Global Volcanism Program

The Global Volcanism Program has no activity reports for Izumbwe-Mpoli.

The Global Volcanism Program has no Weekly Reports available for Izumbwe-Mpoli.

The Global Volcanism Program has no Bulletin Reports available for Izumbwe-Mpoli.

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.

Cones

Feature Name

Feature Type

Elevation

Latitude

Longitude

Izumbwe

Cone

1560 m

8° 58' 34" S

33° 22' 50" E

Mpoli

Cone

1535 m

8° 57' 36" S

33° 22' 16" E

Basic Data

Volcano Number

Last Known Eruption

Elevation

Latitude
Longitude

222165

Pleistocene

1568 m / 5144 ft

8.976°S
33.38°E

Volcano Types

Pyroclastic cone(s)

Rock Types

Major
Foidite

Tectonic Setting

Rift zone
Continental crust (> 25 km)

Population

Within 5 km
Within 10 km
Within 30 km
Within 100 km

88,294
308,228
597,576
2,142,694

Geological Summary

Two melanephelinite cones about 1.5 km apart, Izumbwe and Mpoli, are located ~18 km WNW of Ngozi caldera and just NW of Izumbwe village (Harkin, 1960). Basal lava flow trachyte units in the Songwe Basin were dated at 0.55 Ma (Ebinger et al., 1989). The youngest units in this area do not have age dates, but are covered with tephra from recent Rungwe and Ngozi eruptions.

References

The following references have all been used during the compilation of data for this volcano, it is not a comprehensive bibliography.

Ebinger C J, Deino A L, Drake R E, Tesha A L, 1989. Chronology of volcanism and rift basin propagation: Rungwe volcanic province, East Africa. J. Geophys. Res, 94: 15,785-15,803.

Fontijn K, Williamson D, Mbede E, Ernst G G J, 2012. The Rungwe Volcanic Province, Tanzania – A volcanological review. Journal of African Earth Sciences, v. 63, p. 12-31. https://doi.org/10.1016/j.jafrearsci.2011.11.005

Harkin D A, 1960. The Rungwe volcanics at the northern end of Lake Nyasa. Geol Surv Tanganyika Mem, 2: 1-172.

Eruptive History

The Global Volcanism Program is not aware of any Holocene eruptions from Izumbwe-Mpoli. If this volcano has had large eruptions (VEI >= 4) prior to 10,000 years ago, information might be found on the Izumbwe-Mpoli page in the LaMEVE (Large Magnitude Explosive Volcanic Eruptions) database, a part of the Volcano Global Risk Identification and Analysis Project (VOGRIPA).

Deformation History

There is no Deformation History data available for Izumbwe-Mpoli.

Emission History

There is no Emissions History data available for Izumbwe-Mpoli.

Photo Gallery

The Global Volcanism Program has no photographs available for Izumbwe-Mpoli.

GVP Map Holdings

The maps shown below have been scanned from the GVP map archives and include the volcano on this page. Clicking on the small images will load the full 300 dpi map. Very small-scale maps (such as world maps) are not included. The maps database originated over 30 years ago, but was only recently updated and connected to our main database. We welcome users to tell us if they see incorrect information or other problems with the maps; please use the Contact GVP link at the bottom of the page to send us email.

Smithsonian Sample Collections Database

There are no samples for Izumbwe-Mpoli in the Smithsonian's NMNH Department of Mineral Sciences Rock and Ore collection.

External Sites

Copernicus Browser

The Copernicus Browser replaced the Sentinel Hub Playground browser in 2023, to provide access to Earth observation archives from the Copernicus Data Space Ecosystem, the main distribution platform for data from the EU Copernicus missions.

WOVOdat
   Single Volcano View
   Temporal Evolution of Unrest
   Side by Side Volcanoes

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.

GVMID Data on Volcano Monitoring Infrastructure The Global Volcano Monitoring Infrastructure Database GVMID, is aimed at documenting and improving capabilities of volcano monitoring from the ground and space. GVMID should provide a snapshot and baseline view of the techniques and instrumentation that are in place at various volcanoes, which can be use by volcano observatories as reference to setup new monitoring system or improving networks at a specific volcano. These data will allow identification of what monitoring gaps exist, which can be then targeted by remote sensing infrastructure and future instrument deployments.

IRIS seismic stations/networks

Incorporated Research Institutions for Seismology (IRIS) Data Services map showing the location of seismic stations from all available networks (permanent or temporary) within a radius of 0.18° (about 20 km at mid-latitudes) from the given location of Izumbwe-Mpoli. Users can customize a variety of filters and options in the left panel. Note that if there are no stations are known the map will default to show the entire world with a "No data matched request" error notice.

UNAVCO GPS/GNSS stations

Geodetic Data Services map from UNAVCO showing the location of GPS/GNSS stations from all available networks (permanent or temporary) within a radius of 20 km from the given location of Izumbwe-Mpoli. Users can customize the data search based on station or network names, location, and time window. Requires Adobe Flash Player.

Large Eruptions of Izumbwe-Mpoli

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).

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).