New activity/unrest was observed at 4 volcanoes from July 22 – 28, 2015. During the same period, ongoing activity was observed at 17 volcanoes. New activity/unrest: Chirinkotan, Kuril Islands (Russia) | Cleveland, Chuginadak Island (USA) | Kick 'em Jenny, North of
Landslides in Nepal, caused by the heavy rainfall on Thursday, July 30, killed at least 30 people in the villages near Pokhara town, while 42 others remain missing.Heavy rainfall affected western Nepal over the last couple of days. 116 mm (4.56 inches) of rain was measu
The halos are caused by light refraction and reflection of millions of tiny ice crystals in high cirrus clouds. These high, thin clouds appear about 6 km (20 000 feet) or more above the ground, and are usually accompanied by a storm shortly after..Ice crystals in cirrus
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Images acquired by SECCHI/HI-1 telescope aboard the solar-observing STEREO-B spacecraft have revealed strange streaming clumps from unusually dusty Comet C/2011 L4 (Pan-STARRS). This discovery could hold secrets to how comets create their beautiful, sweeping, striated t
A strong hail event hit Custer, South Dakota, on Monday, July 27, 2015. The area was covered with 15.23 cm (6 inches) thick layer of hail balls, the size of which measured about 2.54 cm (1 inch) in diameter.Mammatus clouds, prior to hailstorm. Image credit: Marcia Samul
Today, physicist Wal Thornhill continues his discussion of NASA’s New Horizons mission to the dwarf planet Pluto. The mission has already provided a number of surprises for planetary scientists.The tiny planet’s geological activity, its apparent age, the stu
Severe rainstorms continue to batter western India, causing floods and damage across the states of Gujarat, Rajasthan and Madhya Pradesh.2 000 villages were affected in the Gujarat state, 12 villages have been flooded in the Jalore district, while 53 helicopter rescue o
Floods triggered by heavy rains in northern Vietnam have claimed 11 lives, damaged nearly 3 000 houses and made thousands to fled to safety, authorities said on Tuesday, July 28, 2015.Quang Ninh province received more than 100 mm (3.93 inches) on Monday, July 27,
A warm spell triggered a destructive glacial lake outburst flood along the Kargalinka River threathening residents of Almaty, the largest city in Kazakhstan, earlier this month. A state of emergency has been declared across the affected areas of Almaty.NASA's Earth
A strong earthquake registered as M6.3 hit Southern Alaska, US at 02:35 UTC on July 29, 2015. USGS is reporting depth of 116.6 km (72.5 miles). EMSC is reporting M6.3 at a depth of 103 km (64 miles).Epicenter was located, 15 km (9 miles) SSW of Iliamna Volcano, 68 km (4
