Category Archives: Image

Poverty and natural disasters

Over the last 20 years, 90% of all deaths due to natural disasters occurred in low and middle-income countries.

More information: https://www.weforum.org/agenda/2016/10/why-ending-poverty-is-key-to-reducing-deaths-from-disasters

disasters_poverty

Earth’s Average Temperature since the last ice age

A fantastic figure created by the wonderful Randall Munroe of xkcd.

 

Mega-plumes from volcanic eruptions on Io

500km high eruption plumes on Jupiter’s moon Io, the most volcanically active object ever discovered!

Io_eruption
Image source: New Horizons mission, NASA

Increasing frequency of natural disasters

The frequency and severity of natural disasters is increasing.

For more information, see the new World Bank report: Closing the gap : building resilience to natural disasters and man-made shocks through social safety nets

NatDisas_frequency
Source: CRED/OFDA International Disaster Database.

 

High likelihood of large earthquakes for Wasatch Front Region, USA

A new USGS report calculates a 43% chance of at least one large (magnitude 6.75 or greater) earthquake for the Wasatch Front region of of Utah, Idaho, and Wyoming in the next 50 years.

Full report: http://on.doi.gov/1SOKeQp

Idaho_quake_forecast

North Korea’s nuclear test detected on seismographs

North Korea’s nuclear test today created a magnitude 5.1 earthquake equivalent seismic signal and has been measured on seismographs around the world.

More info: http://ds.iris.edu/ds/nodes/dmc/specialevents/2016/01/05/2016-north-korean-nuclear-test

NKorea4comparison_IRIS
Seismic recordings of vertical ground motion. (Andy Frassetto, IRIS)

Mangrove forests protect against tsunamis

The tsunami in 2004 demonstrated that land protected by mangrove forests suffered far less damage than areas felled for resorts and farming.Mangrove_Peyri_Herrera_Flickr2