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Geophysics

Seismologists must leave their comfort zone: A Guest post by Steve Hicks

Scientists studying earthquakes should be prepared to put themselves forward to reduce the risk of earthquake damage. This was one conclusion from a meeting of scientists and engineers in London last week.

Picture yourself here. You are an earthquake scientist. Years of research conclude that a capital city lies close to active fault that has the potential to generate a large earthquake. The local government fails to act on your finding. Speaking at a meeting of the British Geophysical Association, Prof. Eric Calais (ENS, Paris) describes to fellow scientists how he found himself in this situation in 2008.

Predictable damage

In January 2010, that damaging event finally happened: a magnitude 7.0 earthquake striking Haiti. The earthquake killed 320,000 and displaced over 1 million people.

The earthquake was unpredictable; the damage was foreseeable. In Calais’ eyes, the combination of corrupt government and poor building codes was fatal.

In the aftermath of the earthquake, Calais joined the UN’s Development Program to advise on future geohazard policy in Haiti.

Image from: Unitarian Universalist Service Committee (Flickr username: uusc4all; link: http://www.flickr.com/photos/uusc4all/6478823177/sizes/l/)

Image from: Unitarian Universalist Service Committee (Flickr username: uusc4all)

Connecting with policy makers

Calais says that communicating science is difficult in a country that has sustained political and socio-economic problems. Scientists need to reach across a plethora of interested parties – from government and the private sector, to NGOs and foreign aid donors. Keeping lines of communication open is difficult where poverty is rife and public exposure to science is minimal.

By tuning into the objectives of those who write policy, scientists can help to reduce the risks from geohazards. Here is an example to illustrate. Geophysicists often deploy networks of seismometer and GPS instruments to better understand earthquake hazard. To a scientist, this monitoring sounds like a good idea, but policy makers have a different focus. The monitoring network could be adapted into a primitive early-warning system operated by a civil protection agency. From the government’s viewpoint, such an initiative will allow the country to take on responsibility for risk reduction.

The Italian effect

Calais maintains that a gap exists between the makers and users of scientific products. To close the gap, scientists must be the ones to step forward to engage with policy makers and governments.

More researchers are becoming trained in public engagement. Yet there is little emphasis on actively engaging with policy and governance, leaving many scientists without the confidence and skills to stand up for their research at times when it is needed the most. More worrying is the recent prosecution of seismologists in Italy that may cause some geoscientists to disconnect altogether from policy makers, narrowing their comfort zone to an all-time minimum.

The manslaughter conviction was wrong on all levels, yet there are lessons to be learned. With better training for scientists, we are entering a new era for geohazard risk communication. New projects such as Geology for Global Development and Earthquakes without Frontiers plan to set a new precedent for risk communication by combining earthquake science with the social sciences. Because of such initiatives, we can be hopeful that geoscientists’ comfort zone will continue to widen and important science will reach those who need it the most.

Earthquakes: from Mechanics to Mitigation was a meeting organised by the British Geophysical Association at the Geological Society of London on 13th and 14th February 2014.

 

chile_Steve

Stephen Hicks is a Postgraduate Research Student in Earthquake Seismology at the University of Liverpool. His current research involves making 3D images of the earth’s subsurface in order to understand what factors may control large earthquakes in subduction zones. He is currently heads an outreach project supported by the British Geophysical Association that makes information about significant global and UK earthquakes available to the public. His Twitter handle is @seismo_steve.

The Earth’s protective shield

Credit: Wikimedia Commons, Author: NASA/JPL-Caltech/SwRI

Credit: Wikimedia Commons,
Author: NASA/JPL-Caltech/SwRI

I came across this video, which very clearly explains how the Earth’s magnetic field protects us from Solar Storms. It then goes on to explain the link of these phenomena to our planet’s climate. The added bonus is that the images are  very cool and I think the voice over is done by  Liam Neeson…. Does anyone else think so? Anyway, I digress…

For a written account of what is discussed in the brilliant video by NASA, head over to the guest blog post I wrote on Geosphere on how the Earth has an amazing protective shield.

 

Geology makes a difference to Society

The Geological Society of London have just today released a great report highlighting how geology contributes to our society.

All too often the impression is that all geologists do is study rocks. Whilst in essence, this is what we do, the implications of geological research are far reaching and not always understood by the wider public. I think this report is a fantastic piece of science communication (yes, I’m off again!) but more importantly, a great tool for all to appreciate just how important to our every day lives the study of Earth Sciences actually is.

In total, the report covers 12 areas  in which our understanding of geology shapes our daily lives. A maximum of 2 pages are dedicated to each topic, which makes for very clear, quick and easy reading. Topics covered include: Geoengineering, Energy, Geohazards, Climate Change and some unexpected ones: The Anthropocene and Valuing and protecting our environment. Of course, I have a favourite and you won’t be surprised, I’m sure, that it is the pages on Communicating geology: time, uncertainty and risk.

The Societies pages on how geology impacts on society can be found here and can be downloaded as a PDF too.

Credit: Wikimedia Commons, Author:  Alpsdake

Credit: Wikimedia Commons,
Author: Alpsdake

Credit: Wikimedia Commons. Author: R. Clucas. This image is in the public domain because it contains materials that originally came from the United States Geological Survey, an agency of the United States Department of the Interior.

Credit: Wikimedia Commons. Author: R. Clucas. This image is in the public domain because it contains materials that originally came from the United States Geological Survey, an agency of the United States Department of the Interior.

Credit: Wikimedia Commons. Author: de:Benutzer:Alex Anlicker

Credit: Wikimedia Commons. Author: de:Benutzer:Alex Anlicker

A round-up of some newsworthy geomagnetism stories

Happy New Year to you all!

We’ve had a long Christmas break at Geology Jenga, but we are back! For 2014 we’ve got some really interesting 10 minute interviews lined up, as well as the continuation of the ‘Making the most of your PhD’ series and musings on all the things that interest Dan & I. So without further ado, let’s get started!

The past few weeks and months have seen some exciting newsworthy stories regarding the Earth’s magnetic field. I thought I’d highlight a few of them for our first post of the New Year.

The Aurora that never was.

Credit: Wikimedia Commons, user: United States Air Force, This image or file is a work of a U.S. Air Force Airman or employee, taken or made as part of that person's official duties. As a work of the U.S. federal government, the image or file is in the public domain.

Credit: Wikimedia Commons, user: United States Air Force, This image or file is a work of a U.S. Air Force Airman or employee, taken or made as part of that person’s official duties. As a work of the U.S. federal government, the image or file is in the public domain.

On 7th January, there was a large solar flare with an associated fast traveling Coronal Mass Ejection (CME), which was headed straight for the Earth, and was expected to hit our planet by the 9th of January. Space weather scientists, the media and people across the UK and Europe were glued to the night skies in hopes of seeing aurora borealis at abnormally southerly latitudes. Perhaps the excitement surrounding the potential to observe these mysterious phenomena was fueled, at least in the UK, by the timely airing of the first episode of the new series of Star Gazing Live, in which the team (made up of Prof. Brian Cox and comedian Dara O’Brien) took on the challenge to capture the northern lights.

Space weather has featured heavily in the UK media in the run up to the Christmas, as the UK government pledged a £4.6 million investment in the forecast of space weather. From early this year, the Met Office will forecast, deliver alerts and warnings to key sectors that might be adversely affected by  solar flares and CMEs.

Despite the hype, the skies did not deliver. A great blog post by Dr Gemma Kelly, at the geomagnetism team of the British Geological Survey, explains the reasons behind why the Northern lights didn’t quite happen!

For more information on solar flares, CMEs and why they are important: have a look at my guest blog post for GeoSphere on the Earth’s protective shield and also the information pages of the British Geological Survey.

 

Magnetic Interactions 2014

For two days last week, I was at Cambridge University at the UK conference for the geomagnetism community. This year there was also a strong international presence. I would usually write a blog post on the highlights of the research that was

Logo courtesy of Richard Harrison.

Logo courtesy of Richard Harrison.

being showcased at the conference; however, the meeting organisers beat me to it! Read about the science behind fundamental, applied rock and mineral magnetism, as well as, how an ancient voyage by naturalist Alexander von Humboldt might help us understand the geomagnetic field prior to the 1800s  in this blog post by Dr. Richard Harrison, of Cambridge University.

 

It’s been a long time coming: SWARM!

After a long time waiting, the SWARM mission was finally launched on the 22nd November, 2013. A very exciting time for geomagnetist across the globe, as well as the European Space Agency

The SWARM mission is a European Space Agency mission to study the intensity (strength), direction and changes in the Earth’s magnetic field using high precision and resolution measurements collected by instruments aboard three identical satellites. The three satellites will collect data from all the sources of the Earth’s magnetic signal: core, mantle, crust, oceans, ionosphere and the magnetosphere. Two satellites will fly at lower latitudes, whilst the third will fly at a higher altitude to measure all the vectors of the magnetic field and to reduce the uncertainty associated with not having high quality spatial and temporal data.  The data set will be used in models to better understand the Earth’s magnetic behaviour, including how it may be changing over time. It will assist in deciphering processes such as weakening magnetic shield, space weather and radiation hazards.

Photo courtesy of Victoria Ridley, who also baked this impressive SWARM cake!

Photo courtesy of Victoria Ridley, who also baked this impressive SWARM cake!

For a great blog covering the build-up to the mission launch, impressive launch videos and cake, head over to the ESA mission blog. If you are interested in more details about the satellites, the mission aims and all sorts of other details, follow the links in the ESA blog too.