Where was that earthquake and how big was it?

We have a new GNS Science video today that explains how scientists locate the source of an earthquake and then calculate the magnitude. John Ristau, from GNS Science’s GeoNet programme talks through the steps of the process…

And in case you missed this earlier video, here is Matt Gerstenberger, describing how earthquake forecasts are made using statistics derived from global aftershock sequences:

Welcome to my site

Hi I’m Julian Thomson and I am involved in science communication and education in ways that link geoscientists with teachers and students, mostly in New Zealand, but also in Asia. This includes consultancy with school faculties and individual teachers around their earth science, ecology or outdoor programmes, running geoscience workshops and field trips, creating school learning resources, making educational videos and authoring web pages.

In my work I love to highlight the wonders of the natural world and ways that we can explore, become fascinated and never lose the sense of awe. I am also very interested in ways we can best safeguard ourselves from Natural Hazards which are a continual issue in New Zealand, sitting across a collision plate boundary as we do.

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