Potential dangers from both natural processes (e.g., earthquakes, floods, and climate change) and human impacts on the environment.
Latest earthquakes [ More info] Real-time earthquake maps of the conterminous U.S., Alaska, Hawaii, and Puerto Rico displaying magnitude and location of earthquake activity in the past hour, past day, and past week.
Latest worldwide earthquakes [ More info] Near real-time list of earthquakes recently occurring anywhere in the world.
Liquefaction maps and data for the San Francisco Bay area [ More info] Explains liquefaction, where it occurs, how it affects people, and what can be done about it. Includes maps and data.
Marin tsunami (video) [ More info] Guidelines for correct tsunami response and community preparedness from local emergency managers, first-responders, and leading experts on tsunami hazards and warnings.
Mass Wasting Following the 2002 Missionary Ridge Fire near Durango, Colorado, a Field Trip Guidebook [ More info] Guidebook with photos, maps, and diagrams explaining how forest fires have affected the likelihood of mass wasting, with discussions of steps taken to minimize future impacts.
Mauna Loa current activity [ More info] Current activity of Mauna Loa Volcano with news, GPS data, electronic tiltmeter data, and current seismicity plus links to long term monitoring.
Mauna Loa, Earth's largest volcano [ More info] Current activity, hazards, and history of eruptions of Mauna Loa.
Monitoring and analysis of sand dune movement and growth on the Navajo Nation, southwestern United States [ More info] We combine long-term records from aerial photographs, detailed mapping using survey-grade GPS, and ground-based lidar with meteorological monitoring. Sand dune migration rates are currently about 35 meters per year.
Monitoring data of the Long Valley caldera and Mono-Inyo Craters volcanic chain, California [ More info] Describes the monitoring effort and provides real-time data of the current restless activity of the caldera, including earthquakes, ground deformation, and release of volcanic gas and plus link to volcano monitoring techniques.
Monitoring floods and fires during the summer of 2011--The value of the Landsat satellite 40-year archives [ More info] Examples showing the use of historical satellite imagery for assessing the extent and severity of landscape hazards such as fires and floods.
Alphabetical Index of Topics
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