RSS feed source: US National Weather Service

At 1002 AM EDT, Doppler radar was tracking a strong thunderstorm over Zion Hill, or 11 miles south of Williamsburg, moving east at 35 mph. HAZARD…Wind gusts up to 50 mph and half inch hail. SOURCE…Radar indicated. IMPACT…Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Locations impacted include… New Tazewell, Harrogate, Jellico, Springdale, Cumberland Gap, Arthur, Indian Mountain State Park, Clairfield, and White Oak.

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RSS feed source: US National Weather Service

Thu, 4 Sep 2025, 14:01 | BY: EARTHQUAKEMONITOR

Just 8 minutes ago, a 4.7-magnitude earthquake struck near Padangsidempuan, Kota Padangsidimpuan, North Sumatra, Indonesia. The tremor was recorded in the evening on Thursday, September 4th, 2025, at 8:52 pm local time, at an intermediate to considerable depth of 164. km below the surface.
The event was filed by Indonesia’s Meteorology, Climatology, and Geophysical Agency, the first seismological agency to report it.
Towns or cities near the epicenter where the quake might have been felt as very weak shaking include Padangsidempuan (pop. 236,200) located 31 km from the epicenter, Bandar (pop. 31,400) 61 km away, Tarutung (pop. 39,500) 65 km away, Sibolga (pop. 91,300) 70 km away, Rantauprapat (pop. 103,000) 71 km away, and Parmonangan (pop. 13,000) 94 km away.
VolcanoDiscovery will automatically update magnitude and depth if these change and follow up if other significant news about the quake become available. If you’re in the area, please send us your experience through our reporting mechanism, either online or via our mobile app. This will help us provide more first-hand updates to anyone around the globe who wants to know more about this quake.

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RSS feed source: US National Weather Service

The U.S. National Science Foundation National Quantum Virtual Laboratory (NSF NQVL) is coming into sharper focus with the selection of the first four teams that will design high-tech infrastructure to be broadly used across the country. NSF is investing $16 million in the four teams, with each receiving $4 million over two years. The NSF NQVL initiative is an ambitious effort to accelerate the development of useful quantum technologies by providing researchers anywhere in the U.S. with access to specialized resources.

The teams selected by NSF will design practical ways to expand access to the hardware and software needed for quantum science, engineering and technology development, which are currently highly bespoke and concentrated in relatively few labs. Among the design projects are plans to create shareable, networked quantum computers that can be used for experimentation from any location and a “digital twin” (a dynamic simulation that changes and responds to inputs) of a quantum computer that can be used by any U.S. researcher to test and refine new quantum algorithms.

“The National Quantum Virtual Laboratory is a critical bridge between basic discovery and deployment, specifically focused on turning America’s leadership in fundamental quantum science into practical technologies, products, and systems that will strengthen our nation’s competitiveness and ensure U.S. dominance in this field for decades to come,” said Brian Stone, performing the duties of

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RSS feed source: US National Weather Service

In-brief analysis

September 4, 2025

U.S. imports of biodiesel and renewable diesel significantly decreased in the first half of 2025 (1H25) compared with the same period in previous years. This decline is primarily due to the loss of tax credits for imported biofuels and generally lower domestic consumption of these fuels.

Renewable diesel and biodiesel are biomass-based diesel fuels that can replace petroleum-based distillate and be used to comply with the Renewable Fuel Standard (RFS) blending requirements for refiners administered by the U.S. Environmental Protection Agency.

In 1H25, U.S. biodiesel imports averaged 2,000 barrels per day (b/d), a sharp drop from 35,000 b/d in 1H24. Renewable diesel imports averaged 5,000 b/d, down from 33,000 b/d in 1H24. These import levels were the lowest for the first half of any year since 2012, when U.S. biodiesel consumption was

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