Geomorphology

Kerguelen Islands, captured on October 28, 2016 by the the Moderate Resolution Imaging Spectroradiometer (MODIS) instrument on NASA’s Terra satellite.

Where are the Desolation Islands?

Caitlin Dempsey

Located in the southern Indian Ocean off the eastern coast of Africa and just north of Antarctica, the Kerguelen Islands have earned the nickname "Desolation Islands" due to their remote location.

MyShake App: Detecting Earthquakes Using Smartphones

Elizabeth Borneman

The MyShake app uses a feature of smartphones called the accelerometer which can be used to detect the unique seismic vibrations of an earthquake.

Scuba diver exploring the Silfra. Photo: Thomei08, MediaWiki Commons, 2012.

Silfra Fissure: The Crack between the North American and Eurasian continents

Elizabeth Borneman

The Silfra fissure is a crack between the North American and Eurasian continents.

A sandstone formation known as a Beehive in the Valley of Fire Nevada State Park. This formation occurs from wind and water erosion. Photo: Alex Demas, USGS. Public domain.

What are Two Main Causes of Changes to the Earth Surface?

Joe Akintola

Erosion and weathering are two forces that change the surface of the Earth over thousands and millions of years.

Continental Divides in North America.

What is a Continental Divide?

Joe Akintola

A continental divide is seen as any natural (not man-man) boundary separating precipitation.

Vredefort Dome, Free State, South Africa.

Geography of Impact Craters

Caitlin Dempsey

According to the Earth Impact Database, there are currently 184 verified impact craters that have been documented on Earth.

Photograph of the eruption from the summit of Eyjafjallajökull from the north looking to the south across the Gígjökull outlet glacier, its "missing" proglacial (ice-margin) lake caused by the jökulhlaup that filled in the lake. Photo: Oddur Sigurðsson, Iceland Meteorological Office. Public domain.

Volcanoes and Glaciers in Iceland

Elizabeth Borneman

Iceland is a country of varied geography, topography, and landscape.

View of Zoroaster Temple from the El Tovar Hotel in the Grand Canyon. Photo: Michael Quinn, NPS, Public Domain.

The Grand Canyon

Elizabeth Borneman

The Grand Canyon is one of America’s most beloved and well-known geographical wonders and is visited by millions of people every year.

A detailed graphic showing the location of the Earth's crust, mantle, and core.

Structure of the Earth

Caitlin Dempsey

Listed here are quick facts about the earth's crust, mantle, and core.

ZUBAIR ISLANDS ON DECEMBER 23, 2011. SOURCE: NASA’S EO-1 – ALI.

New Baby Island in the Zubair Islands

Caitlin Dempsey

A new island has been added to the Zubair Islands off the Yemeni coast as a result of volcanic activity that erupted on December 19, 2011.