Volcanoes activities Information HEWS, Humanitarian Early Warning Service

A Service of the Inter-Agency Standing Committee SWG on Preparedness

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Cleveland (United States)
AVO reported that during 8-9 May no further explosions had been detected at Cleveland based on regional infrasonic data. Cloud cover prevented satell... More
Copahue (Chile)
OVDAS-SERNAGEOMIN reported that an explosion from Copahue at 1015 on 7 May recorded by a webcam produced a gas, steam, and ash plume that rose 350 m ... More
Guntur (All)
CVGHM reported that in early March a slight increase of deep and shallow volcanic-tectonic earthquakes at Guntur was recorded; volcanic tremor became... More
Mayon (All)
At 0800 on 8 May, PHIVOLCS reported that two rockfalls at Mayon had been detected within the previous 24 hours. Seismicity remained within background... More
Pavlof (All)
AVO reported that on 13 May seismicity at Pavlof increased at 0800 commensurate with the presence of an intense thermal anomaly at the summit observe... More
Popocatépetl (Mexico)
CENAPRED reported that an episode of high-amplitude spasmodic tremor detected at Popocatépetl began between 1928 on 7 May and 0159 on 8 May. The seis... More
Tungurahua (Ecuador)
IG reported that although cloud cover often prevented observations of Tungurahua during 8-14 May, ash plumes were observed almost daily. Seismicity r... More

Kilauea (United States)
During 8-14 May HVO reported that the circulating lava lake occasionally rose and fell in the deep pit within Kilauea's Halema'uma'u Crater. The plum... More
Kizimen (Russia)
KVERT reported that during 3-10 May moderate seismic activity continued at Kizimen. Video and satellite data showed that lava continued to extrude fr... More
Paluweh (All)
Based on analyses of satellite imagery and wind data, the Darwin VAAC reported that on 13 May ash plumes from Paluweh rose to an altitude of 2.1 km (... More
Reventador (Ecuador)
IG reported that during the morning of 8 May incandescence from Reventador's crater was observed in addition to steam-and-ash plumes that rose 1 km a... More
Sabancaya (All)
On 10 May Instituto Geofísico de Perú (IGP) reported that results of an interferogram of Sabancaya provided by a collaborator at Cornell University s... More
Sakura-jima (Japan)
JMA reported that during 7-10 May eight explosions from Sakura-jima's Showa Crater ejected tephra that fell at most 1.8 km from the crater. Crater in... More
Shiveluch (Russia)
Based on visual observations and analyses of satellite data, KVERT reported that during 3-10 May a viscous lava flow effused on the NW and NE flanks ... More
Tolbachik (All)
KVERT reported that the S fissure along the W side of Tolbachinsky Dol, a lava plateau on the SW side of Tolbachik, continued to produce very fluid l... More

Analytical Briefs are compiled by WFP Early Warning Team. Subscribe to the early warning mailing list.

published 19 December 2012
Volcano activity prompts evacuations
Ecuador, Tungurahua, one of South America's most active volcanoes began to erupt again last week. On 16 December, plumes rose as high as 5 km above the cr...More