Start Date: End Date: Published Date Data Date
Lava Dome on Mount St. Helens
2758 x 4803 2 MB - JPEG
Published October 7, 2004
After more than a decade of inactivity, Mount St. Helens rumbled back to life in September 2004. An ongoing series of tremors within the volcano coupled with upward movement of magma toward its caldera prompted geologists to issue a Level 3 alert on October 2, stating that Mount St. Helens could experience a moderately severe eruption at any time. In order to help geologists and volcanologists assess the nature and magnitude of the risk, on September 24, 2004, NASA flew a low-altitude aircraft carrying the MODIS/ASTER Airborne Simulator (MASTER) directly over the volcano to obtain high-resolution images of its caldera.
Related images:
2758 x 4803 937 KB - JPEG
5 KB - KML/KMZ
Fires in California
540 x 540 JPEG
Published July 23, 2004
716 x 875 808 KB - JPEG
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Fires in Oregon
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Published September 3, 2003
884 x 1344 330 KB - JPEG
Williams Fire Northeast of Los Angeles
Published September 27, 2002
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Rodeo and Chediski Fires in Arizona
540 x 460 JPEG
Published July 3, 2002
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540 x 319 JPEG
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3-D Perspective View of Mt. Pinatubo, Philippines
540 x 256 JPEG
Published November 10, 2001
1467 x 711 482 KB - JPEG