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Earthquake Raises Reefs in t …
Title Earthquake Raises Reefs in the Solomon Islands
Description When people talk about change happening on a geologic time scale, most of the time, they mean that the change happens over the course of millions of years: the Colorado River gradually cuts through the soft rock of the Colorado Plateau until it has made a 4,000-foot-deep chasm, the Grand Canyon, continents drift centimeters at a time, slowly changing the shape and position of landmasses on the Earth. Most of the time, change is slow, but sometimes, geologic change happens all at once. This was the case on Ranongga Island in the Solomon Islands. In the early morning hours of April 2, 2007, a magnitude 8.1 earthquake shook the Solomon Islands, its epicenter southwest of Ranongga Island. The huge quake pushed much of the island up, raising the coral reefs that ringed the island above the water. In the course of a few minutes, Ranongga Island acquired several meters of new beach. The newly exposed reef forms a gray rim along the eastern shore of the island in the left image, acquired by the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) on April 12, 2007. In the right image, taken on March 31, 2006, the shallowly submerged reefs color the water a lighter shade of blue. The uplift may be more dramatic than the images show. When ASTER took the 2007 image, the tide was 29.4 centimeters higher than it was when the 2006 image was taken, and yet the uplift is still visible. The lush vegetation that covers the tropical island is bright red in this image, which is made from both visible and infrared light. Out of its aquatic environment, the reef died, becoming the foundation of new land. Such evolution is common in earthquake zones in the Pacific and Indian Oceans. During the December 26, 2004, earthquake that generated the massive Indian Ocean tsunami, Simeulue Island was lifted as much as 150 centimeters (4.9 feet), exposing the reef that surrounded it. A similar set of exposed fossilized reefs on the shores of Papua New Guinea, near the Solomon Islands, provided proof that wobbles in the Earth's orbit trigger ice ages. NASA image created by Jesse Allen, using data provided courtesy of the NASA/GSFC/MITI/ERSDAC/JAROS, and U.S./Japan ASTER Science Team. [ http://asterweb.jpl.nasa.gov/ ]Thanks to Aron Meltzner, California Institute of Technology, for help with image interpretation.
Earthquake Raises Reefs in t …
Title Earthquake Raises Reefs in the Solomon Islands
Description When people talk about change happening on a geologic time scale, most of the time, they mean that the change happens over the course of millions of years: the Colorado River gradually cuts through the soft rock of the Colorado Plateau until it has made a 4,000-foot-deep chasm, the Grand Canyon, continents drift centimeters at a time, slowly changing the shape and position of landmasses on the Earth. Most of the time, change is slow, but sometimes, geologic change happens all at once. This was the case on Ranongga Island in the Solomon Islands. In the early morning hours of April 2, 2007, a magnitude 8.1 earthquake shook the Solomon Islands, its epicenter southwest of Ranongga Island. The huge quake pushed much of the island up, raising the coral reefs that ringed the island above the water. In the course of a few minutes, Ranongga Island acquired several meters of new beach. The newly exposed reef forms a gray rim along the eastern shore of the island in the left image, acquired by the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) on April 12, 2007. In the right image, taken on March 31, 2006, the shallowly submerged reefs color the water a lighter shade of blue. The uplift may be more dramatic than the images show. When ASTER took the 2007 image, the tide was 29.4 centimeters higher than it was when the 2006 image was taken, and yet the uplift is still visible. The lush vegetation that covers the tropical island is bright red in this image, which is made from both visible and infrared light. Out of its aquatic environment, the reef died, becoming the foundation of new land. Such evolution is common in earthquake zones in the Pacific and Indian Oceans. During the December 26, 2004, earthquake that generated the massive Indian Ocean tsunami, Simeulue Island was lifted as much as 150 centimeters (4.9 feet), exposing the reef that surrounded it. A similar set of exposed fossilized reefs on the shores of Papua New Guinea, near the Solomon Islands, provided proof that wobbles in the Earth's orbit trigger ice ages. NASA image created by Jesse Allen, using data provided courtesy of the NASA/GSFC/MITI/ERSDAC/JAROS, and U.S./Japan ASTER Science Team. [ http://asterweb.jpl.nasa.gov/ ]Thanks to Aron Meltzner, California Institute of Technology, for help with image interpretation.
Earthquake Raises Reefs in t …
Title Earthquake Raises Reefs in the Solomon Islands
Description When people talk about change happening on a geologic time scale, most of the time, they mean that the change happens over the course of millions of years: the Colorado River gradually cuts through the soft rock of the Colorado Plateau until it has made a 4,000-foot-deep chasm, the Grand Canyon, continents drift centimeters at a time, slowly changing the shape and position of landmasses on the Earth. Most of the time, change is slow, but sometimes, geologic change happens all at once. This was the case on Ranongga Island in the Solomon Islands. In the early morning hours of April 2, 2007, a magnitude 8.1 earthquake shook the Solomon Islands, its epicenter southwest of Ranongga Island. The huge quake pushed much of the island up, raising the coral reefs that ringed the island above the water. In the course of a few minutes, Ranongga Island acquired several meters of new beach. The newly exposed reef forms a gray rim along the eastern shore of the island in the left image, acquired by the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) on April 12, 2007. In the right image, taken on March 31, 2006, the shallowly submerged reefs color the water a lighter shade of blue. The uplift may be more dramatic than the images show. When ASTER took the 2007 image, the tide was 29.4 centimeters higher than it was when the 2006 image was taken, and yet the uplift is still visible. The lush vegetation that covers the tropical island is bright red in this image, which is made from both visible and infrared light. Out of its aquatic environment, the reef died, becoming the foundation of new land. Such evolution is common in earthquake zones in the Pacific and Indian Oceans. During the December 26, 2004, earthquake that generated the massive Indian Ocean tsunami, Simeulue Island was lifted as much as 150 centimeters (4.9 feet), exposing the reef that surrounded it. A similar set of exposed fossilized reefs on the shores of Papua New Guinea, near the Solomon Islands, provided proof that wobbles in the Earth's orbit trigger ice ages. NASA image created by Jesse Allen, using data provided courtesy of the NASA/GSFC/MITI/ERSDAC/JAROS, and U.S./Japan ASTER Science Team. [ http://asterweb.jpl.nasa.gov/ ]Thanks to Aron Meltzner, California Institute of Technology, for help with image interpretation.
Plume at Mount Bagana, Bouga …
Title Plume at Mount Bagana, Bouganville Island
Description Bouganville Island is geographically part of the Solomon Islands chain to the east of Papua New Guinea. (Politically, the island is part of Papua New Guinea.) Bouganville is typical of many Pacific Rim islands in that volcanism has played a large part in both its geological and recorded history. The island hosts three large volcanoes along its northwest-southeast trending axis: Mount Balbi, Mount Bagana, and the Mount Takuan volcanic complex. Mount Bagana, located near image center in this astronaut photograph, is the only historically active volcano on the island. Within Bouganville's lush landscape, light green vegetation and brown lava flows mark the 1,750-meter-high lava cone of Mount Bagana. The lighter color of vegetation could result from volcanic activity, higher altitude, or both. The eruptive style of the volcano is typically non-explosive, producing thick lobes of lava that run down the flanks and maintain a dome in the summit crater. Occasional pyroclastic flows of rock fragments and volcanic ash have also occurred. The most recent phase of activity, which began on March 7, was characterized by vapor plumes with occasional ash-producing emissions. This astronaut photograph, acquired 20 days after the last reported activity at Bagana, shows a diffuse white vapor plume extending west-southwest from the summit. The Solomon Island region experiences other effects due to the geologic setting. On April 1, 2007, a large but shallow earthquake [ http://earthobservatory.nasa.gov/Newsroom/NewImages/images.php3?img_id=17603 ] shook the region and induced a tsunami that hit the western part of the Solomon Island chain. The featured astronaut photograph ISS014-E-18844 [ http://eol.jsc.nasa.gov/scripts/sseop/photo.pl?mission=ISS014&roll=E&frame=18844 ] was acquired on April 2, 2007, with a Kodak digital camera using an 180 mm lens, and is provided by the ISS Crew Earth Observations experiment and the Image Science & Analysis Laboratory, Johnson Space Center. The image in this article has been cropped and enhanced to improve contrast. The International Space Station Program [ http://spaceflight.nasa.gov/home/index.html ] supports the laboratory to help astronauts take pictures of Earth that will be of the greatest value to scientists and the public, and to make those images freely available on the Internet. Additional images taken by astronauts and cosmonauts can be viewed at the NASA/JSC Gateway to Astronaut Photography of Earth. [ http://eol.jsc.nasa.gov/ ]
Plume from Bagana, Bougainvi …
Title Plume from Bagana, Bougainville Island
Description Bagana Volcano on Bougainville Island in Papua New Guinea sent a wispy plume southward on June 28, 2007. The Moderate Resolution Imaging Spectroradiometer (MODIS) [ http://modis.gsfc.nasa.gov/ ] flying on NASA's Terra [ http://terra.nasa.gov/ ] satellite took this picture the same day. In this image, Bagana's plume appears dingy gray, snaking its way over Bougainville and the Solomon Sea.Bagana [ http://www.volcano.si.edu/world/volcano.cfm?vnum=0505-02= ] is a symmetrical cone formed from hardened lava left by previous eruptions. At approximately 1,750 meters (5,740 feet) high, the volcano is one of the youngest and most active volcanoes in Melanesia. You can download a 250-meter-resolution KMZ file of Bagana [ http://earthobservatory.nasa.gov/NaturalHazards/Archive/Jul2007/bagana_tmo_2007179.kmz ] suitable for use with Google Earth. [ http://earth.google.com/ ] NASA image created by Jesse Allen, using data provided courtesy of the MODIS Rapid Response [ http://rapidfire.sci.gsfc.nasa.gov/ ] team.
Plume from Manam
Title Plume from Manam
Description On April 28, 2007, Manam Volcano, just off the coast of mainland Papua New Guinea, released a plume of ash and/or steam. The Moderate Resolution Imaging Spectroradiometer (MODIS) [ http://modis.gsfc.nasa.gov ] on NASA's Terra [ http://terra.nasa.gov ] satellite captured this image the same day. This image shows a small, faint plume from the volcano blowing toward the west. Forming an arc around the plume on the eastern side is a small bank of clouds. This image also captures two brownish-green sediment plumes flowing off Papua New Guinea east of Manam.Manam [ http://www.volcano.si.edu/world/volcano.cfm?vnum=0501-02= ] is a stratovolcano composed of alternating layers of solidified lava, hardened ash, and volcanic rocks. The 10-kilometer- (6-mile-) wide island ranks among Papua New Guinea's most active volcanoes. You can download a 250-meter-resolution Manam KMZ file [ http://earthobservatory.nasa.gov/NaturalHazards/Archive/May2007/manam_tmo_2007118.kmz ] for use with Google Earth. [ http://earth.google.com/download-earth.html ] NASA image created by Jesse Allen, using data provided courtesy of the MODIS Rapid Response [ http://rapidfire.sci.gsfc.nasa.gov/ ] team.
Volcanic Activity on Manam
Title Volcanic Activity on Manam
Description The volcanic island of Manam, located off the coast of mainland Papua New Guinea, released a plume beginning on June 17, 2007. The Moderate Resolution Imaging Spectroradiometer (MODIS) [ http://modis.gsfc.nasa.gov ] on NASA's Aqua [ http://aqua.nasa.gov ] satellite captured this image on June 18. In this image, the plume blows eastward from the tiny island toward the mainland. The plume's pale color suggests that it is comprised predominantly of water vapor. At the summit is a particularly bright white puff, which could be part of the plume or a cloud. (Clouds often collect at volcanic summits.)Manam [ http://www.volcano.si.edu/world/volcano.cfm?vnum=0501-02= ] is a stratovolcano composed of alternating layers of hardened lava, solidified ash, and rocks ejected by previous eruptions. The 1,807-meter (5,928-foot) island is one of Papua New Guinea's most active volcanoes. You can download a 250-meter-resolution KMZ file of Manam [ http://earthobservatory.nasa.gov/NaturalHazards/Archive/Jun2007/manam_amo_2007169.kmz ] for use with Google Earth. [ http://earth.google.com/download-earth.html ] NASA image created by Jesse Allen, using data provided courtesy of the MODIS Rapid Response [ http://rapidfire.sci.gsfc.nasa.gov/ ] team.
Earthquake Raises Reefs in t …
nasa, nasanaturalhazards
When people talk about chang …
eranongga_ast_2006090_lrg
mediatype IMAGE
mediatype image
date 2007-04-12
creator NASA -- NASA Image Of The Day
identifier eranongga_ast_2006090_lrg
Earthquake Raises Reefs in t …
nasa, nasanaturalhazards
When people talk about chang …
eranongga_ast_2006090_lrg
mediatype IMAGE
mediatype image
date 2007-04-12
creator NASA -- NASA Image Of The Day
identifier eranongga_ast_2006090_lrg
Earthquake Raises Reefs in t …
nasa, nasanaturalhazards
When people talk about chang …
eranongga_ast_2006090_lrg
mediatype IMAGE
mediatype image
date 2007-04-12
creator NASA -- NASA Image Of The Day
identifier eranongga_ast_2006090_lrg
Volcanic Activity on Manam: …
nasa, nasanaturalhazards
The volcanic island of Manam …
manam_amo_2007169
mediatype IMAGE
mediatype image
date 2007-06-18
creator NASA -- NASA Image Of The Day
identifier manam_amo_2007169
Plume from Bagana, Bougainvi …
nasa, nasanaturalhazards
Bagana Volcano on Bougainvil …
bagana_tmo_2007179
mediatype IMAGE
mediatype image
date 2007-06-28
creator NASA -- NASA Image Of The Day
identifier bagana_tmo_2007179
Plume at Mount Bagana, Bouga …
nasa, nasaimageofthedaygalle …
Bouganville Island is geogra …
ISS014-E-18844
mediatype IMAGE
mediatype image
date 2007-04-01
creator NASA -- The featured astronaut photograph eol.jsc.nasa.gov/scripts/sseop/photo.pl?mission=ISS014&roll=E&frame=18844 ISS014-E-18844 was acquired on April 2, 2007, with a Kodak digital camera using an 180 mm lens, and is provided by the ISS Crew Earth Observations experiment and the Image Science & Analysis Laboratory, Johnson Space Center. The image in this article has been cropped and enhanced to improve contrast. The spaceflight.nasa.gov/home/index.html International Space Station Program supports the laboratory to help astronauts take pictures of Earth that will be of the greatest value to scientists and the public, and to make those images freely available on the Internet. Additional images taken by astronauts and cosmonauts can be viewed at the NASA/JSC eol.jsc.nasa.gov/ Gateway to Astronaut Photography of Earth.
identifier ISS014-E-18844
Earthquake Raises Ranongga I …
nasa, nasaimageofthedaygalle …
When people talk about chang …
ge_07609
mediatype IMAGE
mediatype image
date 2007-04-12
creator NASA -- NASA image created by Jesse Allen, using data provided courtesy of the NASA/GSFC/MITI/ERSDAC/JAROS, and U.S./Japan asterweb.jpl.nasa.gov/ ASTER Science Team. Thanks to Aron Meltzner, California Institute of Technology, for help with image interpretation.
identifier ge_07609
Earthquake Raises Ranongga I …
nasa, nasaimageofthedaygalle …
When people talk about chang …
ge_07609
mediatype IMAGE
mediatype image
date 2007-04-12
creator NASA -- NASA image created by Jesse Allen, using data provided courtesy of the NASA/GSFC/MITI/ERSDAC/JAROS, and U.S./Japan asterweb.jpl.nasa.gov/ ASTER Science Team. Thanks to Aron Meltzner, California Institute of Technology, for help with image interpretation.
identifier ge_07609
Earthquake Raises Ranongga I …
nasa, nasaimageofthedaygalle …
When people talk about chang …
ge_07609
mediatype IMAGE
mediatype image
date 2007-04-12
creator NASA -- NASA image created by Jesse Allen, using data provided courtesy of the NASA/GSFC/MITI/ERSDAC/JAROS, and U.S./Japan asterweb.jpl.nasa.gov/ ASTER Science Team. Thanks to Aron Meltzner, California Institute of Technology, for help with image interpretation.
identifier ge_07609
Earthquake Raises Ranongga I …
nasa, nasaimageofthedaygalle …
When people talk about chang …
ge_07609
mediatype IMAGE
mediatype image
date 2007-04-12
creator NASA -- NASA image created by Jesse Allen, using data provided courtesy of the NASA/GSFC/MITI/ERSDAC/JAROS, and U.S./Japan asterweb.jpl.nasa.gov/ ASTER Science Team. Thanks to Aron Meltzner, California Institute of Technology, for help with image interpretation.
identifier ge_07609
Earthquake Raises Ranongga I …
nasa, nasaimageofthedaygalle …
When people talk about chang …
ge_07609
mediatype IMAGE
mediatype image
date 2007-04-12
creator NASA -- NASA image created by Jesse Allen, using data provided courtesy of the NASA/GSFC/MITI/ERSDAC/JAROS, and U.S./Japan asterweb.jpl.nasa.gov/ ASTER Science Team. Thanks to Aron Meltzner, California Institute of Technology, for help with image interpretation.
identifier ge_07609
Plume from Manam: Natural Ha …
nasa, nasanaturalhazards
On April 28, 2007, Manam Vol …
manam_tmo_2007118
mediatype IMAGE
mediatype image
date 2007-04-28
creator NASA -- NASA Image Of The Day
identifier manam_tmo_2007118
General Description International Space Station Imagery
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