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ASF DAAC News

Read the latest news stories, feature articles, user stories, and blog posts that feature data archived by NASA's Alaska Satellite Facility Distributed Active Archive Center (ASF DAAC).
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In 1990, slow-moving pahoehoe lava from Kilauea Volcano gradually spread through the community of Kalapana, burning homes and covering parks, roads, and gardens. (Image courtesy of USGS)

Sensing Remote Volcanoes

In October 2001, a volcano in the remote South Sandwich Islands began spewing ash and lava. Less than 24 hours after the eruption began, a research team nearly 9,000 miles away was estimating how much energy the volcano was producing.
Feature Article
July 28, 2020
The above image shows a research vessel at the edge of a first year ice floe.

Ice & Sky

Canadian RADARSAT data is used to indicate the presence of open water in polar ice.
Feature Article
July 22, 2020
The image above shows part of a RADARSAT mosaic of Arctic sea ice from April 2009.

Ice Happens

Synthetic aperture radar is used to study transmutations of ice.
Feature Article
July 22, 2020
The JERS-1 SAR image above shows the Bajawa Breccia Cone Complex in Eastern Indonesia from February 3, 1996.

Fish in the Trees

Synthetic Aperture Radar aboard the JERS-1 satellite collects data from the world's tropical forests.
Feature Article
July 22, 2020
February 5, 2000. This image captures the iceberg after it split into two sections (A and B).

Disintegration of the Ninnis Glacier Tongue

Many processes that shape the Earth's landscape happen too slowly to be witnessed in a human lifetime. But recent analysis of satellite imagery shows that a large glacier tongue on the coast of East Antarctica has disintegrated, changing the shape of the coastline almost overnight.
Feature Article
July 21, 2020
This Synthetic Aperture Radar (SAR) interferogram includes the epicenters of the October 23, 2002, and November 3, 2002 Denali Fault earthquakes, which are located at the extreme western end of the fault rupture.

Denali's Fault

Alaska's Denali Fault experienced a magnitude 7.9 earthquake in 2002.
Feature Article
July 21, 2020
The image above shows an ERS-2 SAR image of coastal water off the Pacific coast of Mexico in 1996.

Data Made Easy

Software development is essential for making SAR datasets user friendly.
Feature Article
July 21, 2020
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