Lava from Hawaii's Kilauea volcano leaves path of destruction
Magma has already devoured more than two dozens home in and around the neighborhood of Leilani Estates .By helicopter, the destruction down below can be seen clearly. There aren't any firefighters down there because there's nothing they can do. The volcano is an unstoppable force. © Provided by CBS Interactive Inc. Lava from volcanic fissures slowly advances and overtakes structures and trees in the Leilani Estates neighborhood in the aftermath of eruptions from the the Kilauea volcano on Hawaii's Big Island on May 6, 2018, in Pahoa, Hawaii.
Things at Hawaii's erupting Kilauea volcano are kicking up.
The Latest: Hawaii volcano could have explosive eruption
The Latest on the eruption of Kilauea volcano in Hawaii (all times local):10 a.m.Geologists say Hawaii's Kilauea volcano could erupt explosively and send boulders, rocks and ash into the air around its summit caldera in coming weeks.The U.S. Geological Survey said Wednesday the risk will rise if the lava drops below the groundwater level beneath the summit's caldera or craterlike basin. That's because an influx of water inside could cause steam-driven explosions.The agency says the volcano may eject blocks up to two yards (meters) in diameter a little less than a mile (a kilometer) away.
The volcano has already been oozing lava, which hasand emitted dangerous gases.
Now scientists are warning of a whole bunch of other possible hazards: acid rain, a bunch of falling ash, and eruptions that could propel huge boulders into the sky.
These plagues sound almost Biblical in their frequency and fury. They're a lot to keep track of. Here are the main threats:
What we're looking at: Kilauea has been
Just this Wednesday, there was an explosion that sent a huge column of ash above the crater.
We could see even larger explosions and columns of ash over the coming weeks, the US Geological Survey.
Scientist: Hawaii lava is magma stored from 1955
Scientists believe lava that's been erupting in a Hawaii residential neighborhood since last week is magma that's been stored in the ground since Kilauea volcano erupted in the same area 63 years ago. Hawaiian Volcano Observatory Scientist Tina Neal says a rock sample analysis indicates the lava's chemistry is similar to that from a 1955 eruption. She says that's why the lava has been cool and has been moving sluggishly. She says fresher, hotter and faster-moving lava could emerge.Load Error
What causes it: That crater has a vent -- a crater within the crater -- that has a fluctuating lake of lava. At the moment, that lake of super-hot molten rock is dropping.
As the lake retreats, rocks from inside the crater's walls will fall. That triggered, the USGS says.
That's expected to continue. But bigger blasts could be in store. If the lava column drops to groundwater level, water could rush into the void and create large, steam-driven explosions.
The volcanic ash coming from the explosions are small particles of rock and volcanic
How it impacts people: If there's enough of it, it could make daytime seem like night.
"Because of the unexpected darkness during daylight hours ... and the sometimes strong smell of sulfur during an ashfall, many people describe the experience as eerie and frightening, disorienting and confusing, or dreadful," the.
Trump issues disaster declaration for Hawaii volcano damage
President Trump on Friday approved a disaster declaration for Hawaii as the state deals with damage from a volcanic eruption on its largest island. The White House announced Friday night that federal funding had been approved for local recovery efforts in the area affected by the Kilauea volcanic eruption and earthquakes that began early last month."Additional designations may be made at a later date if requested by the state and warranted by the results of further damage assessments," the White House added in a statement.
Serious health problems aren't common, but some people may have trouble breathing during severe ashfall, especially those with existing conditions like asthma. Everyone should generally avoid the ash as much as possible, and people who can't avoid exposure should wear face masks when outside,.
What we're looking at: Remember those steam-driven explosions at the summit -- the ones caused by groundwater entering the void left by the retreating lava? Those would be trouble.
Those blowouts could blast out all sorts of debris: "Ballistic projectiles" from pebble-size rocks to several-ton blocks, the.
The pebbles could be thrown several kilometers. The huge boulders could travel more than a half-mile.
How it impacts people: Fortunately, the immediate area mostly comprises a national park and is not heavily populated. One of the nearest communities, creatively named, and its roughly 2,000 people are about three miles from the summit.
But the Hawaii Volcanoes National Park will be closed Friday until further
Hawaii volcano raises concerns of eruptions along West Coast
As the threat of a Hawaii volcano hurling ash and boulders looms, geologic experts are also turning their attention to the other volcanoes that make up the Pacific "Ring of Fire." The horseshoe-shaped belt includes a chain of 13 volcanic peaks on the West Coast, from Washington's Mount St. Helens to California's Lassen Peak. The impact already felt by Kilauea volcano is raising fears that other parts of the West Coast could be in danger.The West Coast is home to an 800-mile (1,300-kilometer) chain of 13 volcanoes , from Washington state's Mount Baker to California's Lassen Peak. They include Mount St.
'Vog' and acid rain
What we're looking at: Erupting volcanoes spew hazardous sulfur dioxide gas. If conditions are right, that gas and other pollutants can settle with moisture and dust to create a haze called volcanic smog, or "
If it rains when it's voggy, you get acid rain.
What causes it: We've had vog already, but mostly south of the island over the
But the winds are expected to calm down Thursday and Friday, possibly allowing the vog to settle over more of the island.
It should rain over the Big Island on Thursday into Saturday. The vog's sulfuric acid droplets would fall, too -- thus, acid rain.
How it impacts people: Vog seems to be the more immediate health concern. At higher concentrations, vog can cause headaches and irritation to the lungs and eyes, the University of Hawaii at Hilo says
High levels of acidic particles in vog "can induce asthma attacks, especially in adolescents, and can also impede the ability of the upper respiratory tract to remove other potentially harmful particles," the USGS says.
For people with asthma and other respiratory problems, "the effects are much more serious, causing a tightening of the airways in the lungs and making it very difficult to breathe," the university says.
Hawaii's Big Island residents frantically searching for masks the government says they don't need
As volcanic eruptions spew toxic gas into the air, some residents of Hawaii's Big Island are frantically searching for masks for protection. But the Hawaii Department of Health says "no commercial mask sold in stores" would actually do residents any good."I'm just worried about, you know, the air quality," resident Clayton Thomas told CNN affiliate KHNL/KGMB. He wanted to get a mask for his nephew, who has asthma, but went to five different stores with no luck. By Sunday afternoon, 17 volcanic fissures had opened, pouring lava into the area, according to the Hawaii County Civil Defense Emergency System.
But it adds: "There's been no clear evidence that vog causes lingering damage to
How acid rain affects human health is more complicated.
Walking in acid rain or swimming in a lake affected by it "is no more dangerous to humans than walking in
Butby leaching metals from building and plumbing materials, the USGS says. That includes rooftop rainwater-catchment systems that Hawaii residents use for drinking water.
And more lava
What we're looking
A 15th vent formed Wednesday in the nearby community of Lanipuna.
How it impacts people: This lava doesn't usually get very far from the vents, but it has swallowed up streets, cars
The more than 1,700 people who live in that area were ordered to evacuate a week
Residents are now allowed to check out their homes during an 11-hour period during the day, but officials say they must be prepared to flee at a moment's notice.
Four residents airlifted, dozens more structures destroyed by lava on Hawaii’s Big Island .
A short explosion from the Kilauea crater sent an ash cloud about 10,000 feet into the air around midnight Saturday.Lava crept through residential areas on Hawaii’s Big Island, destroying dozens more structures, including four homes, over the past 24 hours as Kilauea capped off another week of volcanic activity.