Thursday, 30 March 2017

Tsunami preparedness

veryone, everywhere should know how to be prepared for tsunamis and what to do to be safe. This is true for people who live or work near the ocean, but also for anyone who may visit someday. Are you in the Zone? provides suggestions and resources for your family or organization to "know your zone" and to learn how to be safe.

Sunday, 26 March 2017

New England’s 1816 “Mackerel Year,” Volcanoes and Climate Change Today

Hundreds of articles have been written about the largest volcanic eruption in recorded history, at Indonesia’s Mt. Tambora just over 200 years ago. But for a small group of New England-based researchers, one more Tambora story needed to be told, one related to its catastrophic effects in the Gulf of Maine that may carry lessons for intertwined human-natural systems facing climate change today.
Read the full article  on the USGS website >>>

Monday, 20 March 2017

The Hashtag Paris map

#berthillon, #mouffetard, #pompidou, #bataclan, #merci , #lacigale...What do you think ??? Well these are a few very popular hashtag used on Twitter about Paris. 

Brought together now on a new map.The names of the metrosations are replaced by the hashtags ; - )

 A Detail of the map:

This is the full Paris hashtag map ! click on it for a larger version

 The original version is to be found on tagsandthecity >>>>

Friday, 17 March 2017

Lava explosions on the Etna surprises BBC crew members

BBC footage captures the moment when lava flow triggered an explosion as it came into contact with snow on Mount Etna in Sicily on Thursday. Ten people, including BBC crew members, were injured in the explosion, which pelted those nearby with boiling rocks and steam. Mount Etna, a Unesco world heritage site since 2013, can burst into life several times year

Wednesday, 15 March 2017

When Permafrost Melts,.......

Scientists allover the world conduct annual expeditions to the polar regions in order to understand the diverse processes in the permafrost an to precisely assess the impacts of it´s degradation. It is clear Permafrost is melting away. What happens when permafrost thaws?

From Twitter:

Friday, 10 March 2017

The smartphone sourcemap

Find out EXACTLY where the 400+ parts of your smartphone come from [Fairphone 2 Sourcemap]

Fairphone was the first brand to register for an official account on Open Sourcemap - and they did it to publish the supply chain of the next-generation ethically sourced Fairphone 2. It's no easy feat considering they were able to trace the phone down to the raw materials' country of origins and the mines themselves in some cases.

See the  map directly on the Fairphone website >>>>>

Wednesday, 8 March 2017

Northern California: Before and after 2017 storms

January 18, 2014: January 2014 was one of the driest Januarys on record in recorded history. Even in winter, much of the vegetation in drought-stricken California appeared brown. Roughly two weeks after this photo was taken, the Sierra snowpack was measured on Feb. 1 at 9 percent of average, the lowest ever for that time of year.

March 1, 2017: After a series of storms slam Northern California throughout January and February, the vegetation greens and the snowpack is at 185 percent of normal.

Sunday, 5 March 2017

Bird migration on a map

Where Geography meets Biology

Swifts born in Beijing’s old imperial palaces travel 16,000 miles every year to southern Africa and back again without touching ground. I was amazed by this track map. Why don't they just go directly south, by example to one of the Indonesian islands? Why do they take a route north of the Himalaya and not south ?

The Guardian wrote also about it >>

Thursday, 2 March 2017

Next big volcanic bang

Looking for the next big volcanic bang? Papua New Guinea would be a good bet. 

If you wanted to pick an area of Earth where you might expect the next, big caldera eruption, you might be hard-pressed to find anyplace with more potential than Papua New Guinea. Geologist Erik Klemetti on Wired.........

 Read more >>>