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International Chronostratigraphic Chart (v2016/12)

Click here (PDF or JPG) to download the latest version (v2016/12) of the International Chronostratigraphic Chart. The explanatory article was published in September 2013...

Creating earthquake heat maps

When you rub your hands together to warm them, the friction creates heat. The same thing happens during earthquakes, only on a much larger...

Seafloor maps provide new information about 2015 eruption at Axial Seamount

Axial Seamount, a large underwater volcano about 470 kilometers (290 miles) offshore of the Oregon coast, is one of the most active volcanoes in...

Seismometers are giving scientists a clearer look at a giant scar...

When Doug Wiens approached Minnesota farmers to ask permission to install a seismometer on their land, he often got a puzzled look. "You could...

NASA, Japan make ASTER earth data available at no cost

Beginning today, all Earth imagery from a prolific Japanese remote sensing instrument operating aboard NASA's Terra spacecraft since late 1999 is now available to...

New map looks at Oregon’s likely landslide areas

A new landslide susceptibility map of Oregon helps identify regions of the state that may be at risk for future landslides. “Oregon is prone to...

First ever digital geologic map of Alaska

A new digital geologic map of Alaska is being released today providing land users, managers and scientists geologic information for the evaluation of land...

New Sunshine State Maps Add U.S. Forest Service Data

Recently released US Topo maps for Florida now feature more trails using data provided by the U.S. Forest Service as well as trail information...

Mapping lava flows in Iceland

As volcanologists at Lamont-Doherty Earth Observatory, we love everything lava. Right now, we're exploring how the structure of the surfaces lava flows over influences...

New NGA global map advances R&D in geophysics and nonproliferation

A team of researchers led by scientists at the National Geospatial-Intelligence Agency published a new map Sept. 1 that characterizes the Earth's radioactivity and...

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