Striking footage shows lava flowing against a rainy Icelandic backdrop near Grindavik during the latest episode of an ongoing ...

But over the past several days, lava flow from Mauna Loa has slowed down "significantly" as it moved over flatter ground, according to the U.S. Geological Survey.

As of Saturday morning, the lava flow had showed little change from a day prior and was about 2.5 miles from the highway, according to an update from the United States Geological Survey.

The lava feeding the flow front heading toward Saddle Road, also known as Route 200 or Daniel K. Inouye Highway, was cut off and the lava supply had dropped "significantly" on Thursday, Patrick said.

The flow was moving at a rate of about 40 feet per hour over the past 24 hours and was about 2.5 miles from the road as of 7 a.m. As previously reported, advance rates will be difficult to predict ...

Hawaii’s Defense Department activated 20 members of the state’s National Guard Monday as a result of the lava flow from Mauna Loa, a Hawaii Emergency Management Agency statement said.

After Kilauea first erupted in May, the U.S. Coast Guard restricted boats from coming within 984 feet of where the lava flow dumps into the ocean on the northeast side of Hawaii's Big Island.

In this Saturday, May 5, 2018, photo provided by the U.S. Geological Survey, lava from Fissure 7 slowly advances to the northeast on Hookapu Street in the Leilani Estates subdivision in Pahoa, Hawaii.

An annotated NASA Landsat 8 image showing a two-mile-long lava flow coursing down the southwestern flank of Mount Etna on February 13. NASA / U.S. Geological Survey ...