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Alaska's Bogoslof volcano sends ash and steam plume over 36,000 feet high


Volcano Discovery
Sat, 24 Jun 2017 08:45 UTC
Bogoslof seismic signal
© AVO
Seismic signal of this morning's eruptions at Bogoslof (recorded on MSW station on Makushin volcano about 60 km to the E
After a calmer period of approx. 10 days, another significant and quite large explosive eruption occurred at the volcano earlier today (yesterday afternoon local time).

The main pulse of the eruption which lasted about 10 minutes began at 00:49 UTC (16:49 local time) this morning and generated an ash and steam plume that quickly rose to 36,000 ft (12 km) altitude as pilots reported that were en route in the area and saw the cloud.

The ash plume moved east, passing over Akutan and the North Pacific Ocean before dissipating. No ash falls were reported from ground locations.

After the main explosion, 4 additional minor events occurred at 3:18-3:24 UTC, 4:13-4:21 UTC, 5:04-5:12 and 5:52-5:55 UTC. Due to cloud cover, there were no direct observations, meaning that the additional ash plumes did not reach more than 28-30,000 ft altitude.

The Aviation Color Code of Bogoslof was raised to RED. The volcano observatory (AVO) mentions that the "volcano remains at a heightened state of unrest and in an unpredictable condition. Additional explosions producing high-altitude volcanic clouds could occur at any time."

Comment: Three volcanoes are restless on the Alaska Peninsula

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Seismograph

6.2 magnitude earthquake hits off Tonga


Earthquake Track
Sun, 25 Jun 2017 18:35 UTC
map tonga
6.2 magnitude earthquake 209 km from Nuku'alofa, Tongatapu, Tonga

2017-06-25 17:42:30 UTC

USGS page: M 6.2 - 209km NW of Nuku'alofa, Tonga
USGS status: Reviewed by a seismologist
Reports from the public: 0 people
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Cloud Precipitation

Floodwater as high as 8 feet in Williamsville, Trinidad

Carolyn Kissoon
Trinidad Express
Sat, 24 Jun 2017 17:04 UTC
The flooding that happened overnight in Marabella.

The flooding that happened overnight in Marabella.
As more rain fell and floodwaters rose on Friday night, not a single house was spared along Kent Street in Williamsville.

Residents said the water rose to eight feet in some areas.

Fire services responded to distress calls at around midnight, the Express was told, but officers were unable to enter the village.

The families were still reeling from Tuesday's flooding brought by Tropical Storm Bret, when the rains returned.

Furniture, appliances and clothes were washed away in the floodwaters which ravaged their homes.

Residents said the Guaracara River broke its banks and water began gushing into their homes at around 11pm.

The water receded within 30 minutes, they said, but returned at around 1a.m.

Not a single person has slept since then, the Express was told.

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Black Cat

Woman mauled to death by tiger near Nandhaur Wildlife Sanctuary, India; third such attack in 2016

Seema Sharma
The Times of India
Sun, 25 Jun 2017 11:44 UTC
TIGER
A 39-year-old woman was mauled to death by a tiger in Boom range of Champawat forest division on Saturday morning. It is the third incident of tiger attack in forest areas around Nandhour Wildlife Sanctuary (NWLS) this year. The forest department officials said that they have intensified efforts to capture the tiger.

The incident occurred when Bastiya village resident Sarita Devi had gone to collect fodder into the forest along with other women. A tiger attacked her while she was cutting grass slightly away from her group. By the time other women realised that Devi was missing from their group, the tiger had mauled her to death. The women had to call local residents to shoo the animal away as it was sitting near the body.

Divisional forest official Ashok Kumar said that tigers have been straying into nearby forest divisions from NWLS and attacking people venturing into forests. He said that villagers enter forest areas despite being warned by forest department officials.
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Seismograph

Shallow 5.7 magnitude earthquake hits central Japan


TASS
Sun, 25 Jun 2017 11:15 UTC
5.7-magnitude earthquake rocks Japan's Nagano prefecture

5.7-magnitude earthquake rocks Japan's Nagano prefecture
An earthquake with magnitude of 5.7 hit the central part of Japan's island of Honshu, the Japan Meteorological Agency reported.

No tsunami threat has been reported.

The epicenter of the earthquake was in the southern part of Nagano Prefecture, and the seismic focus was about 10 km deep.

Subterranean tremors were felt by the inhabitants of 25 prefectures.

There has been no information about victims and destruction.
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Sun

4 people die from record-breaking heat in U.S. Southwest

Dan Whitcomb
Globalnews.ca
Thu, 22 Jun 2017 01:06 UTC
U.S. Southwest heat wave
© U.S. National Weather Service


A graphical forecast by the U.S. National Weather Service shows how hot it's been in the U.S. Southwest.
Four people, including a homeless person and two hikers, have died from the record-breaking heat in the U.S. Southwest, media reports said, where triple-digit temperatures have driven residents indoors and canceled airline flights.

The first two fatalities recorded in the three-day heatwave took place on Monday in Santa Clara County, California, south of San Francisco, and included a homeless person found in a car, the San Jose Mercury News reported.

The victims were identified only as a 72-year-old man and an 87-year-old woman.

"It is tragic when someone dies of hyperthermia since in most every case it could have been prevented," Dr. Michelle Jorden of the Santa Clara County Coroner's Office told the newspaper.

"Hyperthermia and heat stress happen when a body's heat-regulation system cannot handle the heat. It can happen to anyone, which is why it is so important to be in a cool location, drink plenty of water and take a cool bath or shower if you are getting too hot," Jorden said.

The extreme heat, brought on by a high-pressure system parked over the Four Corners region where Colorado, Utah, New Mexico, and Arizona meet, has boosted temperatures well above normal across much of the Southwest.
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Attention

770 earthquakes in Yellowstone Park in 2 weeks: 'More than normal' say scientists

Michael Becker
Idaho State Journal
Fri, 23 Jun 2017 06:13 UTC
Yellowstone earthquake swarm
© USGS
Almost 770 earthquakes have been recorded in Yellowstone Park over the past two weeks — more than normal but not a sign of volcanic activity, scientists say.

As of 11:30 Friday morning, 769 quakes had been recorded in the current swarm, said Jamie Farrell, a research professor of seismology at the University of Utah.

The swarm, which began June 12, is ongoing, he added, though the frequency of earthquakes has slowed down a bit. Typical swarms comprise 10 to 50 quakes, Farrell said.

"As of now, everything that we can see looks like these are tectonic in origin," he said. "There's no volcanic signature to any of these events that we've found."

The university's seismograph stations have tracked a single quake in the magnitude 4 range, a temblor near West Yellowstone on June 15 that has been the largest of the swarm to date.

Comment: Yellowstone supervolcano is hit by 464 earthquakes in just ONE WEEK

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Tornado2

Video shows dust devil turning into a fire tornado at Russian gas field

Brittany A. Roston
Slash Gear
Fri, 23 Jun 2017 16:55 UTC
red sky
There's no shortage of entertaining videos from Russia, and while most of them involve balls of fire shooting through the sky, this one is a bit different: a dust devil made its way over to an open flame and transformed into a fire tornado. Thanks to a witness who was quick with their camera, the entire process was caught on video (vertically, that is, but it works well in this case).

The video was recently posted by Storyful on its YouTube page, where it simply attributes it to 'Anonymous.' According to the video description, the dust devil formed on a Russian gas field where an open flame was present on one of the pipes. The dust devil — which was pretty big to start with — made its way over to the fire, eventually encasing it.

The results are predicable — the fire was pulled up into the swirling wind, forming a twisting funnel of fire. After seemingly playing with the fire for a minute, the dust devil eventually backs off, going from clear and flaming to dusty and huge. It's quite satisfying, and even better that no one was hurt.

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Sun

Ring seen around the sun in eastern Virginia

Mike Stone
WTVR
Thu, 22 Jun 2017 11:47 UTC
While it doesn't happen every day, we are occasionally treated to a funky sky phenomenon of a halo around the sun or moon.
Sun halo in Sandston, VA
© WTVR
This ring is caused by cirrostratus clouds, which are made of ice crystals. They are found above 20,000 feet. They can get quite thick, but sun or moon light can be seen through them.

This light is refracted through the ice crystals, and this causes the halo. At times, the clouds can be very thin and hardly visible until the halo is shown.

We often see cirrostratus clouds increasing ahead of a front or storm system. Thursday afternoon's halo was caused by moisture being thrown into our area by the remnants of Tropical Depression Cindy.
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Attention

Rincón de la Vieja volcano eruption blasts over 2000 meters in Costa Rica

Laura Alvarado
The Costa Rica Star
Fri, 23 Jun 2017 09:03 UTC
Blasts at Costa Rica's Rincón de la Vieja Volcan

Blasts at Costa Rica's Rincón de la Vieja Volcan
The National University's Volcanology and Seismology Research Institute (OVSICORI), reported an eruption at the Rincón de la Vieja Volcano in Guanacaste at 2:56 p.m. this Friday, June 23, where the column reached 2000 meters above the crater and 3,916 meters above sea level, (12844.48 ft).

According to the report by OVSICORI, the eruption registered is phreatomagmatic, which means it results from the interaction between magma and water. This type of eruptions usually contains juvenile magmatic clasts.

The activity was short, only lasting one minute, There are no reports of ash-fall for the time being, but the explosive and violent eruption caused once again a small pyroclastic flow, meaning a current of hot gas and volcanic matter such as rocks that heads down the north slope of the volcano forming a lahar. The lahars that form as a product of eruptions in this volcano usually affect the rivers Pénjamo, Azul and Quebrada Sufrosa.

Volcanologists recommend staying away from these rivers since the water level can increase suddenly.

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