WMO Severe Weather Information Centre (v2.0) - links to observations and official forecasts/warnings
GDACS - Global Disaster Alert and Coordination System
Disaster Alert - from the Pacific Disaster Center (PDC)
Global Natural Hazards - NASA Earth Observatory
» with a selected Image of the Day
NOAA Satellite and Information Service - with real-time and imagery of interest
GeoNet Quakes homepage
» with latest quake info, recent quakes/map and drum recordings
New Zeland Quake Live - plots and maps using GeoNet data
USGS National Earthquake Info. Center - Global info.
» realtime quake map with interactive controls for time/magnitude
» also with quake size comparison calculator (see also the explanation/example page)
IRIS Seismic Monitor - data+graphs of the latest quakes (global) - USGS data
GeoNet tsunami gauges - including de-tided plots from gauges around NZ
Long Waves - alternative plots of GeoNet data
Pacific Tsunami Warning Center - bulletins/warnings issued on earthquakes of M6.5+
NOAA NWS US Tsunami Warning System
Note: For VAAC links and ash cloud modelling see the Aviation page.
GeoNet NZ Volcano Activity - with Alert Level Summary and Aviation Colour Code
Weekly volcano report - from Smithsonian Inst.
Volcano World - current volcanic activity reports and information