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 Events - NASA Earth Observatory, with Image of the Day
GeoNet - latest NZ quakes, also with drums
New Zealand Quake Live - plots and maps using GeoNet data
Earthquakes@GA - map from Geoscience Australia
USGS earthquake map - M2.5+ last day (global info)
EarthScope Interactive Earthquake Browser
GeoNet tsunami gauges - including de-tided plots from gauges around NZ
Joint Australian Tsunami Warning Centre
US Tsunami Warning Centers - including PTWC, bulletins/warnings issued on earthquakes of M6.5+
Note: For VAAC links and ash cloud modelling see the Aviation page.
GeoNet NZ Volcanic Alert Levels
Weekly volcano report - from Smithsonian Inst.
Volcano World - current volcanic activity reports and information