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Lava Dome on Mount St. Helens
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…
Dust Storm off Iceland
A low-pressure system north of the United Kingdom wasblowing dust off Iceland and sending it southward over the Atlantic Ocean on Oct. 5, 2004. The dust plume (light brown) is easily distinguished from the bright, white clouds in this true-color…
NASA’s Great Observatories May Unravel 400-Year Old Supernova Mystery
Four hundred years ago, sky watchers, including the famous astronomer Johannes Kepler, were startled by the sudden appearance of a “new star” in the western sky, rivaling the brilliance of the nearby planets. Now, astronomers using NASA’s three Great Observatories…
Arctic Sea Ice Decline Continues
Arctic sea ice has declined sharply over the last three years. For years, scientists at the University of Colorado at Boulder have been tracking the extent of sea ice across the Arctic Circle. Every September researchers produce a composite map…
New Tools for Conservation
NASA’s advances in remote sensing and other technologies give researchers and conservationists new unprecedented information for protecting wild areas.
Finding Niño
A mild warming of the surface waters in the Central Equatorial Pacific Ocean over the past few months has lead some researchers to believe that weak to moderate El Niño conditions will develop during the fall of 2004. However, a…
Earth from the Moon: A Different Perspective on the Harvest Moon
Over the stark, scarred surface of the moon, the Earth floats in the void of space, a watery jewel swathed in ribbons of clouds.
Toxic Algal Bloom off Washington
Thriving ocean plants form clouds of green in the waters of the Pacific along the coast of Washington and Vancouver Island. On September 29, 2004, researchers from the University of Washington and NOAA reported finding a large bloom of Pseudo-nitzschia,…
Hubble Team Receives International Academy of Astronautics Award
RELEASE : 04-331 Hubble Team Receives International Academy of Astronautics Award The Hubble Space Telescope (HST) team was selected by the International Academy of Astronautics (IAA) to receive the 2004 Laurels for Team Achievement award. The team consists of scientists,…
Salt Ponds in San Francisco Bay
In coming years, the shores of San Francisco Bay south of the San Mateo Bridge will begin to look a bit more like their former, pre-developed selves. The South Bay Salt Pond Restoration Project will be converting several clusters of…
Toxic Algae Bloom off Washington
Scientists from the ECOHAB Pacific Northwest Project report that a toxic bloom of algae has appeared in the eastern Pacific, located about 24 km (15 miles) off the northwest coast of Washington. Situated in the region known as the Juan…
Parkfield Earthquake
On September 28, 2004 a magnitude 6.0 earthquake struck Central California near the town of Parkfield. The quake caused no injuries and minimal property damage, but was of great interest to American geologists. In 1984 the United States Geological Survey…
Significant Event Report for Week Ending 10/1/2004
Cassini Significant Event Report For Week Ending 10/01/04 The most recent spacecraft telemetry was acquired from the Madrid tracking station on Wednesday, September 29. The Cassini spacecraft is in an excellent state of health and is operating normally. Information on…
Hurricane Jeanne Cloud Height and Motion
After causing widespread destruction on Puerto Rico, Haiti, and theDominican Republic, Hurricane Jeanne was weakened to Tropical Stormstatus for several days before it regained strength over the Bahamas asa Category 2 hurricane. When Jeanne made landfall in U.S. territory onSeptember…
Chlorophyll Along U.S. West Coast
The Pacific Coast of North America teams with life because of the rich plant life supported by cold ocean waters. The thriving ecosystem is driven by coastal upwelling where deep ocean water pushes to the surface near the coast. Upwelling…
Floods in Gonaives, Haiti
The wall of water that descended on Gonaives, Haiti, following Tropical Storm Jeanne on September 18, 2004, also scoured out a broad channel in the landscape. The violence of the floods is apparent in the above false-color images, acquired by…
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