A large earthquake swarm is currently underway in Long Valley caldera, Mammoth Lake region of California U.S., east of the Sierra Nevada mountains. The swarm started on Thursday, September 25, 2014, and it is one of the largest earthquake swarms in this region in the pa
Japan's Mount Ontake volcano suddenly erupted shortly before noon local time today (03:00 UTC) spewing ash high into the sky and down the mountains' slope for more than 3 km. Tokyo VAAC reported ash plume rising up to 11 km (37 000 feet) and drifting East at…
New activity/unrest was observed at 6 volcanoes from September 17 – 23, 2014. Ongoing activity was observed at 12 volcanoes.New activity/unrest: Bardarbunga, Iceland | Mayon, Luzon (Philippines) | Rabaul, New Britian (Papua New Guinea) | Rincon de la Vieja, Costa Ric
After 3 months of being relatively quiet Indonesian Mount Sinabung erupted again on September 23, 2014, spewing hot ash up to two km to the southeast, official said. The eruption started at 13:43 local time on September 24 (06:43 UTC) and lasted for a full 907 seconds,
A powerful eruption was observed at Russian Shiveluch volcano at 00:41 UTC on September 24, 2014. Ash plume rose up to 11 km (38 000 feet) altitude.The eruption generated several pyroclastic flows, some of which surpassed the 350 m high western caldera wall.The explosio
Costa Rica's Rincon de la Vieja volcano is showing signs of increased activity since September 17, 2014. Phreatic explosions have regularly occurred from the main crater which contains an acid lake. An aerial survey on Friday showed no fresh deposits, which suggests
Hawaii issued a state of emergency for its Kilauea Volcano on September 4, 2014. As the lava flow that started during the June 27th eruption continues to advance toward populated areas residents are urged to finalize their evacuation plans.Potentially-lethal concentrati
New activity/unrest was observed at 8 volcanoes from September 10 – 16, 2014. Ongoing activity was observed at 17 volcanoes.New activity/unrest: Askja, Iceland | Asosan, Kyushu (Japan) | Bardarbunga, Iceland | Kuchinoerabujima, Ryukyu Islands (Japan) | Kusatsu-Shira
As the lava started to drip down the slopes of Mayon Volcano and PHIVOLCS raised the alert level to three (3) out of five (5), 10 000 people were ordered to evacuate on September 16, 2014. No exemption nor extension of time were given to stubborn and defiant residents l
After a series of small earthquakes and rockfalls observed on September 15 at the Mayon volcano scientists warned a new eruption could happen within few weeks. Magma is now observable in the crater and authorities said evacuations will be ordered.According to PHIVOLCS r
