earthquakes

Ground disturbance in southern California after the January 17, 1994 Northridge earthquake.

Geography Facts About Earthquakes

Caitlin Dempsey

Learn about where earthquakes occur on Earth.

Pahoehoe from Kilauea eruption, 1989.

Pacific Ring of Fire

Julian Marks

The Ring of Fire refers to the long chain of volcanoes and earthquake zones that encircle much of the Pacific Ocean.

A screenshot from the MyShake Android app.

Earthquake Detection Using Smartphones

Mark Altaweel

Using aggregated accelerometer data across many smartphones, many of us can now better access a large-scale earthquake warning system.

This Detailed Map Shows 119 Years of Earthquakes

Caitlin Dempsey

The USGS has released a highly detailed and updated map of seismicity from 1900 to 2018.

Using Machine Learning and Surface Deformation Data to Predict Earthquakes

Mark Altaweel

There is no easy solution for earthquake prediction, but machine learning in particular has made forecasting far better.

Map showing the Mendocino Triple Junction.

What are the Three Plates that Make up the Mendocino Triple Junction?

Caitlin Dempsey

The Mendocino Triple Junction is located in the Pacific Ocean near Cape Mendocino in northern California.

A simple map of the continental United States overlayed with areas of fracking in blue.

EPA Issues Report on Fracking and Earthquakes

A.J. Rohn

According to EPA scientists in North Texas, earthquakes there are likely related to fracking and drilling. Although it is not a new discovery that this link is possible ­ or even likely, an acknowledgement from the EPA is significant.

The 2015 earthquakes caused great damage in Bhakatpur, Nepal. These photos are overlaid on a damage proxy map derived from COSMO-SkyMed satellite data. Colors show increasingly significant change in terrain/building properties (including surface roughness and soil moisture). Red is most severe. Credits: NASA/JPL-Caltech/Google/DigitalGlobe/CNES/Astrium/Amy MacDonald/Thornton Tomasetti

Developing Earthquake Damage Maps from Satellite Imagery

Elizabeth Borneman

Researchers are working on developing remotely sensed maps that may assist locals in assessing damage and managing the aftermath with future earthquakes.

Earthquake Time Bombs

Caitlin Dempsey

In his new book, Earthquake Time Bombs, Yeats discusses the world’s most dangerous earthquake hotspots, the communities at risk, and how the public can mitigate the effects of future disasters.

Urban Disaster Prevention Spatial System

GIS Contributor

Guest article from SuperGeo. SCENARIO On September 21st, 1999, a 7.3 strong magnitude earthquake rocked Taiwan. It caused thousands of ...

Using GPS to Monitor the Earth’s Movement

Caitlin Dempsey

A network of research stations located across Southern California and Baja California was created in 2011 in order to detect minute movements of the earth.