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NASA satellite Aura detected the eruption using its microwave limb sounder. It measures ozone, water vapor and other atmospheric gases, and can penetrate obstacles such as ash clouds. [58] The underwater explosion also sent 146 million tons of water from the South Pacific Ocean into the stratosphere. [59]
False-color satellite image taken 25 March 2009, showing new land south of Hunga Haʻapai. Clouds cover the space between the new land and Hunga Haʻapai. The vent is the nearly perfect circular hole near the southern edge of the new land. The ocean around the erupting volcano is bright blue, indicating ash, rock, and other volcanic debris.
True color image of the Earth from space. This image is a composite image collected over 16 days by the MODIS sensor on NASA’s Terra satellite. NASA Earth science satellite fleet as of September 2020, planned through 2023. Earth observation satellite missions developed by the ESA as of 2019.
112 minutes [1] TOPEX/Poseidon was a joint satellite altimeter mission between NASA, the U.S. space agency; and CNES, the French space agency, to map ocean surface topography. Launched on August 10, 1992, it was the first major oceanographic research satellite. TOPEX/Poseidon helped revolutionize oceanography by providing data previously ...
Adam's Bridge. Adam's Bridge, [ a] also known as Rama's Bridge or Rama Setu, [ c] is a chain of natural limestone shoals between Pamban Island, also known as Rameswaram Island, off the south-eastern coast of Tamil Nadu, India, and Mannar Island, off the north-western coast of Sri Lanka. Geological evidence suggests that the bridge was formerly ...
Summary. Description 2011 Earthquake and Tsunami near Sendai, Japan.jpg. English: Natural-colour image of the agricultural fields between the Japanese city of Sendai and Sendai Bay. Date. 18 March 2011.
A seismogram recorded in Massachusetts, United States. The magnitude 9.1 (M w) undersea megathrust earthquake occurred on 11 March 2011 at 14:46 JST (05:46 UTC) in the north-western Pacific Ocean at a relatively shallow depth of 32 km (20 mi), [9] [56] with its epicenter approximately 72 km (45 mi) east of the Oshika Peninsula of Tōhoku, Japan, lasting approximately six minutes.
September 4, 2016 at 12:51 PM. Shocking Satellite Images Show Aral Sea Has Almost Disappeared. The Aral Sea in central Asia used to be one of the world's largest lakes. NASA explains, "In the ...