Erik Klemetti, a genuine volcanologist, produces this blog with commentary and hype-puncturing about all things volcanic.
Breaking Volcano Eruption News
Maintained by volcanologist John Seach, this page on volcanolive.com is where to go for the latest bulletins.
Satellite-based images and animations from the Space Science and Engineering Center, University of Wisconsin.
Earth Observatory's Recent Volcano Images
The U.S. space agency NASA posts satellite images of various kinds, often in startling detail. This page in the Earth Observatory specializes in volcanoes.
GOES Satellite Hot Spot Images
Current images and animations of western hemisphere volcanoes from the GOES satellites, refreshed every 15 minutes. Wait for the big images to load.
Volcanic Live Cams All Over the World
Stromboli On-Line gathers 18 cams on one page.
Global Volcanism Network - Volcanic Activity Reports
Very useful for summaries of recent activity.
Volcano World Update on Current Volcanic Activity
The Volcano World blog does a good and thorough job of staying current.
Japan: Current Eruptions
The one-stop link shop for 15 active Japanese volcanoes.
The Hawaiian Volcano Observatory brings you daily bulletins, with photos and stories, from Kilauea's long-running eruption.
Mauna Loa, Hawai`i
The Hawaii Volcano Observatory keeps close watch on the world's largest volcano.
New Zealand: GeoNet
GeoNet also reports on earthquakes, landslides, tsunamis and more.
Philippines: Volcano Activity
The Philippine Institute of Volcanology & Seismology has this well-hidden page with all bulletins for active volcanoes.
Mostly in Spanish, CENAPRED is the Mexican National University's site for bulletins, images, warnings, and advice about Popocatépetl, near Mexico City.