#CBC: « Hawaii’s Kilauea volcano is pumping out lava, ash — and ‘vog' » #Toronto #Montreal #Calgary #Ottawa #Canada


Over the previous three weeks, Kilauea volcano on Hawaii’s Big Island has spewed out molten rock taking pictures towards the sky, lava oozing from the bottom and ash clouds rising excessive into the air.

You may add « vog » to the combo.

Scientists say larger sulfur dioxide emissions recorded on the volcano’s summit in current days are creating the potential for heavier than ordinary vog, or volcanic smog. So far, commerce winds have been largely blowing the gray haze offshore.

What is vog?

Volcanic smog, or air air pollution, is created by vapour, carbon dioxide and sulfur dioxide gasoline launched from Kilauea. It reacts within the ambiance with oxygen, daylight, moisture and different gases and particles. In a matter of hours or days, it fills the air with advantageous particles that scatter daylight, making a haze that may be seen downwind of Kilauea, in keeping with The Interagency Vog Dashboard, which is made up of Hawaii, U.S. and worldwide companies.

Everyone is having signs now on some degree.– Dr. Josh Green, state senator

The U.S. Geological Survey mentioned sulfur dioxide emissions from the volcano have greater than doubled for the reason that present eruption started.

Kilauea’s summit was belching 13,607 tonnes of the gasoline every day, up from 5,443 metric tonnes each day previous to the May three eruption. People residing miles from the eruption are being attentive to the quantity of noxious fumes pouring out of the volcano as a result of it creates potential for extra vog.

What are the well being impacts?

« Everyone is having symptoms now on some level, » mentioned Dr. Josh Green, a state senator and emergency room doctor who has been volunteering in communities the place lava fissures have opened in neighbourhoods.

Symptoms for usually wholesome individuals can embrace burning eyes, complications and sore throats. But these with bronchial asthma or different respiratory issues can find yourself hospitalized.

Those who’re wholesome, bodily lively and do not smoke can normally tolerate fundamental signs, Green mentioned, including hospitals are seeing extra sufferers with issue respiratory.

Green’s mother, Natasha Green, who lives on the Kona facet of the island, mentioned the vog was significantly dangerous on Tuesday. « It makes it very hard to breathe, » she mentioned, including that her different signs embrace coughing and watery and stinging eyes.

She’s had to make use of an inhaler, which she does not want when there is not vog. She’s a former smoker, « so that’s probably part of the problem, » she mentioned.

Who is affected?

Vog can have an effect on areas removed from the volcano summit, together with the western facet of the Big Island and even different islands.

But these days, commerce winds have been blowing many of the vog offshore. The National Weather Service mentioned it anticipated commerce winds to gradual this weekend, creating hazardous air high quality.

Communities the place lava fissures have opened and people downwind are essentially the most affected.

Kilauea is erupting on Hawaii’s largest island, so there are many areas that are not affected by the consequences of vog.

The solar units by way of ‘vog’ in Kailua-Kona on May 23. ‘Some days it is skinny sufficient you’ll be able to see the solar passing by way of. But different days we simply go inside as a result of we will not see it in any respect,’ Stewart says. (Chris Stewart by way of Associated Press)

« My phone’s been ringing off the hook, » mentioned Steven Businger, chairman of the University of Hawaii’s atmospheric sciences division. « A little old lady out of Minnesota wants to know if she should cancel her vacation — that kind of thing. »

He informed her to not cancel as a result of the vog was blowing away from her deliberate vacation spot, the Big Island resort city of Waikoloa.

Businger additionally runs the Vog Measurement and Prediction Project. The web site offers present vog circumstances for numerous websites across the Big Island.

Is the vog worse now?

With a rise in emissions, there’s extra vog, mentioned Lisa Young, environmental well being specialist for the state well being division’s Clean Air Branch.

Bruce Corker, a Kona espresso farmer, has seen. When he appears down from his farm at Kailua Bay, it is onerous to make out the water as a result of it is the identical gray color because the sky.

« For me, it’s just visual, » he mentioned. « I don’t feel any effects on my lungs. I don’t smell anything. »

Corker, who grew up in Southern California, compares vog to « Los Angeles-like smog. »

What else?

Retired photojournalist Chris Stewart says there’s one advantage of vog: It intensifies the colors of a sundown.

But it relies on how thick the haze is. « Some days it’s thin enough you can see the sun passing through, » he mentioned. « But other days we just go inside because we can’t see it at all. »

Stewart mentioned he is grateful to be residing on the Big island’s west facet — away from the volcano.

« I almost feel guilty enjoying our sunsets, » he mentioned.

Note: « Previously Published on: 2018-05-27 14:23:39, as ‘Hawaii’s Kilauea volcano is pumping out lava, ash — and ‘vog » on CBC RADIO-CANADA. Here is a supply hyperlink for the Article’s Image(s) and Content ».

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