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Free online risk mapping activity for all Geographers

Geographical Association Silver Publishers Award 2016

Over 9,000 students have already taken part

Click here to find out more



Vistors to GIS event site


Ashcloud Apocalypse

A hazard risk mapping activity for Geographers

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This event was launched on GIS Day 2015. Students can now freely access these resources. Students will learn about disaster risk mapping by examining and mapping the risks from a mega volcanic eruption for the area they live. Click the "risk map activity" below to complete the activity and the "Ashcloud risk results map" below to examine the results. 


Activity details

Risk map activity for PC/ Mac/ Laptop

Promotional videos

Risk map activity for Tablets

Teaching resources

Paper copy of risks table

Event in the news

Ashcloud risk results map

About me

GIS in schools

Home page video

Esri UK and GDST: supporting GIS in schools

Raphael CV

The event has been created by

Raphael Heath, Head of Geography, and Digital Technology Education Consultant, Royal High School Bath, GDST (Girls Day School Trust)


Raphael Heath, was presented with the Royal Geographical Society Ordnance Survey Award for Excellence in Secondary Education in 2015.

He organised the 2014, 2015 and 2016Map Off events in which over 20,000 students have participated.

He was awarded a Silver Publishers Award from the Geographcial Associationin 2016 for the Ashcloud Apocalypse risk mapping activity. 

He won the Esri UK Best Community Project Award for the 2014 GIS Day World Record Event.

He was awareded a Goldsmiths Company professional development grant to develop his GIS expertise and events in April 2016. 

He has produced a sereis of resources for the RGS innovative teaching grant on developing an A level investigation into the geography of crime using GIS. 

He has contributed resources to theGeographical Assocation GIS support resources webpage. 

His new role as Digital Technology Education Consultant involves promoting innovation in the use of technology across the GDST group of 26 schools. 

He is a GDST Lead Subject Championpromoting collaboration in Geography across a network of 26 schools around the UK.

He is one of Esri UK's Centre of Excellencein GIS Education.

He is a Fellow of the Royal Geographical Society and a Chartered Geographer.

He has presented at conferences, published articles and run courses in various aspects of Geography teaching and uses of GIS. 


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