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119
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The aftershock sequence of the magnitude 7 earthquake that struck Haiti on Jan. 12, 2010, will continue for months, if not years. The frequency of events will diminish with time, but damaging earthquakes will remain a threat. Michael Blanpied, USGS Associate Earthquakes Hazards Program coordinator, discusses concerns and precautions for the future in Haiti and the Caribbean region as a whole. 
(8:05) |
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118
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As Haiti copes with the aftermath of the magnitude 7 earthquake, which struck on Tuesday, January 12, 2010, the U.S. Geological Survey is working to gather information that can aid response efforts. Michael Blanpied, USGS Earthquakes Hazards Program coordinator, gives an update on the current situation in Haiti and answers questions about the global picture.
(11:51) |
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117
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On January 12, 2010, Haiti was struck by the most violent earthquake in a century. Michael Blanpied, associate coordinator for the USGS Earthquake Hazards Program, answers questions about the earthquake, its severe shaking, and the possibility of additional hazards, such as landslides and a tsunami.
(10:20) |
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116
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Carcinogenic compounds in a popular pavement sealer are tracked indoors, where they show up in high concentrations in house dust. Listen as USGS hydrologist Barbara Mahler explains how she and her team identified the link between polycyclic aromatic hydrocarbons in coal-tar-based pavement sealcoat and house dust.
(10:50) |
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115
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Scientists have reconstructed what the climate conditions were 3 million years ago, and are using these data as one of the closest analogs to estimate future climate conditions. USGS scientists Harry Dowsett and Marci Robinson discuss some of their findings regarding carbon dioxide’s impact, Arctic conditions, and the deep ocean’s system.
(8:29) |
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114
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A magnitude 5.8 earthquake occurred just south of the California-Mexico border shortly before 11 a.m. on Wednesday, December 30, and shaking from this earthquake was widely felt. Ken Hudnut, Southern California Regional Coordinator for the USGS Earthquake Program, spends a few minutes filling in some details about this event.
(6:19) |
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113
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The USGS is investigating the use of Twitter, a popular micro-blogging tool, to collect and analyze citizen accounts of earthquakes around the world. USGS scientists Paul Earle and Michelle Guy discuss this Twitter Earthquake Detection (TED) project.
(7:19) |
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112
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On Thursday December 3, 2009, the USGS celebrated the 125th anniversary of topographic mapping at the USGS National Center in Reston, VA. Hear clips of the celebration in this episode of CoreCast, including the history of USGS mapping, given by Mark DeMulder, director of the National Geospacial Program. Also, Kari Craun, director of the National Geospacial Technical Operation Center, takes us on a tour of brand new USGS mapping products, including US Topo and The National Map Viewer.
(9:15) |
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111
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Thanks to a satellite collar, two innovative scientists, and a blog, people can follow the travels of Brutus, the "North Pole wolf" as he leads his pack through the long arctic winter. Listen as wolf researcher David Mech talks about why he and his team put this satellite collar on Brutus and what they hope to learn about these arctic wolves.
(5:03) |
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110
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When a 40-foot tsunami wave hit the shores of American Samoa on Sept. 29, 2009, thousands of locals made it safely to higher ground, thanks to education efforts and research. Listen to an interview with USGS oceanographer and tsunami researcher Bruce Jaffe as he explains why this post-tsunami research is essential for keeping people safe in future tsunamis.
(4:49) |
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