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Hazards
Potential dangers from both natural processes (e.g., earthquakes, floods, and climate change) and human impacts on the environment.
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Earthquake hazards (52 items)
Harmful algal blooms (0 items)
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Results 101 - 110 of 171 listed by similarity [list alphabetically]
Encounters of aircraft with volcanic ash clouds; A compilation of known incidents, 1953-2009 [More info]
Of 129 reported incidents, 94 are confirmed ash encounters, 79 of which entailed airframe or engine damage; 20 are low-severity events involving suspected ash or gas clouds; for 15 the data are insufficient to assess severity.
PDF Epic Flooding in Georgia, 2009 [More info]
In September of 2009, flooding in parts of Georgia reached levels expected every 500 years. Specific measurements we made and other facts about these disasters described here should help people prepare for floods here and elsewhere.
Eruption warning and real-time notifications [More info]
Describes strategy of volcano warnings and the real-time detection of a sudden eruption or lahar and immediate notification of the activity to the public and local, state, and federal emergency-management officials.
Eruptions from the Inyo chain about 600 years ago: sequence of events and effects in the Long Valley Area [More info]
Describes the volcanic activity that occurred along the southern part of the Mono-Inyo Craters volcanic chain in California about 600 years ago.
Eruptions of Lassen Peak, California, 1914 to 1917 [More info]
Summary of the most recent eruption of Lassen Peak, Cascades (1914-1917)
Eruptions of Mount St. Helens: past, present, future [More info]
Online booklet on the 1980 eruption of Mount St. Helens, past history, and future hazards.
Fire ecology research [More info]
Study of wildland fire history and fire ecology such as plants in the Sierra Nevada forests, California shrublands, the Mojave, and Sonoran deserts to develop management techniques that will reduce hazards.
Flood frequency [More info]
Links to Office of Surface Water memos, reference publications, training guides, and software for computing flood frequency.
Flood of April and May 2008 in Northern Maine [More info]
Characteristics and effects of a flood in this area.
Geographic Analysis and Monitoring Program [More info]
Geographic Analysis and Monitoring Program (GAM) conducts studies about land surface change, environmental and human health, fire and urban ecology, and natural hazards to help decision-makers in land-use planning and land management.
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