Tandikat

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  • Indonesia
  • Indonesia
  • Stratovolcano(es)
  • 1924 CE
  • Country
  • Volcanic Region
  • Primary Volcano Type
  • Last Known Eruption
  • 0.433°S
  • 100.317°E

  • 2438 m
    7997 ft

  • 261150
  • Latitude
  • Longitude

  • Summit
    Elevation

  • Volcano
    Number

Most Recent Weekly Report: 22 January-28 January 2003


On 20 January a felt earthquake occurred at Tandikat, which was followed by a significant number of volcanic earthquakes. This led VSI to raise the Alert Level to 2 (on a scale of 1-4) on 25 January.

Source: Pusat Vulkanologi dan Mitigasi Bencana Geologi (PVMBG, also known as CVGHM)


Most Recent Bulletin Report: September 2003 (BGVN 28:09)


Brief episode of increased seismicity during January-February 2002

Volcanic seismicity at Tandikat increased significantly following a felt event (MM III) on 20 January 2002 (table 1). Deep-volcanic earthquakes totaled 149 during the week of 20-26 January, a period when 174 tectonic events were also recorded. Both types of earthquakes decreased significantly the next week, and gradually declined further over the following two weeks. The weekly report for 27 January-2 February noted that visual observations were not possible due to thick fog. The hazard status was set at Alert Level 2 (on a scale of 1-4) on 25 January 2002 and remained at that level through 16 February.

Information Contacts: Dali Ahmad, Volcanological Survey of Indonesia (VSI), Jalan Diponegoro No. 57, Bandung 40122, Indonesia (Email: dali@vsi.esdm.go.id, URL: http://www.vsi.esdm.go.id/).

Index of Weekly Reports


2003: January

Weekly Reports


22 January-28 January 2003

On 20 January a felt earthquake occurred at Tandikat, which was followed by a significant number of volcanic earthquakes. This led VSI to raise the Alert Level to 2 (on a scale of 1-4) on 25 January.

Source: Pusat Vulkanologi dan Mitigasi Bencana Geologi (PVMBG, also known as CVGHM)


Index of Bulletin Reports


Reports are organized chronologically and indexed below by Month/Year (Publication Volume:Number), and include a one-line summary. Click on the index link or scroll down to read the reports.

08/2003 (BGVN 28:08) Increased seismicity during January 2003

09/2003 (BGVN 28:09) Brief episode of increased seismicity during January-February 2002




Bulletin Reports

All information contained in these reports is preliminary and subject to change.


08/2003 (BGVN 28:08) Increased seismicity during January 2003

Seismic activity at Tandikat increased significantly over the week of 20-26 January 2003. One felt earthquake (III on the MMI scale) on 20 January was followed by a significant number of deep volcanic earthquakes. The number of both volcanic and tectonic earthquakes resulted in the volcano's hazard status being upgraded to Alert Level 2 on 25 January. Seismic activity decreased over the period 27 January-16 February (table 1), but remained at an elevated level.

Table 1. Seismicity recorded at Tandikat, 13 January-16 February 2003. Data courtesy of VSI.

    Date (2002)     Shallow      Deep     Emission   Tremor   Tectonic
                    Volcanic   Volcanic

    13 Jan-19 Jan      --          6         --        --        22
    20 Jan-26 Jan       1        149         --         2       174
    27 Jan-02 Feb      --         46          4         1        54
    03 Feb-09 Feb      --         24          3        --        18
    10 Feb-16 Feb      --         19          5        --        15

Information Contacts: Dali Ahmad, Volcanological Survey of Indonesia (VSI), Jalan Diponegoro No. 57, Bandung 40122, Indonesia (URL: http://www.vsi. esdm.go.id/).
Download or Cite this Report

09/2003 (BGVN 28:09) Brief episode of increased seismicity during January-February 2002

Volcanic seismicity at Tandikat increased significantly following a felt event (MM III) on 20 January 2002 (table 1). Deep-volcanic earthquakes totaled 149 during the week of 20-26 January, a period when 174 tectonic events were also recorded. Both types of earthquakes decreased significantly the next week, and gradually declined further over the following two weeks. The weekly report for 27 January-2 February noted that visual observations were not possible due to thick fog. The hazard status was set at Alert Level 2 (on a scale of 1-4) on 25 January 2002 and remained at that level through 16 February.

Information Contacts: Dali Ahmad, Volcanological Survey of Indonesia (VSI), Jalan Diponegoro No. 57, Bandung 40122, Indonesia (Email: dali@vsi.esdm.go.id, URL: http://www.vsi.esdm.go.id/).
Download or Cite this Report

Tandikat and its twin volcano to the NNE, Singgalang, lie across the Bukittinggi plain from Marapi volcano. Volcanic activity has migrated to the SSW from Singgalang and only Tandikat has had historical activity. The summit of Tandikat has a partially eroded 1.2-km-wide crater containing a large central cone capped by a 360-m-wide crater with a small crater lake. The only three reported historical eruptions, in the late 19th and early 20th centuries, produced only mild explosive activity.

Summary of Holocene eruption dates and Volcanic Explosivity Indices (VEI).

Start Date Stop Date Eruption Certainty VEI Evidence Activity Area or Unit
1924 Apr 1924 Apr (?) Confirmed 1 Historical Observations
1914 May 31 Unknown Confirmed 1 Historical Observations
[ 1892 ] [ Unknown ] Uncertain    
1889 Feb 19 1889 Dec 4 Confirmed 1 Historical Observations Summit crater and upper NE flank

This compilation of synonyms and subsidiary features may not be comprehensive. Features are organized into four major categories: Cones, Craters, Domes, and Thermal Features. Synonyms of features appear indented below the primary name. In some cases additional feature type, elevation, or location details are provided.


Synonyms

Tandikai

Cones

Feature Name Feature Type Elevation Latitude Longitude
Singgalang Twin volcano 2877 m 0° 24' 0" S 100° 20' 0" E
The historically active Gunung Tandikat lies across the Bukittinggi plain from Marapi volcano in central Sumatra. The summit of Tandikat's twin volcano, Singgalang, is seen here from Bukittinggi city across the steep-walled Ngarai canyon north of the volcano. Gunung Tandikat contains a central cone and a small crater lake constructed within a larger 1.2-km-wide crater. Three small explosive eruptions, the last in 1924, have occurred in historical time.

Photo by Tom Casadevall, 1987 (U.S. Geological Survey).
Gunung Tandikat, rising above Kandang village on its southern flank, forms a twin volcano with Gunung Singgalang. The two volcanoes were constructed along a NNE-SSW line across from Marapi volcano. The summit cone, containing a 340-m-wide crater, was constructed within a larger 1.2-km-wide crater whose western rim forms the sharp peak below the summit.

Photo by Sumarma Hamidi, 1970 (Volcanological Survey of Indonesia).

The following references have all been used during the compilation of data for this volcano, it is not a comprehensive bibliography. Discussion of another volcano or eruption (sometimes far from the one that is the subject of the manuscript) may produce a citation that is not at all apparent from the title.

Kastowo, Leo G W, 1973. Geologic map of the Padang quadrangle, Sumatra. Geol Surv Indonesia, 1:250,000 scale.

Kusumadinata K, 1979. Data Dasar Gunungapi Indonesia. Bandung: Volc Surv Indonesia, 820 p.

Neumann van Padang M, 1951. Indonesia. Catalog of Active Volcanoes of the World and Solfatara Fields, Rome: IAVCEI, 1: 1-271.

Westerveld J, 1952. Quaternary volcanism on Sumatra. Geol Soc Amer Bull, 63: 561-594.

Volcano Types

Stratovolcano(es)

Tectonic Setting

Subduction zone
Continental crust (> 25 km)

Rock Types

Major
Andesite / Basaltic Andesite
Minor
Dacite

Population

Within 5 km
Within 10 km
Within 30 km
Within 100 km
130
38,799
604,282
4,022,932

Affiliated Databases

Large Eruptions of Tandikat Information about large Quaternary eruptions (VEI >= 4) is cataloged in the Large Magnitude Explosive Volcanic Eruptions (LaMEVE) database of the Volcano Global Risk Identification and Analysis Project (VOGRIPA).
WOVOdat WOVOdat is a database of volcanic unrest; instrumentally and visually recorded changes in seismicity, ground deformation, gas emission, and other parameters from their normal baselines. It is sponsored by the World Organization of Volcano Observatories (WOVO) and presently hosted at the Earth Observatory of Singapore.
EarthChem EarthChem develops and maintains databases, software, and services that support the preservation, discovery, access and analysis of geochemical data, and facilitate their integration with the broad array of other available earth science parameters. EarthChem is operated by a joint team of disciplinary scientists, data scientists, data managers and information technology developers who are part of the NSF-funded data facility Integrated Earth Data Applications (IEDA). IEDA is a collaborative effort of EarthChem and the Marine Geoscience Data System (MGDS).
Smithsonian Collections Search the Smithsonian's NMNH Department of Mineral Sciences collections database. Go to the "Search Rocks and Ores" tab and use the Volcano Name drop-down to find samples.