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» Earth Hazards

Event Monitoring

Canterbury Regional Council - Air Pollution info

Global Natural Hazards - NASA Earth Observatory
» with a selected Image of the Day
NOAA Environmental Visualization Laboratory - with topical imagery and animations

Earthquakes

GoeNet homepage with near real-time seismograph shaking intensity and drum recordings
» also with info for the latest NZ earthquake and recent earthquakes
QuakeMap NZ - nice visualisation of recent quakes on a Google Map, also with list of quakes and magnitudes
Canterbury Quake Live - plots and maps of quakes near Christchurch

USGS National Earthquake Info. Center - Global info.
» incl list of worldwide magnitude 5.0+ in last 7 days with RSS feed
» also with quake size comparison calculator (see also the explanation/example page)
IRIS Seismic Monitor - data+graphs of the latest quakes (global) - USGS data

Tsunami

Pacific Tsunami Warning Center - bulletins/warnings issued on earthquakes of mag 6.5 or more
West Coast and Alaska Tsunami Warning Center

GeoNet Tsunami Gauges - de-tided plots from gauges around NZ
Long Waves - alternative plots of GeoNet data

Volcanoes

Note: For VAAC links and ash cloud modelling see the Aviation page.

GeoNet NZ Volcano Activity - with Alert Level Summary, also see recent Volcano Alert Bulletins

Volcano World - current volcanic activity reports and information
Active Volcano Map - via Google Maps
Weekly volcano report - from Smithsonian Inst. & USGS (with map - req. Java)