agu会议已经结束了，由于时间安排或未参加会议的同志也不要悲伤，一些重要的session和union 都有录像，因为我只关心活动构造的相关的东西，以下是我收集的一些session的录像。
日本大地震section：

A small comfort for all those who have missed the AGU2011 fall meeting (and so did I) might be that some sessions are now available on video for free. The AGU session on demand page has lots of videos, among them four sessions on the 2011 Tohoku earthquake and tsunami. So if you’re ready for ~8 hrs of earthquake talks, you should definitely have a look.

AGU2011 Tohoku earthquake session

The April 2010 M7.2 Baja, Calif. Quake:

On April 4, 2010, a long-locked segment of the boundary between the massive Pacific and North American tectonic plates ruptured violently just south of California's border with Mexico. While not "The Big One" that Southern Californians have long feared, the resulting magnitude 7.2 earthquake--the region's largest in nearly 120 years--was nonetheless an important earthquake. Felt throughout northern Baja California and a broad region of the American Southwest, the quake killed two, injured hundreds and caused substantial damage. But beyond its obvious physical effects, the quake has proven to be one of the most complex ever documented along the Pacific/North American tectonic plate margin, providing scientists a unique opportunity to better understand earthquake processes along this volatile plate boundary. New techniques of remote sensing and image analysis developed by NASA and other agencies have revealed numerous surprises about the quake and have greatly aided field geologists in mapping and understanding the rupture. In this briefing, observations of the quake and its aftermath by scientists at NASA, the U.S. Geological Survey, California Geological Survey and the Center for Scientific Research and Higher Education at Ensenada, Baja, Calif., will be detailed, along with results of new data analyses that show how this quake has increased the potential for additional large earthquakes throughout Southern California.

2010 M7.2 Baja, Calif. Quake

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