Report on Talang (Indonesia) — June 2002
Bulletin of the Global Volcanism Network, vol. 27, no. 6 (June 2002)
Managing Editor: Richard Wunderman.
Talang (Indonesia) Small explosion earthquakes dominate through June 2002
Please cite this report as:
Global Volcanism Program, 2002. Report on Talang (Indonesia). In: Wunderman, R (ed.), Bulletin of the Global Volcanism Network, 27:6. Smithsonian Institution. https://dx.doi.org/10.5479/si.GVP.BGVN200206-261160.
0.979°S, 100.681°E; summit elev. 2575 m
All times are local (unless otherwise noted)
During 11 March-16 June 2002 at Talang, seismicity was dominated by small explosion earthquakes (table 4). A thin white plume reached 50-100 m above the summit and sometimes drifted E. Hotspring temperatures were 42-64°C. As of 13 May, the Volcanological Survey of Indonesia (VSI) reported that no seismic data were available because of a broken seismograph. During April and early May seismicity had been decreasing. Talang remained at Alert Level 2 (on a scale of 1-4) throughout the report period.[Skip text table]
Date (2002) Deep volcanic Shallow volcanic Small Tectonic (A-type) (B-type) explosion 11 Mar-17 Mar 1 17 61 14 18 Mar-24 Mar 2 -- 120 9 25 Mar-31 Mar 2 -- 120 13 01 Apr-07 Apr 2 -- 63 5 08 Apr-14 Apr 1 -- 23 12 15 Apr-21 Apr 3 -- -- 6 22 Apr-28 Apr 6 -- -- 7 29 Apr-05 May 4 -- -- 14 06 May-12 May 3 -- -- 3
Geologic Background. Talang, which forms a twin volcano with the extinct Pasar Arbaa volcano, lies ESE of the major city of Padang and rises NW of Dibawah Lake. Talang has two crater lakes on its flanks; the largest of these is 1 x 2 km wide Danau Talang. The summit exhibits fumarolic activity, but which lacks a crater. Historical eruptions have mostly involved small-to-moderate explosive activity first documented in the 19th century that originated from a series of small craters in a valley on the upper NE flank.
Information Contacts: Volcanological Survey of Indonesia (VSI), Jalan Diponegoro No. 57, Bandung 40122, Indonesia (URL: http://www.vsi.esdm.go.id/).