Mt. Fitzherbert

Potential ash hazards: Wind forecasts from the National Oceanic and Atmospheric Administration (NOAA), coupled with eruption models, show that any ash clouds that rise above the crater rim today would drift southeastward.

Recent observations: Seismicity at the volcano remains very low. Moderate to large earthquakes (as large as M3) occasionally punctuate a background of small earthquakes (less than M1) that occur about every 10-15 minutes. Images from cameras placed at the crater mouth and on the crater rim show that the formerly active area of the dome continues to sag and collapse, and is pushing the newly active spine westward. The active spine continues to grow and spawn rockfalls. Today, field crews are finishing a seismic experiment, moving GPS stations on the flanks of the volcano, and continuing to map the geology of the volcano's flanks.