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Sat, 05 Dec 2020
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Earth Changes


6.3-magnitude earthquake hits Salta, Argentina - 2nd powerful quake for the province within 31 hours

© Associated Press
A 6.3-magnitude earthquake jolted 76 km WSW of San Antonio de los Cobres, Argentina at 22:54:59 GMT on Monday, the U.S. Geological Survey said.

The epicenter, with a depth of 147.79 km, was initially determined to be at 24.3785 degrees south latitude and 67.0533 degrees west longitude.

Comment: Details and video of the earlier event: Shallow 5.9 magnitude earthquake shakes the northern Argentine province of Salta


Very deep M6.3 earthquake hits Primor'ye, Russia

Russia earthquake map
© Volcano Discovery
A very deep magnitude 6.0 earthquake was reported in the morning near Sovetskaya Gavan', Russia.

According to the German Research Centre for Geosciences (GFZ), the quake hit on Tuesday 1 December 2020 at 7.54 am local time at a great depth of 585 km. The strength of the earthquake may have been tempered by its relative great depth below the surface, which makes it feel weaker in absolute terms.

The exact magnitude, epicenter, and depth of the quake might be revised within the next few hours or minutes as seismologists review data and refine their calculations, or as other agencies issue their report.

Our monitoring service identified a second report from the United States Geological Survey (USGS) which listed the quake at magnitude 6.4. Other agencies reporting the same quake include Geoscience Australia (GeoAu) at magnitude 6.4, Italy's National Institute of Geophysics and Volcanology (INGV) at magnitude 6.3, and European-Mediterranean Seismological Centre (EMSC) at magnitude 6.0.

Comment: On Nov. 29th at 1311UT Earth-orbiting satellites detected the biggest solar flare in more than 3 years.

Apart from this very deep Russian earthquake, other seismic and volcanic activity around this time include:


M3.7 earthquake hits Burladingen, Germany

earthquake graph
© Phil McCarten / Reuters
There was a light but noticeable earthquake in the Swabian Alb early Tuesday morning, December 1st, 2020.

Epicenter near Burladingen

The center of the quake with a magnitude of 3.7 was west of Burladingen in the Zollernalb district , as reported by the Southwest earthquake service . The tremors at 0.25 a.m. were believed to have been felt within a radius of 30 kilometers.

No major damage or injuries

The situation center of the Ministry of the Interior in Baden-Württemberg reported several worried calls from the region. A crack in a street was also reported. According to initial findings, there was no major damage or even injuries. There are always minor tremors in the area. The Swiss earthquake service THZ Zurich even reported a strength of 4.1.

At 02:59 local time, the earthquake service reported a weaker earthquake near Albstadt with a strength of 1.8.


Shallow 5.9 magnitude earthquake shakes the northern Argentine province of Salta

A earthquake of magnitude 5.9 on the Richter scale shook the province this Sunday Argentina from Jump, in the northwest of the country, without causing damage or victims.

The National Institute of Seismic Prevention of Argentina specified in a report that the earthquake was registered today at 1:40 p.m. local time (16:40 GMT), with its epicenter at Jump, 177 kilometers north of the provincial capital, 106 kilometers north of San Salvador De Jujuy and 34 kilometers east of Humahuaca, at a depth of 17 kilometers.


Heavy snow and lowest-maximum-temperature-records fall across India

Weather India Nov 28 2020
© aninews.in
Heavy snow continued in northern India yesterday, Nov. 26, as southern regions continued to register anomalous, often record-breaking cold.

As originally reported by sify.com, the city of Shimla, Himachal Pradesh was greeted with a fresh spell of snow and sub-zero temperatures on Thursday, November 26 (see featured image), with Keylong district clocking the northern state's lowest temperature, a nippy -2.6C (27.3F).


Temperature extremes: Severe fire danger for Australia as November high temperatures smash records

The forecast heat map for the first day of summer with a renewed heatwave across inland eastern Australia

The forecast heat map for the first day of summer with a renewed heatwave across inland eastern Australia
Parts of Australia, including Sydney, sweltered through the hottest November night on record with temperatures likely to stay high on Sunday, prompting authorities to issue a total fire ban.

Sydney CBD surpassed 40 degrees Celsius (104 F) on Saturday while swathes of western New South Wales, South Australia and northern Victoria baked through even higher temperatures nearing 45 degrees.

Temperatures are expected to cross 40 degrees for a second straight day on Sunday while the Bureau of Meteorology has predicted a five or six-day heatwave for parts of northern New South Wales and southeast Queensland.

Cloud Precipitation

Deadly floods in Andhra Pradesh, India after heavy rain from Cyclone Nivar - at least 8 killed -100,000 hectares of crops damaged

Floods in Andhra Pradesh, India, November 2020.
© Government of Andhra Pradesh
Floods in Andhra Pradesh, India, November 2020.
The state government of Andhra Pradesh, India, report severe flooding caused by heavy rainfall following the passage of Cyclone Nivar.

Cyclone Nivar made landfall to the north of Puducherry on 26 November 2020, causing severe wind damage and some flooding in low-lying areas of Tamil Nadu, including Chennai.

Nivar also brought heavy rainfall to parts of Andhra Pradesh, where flooding has affected Chittoor, Nellore and Kadapa districts. Six flood-related fatalities were reported in Chittoor district and 2 in Kadapa.

Comment: Cyclone Nivar claims 3 lives in Tamil Nadu, India - up to 9.6 inches of rain falls in 18 hours

Cloud Precipitation

Flooding of desert after heavy rain south of Al Quoz, UAE

The miracle of the desert! Flooding south of Al Quoz, UAE after heavy rains 28 November 2020.

Solar Flares

Biggest solar flare in more than 3 years detected

M4 solar flare
Yesterday (Nov. 29th at 1311UT), Earth-orbiting satellites detected the biggest solar flare in more than 3 years. NASA's Solar Dynamics Observatory recorded this extreme-ultraviolet movie of the M4.4 category blast.

X-rays and UV radiation from the flare ionized the top of Earth's atmosphere, producing a shortwave radio blackout over the South Atlantic: map. Ham radio operators and mariners may have noticed strange propagation effects at frequencies below 20 MHz, with some transmissions below 10 MHz completely extinquished.

Remarkably, this flare was even bigger than it seems. The blast site is located just behind the sun's southeastern limb. As a result, the explosion was partially eclipsed by the body of the sun. It might have been an X-class event.

The flare also hurled a significant coronal mass ejection (CME) into space, shown here in a coronagraph movie from the Solar and Heliospheric Observatory (SOHO).

Cloud Precipitation

Torrential rain in São Carlos, Brazil turns streets into rivers

Sao Carlos floods

The city of São Carlos, in the interior of São Paulo, was hit on Thursday (26) by a heavy rain that caused flooding and several damages. The storm was so intense that in just over 1 hour the accumulated volume reached 138 millimeters, according to information from the State Civil Defense. The central region suffered the most.

According to data from official agencies, due to the force of the water, several cars were dragged and, in some cases, even stacked. In addition, approximately 40 residences, at least 100 commercial establishments and even rooms in an Emergency Care Unit (UPA) ended up being flooded, which generated many losses and considerable apprehension to the population.