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In the time between mega-earthquakes, smaller earthquakes continuously occur between oceanic and continental plates (background earthquakes). Where a lot of energy is released through these earthquakes, we observe coastal mountains that rise faster. In contrast, slow-uplifting coastal areas coincide with fewer background earthquakes. Credit: University of Tübingen

Continuous activity of small earthquakes makes mountains grow

Geology Page - June 26, 2021

Central Alps of Switzerland

Formation of the Alps: Detaching and uplifting, not bulldozing

Mountains

Ancient mountains recorded in Antarctic sandstones reveal potential links to global events

Fjords Bare hotspots

Ancient mountain formation and monsoons helped create a modern biodiversity hotspot

The Andes seen from space. The height of the Andes, like the height of other mountain ranges on Earth, is determined by tectonic forces (Credit: NASA; Astronaut photograph ISS059-E-517).

Which factors control the height of mountains?

$A new study of Earth's inner core used seismic data from repeating earthquakes, called doublets, to find that refracted waves, blue, rather than reflected waves, purple, change over time -- providing the best evidence yet that Earth's inner core is rotating. Credit: Michael Vincent$

Growing mountains or shifting ground: What is going on in Earth’s...

Geology Page - May 12, 2020

Reconstructed paleo-elevation in southwestern North America at the Late Eocene (36 million years ago). Credit: Bahadori and Holt

New geologic modeling method explains collapse of ancient mountains in American...

Geology Page - November 21, 2019

As part of MISTI-India, Megan Guenther, a junior in EAPS, records field notes about the landscape of the Kohistan-Ladakh region of the Himalayas in northern India. Credit: Craig Martin

Collision course: A geological mystery in the Himalayas

Geology Page - November 2, 2019

A river flows between mountains at Yellowstone National Park in Wyoming. New research tests a 30-year-old theory on the relationship between erosion and mountain height. Photo credit: Seth Cottle/Unsplash

Why are mountains so high?

Geology Page - September 27, 2019

Everest

Nepal expedition to remeasure height of Everest

Geology Page - April 11, 2019

Graphic showing the Transition Zone inside the Earth Princeton seismologist Jessica Irving worked with then-graduate student Wenbo Wu and another collaborator to determine the roughness at the top and bottom of the transition zone, a layer within the mantle, using scattered earthquake waves. They found that the top of the transition zone, a layer located 410 kilometers down, is mostly smooth, but the base of the transition zone, 660 km down, in some places is much rougher than the global surface average. “In other words, stronger topography than the Rocky Mountains or the Appalachians is present at the 660-km boundary,” said Wu. NOTE: This graphic is not to scale. Credit: Kyle McKernan, Office of Communications

Massive Bolivian earthquake reveals mountains 660 kilometers below our feet

Geology Page - February 16, 2019

The Hunga Island Tonga Hunga Ha'apai

Mountains create biodiversity

Geology Page - October 3, 2018

Panhandle of Texas

The origins of the High Plains landscape

Geology Page - September 27, 2018

This is a temple in the Nubra Valley of Ladakh, India,

Learning about the Himalayas using Mars technology

Geology Page - June 21, 2018

Mountain glaciers shrinking across the West

Geology Page - October 21, 2017

Mountains

Lost mountains in the Karoo reveal the secrets of massive extinction...

Geology Page - October 19, 2017

Study Confirms Large Earthquakes along Olympic Mountain Faults

Geology Page - September 29, 2017

Mountain glaciers recharge vital aquifers

Geology Page - July 22, 2017

Oman’s mountains may hold clues for reversing climate change

Geology Page - April 14, 2017

Determining when India collided with Asia to form the Himalayan mountains

Geology Page - April 5, 2017

Underwater mountains help ocean water rise from abyss

Geology Page - March 7, 2017

Scientists reconstruct formation of the southern Appalachians

Geology Page - November 22, 2016

Thawing ice makes the Alps grow

Geology Page - November 10, 2016

Nepal drains risky glacial lake near Everest

Geology Page - November 1, 2016

Everest

Entire Himalayan arc can produce large earthquakes

Geology Page - October 26, 2016

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Igneous zircon crystal: shows zircon had two main growth periods approx. 20 million years apart in different magmas.

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Geoscientists use zircon to trace origin of Earth’s continents

Before an asteroid wiped out the dinosaurs, Earth experienced a short...

Subduction zones occur where one tectonic plate dives under another. New computer modeling by Magali Billen, professor of earth and planetary sciences at UC Davis, shows why earthquakes on these sinking plates cluster at certain depths and could give insight into processes deep in the Earth. (U.S. Geological Survey)

New clues to deep earthquake mystery

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