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SATELLITE MONITORING VOLCANOES
- Around 1850, sailors drove giant Galápagos tortoises to extinction, keeping them as live food because they could survive for up to a year without food or water; then scientists found mysterious ‘alien’ survivors in 2000
In 1984, Tonga's Home Reef shot a 12km-high plume into the sky and built an island. 42 years later, the growing volcanic island has gained nearly 20 acres of land- In 2022, the Tonga eruption sent a powerful sound through the ocean — the strange signal before a deadly disaster hit may change how scientists warn about tsunamis
- Why Do Some Volcanoes Inflate for Years… Then Never Erupt? ExplainedGround near volcanoes like Yellowstone and eastern California is slowly rising. This swelling is caused by underground magma and fluids. Sc...02 Mar, 2026, 03.05 PM IST
- How a Volcano Can Cool the Entire PlanetExplosive volcanic eruptions can surprisingly cool the planet by injecting sulfur dioxide into the stratosphere. This gas forms reflective ...24 Feb, 2026, 03.27 PM IST
- Can This Crater Lake Predict the Next Volcanic Eruption?Volcanic crater lakes offer vital early warnings of eruptions. Scientists monitor subtle shifts in lake temperature, gas composition, and w...24 Feb, 2026, 01.48 PM IST
- Why Some Volcanoes Erupt Without Warning, And How Satellites Catch ItVolcanoes can erupt suddenly, but satellite technology now detects hidden ground shifts and heat changes. This helps scientists monitor rem...22 Feb, 2026, 04.55 PM IST
- Ethiopia volcano ash clouds to move away from India by 7.30 PMEthiopian volcanic ash reaches Delhi NCR: Ash clouds from Ethiopia's Hayli Gubbi volcano are drifting eastwards towards China, expected to ...25 Nov, 2025, 10.52 AM IST
- Hayli Gubbi Volcano eruption: Air India, IndiGo and Akasa Air issue updates on flight delays amid ash cloud drift over IndiaIndian aviation is on high alert. Ash clouds from Ethiopia's Hayli Gubbi volcano are moving towards western and northern India. Flights are...25 Nov, 2025, 06.02 AM IST
- Video: Ethiopia’s Hayli Gubbi volcano erupts for the first time in over 10000 years, sending massive ash plumes toward Oman and YemenHayli Gubbi: Ethiopia's dormant Hayli Gubbi volcano has erupted after 10,000 years. Towering ash columns drifted across the Red Sea. This e...24 Nov, 2025, 01.56 PM IST
- Whakaari ash plume prompts volcanic alert increase; coastal haze possibleGNS Science has raised the Volcanic Alert Level for Whakaari/White Island to Level 3 due to a gradual increase in volcanic ash in the steam...21 Apr, 2025, 01.12 PM IST
- New Zealand's Whakaari/White Island volcano may erupt soon, alert level raised to 3Volcanic activity is increasing at Whakaari/White Island. Authorities have raised the volcanic alert level to 3. GeoNet observes more frequ...18 Apr, 2025, 12.19 PM IST
- Is mega volcano Mount Spurr about to erupt? This Alaskan city is on edge as earthquakes shake the sleeping giantMount Spurr volcano, near Anchorage, Alaska, is showing increased activity. Scientists have detected a swarm of earthquakes beneath the vol...13 Apr, 2025, 07.14 PM IST
- Mount Etna erupts yet again, incredible footage emerges of snow-capped mountain spewing ash and lava into skyThe explosive eruption of lava coming from the base of the Bocca Nuova crater, underneath Mount Etna, makes it a story of fire and ice at t...12 Feb, 2025, 10.27 PM IST
- NASA satellites unearth a ‘ghost island’. This is what we know about itNASA satellites captured images of a "ghost island" that briefly appeared following a mud volcano eruption in the Caspian Sea. The island f...14 Jan, 2025, 02.42 AM IST
- Volcano of Riches: This mountain spits out gold valued at Rs 5 lakh every dayMount Erebus, Antarctica’s southernmost active volcano, stands out not only for its continuous eruptions but also for its unusual emission ...03 Oct, 2024, 11.10 AM IST
- NASA sends powerful new instrument to space to track air pollutionThe US space agency on Saturday launched a powerful new instrument into space to track air pollution, which would provide unprecedented res...08 Apr, 2023, 10.29 AM IST
- Increased earthquake activity in 2 Alaska volcanoes may indicate eruption, alert issuedThe activation of alerts suggests that the occurrence of earthquakes at two volcanoes in Alaska may indicate the possibility of an eruption.10 Mar, 2023, 10.09 PM IST
- Isro-Nasa satellite to help ‘predict’ landslidesThe Nasa-Isro Synthetic Aperture Radar will make global measurements of the causes and consequences of land surface changes for integration...21 Aug, 2017, 10.49 AM IST
- New chip can shrink radar cameras to fit into palmThey are also 20 times cheaper to produce and consume at least 75 per cent less power, researchers said.24 Feb, 2016, 05.08 PM IST
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