Volcanoes

Strong explosive activity continues at Santa Maria volcano, Guatemala

Strong explosive activity continues at Guatemala's Santa Maria volcano. New explosions at Caliente cone, part of Santa María's Santiaguito lava-dome complex, generated pyroclastic flows on May 2 that descended east and west of the volcanic complex....

May 03, 2016

New cycle of eruptions closes off Turrialba volcano, Costa Rica

Due to the start of a new cycle of eruptions, access to the Turrialba volcano has been closed off, with a 5-km (3.1 miles) perimeter established, Costa Rica's emergency management office announced on May 1, 2016. After an increase in seismic activity on April...

May 02, 2016

Increased seismic activity under Turrialba volcano, Costa Rica

The Volcanological and Seismological Observatory of Costa Rica (OVSICORI-UNA) reported that the seismic activity at the Turrialba volcano has increased on April 28, 2016. The Observatory recalled that last Saturday, April 23, nearly 75 earthquakes took place in less...

April 29, 2016

Volcanic earthquake swarm and lake heating observed at Ruapehu, New Zealand

A volcanic earthquake swarm is being recorded beneath the Crater Lake of Mount Ruapehu since April 26, 2016, GeoNet reports. Swarms of volcanic earthquakes like these are uncommon on Ruapehu in recent years. The most recent eruption of this volcano occured on...

April 29, 2016

Active volcanoes in the world: April 20 - 26, 2016

New activity/unrest was observed at 9 volcanoes between April 20 and 26, 2016. During the same period, ongoing activity was reported for 15 volcanoes. New activity/unrest: Bagana, Bougainville (Papua New Guinea) | Cleveland, Chuginadak Island (USA) | Kerinci,...

April 28, 2016

Mount Karangetang erupts sending lava flows 2 km from crater, Indonesia

North Sulawesi's Mount Karangetang, Indonesia erupted around 09:00 UTC on April 27, 2016, and continued emitting ash on April 28. Head of Sitaro Disaster Mitigation Agency (BPBD), Bob Chalton Wuaten, said the lava from the volcano started flowing at around 17:00...

April 28, 2016

Minor eruption at White Island, alert level raised, New Zealand

A minor eruption occurred at New Zealand's White Island (Whaakari) about 09:50 UTC on April 27, 2016 (21:50 NZST), GeoNet reports. As a consequence of this activity, the Volcanic Alert Level was raised to Level 3 (out of 5 / Minor volcanic eruption) and lowered...

April 28, 2016

White Island Crater Lake drops 2 m, unrest continues, New Zealand

Over the last couple of weeks, GNS scientists have observed a fall of 2 meters (6.5 feet) in the water level of the Crater Lake at White Island (Whakaari), New Zealand. However, they have not noted any changes in other monitored parameters like the amount of...

April 27, 2016

Strong explosions at Klyuchevskoy sent ash up to 9 km a.s.l., Russia

Strong explosions at Russia's Klyuchevskoy volcano sent ash up to 9 km (29 527 feet) above sea level around 13:40 UTC on April 23, 2016, KVERT reported today. The Aviation Color Code was increased to Orange. As of 02:28 UTC on April 24, ash cloud continues to...

April 24, 2016

Current eruptions at Santa Maria (Santiaguito) the strongest in recent years, Guatemala

In a special report published 15:40 UTC on April 23, INSIVUMEH reported that Santa Maria (Santiaguito) volcano is experiencing the highest level of explosive activity observed in recent years, with violent eruptions accompanied by ash columns reaching 4.5 - 5 km (14...

April 23, 2016

Strong eruption of San Cristobal volcano, Nicaragua

A new eruption of San Cristobal volcano, Nicaragua started at 16:20 UTC on April 22, 2016. Over the next 2 hours, 10 explosions were observed. The last time this volcano erupted was on June 12, 2015. Yesterday's explosion expelled columns of ash, gas and rock...

April 23, 2016

Active volcanoes in the world: April 13 - 19, 2016

New activity/unrest was reported for 7 volcanoes between April 13 and 19, 2016. During the same period, ongoing activity was reported for 16 volcanoes. New activity/unrest: Aira, Kyushu (Japan) | Cleveland, Chuginadak Island (USA) | Kerinci, Indonesia |...

April 20, 2016

Strong eruption of Santa Maria produces moderate to strong ashfall, Guatemala

Santa Maria's Santiaguito lava-dome complex located in the western province of Quetzaltenango, Guatemala produced another strong eruption on April 19, 2016. The event was accompanied by moderate to strong ashfall affecting areas in the radius between 6 and 25 km...

April 20, 2016

Ash storm engulfs Puebla after large strombolian eruption of Popocatépetl volcano, Mexico

A large strombolian eruption, lasting several hours and characterized by emission of incandescent fragments and tall ash columns, occurred at Popocatépetl volcano, Mexico on April 18, 2016. The eruption started at 07:32 UTC (02:32 local time), gradually...

April 19, 2016

Active volcanoes in the world: April 6 - 12, 2016

New activity/unrest was observed at 6 volcanoes between April 6 and 12, 2016. During the same period, ongoing activity was observed at 16 volcanoes. New activity/unrest: Kerinci, Indonesia | Klyuchevskoy, Central Kamchatka (Russia) | Langila, New Britian (Papua...

April 14, 2016

Santa Maria eruption creates pyroclastic flows, ash to 6 km a.s.l., Guatemala

Guatemala's Santa Maria volcano erupted around 12:15 UTC on April 11, 2016, generating pyroclastic flows and sending ash up to 6 km (20 000 feet) above sea level. Volcanic ash at 4.2 km (14 000 feet) is 185 km (115 miles) west of summit while volcanic ash at 6...

April 12, 2016

Active volcanoes in the world: March 30 - April 5, 2016

New activity/unrest was observed at 9 volcanoes between March 30 and April 5, 2016. During the same period, ongoing activity was observed at 19 volcanoes. New activity/unrest: Chikurachki, Paramushir Island (Russia) | Kanlaon, Philippines | Kerinci, Indonesia |...

April 07, 2016