Minimize Bazman Volcano, Iran

Bazman volcano is located in a remote region of southern Iran, within the Bazman Protected Area of Sistan and Baluchestan Provinces. While the volcano has the classic cone shape of a stratovolcano, it is also heavily dissected by channels that extend downwards from summit.

This radial drainage pattern-similar to the spokes of a bicycle wheel-is readily observed from the International Space Station. Such patterns can form around high, symmetric peaks when water runoff and erosion is not constrained by barriers to flow or resistance by geologic materials. The result is essentially even distribution of water runoff channels around the peak.

While there is no historical or geologic record of volcanism at Bazman, some fumarolic activity (gas and steam emissions) have been reported, according to the Smithsonian Institution National Museum of Natural History's Global Volcanism Program. The summit of the volcano (3,490 metres above sea level) is marked by a well-formed explosion crater. Lava cones on the flanks of the main volcano are associated with well-preserved lava flows; a particularly striking example is visible on the north flank of Bazman. Together, these observations and features suggest that Bazman may be dormant, rather than extinct.

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Credit: NASA Earth Observatory

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