Volcanic eruptions, earthquakes, tsunamis, landslides
Voices of Volcanology (Facebook)
GNS Hazards: volcanoes, earthquakes, tsunamis, landslides, risk
GNS – GEONET current earthquake-volcanic activity
NIWA Hazards (NZ climate, coastal, sea level, red tide)
Landslide Blog – Dave Petley (AGU & Uni Sheffield)