New activity/unrest was observed at 6 volcanoes from April 15 – 21, 2015. During the same period, ongoing activity was observed at 15 volcanoes.New activity/unrest: Chikurachki, Paramushir Island (Russia) | Raung, Eastern Java (Indonesia) | Sinabung, Indonesia | Tongari
A major explosive eruption started at Chile's Calbuco volcano at 21:05 UTC on April 22, 2015 (18:05 local time). By 22:08 UTC, ash plume rose up to 12.1 km (40 000 feet), Buenos Aires VAAC reported. Aviation Color Code was raised to Red. The last eruption of this vo
A strong earthquake registered by the Geoscience Australia as M6.1 hit off the coast of Santa Cruz Islands, Temotu Province of the Solomon Islands at 22:57 UTC on April 22, 2015. The agency is reporting depth of 105 km (65.2 miles). USGS is reporting it as M6.3 at a dep
How is lightning initiated in thunderclouds? This is difficult to answer – how do you measure electric fields inside large, dangerously charged clouds? It was discovered, more or less by coincidence, that cosmic rays provide suitable probes to measure electric fields wi
According to present plans, the Grand Ethiopian Renaissance Dam (GERD) — now under construction across the Blue Nile River in Ethiopia — will be the largest hydroelectric dam in Africa, and one of the 12 largest in the world. But controversy has surrounded t
At least 32 people have died and more than 80 injured after nor'wester hit three Bihar districts on Tuesday night, April 21, 2015. The storm uprooted several thousand trees, damaged powerlines and destroyed thousands of huts and standing crops of maize, wheat and pu
Researchers have long known that there was water in the form of ice on Mars. Now, new research from NASA’s Mars rover Curiosity shows that it is possible that there is liquid water close to the surface of Mars. The explanation is that the substance perchlorate
Over the past 24 hours, the Sydney, Central Coast, and Hunter regions of New South Wales have experienced very heavy rain, gale-force winds with gusts over 100 km per hour, and waves of more than 10 m in height.For Sydney it was the wettest single day since February 200
A giant sinkhole has appeared in Siberia's Novokuznetsk region recently, some 3 500 km from other craters found in Arctic Russia in recent months. The new crater measures around 20 meters in diameter and around 25 to 30 meters in depth.The Siberian Times reports:Ini
Departing Region 2322 produced two M-class solar flares by 12:00 UTC on April 21, 2015. The first one started at 07:08, peaked at 07:20 as M1.1 and ended at 07:27 UTC. Its second M-class flare of the day started at 11:49, peaked at 11:57 as M2.2 (R1 – Minor Radio Blacko
