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Fri, 15 Oct 2021
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Magnitude 6.3 earthquake strikes off coast of Oregon

eathquake oregon august 2019

A 6.3-magnitude earthquake has struck off the coast of Oregon
The state of Oregon is located near a 700-mile-long fault known as the Cascadia subduction zone, making the area prone to earthquakes.

A 6.3-magnitude earthquake struck 284 kilometres northwest of Brandon, Oregon at 15:07:58 on Thursday at a depth of 5.4-kilometres, the United States Geological Survey reported.

Sun

Sun dog lights up sky in Canterbury, New Zealand

Sun dog over Canterbury, NZ
© Ross Day
It looks like something out of a science fiction novel but it's really just a quirk of the clouds that gives the appearance Earth is now orbiting two suns.

Ice prisms in a veil of high cirrus, about 8 kilometres up, refract sunlight and can create many different optical phenomena, including the "mock sun" or "sun dog" photographed by Ross Day near Sugar Loaf on Christchurch's Port Hills close to sunset on Tuesday.

The phenomenon - more properly known as a parhelion - is not especially rare and is one of several tricks of the light generated by hexagonal ice crystals in clouds at such high altitudes.

In the best displays, a whole range of intersecting haloes and arcs may be visible around the Sun.

Binoculars

Tropical seabird seen for the first time ever off Cornwall, UK

Images taken by a bird-watcher in Cornwall show the brown booby fishing off the coast in St Ives.
© Keith Jennings
Images taken by a bird-watcher in Cornwall show the brown booby fishing off the coast in St Ives.
The brown booby bird is usually found in tropical oceans and on beaches off the Pacific coast but has been seen at St Ives

'Birders' have flocked to St Ives after sightings of an extremely rare bird that has never been reported before in the UK.

The bird, a brown booby, was spotted for the first time on Tuesday (August 27) at The Island in St Ives.

The bird was captured in these remarkable images by bird-watcher Keith Jennings. He took them as the bird was close inshore off The Island at 7.34am on Tuesday.

Arrow Down

The ground sinks in Mazatlan, Mexico - at least 4 sinkholes reported so far

sinkhole
At least four sinkholes have been registered so far in August in Mazatlan, generating accidents and road problems, and will be resolved with 15 million pesos.

The Director of Welfare and Social Development, Tonatiuh Guerra Martínez, indicated that the resources will be applied through his address because Jumapam does not have extra resources.

"In recent days, due to the natural wear and tear that has been in the primary communication channels, there have been undercuts that we are already aware of, and since Jumapam has no money, the president instructed us that through Social Welfare, resources will be rebuilt to help the Board compose those four undercuts, "he said.


Snowflake Cold

New record cold in northern European Russia

frost
Below-freezing temps in northern regions of European Russia.

On August 26 a new daily minimum temperature of -1.6 degrees was established on Kolguev Island, easily beating the previous record of 0.5 degrees set 36 years ago.

During night and early morning on Wednesday the temperature in the Arkhangelsk and Vologda regions will drop to -1 degree. In the Nenets okrug it will drop to -2, and in the Komi Republic to -2.

Thanks to Victor for this link.

Snowflake

August snowfall in Himachal Pradesh, India points to the possibility of early winter

snow India
The parts of upper Himachal have received several spells of snowfall paved way for early onset of the winter season this year.

While everything is normal in lower parts of Himachal, the upper parts are witnessing frequent spells of fresh snowfall which is not normal in August. Rohtang pass and Baralacha pass have received fresh snow two times this month.

The snowfall even affected the traffic at Baralacha pass, even the parts of Lahaul-Spiti district, including district headquarter Keylong, experienced rare snowfall on August 18 that flattened pea crop in some areas.

The peaks of Pir-Panjal and Dhauladhar ranges have received snow multiple times this month. Although most of the snow melted away very fast, it has triggered a sudden dip in the temperature at high altitude areas. The snow covered green patches on the peaks. Himachal agriculture minister too had said that unexpected snowfall in August had damaged pea crop at some parts of Lahaul-Spiti.


Comment: It's Snowing in August all over the world


Tornado1

Tornado kills 8 on China's Hainan island

Some trees are uprooted by a sudden tornado
© Xinhua
Some trees are uprooted by a sudden tornado that hit Nada town of Danzhou, South China's Hainan province, Aug 29, 2019.
A tornado has swept through Hainan island in southern China, killing eight people and injuring two others.

The official Xinhua News Agency said the tornado struck Nada town in Danzhou city early Thursday morning.

State broadcaster CCTV said dormitories for workers collapsed at two construction sites, killing eight people. One person was seriously injured and another slightly hurt. Both were sent to a hospital.


Cloud Precipitation

At least seven people die in flash floods in southern Morocco

Morocco floods
© HESPRESS
At least seven people were killed in flash floods in Morocco on Wednesday, following torrential rains in mountains in the south of the country near Taroudant, 600 kilometers (373 miles) south of Rabat, local authorities said.

Search operations are ongoing to find survivors, said authorities in a statement.

Most of the victims were swept away by a sudden flash flood while watching a football game on a pitch built next to a dry river near the village of Tizrt, a local resident who asked not to be named told Reuters, confirming videos shared on social media showing the scene.

The southern Moroccan mountains, known as the Anti-Atlas, are arid and rarely receive rain in the summer.


Seismograph

6.1-magnitude earthquake strikes off Japan's Aomori Prefecture

earthquake graph
© Flickr/ Matt Katzenberger
An earthquake with a preliminary magnitude of 6.1 struck off the eastern coast of Aomori Prefecture, the northernmost prefecture on Japan's main island Honshu, the weather agency here said Thursday.

According to the Japan Meteorological Agency (JMA), the temblor, which has not resulted in a tsunami warning being issued, occurred at 8:46 a.m. local time and was centered off the coast of Aomori Prefecture in northern Japan, with its epicenter located at a latitude of 41.0 degrees north and longitude of 143.1 degrees east.

The quake occurred at a depth of 10 km, the agency also said.

The earthquake logged 3 on the Japanese seismic intensity scale which peaks at 7 in some areas of Aomori Prefecture, the JMA said, as well as in the prefectures of Hokkaido and Iwate.

There have been no reports so far of major damage or injuries as a result of the offshore quake, and no tsunami warning has been issued by the JMA.

Japan's nuclear watchdog has not reported any abnormalities at any nuclear power stations in the affected regions.

Arrow Up

Powerful volcanic eruptions are creating purple skies

Volcanic eruptions purple sky
© GREG AINSWORTH • SPACE WEATHER
Two major eruptions this summer have caused a stunning atmospheric reaction which have left the sunsets looking purple in certain quarters of the globe. The first of two eruptions came on July 22 when the Raikoke volcano, located in the Kuril Islands in Russia's Sakhalin Oblast region, erupted.

The volcano, which had remained dormant for more than a century before the latest explosion, blasted a mass of ash and volcanic debris ten miles into the sky, reaching a layer of the atmosphere known as the stratosphere.

Just under two weeks later, the Ulawun volcano in New Guinea erupted, sending ash nine miles into the sky and causing 15,000 people to evacuate.


Comment: Less than a week ago an eruption at Kamchatka volcano (Shiveluch) in Russia fired ash 70,000 ft (21.3 km) into the stratosphere.


Sulfuric gas from both of these eruptions reached the stratosphere, which is why skies in some parts of the world turned oddly purple as the Sun started to set.

This is because fine volcanic aerosols in the stratosphere cause blue light particles to scatter.

When the scattered blue particles combine with the normal red hue of a sunset, it makes an eerie purple glow.