Pacaya Lava Flow Tourists and guides ignore the official closing of the National Park around Pacaya Volcano to visit the lava flow that originated that afternoon. Credit: Joel Gill, 2014
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Between a Rock and a Hard Place
Science snap (#23): Pacaya Volcano
Pacaya Volcano, Guatemala, is almost continuously erupting, making it one of Guatemala’s most active volcanoes and a popular tourist destination. The volcano last erupted on March 2, 2014, shown in the image here taken by the MODIS instrument on the Terra satellite. Although the volcano has been kicking off since January, in March Pacaya erupted with small explosions and diffuse ash plumes, ...[Read More]
GeoLog
GeoCinema at the 2014 General Assembly
GeoCinema is the home of geoscience films at the EGU General Assembly. This year features 38 fantastic films from across the geosciences, so you can step into some soil science, dive into deep ocean investigations, catch a glimpse of climate change research and more! GeoCinema runs almost continuously throughout the conference, with short films, documentaries and feature length productions playing ...[Read More]
Seismology
125 years since the first recorded seismogram
17th April marks the 125 anniversary of the first ever recorded seismogram from a distant earthquake. The widely recognised first teleseismic seismogram was recorded on April 17, 1889, in Potsdam, Germany by E. von Rebeur-Pacshwitz (Nature, 1889). The earthquake was in Japan and had a magnitude of about 5.8. Ironically the instrument was originally installed for astronomical purposes. The instrume ...[Read More]
GeoLog
EGU 2014: Get the Assembly mobile app!
The EGU 2014 mobile app is now available for iPhones and Android smartphones. To download it, you can scan the QR code available at the General Assembly website or go directly to http://app.egu2014.eu on your mobile device. You will be directed to the version of the EGU 2014 app for your particular smartphone, which you can download for free. Once you open the app, the dashboard will show you four ...[Read More]
Geology for Global Development
External Conference Opportunities
A number of interesting and relevant external conferences have come to our attention this week. If you’re interested in water and sanitation/hydrogeology or disaster risk reduction then these may be of interest to you! — **Hydrogeology and WASH Conference – What can hydrogeologists contribute to safe water supply and poverty reduction?** When: Thursday 5th June 2014 Where: Geolog ...[Read More]
GeoLog
Video Competition finalists – time to get voting!
This year we’re running the first ever EGU Communicate Your Science Video Competition – the aim being for young scientists to communicate their research in a short, sweet and public-friendly video. Our judges have now selected 4 fantastic finalists from the excellent entries we received this year and it’s time to find the best geoscience communication clip! The shortlisted videos will be open to a ...[Read More]
Soil System Sciences
Soil colors – what more could you want?
Nuno Simões University of Algarve, Portugal E-mail: nuno_simoes58@hotmail.com We can easily see that soil color varies from one site to another, with depth, with topographic position and composition. Even color may be light brown in one side of the road and dark brown in the other. Whether for scientific purposes, or just curious, you study the colorimetric interesting variations. Why does soil co ...[Read More]
GeoLog
Imaggeo on Mondays: Villarrica Volcano
This week’s Imaggeo on Mondays highlights the vulnerability of Villarrica’s slopes and zooms in on the volcano’s spectacular crater… Villarrica, one of the largest stratovolcanoes in Chile, is also one of the country’s most active. The volcano is iced by glaciers that make the mountain a stunning scene, but also a dangerous one. The glaciers cover some 30 square-kilometres of the volcano and, duri ...[Read More]
Geology for Global Development
Guest Blog: Groundwater Quality Management in Rural Uttar Pradesh, India
Donald John MacAllister, serves on the Executive Committee of Geology for Global Development. He is currently leading the Hazard Factsheet project. Donald John is a PhD student at Imperial College London and is researching the application of self-potential monitoring to seawater intrusion problems in coastal aquifers. He has a BSc in Geophysics from the University of Edinburgh and an MSc in Commun ...[Read More]