Monthly Archives: July 2008

Ubinas, Peru

Based on SIGMET reports, the Buenos Aires VAAC reported that ash plumes from Ubinas rose to altitudes of 5.5-5.8 km (18,000-19,000 ft) a.s.l. on 23 July and drifted SE. Sources: Buenos Aires Volcanic Ash Advisory Center (VAAC) – “Reports provided … Continue reading

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Tungurahua, Ecuador

The IG reported that during 22-23 July, explosions from Tungurahua were detected by the seismic network. An ash plume rose to an altitude of 9 km (29,500 ft) a.s.l. On 25 July, lahars descended two drainages on the W flank. … Continue reading

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Suwanose-Jima, Ryukyu Islands, Japan

Based on pilot reports, the Tokyo VAAC reported that on 30 July an ash plume from Suwanose-jima rose to an altitude of 0.6 km (2,000 ft) a.s.l. and drifted S. Source: Tokyo Volcanic Ash Advisory Center (VAAC) – “Reports provided … Continue reading

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Semeru, Eastern Java, Indonesia

The Darwin VAAC reported that on 27 July an ash plume at an altitude of 4.3 km (14,000 ft) a.s.l. was spotted by a pilot in the vicinity of Semeru. Ash was not identified on satellite imagery. Source: Darwin Volcanic … Continue reading

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Santa María, Guatemala

INSIVUMEH reported that on 22 July seismic stations monitoring Santa María’s Santiaguito lava dome complex detected a lahar below the S flank in the Nima I river. Explosions observed on 23, 28, and 29 July from Caliente cone produced ash … Continue reading

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Sakura-Jima, Japan

Based on information from JMA, the Tokyo VAAC reported that during 25-28 July ash plumes from Sakura-jima rose to altitudes of 2.4-4.3 km (8,000-14,000 ft) a.s.l. and drifted N, NE, and S. Source: Tokyo Volcanic Ash Advisory Center (VAAC) – … Continue reading

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Rabaul, Papua New Guinea

Based on observations of satellite imagery and information from RVO, the Darwin VAAC reported that during 23-24 and 26-29 July ash plumes from Rabaul caldera’s Tavurvur cone rose to altitudes of 1.5-3 km (5,000-10,000 ft) a.s.l. and drifted W and … Continue reading

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