An earthquake of magnitude 7.4 struck Sumatra Island in Indonesia, triggering a tsunami warning. Learn about the country's geophysics agency, the Pacific Ring of Fire, and the seismically active zone where different plates of the earth’s crust meet.
According to the researchers at ETH Zurich, the Earth’s interior seems to be cooling down faster than expected. It may follow the footsteps of rocky planets Mercury and Mars The Earth’s Interior is Cooling Faster Than Expected, Says Research.
The cause of Earth’s deepest earthquakes has been a mystery to science for more than a century, but a team of Carnegie scientists may have cracked the case. New research published provides evidence that fluids play a key role in deep-focus earthquakes which occur between 300 and 700 kilometers below the planet’s surface. The research team includes Carnegie scientists Steven