Earthquakes

Magnitude 5+ Earthquakes – Global

5.7 earthquake hits the Sichaun-Chongqing border, China.

5.3 earthquake hits South Georgia Island.

5.0 earthquake hits the South Sandwich Islands.

5.0 earthquake hits Chiapas, Mexico.

5.0 earthquake hits the Andreanof Islands in the Aleutian Islands.

5.0 earthquake hits the Kermedec islands.

Storms and Floods

Tropical Storms – Roundup of Tropical Storms:

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In the Atlantic Ocean: Post Tropical Cyclone Nicholas is located about 140 mi…230 km sse of Alexandria Louisiana and about 60 mi…95 km sse of Lafayette Louisiana with maximum sustained winds…25 mph…35 km/h. Present movement…n or 360 degrees at 2 mph…4 km/h.

In the northwest Pacific Ocean: Tropical Storm 19w (Chanthu), located approximately 249 nm west-southwest of Sasebo, Japan, is tracking north-northeastward at 07 knots.

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Newsbytes:

Guatemala – Disaster authorities in Guatemala report floods and landslides in areas of San Marcos, Sololá, Guatemala and Santa Rosa Departments following heavy rainfall over the last few days. Two people have lost their lives and several houses and two bridges were damaged or destroyed. A total of 11,799 people were affected by the incidents and 23 evacuated. In San Marcos, 2 bridges were destroyed in Tajumulco, while landslides damaged 4 roads in Sibinal.

Wildlife

Wildfires in Australia caused an explosion of sea life thousands of miles away

Two years ago, in the southern Pacific Ocean, an explosion of algae grew to more than 2,000 miles wide — about the width of Australia.

Giant algal blooms are often tied to land pollution such as runoff from farmland, which is full of nutrients like nitrogen that these plant-like organisms need to thrive. But there were no nearby farms or factories here in the middle of the ocean.

The sprawling bloom was fueled instead by something faraway and unexpected: wildfires thousands of miles to the west. Smoke rising from Australia’s historic 2019 wildfires drifted out to sea and fertilized vast communities of algae. The smoke, which contained the nutrient iron, gave rise to algal blooms that were together larger than Australia. The blooms lasted for about four months.

More research is needed to determine whether the algal blooms are good or bad for the ecosystem.

Disease

Covid-19

The countries with the 10 greatest number of Covid-19 cases:

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Crimean-Congo hemorrhagic fever – Iraq

Health officials in Iraq are reporting the death of a person working as a butcher in Mosul city due to infection with Crimean-Congo hemorrhagic fever (CCHF).

Volcanos

Roundup of Global Volcanic Activity – New Activity for the Week 8 September – 14 September 2021

Askja – Iceland : On 9 September IMO raised the Aviation Color Code for Askja to Yellow, noting that inflation that began in early August was ongoing and notably rapid. The uplift was centered at the W edge of Oskjuvatn caldera, which rose a total of 7 cm. The data suggested that magma was accumulating at 2-3.5 km depth.

Fukutoku-Oka-no-Ba – Volcano Islands (Japan) : The Japan Coast Guard reported that during a 12 September overflight of Fukutoku-Oka-no-Ba, observers noted that the W island was unchanged while the E side had been completely eroded and submerged. Yellow-green to yellow-brown discolored water extended from the vent area to the SW, S, and SE, suggesting continuing eruptive activity. Another area of discolored water had an approximate diameter of 2 km and was about 2 km ENE of the volcano. The discolored water prompted JMA to issue a navigation warning to nearby vessels.

La Palma – Spain : Instituto Volcanológico de Canarias (INVOLCAN) reported that a seismic swarm beneath Cumbre Vieja at the S part of La Palma began at 1618 on 11 September and was likely associated with a magmatic intrusion. The swarm intensified in number of events and magnitude, and by 1600 on 12 September a total of 315 earthquakes had been recorded and ranged 8-13 km in depth. The largest event was a M 2.8 (on the Mb_lg scale). On 13 September a scientific committee comprised of representatives from multiple agencies and institutions raised the Alert Level to Yellow (the second lowest level on a four-color scale) for the municipalities of El Paso, Los Llanos de Aridane, Mazo, and Fuencaliente de la Palma. By 0800 on 14 September 2,935 earthquakes had been detected. Larger events were felt by residents during 13-14 September; the largest earthquake was a M 3.9, recorded at 0600 on 14 September. Overall, the events were becoming shallower (8-10 km) and hypocenters migrated slightly to the W. GPS and tiltmeter networks showed deformation totaling 1.5 cm centered over the clusters of epicenters. INVOLCAN noted that 10 seismic swarms have been detected at La Palma since 2017; one in 2017, one in 2018, five in 2020, and three in 2021. The earthquakes in the previous swarms were deeper, between 20 and 30 km, and were less intense than the current swarm.

Pagan – Mariana Islands (USA) : The U.S. Geological Survey reported that emissions of ash and sulfur dioxide from Pagan were last detected on 6 September, though robust steam plumes occasionally continued to be visible at least through 14 September.

Whakaari/White Island – North Island (New Zealand) : On 14 September GeoNet reported that intermittent ash emissions at Whakaari/White Island continued to be visible during the previous week. Vigorous fumarolic plumes from the active vent area sometimes carried minor amounts of ash downwind at low altitudes and occasionally deposited ash on the island. Periods where ash was visible in the emissions did not correspond to explosive seismic or acoustic signals, suggesting that the ash was produced by weak wall fragments falling into the gas stream through the active vents and not from eruptive activity. Seismicity was characterized by low levels of volcanic tremor and occasional volcanic earthquakes.

Earthquakes

Magnitude 5+ Earthquakes – Global

5.5 earthquake hits the South Sandwich Islands.

5.3 earthquake hits Simeulue, Indonesia.

5.2 earthquake hits Tonga.

5.2 earthquake hits north of Ascension Island.

Two 5.2 earthquakes hit the South Sandwich Islands.

5.1 earthquake hits off the east coast of Kamchatka, Russia.

5.1 earthquake hits Minahasa, Sulawesi, Indonesia.

5.0 earthquake hits offshore Coquimbo, Chile.

Storms and Floods

Tropical Storms – Roundup of Tropical Storms:

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In the Atlantic Ocean: Tropical Depression Nicholas is located about 15 mi…25 km nne of Port Arthur Texas and about 35 mi…60 km w of Lake Charles Louisiana with maximum sustained winds…30 mph…45 km/h. Present movement…e or 90 degrees at 3 mph…6 km/h.

In the northwest Pacific Ocean: Tropical Storm 19w (Chanthu), located approximately 249 nm southwest of Sasebo, Japan, is tracking east-southeastward at 04 knots.

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Newsbytes:

France – Torrential rainfall of 244 mm in just 3 hours caused flooding in parts of Gard Department in southern France on 14 September 2021. Dozens of people were rescued and one person is reported missing. The equivalent of more than two months of rain fell on the south and west of the department in a few hours early on 15 September, in particular areas around Nîmes. As much as 244 mm of rain fell in Saint-Dionisy in 3 hours.

Global Warming

World now sees twice as many days over 50C

The number of extremely hot days every year when the temperature reaches 50C has doubled since the 1980s, a global BBC analysis has found. They also now happen in more areas of the world than before, presenting unprecedented challenges to human health and to how we live.

The total number of days above 50C (122F) has increased in each decade since 1980. On average, between 1980 and 2009, temperatures passed 50C about 14 days a year.

The number rose to 26 days a year between 2010 and 2019. In the same period, temperatures of 45C and above occurred on average an extra two weeks a year.

“The increase can be 100% attributed to the burning of fossil fuels,” says Dr Friederike Otto, associate director of the Environmental Change Institute at the University of Oxford.

Disease

Covid-19

The countries with the 10 greatest number of Covid-19 cases:

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Cholera, Nigeria

In a follow-up on the cholera outbreak in Nigeria, the Nigeria Centre for Disease Control (NCDC) reports through September 5, a total of 69,925 suspected cases including 2,323 deaths (CFR 3.3%) from 25 states and FCT in 2021.

Measles – Nigeria

The Nigeria Centre for Disease Control (NCDC) reported more than 10,000 suspected measles cases during the first eight months of 2021.

Earthquakes

Magnitude 5+ Earthquakes – Global

5.6 earthquake hits Taiwan.

5.6 earthquake hits the Izu Islands off Japan.

5.3 earthquake hits the South Sandwich Islands.

5.1 earthquake hits southern Peru.

5.0 earthquake hits Fiji.

5.0 earthquake hits central Alaska.

5.0 earthquake hits offshore Coquimbo, Chile.

5.0 earthquake hits the South Sandwich Islands.

Storms and Floods

Tropical Storms – Roundup of Tropical Storms:

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In the Atlantic Ocean: Tropical Storm Nicholas is located about 30 mi…50 km ssw of Houston Texas and about 35 mi…55 km nnw of Freeport Texas with maximum sustained winds…70 mph…110 km/h. Present movement…nne or 25 degrees at 9 mph…15 km/h.

In the northwest Pacific Ocean: Typhoon 19w (Chanthu), located approximately 310 nm west-southwest of Sasebo, Japan, is tracking southeastward at 07 knots.

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Newsbytes:

India – Severe flooding in the state of Gujarat on the western coast of India has affected over 1.6 million people according to disaster authorities in the country. Some areas of the state recorded more than 500 mm of rain in 24 hours. Flooding over the last few days has affected 1,660,254 people across 44 villages in the districts of Rajkot, Jamnagar, Porbandar, Valsad and Junagadh. Evacuations have been carried out and 72 evacuation centres set up to house almost 7,000 displaced residents. Dozens of roads have been closed due to floods and rain, including the State Highway-15 and National Highway-01.

Nigeria – At least 4 people lost their lives after flash floods swept through areas of Abuja and the Federal Capital Territory (FCT) of Nigeria. Flooding struck after hours of heavy rain on 12 September 2021. Severe flooding affected areas on the southern outskirts of the city, in particular Trademoore, Light Gold, Wisdom and Lugbe. 4 people lost their lives and 26 vehicles were swept away, damaged or destroyed. A total of 166 houses were damaged.

Wildfires

Wildfires – California, USA

A pair of lightning-sparked fires that took hold in rugged terrain in the Sequoia and Kings Canyon national parks exploded over the weekend, while another blaze to the south burned into a grove of giant sequoia trees, sending smoke billowing above popular tourist destinations and forcing closures in the area.

All three fires ignited Thursday after a series of thunderstorms rolled in, sending more than 130 lighting strikes into the southern Sierra Nevada mountains and sparking the Paradise and Colony fires in the two parks. Collectively called the KNP Complex, the fires have since seared 1,037 acres with no containment, forcing the closure of the Sequoia National Park while the Kings Canyon side remained open.

A separate blaze, dubbed the Windy fire, had seared 974 acres in the adjoining Sequoia National Forest. It had burned into the Peyrone Sequoia grove, part of the Giant Sequoia National Monument.

Earthquakes

Magnitude 5+ Earthquakes – Global

5.8 earthquake hits Jujuy, Argentina.

5.4 earthquake hits Tonga.

5.2 earthquake hits southern Sumatra, Indonesia.

5.1 earthquake hits northeastern Iran.

5.1 earthquake hits the South Sandwich Islands.

Storms and Floods

Tropical Storms – Roundup of Tropical Storms:

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In the Atlantic Ocean: Tropical Storm Nicholas is located about 45 mi…75 km se of mouth of the Rio Grande and about 200 mi…325 km s of Port O’Connor Texas with maximum sustained winds…60 mph…95 km/h. Present movement…nnw or 345 degrees at 14 mph…22 km/h

In the northwest Pacific Ocean: Tropical depression (ts) 18w (Conson), located approximately 59 nm southeast of Da Nang, Vietnam, is tracking northwesttward at 01 knot.

Typhoon 19w (Chanthu), located approximately 102 east-southeast of Shanghai, China, is tracking northward at 17 knots.

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Newsbytes:

Vietnam – Storm Conson brought torrential rain to parts of Vietnam from 10 September, triggering flash floods which resulted in 2 fatalities and hundreds of homes damaged. In a period from 10 to early 13 September, Storm Conson dumped 908 mm of rain in Binh Tan, Quang Ngai Province. The worst of the flooding was in Quang Ngai, where 775 houses were damaged.

Pakistan – At least 20 people have died after torrential monsoon rains and mudslides hit areas of Khyber Pakhtunkhwa Province in northwestern Pakistan early from 08 September 2021. Meanwhile disaster authorities in the country report that over 160 people have now died in rain-related incidents since the start of this year’s monsoon. In Torghar district, 13 bodies have been recovered from the debris of a mudslide which swept away two houses and damaged several others.

Guinea – At least 5 people have died and thousands left homeless after heavy rain and floods caused severe damage in areas of Guinea from late August. Heavy rain fell over most of the country from 30 to 31 August, causing flooding in the prefectures of Siguiri, Guéckédou, and in the capital Conakry. Almost 70,000 people from around 10,000 households have been affected.