Harra of Bal Haf

Photo of this volcano
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  • Country
  • Volcanic Region
  • Primary Volcano Type
  • Last Known Eruption
  • 14.05°N
  • 48.33°E

  • 233 m
    764 ft

  • 231170
  • Latitude
  • Longitude

  • Summit
    Elevation

  • Volcano
    Number

The Global Volcanism Program has no activity reports for Harra of Bal Haf.

The Global Volcanism Program has no Weekly Reports available for Harra of Bal Haf.

The Global Volcanism Program has no Bulletin Reports available for Harra of Bal Haf.

Basic Data

Volcano Number

Last Known Eruption

Elevation

Latitude
Longitude
231170

Unknown - Evidence Credible

233 m / 764 ft

14.05°N
48.33°E

Volcano Types

Volcanic field

Rock Types

Major
Basalt / Picro-Basalt

Tectonic Setting

Intraplate
Continental crust (> 25 km)

Population

Within 5 km
Within 10 km
Within 30 km
Within 100 km
5,690
5,690
6,643
177,124

Geological Summary

The Harra of Bal Haf is a small volcanic field along the Gulf of Aden in southern Yemen that contains tuff cones and large aa lava fields. The volcanic field lies along the coast about 100 km SW of the city of Al Mukalla. Lava flows erupted from cinder cones blanket much of the volcanic field and produce an irregular shoreline. One fresh-looking basaltic flow may be of historical age (Catalog of Active Volcanoes of the World). At-Tabâb tuff cone along the coast rises from the sea to 233 m and has a 1.5-km-wide crater partially filled by a cinder cone and associated lava flows. An adjacent tuff cone to the east is lake filled.

References

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

Neumann van Padang M, 1963. Arabia and the Indian Ocean. Catalog of Active Volcanoes of the World and Solfatara Fields, Rome: IAVCEI, 16: 1-64.

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

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

Bir Ali | Er-Bal Haf

Cones

Feature Name Feature Type Elevation Latitude Longitude
At-Tabâb Tuff cone 233 m

Photo Gallery


The Harra of Bal Haf volcanic field fills much of this NASA Space Shuttle image taken along the Gulf of Aden in southern Yemen (with north to the lower left). Dark-colored lava fields cover much of the volcanic field and create an irregular shoreline. One fresh-looking basaltic flow may be of historical age. Two large tuff cones are visible along the coast at the upper left, one of which is lake filled. A road cuts across the volcanic field from the town of Bal Haf at the lower right.

NASA Space Shuttle image ISS006-E-5153, 2002 (http://eol.jsc.nasa.gov/).

Smithsonian Sample Collections Database


A listing of samples from the Smithsonian collections will be available soon.

Affiliated Sites

Large Eruptions of Harra of Bal Haf 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).
MODVOLC - HIGP MODIS Thermal Alert System Using infrared satellite Moderate Resolution Imaging Spectroradiometer (MODIS) data, scientists at the Hawai'i Institute of Geophysics and Planetology, University of Hawai'i, developed an automated system called MODVOLC to map thermal hot-spots in near real time. For each MODIS image, the algorithm automatically scans each 1 km pixel within it to check for high-temperature hot-spots. When one is found the date, time, location, and intensity are recorded. MODIS looks at every square km of the Earth every 48 hours, once during the day and once during the night, and the presence of two MODIS sensors in space allows at least four hot-spot observations every two days. Each day updated global maps are compiled to display the locations of all hot spots detected in the previous 24 hours. There is a drop-down list with volcano names which allow users to 'zoom-in' and examine the distribution of hot-spots at a variety of spatial scales.
MIROVA Middle InfraRed Observation of Volcanic Activity (MIROVA) is a near real time volcanic hot-spot detection system based on the analysis of MODIS (Moderate Resolution Imaging Spectroradiometer) data. In particular, MIROVA uses the Middle InfraRed Radiation (MIR), measured over target volcanoes, in order to detect, locate and measure the heat radiation sourced from volcanic activity.