August 08, 2013 - WORLDWIDE VOLCANOES - The following constitutes the new activity, unrest and ongoing reports of volcanoes across the globe.
Kizimen (Kamchatka): KVERT reports continuing growth of the lava dome, accompanied by hot avalanches and strong degassing.
Rabaul (Tavurvur) (New Britain, Papua New Guinea): Weak to moderate eruptive activity continues, characterized by frequent explosions and ash emissions from the Tavurvur cone:
RVO reported that during 22-31 July low-level activity consisted of discrete emissions of pale gray ash plumes occurring at short intervals. Some emissions were explosive and generated plumes that rose 2 km above the crater. Plumes drifted E, NE, N, NW, W, and SW, and deposited minor amounts of fine white and gray ash in areas downwind mainly between Namanula and Malaguna No. 1 (with Rabaul Town, 3-5 km NW, in between), and to a lesser extent between the Vulcan area and Malaguna No. 2. Roaring and rumbling noises also continued, often in conjunction with explosions... [read more]
Popocatépetl (Central Mexico): Activity has been stable with little changes. The rate of emissions decreased yesterday to about 1-2 per hour, but some small to moderate explosions still occur from time to time, producing ash plumes up to about 1.5 km height.
Manam (Papua New Guinea): RVO reported that activity at Manam's Southern and Main craters remained low during 22-31 July; observers noted white vapor plumes rising from the craters during periods of clear weather. Considerable amounts of blue vapor rose from Southern Crater during 25-26 July.
Deep and low booming noises were heard on the island on most days since 24 July, however, on 30 July a loud explosion was heard in Bogia, 25-30 km SSW of Manam on the N coast of the mainland. Seismicity fluctuated but remained high... [read more]
Veniaminof (Alaska Peninsula, USA): Seismic activity remains above background levels and is characterized by intermittent bursts of tremor. Clouds obscured observations of the volcano in satellite and web camera images, so it is unclear whether low-level eruptive activity is continuing. (AVO)
Chirpoi (Kurile Islands, Russia): SVERT maintains yellow alert level, but could not obtain satellite data during the past week to determine whether activity continued.
Ketoi (Kurile Islands, Russia): Steam-gas emissions and a thermal anomaly continue to be detected from satellite data when atmospheric conditions allow.
Chirinkotan (Northern Kuriles): A steam and gas plume remains visible sometimes on satellite data, suggesting that activity (lava effusion?) continues.
Tolbachik (Kamchatka): Activity has remained stable during the past week. Lava continues to be erupted from the fissure vent on the south side of Tolbachik Dol, feeding two flow fields to the west and south.
Sakurajima (Kyushu, Japan): The volcano has been stepping up its activity again over the past 2 days. Yesterday alone, at least 6 explosions were registered by VAAC Tokyo, with plumes reaching up to 11,000 ft (3,4 km) altitude.
Complete Earthquake list (worldwide) forAugust 8, 2013.
- Volcano Discovery.
Kizimen (Kamchatka): KVERT reports continuing growth of the lava dome, accompanied by hot avalanches and strong degassing.
Rabaul (Tavurvur) (New Britain, Papua New Guinea): Weak to moderate eruptive activity continues, characterized by frequent explosions and ash emissions from the Tavurvur cone:
RVO reported that during 22-31 July low-level activity consisted of discrete emissions of pale gray ash plumes occurring at short intervals. Some emissions were explosive and generated plumes that rose 2 km above the crater. Plumes drifted E, NE, N, NW, W, and SW, and deposited minor amounts of fine white and gray ash in areas downwind mainly between Namanula and Malaguna No. 1 (with Rabaul Town, 3-5 km NW, in between), and to a lesser extent between the Vulcan area and Malaguna No. 2. Roaring and rumbling noises also continued, often in conjunction with explosions... [read more]
Popocatépetl (Central Mexico): Activity has been stable with little changes. The rate of emissions decreased yesterday to about 1-2 per hour, but some small to moderate explosions still occur from time to time, producing ash plumes up to about 1.5 km height.
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| Ash eruption from Popocatépetl yesterday (CENAPRRED webcam). |
Manam (Papua New Guinea): RVO reported that activity at Manam's Southern and Main craters remained low during 22-31 July; observers noted white vapor plumes rising from the craters during periods of clear weather. Considerable amounts of blue vapor rose from Southern Crater during 25-26 July.
Deep and low booming noises were heard on the island on most days since 24 July, however, on 30 July a loud explosion was heard in Bogia, 25-30 km SSW of Manam on the N coast of the mainland. Seismicity fluctuated but remained high... [read more]
Veniaminof (Alaska Peninsula, USA): Seismic activity remains above background levels and is characterized by intermittent bursts of tremor. Clouds obscured observations of the volcano in satellite and web camera images, so it is unclear whether low-level eruptive activity is continuing. (AVO)
Chirpoi (Kurile Islands, Russia): SVERT maintains yellow alert level, but could not obtain satellite data during the past week to determine whether activity continued.
Ketoi (Kurile Islands, Russia): Steam-gas emissions and a thermal anomaly continue to be detected from satellite data when atmospheric conditions allow.
Chirinkotan (Northern Kuriles): A steam and gas plume remains visible sometimes on satellite data, suggesting that activity (lava effusion?) continues.
Tolbachik (Kamchatka): Activity has remained stable during the past week. Lava continues to be erupted from the fissure vent on the south side of Tolbachik Dol, feeding two flow fields to the west and south.
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| MODIS hot spot data (past 7 days) for Tolbachik volcano (ModVolc, Univ. Hawaii) |
Sakurajima (Kyushu, Japan): The volcano has been stepping up its activity again over the past 2 days. Yesterday alone, at least 6 explosions were registered by VAAC Tokyo, with plumes reaching up to 11,000 ft (3,4 km) altitude.
Complete Earthquake list (worldwide) forAugust 8, 2013.
- Volcano Discovery.
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