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27Nov 2025

Martian Crater Named After Geologist M.S. Krishnan

Martian Crater Named After Geologist M.S. Krishnan Why in the News? The International Astronomical Union (IAU) has approved naming a 3.5-billion-year-old Martian crater after Indian geologist M.S. Krishnan, along with several Kerala-based names assigned to smaller Martian landforms, marking a major global recognition for Indian geoscientific heritage. This achievement highlights India’s growing presence in international …

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26Nov 2025

Hayli Gubbi: Analyzing the Sudden Volcano Eruption

Understanding Hayli Gubbi’s Sudden Volcanic Eruption Why in the News? The Hayli Gubbi volcano in Ethiopia’s Afar region erupted on November 23, surprising scientists as it had remained dormant for nearly 12,000 years. Researchers are analysing satellite data and ash samples to understand the geological triggers behind this unexpected volcanic activity. This eruption has drawn …

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21Nov 2025

Understanding Why Mount Semeru Erupts Violently

Why in the News? Indonesia’s Mount Semeru, one of the most active volcanoes in the country, erupted again on Wednesday, releasing hot ash clouds and volcanic debris. The eruption has renewed focus on the causes of volcanic activity and why certain volcanoes are more explosive than others. This natural disaster serves as a reminder of …

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16Sep 2025

Types of Plate Boundaries: UPSC Geography Notes

The image explains types of plate boundaries: divergent, convergent, and transform, showing how tectonic plates interact and shape Earth’s surface. This concept is crucial in understanding earthquakes, mountains, and volcano formation for UPSC Geography.

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28Jun 2025

Earth’s Oldest Rocks Found in Northern Quebec, 4.16B Yr

Earth’s Oldest Rocks Discovered in Northern Quebec Why in the News? A new study reveals that rocks from the Nuvvuagittuq Greenstone Belt in Quebec, Canada are dated at 4.16 billion years old, making them the oldest rock formations on Earth and offering rare insight into the Hadean eon, Earth’s earliest geological era. This discovery of …

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29Mar 2025

Massive Earthquake Devastates Myanmar, Triggering Regional Tremors

Why in the News ? A 7.7 magnitude earthquake struck central Myanmar, causing widespread destruction in Mandalay and killing at least 144 people. The quake’s impact was felt in Thailand and Northeast India, highlighting the dangers of the Sagaing Fault. Highlights of the  Massive Earthquake in Myanmar (Impact and Immediate Effects): A powerful 7.7 magnitude …

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24Oct 2024

Ancient Meteorite: A Giant Fertilizer Bomb for Early Life on Earth

Why in the news? A new study shows that a massive meteorite impact 3.26 billion years ago, much larger than the one that killed the dinosaurs, may have aided early microbial life by providing essential nutrients. Meteorite Impact and Its Immediate Effects: A meteorite, spanning 37-58 km, struck Earth 3.26 billion years ago, causing global …

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17Oct 2024

Mount Adams Seismic Activity Sparks Renewed Concern

Why in the news? Mount Adams, Washington’s largest volcano, has experienced an increase in seismic activity after thousands of years of dormancy, raising concerns about potential volcanic eruptions. About Mount Adams: Location: Washington State, USA. Height: 12,277 feet (3,742 metres), making it the largest active volcano in Washington by volume. Width: 18 miles (29 kilometres). …

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