If the timing is right, visitors to Hawai'i Volcanoes National Park in Hawaii could be in for another spectacular view this week.
A new phase of volcanic activity began Tuesday at Kīlauea's Halemaʻumaʻu crater in the park, located on the Big Island of Hawaii.
The eruption started Dec. 23 and has since had 24 episodes of increased activity and lava fountaining, or about one a week. The last episode ended June 5, after spewing lava fountains up to 1,200 feet high. Some of the episodes have lasted only a few hours, while others have occurred over several days.
"Episode 25 precursory activity began yesterday, June 10, in Halema‘uma‘u and is ongoing," according to the Hawaiian Volcano Observatory's Daily Update on Wednesday. "The forecast window for episode 25 sustained lava fountaining is between today, Wednesday, June 11, and Thursday, June 12."
The update added that the window could change depending on conditions.
Glow was spotted on summit webcams overnight Tuesday into Wednesday, and there were continuing gas-pistoning events at the north vent.
"During gas-pistoning events, gas accumulation causes lava to rise within the north vent, with resulting spattering and lava flows onto the crater floor," the update said. "These events have occurred at a rate of 5-10 per hour."
The current activity doesn't pose a threat to local communities.
"Hawaiian lava flows generally advance slowly downslope, and during this eruption flows have been confined to Halemaʻumaʻu crater and the southwest side of Kaluapele, Kīlauea's summit caldera," according to the update.
One thing to watch out for: Pele's hair, or strands of volcanic glass often produced by lava fountaining activity. These strands can be carried by wind, sometimes in clusters like tumbleweeds, and can cause skin and eye irritation.
Visitors to the area should exercise caution and be prepared for road closures and traffic congestion. Check the park website for the latest updates.
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