Taftan Volcano

Recent research has indicated that Taftan Volcano, located in southeastern Iran, might be awakening after being dormant for nearly 700,000 years.

About Taftan Volcano:

Location:
- Taftan is a semi-active stratovolcano located in the southeastern part of Iran, near the Pakistan border (approximately 56 km away).
- It is situated within the Makran continental volcanic arc, an area formed by the subduction of the Arabian ocean crust beneath the Eurasian continent.
Elevation:
- The volcano rises to an impressive 12,927 feet (3,940 meters), making it one of the highest peaks in the region.
Volcanic Features:
- Stratovolcano: Taftan is a stratovolcano, which is known for its steep, cone-shaped profile and explosive eruptions.
- Hydrothermal Activity: The volcano features an active hydrothermal system, with sulfur-emitting fumaroles (smelly gas vents) around the site.
- Summits: Taftan has two summits, namely Narkuh and Matherkuh.
Historical Activity:
- Despite its activity, Taftan has not erupted in recorded human history.
- However, its geological activity and potential for future eruptions remain a subject of ongoing study.

What is a Stratovolcano?

Formation:
- A stratovolcano (also known as a composite volcano) is a tall, steep, cone-shaped volcano built up by layers of lava and pyroclastic material (such as volcanic ash, tephra, and pumice).
- They are typically located above subduction zones, where one tectonic plate is forced beneath another, creating volcanic activity.
Eruptions:
- Stratovolcanoes are known for their explosive eruptions. This is because the lava they produce is often viscous, meaning it doesn’t flow easily. This leads to the buildup of gas pressure, which can cause violent explosions when released.
- Unlike shield volcanoes, which are low and broad, stratovolcanoes are characterized by their higher peaks and steep slopes.
Geological Significance:
- Stratovolcanoes make up around 60% of the Earth's individual volcanoes.
- They are often found in volcanically active regions, such as the Ring of Fire, which encircles much of the Pacific Ocean.
Eruptive Material:
- The eruptions of stratovolcanoes typically involve a mixture of lava (usually andesite or dacite) and pyroclastic materials.
- The layering of these materials is responsible for the iconic cone-shaped profile of stratovolcanoes.

Source: THE HINDU

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