The reawakening of Alaska's Augustine volcano
نویسندگان
چکیده
منابع مشابه
Eruptions of the st. Augustine volcano: airborne measurements and observations.
Airborne measurements of the effluents from the St. Augustine volcano obtained during a 10-day period of activity showed that aerosol was ejected at the rate of about 10(5) kilograms per second during brief eruptions (3 to 8 minutes). Steadier emissions contained much more water vapor and gaseous sulfur but less aerosol mass. A nuée ardente (glowing avalanche) produced by one eruption reached a...
متن کاملParticles in the eruption cloud from st. Augustine volcano.
rate of seaward transport. Although the rate of transport out of the estuary depends on the pattern of vertical migration of developing larvae and on the variance and magnitude of residual drift and tidal currents, many larvae are probably displaced seaward during development, each stage moving further toward the mouth of the estuary (14). Any behavior that would increase the magnitude of the u...
متن کاملDeformation of the Augustine Volcano, Alaska, 1992–2005, measured by ERS and ENVISAT SAR interferometry
The Augustine Volcano is a conical-shaped, active stratovolcano located on an island of the same name in Cook Inlet, about 290 km southwest of Anchorage, Alaska. Augustine has experienced seven significant explosive eruptions—in 1812, 1883, 1908, 1935, 1963, 1976, 1986, and in January 2006. To measure the ground surface deformation of the Augustine Volcano before the 2006 eruption, we applied s...
متن کاملConfirmation and Calibration of Computer Modeling of Tsunamis Produced by Augustine Volcano, Alaska
Numerical modeling has been used to calculate the characteristics of a tsunami generated by a landslide into Cook Inlet from Augustine Volcano. The modeling predicts travel times of ca. 50-75 minutes to the nearest populated areas, and indicates that significant wave amplification occurs near Mt. Iliamna on the western side of Cook Inlet, and near the Nanwelak and the Homer-Anchor Point areas o...
متن کاملPyroclastic Flow Deposits and InSAR: Analysis of Long-Term Subsidence at Augustine Volcano, Alaska
Deformation of pyroclastic flow deposits begins almost immediately after emplacement, and continues thereafter for months or years. This study analyzes the extent, volume, thickness, and variability in pyroclastic flow deposits (PFDs) on Augustine Volcano from measuring their deformation rates with interferometric synthetic aperture radar (InSAR). To conduct this analysis, we obtained 48 SAR im...
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ژورنال
عنوان ژورنال: Eos, Transactions American Geophysical Union
سال: 2006
ISSN: 0096-3941
DOI: 10.1029/2006eo370002