Worldwide Volcano News and Updates

Based on visual observations and analyses of satellite data, KVERT reported that during 24-31 May a viscous lava flow effused on the N flank of Shiveluch's lava dome, accompanied by hot avalanches, incandescence, and fumarolic activity. Satellite imagery showed a daily thermal anomaly on the lava dome. The Aviation Color Code remained at Orange. Read all

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INSIVUMEH reported that on 29 May white gas plumes rose 200 m above Santa María's Santiaguito lava-dome complex and drifted W. Avalanches occurred on the NE and S flanks of the dome. An explosion on 30 May generated an ash plume that rose 500 m; ashfall was reported in Calahuaché village. Read all

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The Washington VAAC reported that on 1 June gas emissions from Reventador possibly contained diffuse ash. Ash was not detected in satellite images. Read all

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RVO reported that during 17-31 May white vapor plumes sometimes containing fine ash rose at most 800 m from Rabaul caldera's Tavurvur cone and drifted NW and SE. Ashfall was reported in areas downwind including Rabaul town (3-5 km NW). Roaring and rumbling noises also continued. Read all

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OVSICORI-UNA reported that during May temperatures of the cryptodome at Poás were high enough to produce nighttime incandescence. Maximum temperatures of 575 and 450 degrees Celsius were recorded on 8 and 30 May, respectively. Activity of the lake was very similar to that reported for May 2012, characterized by sporadic phreatic eruptions and a slow decline in the water level. Read all

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INSIVUMEH reported that incandescence from Pacaya's crater was observed late at night on 28 May. Weather conditions prevented observations the next day. On 30 May a small effusive eruption occurred for about two hours. Read all

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KVERT reported that during 24-31 May moderate seismic activity continued at Kizimen. Video and satellite data showed that lava continued to extrude from the summit, producing incandescence, strong gas-and-steam activity, and hot avalanches on the W and E flanks. A thermal anomaly was detected daily in satellite images. Read all

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During 29 May-4 June HVO reported that the circulating lava lake occasionally rose and fell in the deep pit within Kilauea's Halema'uma'u Crater. The plume from the vent continued to deposit variable amounts of ash, spatter, and Pele's hair onto nearby areas. Read all

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KVERT reported that weak seismic activity was detected at Karymsky during 25-26 May; technical problems prevented seismic data collection on the other days during 24-31 May. Satellite data showed a thermal anomaly on the volcano on 25 and 28 May, during periods of clearer weather conditions. The Aviation Color Code remained at Orange. Read all

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INSIVUMEH reported that rumbling and sounds resembling jet engines were heard from Fuego during 28-30 May; cloud cover often inhibited visual observations of the crater. On 29 May a lahar carrying blocks up to 50 cm in diameter traveled SE down the Las Lajas and El Jute drainages. On 30 May a plume was observed rising 200 m above the crater and drifting S. Read all

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