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March 16, 2018
Current Volcano Alert Level: WARNING
Current Aviation Color Code: ORANGE
The eruption of Kīlauea volcano continues at two locations. In the park,
the vent within Halema'uma'u Crater is easily viewed from the overlook at
the Jaggar Museum. The second location is the Pu'u 'Ō'ō vent located 10
miles (16km) east of the summit, on the remote east rift zone of Kīlauea.
This area is not accessible to the public.
Activity Summary: Eruptive activity continues at Kīlauea Volcano’s summit
and East Rift Zone. Seismicity and deformation rates throughout the
volcano remain at low levels, with an inflationary trend in tilt recorded at
the summit during the past 18 hours. Scattered lava flow activity continues
on the June 27th lava flow field within about 6 km (4 mi) northeast of Puʻu
ʻŌʻō. These flows currently pose no threat to nearby communities.
Summit Observations: The lava lake remains active within the
Halemaʻumaʻu Overlook crater. Summit tiltmeters are recording an
inflationary trend in tilt this morning that started yesterday afternoon. The
level of the lava lake yesterday at 12:20 p.m. HST was about 41 m (135
feet) below the crater rim, but has fluctuated by several meters (yards)
since the measurement was made. Seismic tremor has been weakly
variable, reflecting small changes in the vigor of spattering on the lava lake.
For the period December 30, 2015 – January 5, 2016, the summit sulfur
dioxide emission rate averaged 6,200 metric tons/day.
Puʻu ʻŌʻō Observations: The active lava flow southeast of Puʻu ʻŌʻō
continues to move across the coastal plain on Kīlauea's south flank.
Lava Flow Observations: Webcam images show continued surface flow
activity on the June 27th flow field, with smoke plumes where lava is
igniting forest. The most distal active lava is within 6 km (4 mi) northeast of
Puʻu ʻŌʻō and is not currently threatening any nearby communities.
East Rift Zone vents and flow field Lava flows from the June 27 breakout
have advanced into Pāhoa and may threaten residential areas depending on
their level of activity and advance rate. Near-vent areas could erupt or
collapse without warning with spatter and/or ash being wafted within the
gas plume. In addition, potentially-lethal concentrations of sulfur dioxide
gas may be present within 1 km downwind of vent areas. Active lava flows
within forested areas can produce methane blasts capable of propelling
rocks and other debris into the air. All recently active lava flows are within
Hawaiʻi Volcanoes National Park and adjacent State land managed by the
Department of Land and Natural Resources or the Office of Hawaiian