue across the volcano.

Summit Observations: The summit lava lake remains active, and seismic tremor continues with episodic bursts associated with spattering within the Overlook vent. A Very Long Period earthquake at the summit at around 2:30 this morning corresponded to the collapse of a large section of the northern rim and wall of the summit vent. This caused increased pond spattering and turbulence.

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The depth to the surface of the lava within the overlook vent has been approximately 40-50 m (135-165 ft) below the floor of Halema`uma`u over the past day. In general, seismicity remains at low levels. Summit sulfur dioxide emission rates averaged around 4,000 metric tons/day for the past week.

Puʻu ʻŌʻō Observations: Lava began to erupt from a vent within Pu`u `O`o onto the floor of the crater at about 6 a.m. this morning and continues at the time of this report.

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