Tuesday, July 5, 2022

Earthquake

Seismic wave data revealed changes in the Earth’s outer core

Scientists have never directly observed convective flows or how they may be changing.

Understanding changes in Earth’s outer core with the help of seismic waves

The composition of the bulk, the outer core of the Earth, is not pure iron but has a density deficit of about 5–10%, indicating...

How the Earth’s continents were assembled?

Updating our understanding of Earth’s architecture.

3.8-Billion-year-old crystal to point earliest geochemical evidence of plate tectonics

Crystal to point an early start for the active global process that shapes Earth's surface and climate

Simulating common processes of formation of new subduction zones

How do these subduction zones originate, and how do they evolve over time?

Vibrating Mountains

Simulation approach works for a large mountain.

Tsunami size varies with depth of Earthquake

Earthquake depth impacts potential tsunami threat.

Researchers discovered a new type of earthquake

They are slower and last longer.

Mars interior revealed for the first time

The results point to a cool, more sluggish early mantle.

Two sizable quakes detected on Mars

The quakes add weight to the idea that the location is a center of seismic activity.

How earthquake triggers volcanic eruptions?

Scientists reviewed current knowledge, and introduce a novel framework to help characterize earthquake-triggering processes.

How Earth’s outer shell first broke into tectonic plates?

The answer lies in the consideration of major heat-loss mechanisms

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