Explosion in Halemaumau’s lava lake hurls molten lava into old observation area


A U.S. Geological Survey/Hawaiian Volcano Observatory camera captured a rockfall and subsequent explosion at 10:20 a.m., HST, on April 28, 2015. Rocks falling into the summit lava lake generated an explosion that threw large fragments of molten lava onto the rim of Halemaʻumaʻu Crater, 85 m (280 ft) above the lake. These fragments pose a significant hazard, and are one reason this area remains closed.

The lava lake briefly rose to the Overlook crater rim early Tuesday morning then dropped to about 10-13 feet. At about 10:20 a.m. HST a rockfall caused an explosion of molten lava and rock fragments to be hurled onto the area that was previously an observation area to the public before the vent formed in 2008.

U.S. Geological Survey/Hawaiian Volcano Observatory cameras caught the violent explosion and scientists examined the area later in the debris field.

Tuesday evening USGS/HVO webcams caught the Overlook vent overflowing onto the floor of Halemaumau Crater before receding slightly.


Time-lapse thermal image movie of Halemaumau’s Overlook Vent overflowing onto the crater floor. April 28, 2015. Images courtesy of USGS/HVO

The USGS/HVO has a set of Halemaumau Overlook Vent webcams providing recent images of the lava lake at hvo.wr.usgs.gov/cams/

Visitors to Hawaii Volcanoes National Park viewing the eruption need a National Park pass or pay an entry fee. Parking can get crowded at the Jaggar Museum. (Kilauea PDF Map Link)

Lava watchers should bring binoculars as the lake is on the far side of Halemaumau. If visiting at night warm clothes should be worn due to very cool temperatures and unpredictable weather which may include rain and fog.

Hawaii Volcanoes National Park Info

Rise in Lava Lake Creates Surge in Visitation

Tips for an optimal viewing experience

Hawaii National Park, Hawai‘i – Thousands of additional visitors are flocking to Hawai‘i Volcanoes National Park to witness the large lava lake steadily rise at the summit of Kīlauea volcano.

Over the last several days, visitors waited up to 30 minutes or longer to park. To ease traffic once the Jaggar Museum and Kīlauea Overlook parking lots fill up, rangers are currently redirecting vehicles during peak visitation hours to park at the Kīlauea Military Camp ball field. From there, visitors can hike one mile to the Jaggar Museum observation deck, the closest and best vantage point to view the spectacular lava lake.

“Visitors should come prepared to ensure a safe and enjoyable park experience,” said Superintendent Cindy Orlando. “We encourage people to avoid peak hours, and arrive after 10 p.m. and before 4 a.m. if possible, or they will likely wait in line for parking. The park remains open 24 hours a day,” she said.

Tips for an optimal viewing experience:

  • Be prepared to hike one mile each way between Kīlauea Military Camp ball field and the Jaggar Museum observation deck on Crater Rim Trail. Wear sturdy closed-toe shoes, bring rain gear, water, binoculars, a flashlight, and extra batteries.
  • Carpool if possible to reduce the number of vehicles in the parking areas.
  • As a courtesy to other visitors, no “tailgating” in the Jaggar Museum or Kīlauea Overlook parking lots. Choose another picnic location so others have a chance to view the eruption.
  • To observe viewing and weather conditions, monitor the USGS Hawaiian Volcano Observatory webcams. The KI camera provides a panoramic view of Halema‘uma‘u Crater from HVO.
  • High levels of dangerous sulfur dioxide (SO2) gas and volcanic ash can be blown over Jaggar Museum by southerly winds. These gases are a danger to everyone, particularly to people with heart or respiratory problems, young children and pregnant women. Kīlauea Visitor Center offers updates on air quality 24 hours a day, and visitors can monitor the Hawaii SO2 network website.

In addition, the public is reminded that park entrance fees apply and that the use of unmanned aircraft (drones) is prohibited in all national parks.

The active vent (Overlook crater) at the summit of Kīlauea Volcano is located within Halemaʻumaʻu, a crater within the volcano's caldera. The lava lake within the summit vent was about 70 m (230 ft) below the vent rim when this aerial photo was taken on March 6, 2015. Hawaiʻi Volcanoes National Park’s Jaggar Museum is perched on the Kīlauea caldera rim (out of view to the right). Image courtesy of HVNP

The active vent (Overlook crater) at the summit of Kīlauea Volcano is located within Halemaʻumaʻu, a crater within the volcano’s caldera. The lava lake within the summit vent was about 70 m (230 ft) below the vent rim when this aerial photo was taken on March 6, 2015. Hawaiʻi Volcanoes National Park’s Jaggar Museum is perched on the Kīlauea caldera rim (out of view to the right). Image courtesy of HVNP

Leave a Reply

 

 

Become a fan on facebook

Photos on flickr

Stock Quotes

NASDAQ6620.2324  chart-3.7720
S&P 5002556.03  chart-1.61
AAPL159.66  chart-0.22
FB175.4688  chart+0.9488
GOOG991.46  chart-0.54
INTC39.49  chart-0.27
MSFT77.395  chart-0.255
ORCL48.995  chart+0.135
QCOM52.055  chart-0.325
ALEX45.4399  chart-0.0201
BOH83.33  chart-0.29
BRN1.851  chart+0.000
BYD28.10  chart+0.20
CAGU0.315  chart+0.000
CPF32.5799  chart+0.0399
CYAN4.75  chart+0.05
HA40.025  chart+1.075
HCOM30.57  chart+0.01
HE34.77  chart+0.10
MLP16.3346  chart-0.2154
MRPI0.0014  chart+0.0000
NNUTU2.15  chart+0.00
PLFF0.02  chart+0.00
TBNK32.59  chart+0.00
TSO97.87  chart-97.87
Oct 17, 2017 / 10:55 am

 

 

Quantcast
%d bloggers like this: