Category Archives: volcanoes

Hotspot volcanism on Hawaii: textbook vs reality

Just like an iceberg, the parts of the Hawaiian Islands that you see above the ocean surface are dwarfed in volume by the stuff below the waves. For a start, any volcano that forms in the middle of the Pacific … Continue reading

Categories: geology, outcrops, photos, tectonics, volcanoes

Geological maps: still interesting even when there’s only one rock type

The USGS, in collaboration with NASA, have just released a geological map of Jupiter’s ultra-volcanically active moon Io, based on images from the Voyager and Galileo probes. It is a thing of beauty. The sheer variety of different geological units … Continue reading

Categories: geology, planets, volcanoes

Scenic Saturday: from desert to verdant grassland in 10 miles (and 1000 m)

Why large climatic contrasts occur over short distances on Hawaii – and why this is scientifically important. Continue reading

Categories: geomorphology, outcrops, photos, volcanoes

Scenic Sunday: a hike across Hawaiian lava

Fortunately, the schedule for my recent trip to the Big Island of Hawaii included a couple of days of field excursions – I think the conference organisers realised that they would happen regardless, so they decided to make them official … Continue reading

Categories: outcrops, photos, volcanoes

Geological mayhem and destruction in 2012: not the end of the world, just business as usual

We don’t live on a boring planet. 2012 will be plagued by natural disasters, but so is every other year. Continue reading

Categories: antiscience, climate science, earthquakes, geohazards, palaeomagic, public science, volcanoes