Global earthquakes from 2001 to 2015, animation

Videonummer 12329243
Global earthquakes from 2001 to 2015. Animation of a global map centred on the Pacific Ocean, showing every recorded earthquake in sequence as they occurred from 1 January 2001 to 31 December 2015. The rate is 30 days per second. The earthquakes first appear as flashes, then remain as coloured circles before shrinking with time. The size of the circle represents the earthquake magnitude, while while the colour represents its depth within the Earth. At the end of the animation (1:32), all the earthquakes are shown together, followed by the earthquakes greater than magnitude 6.5 (the smallest size known to make a tsunami). Finally, the clip concludes with the earthquakes with magnitudes of magnitude 8.0 or larger, the 'great' earthquakes most likely to pose a tsunami threat if shallow and near a coastline. During the 15-year period covered by this animation 20 earthquakes had a magnitude of 8.0 or larger. These included some devastating tsunami-inducing earthquakes, such as the 9.1 magnitude in Sumatra (26 December 2004), 8.1 magnitude in Samoa (29 September 2009), 8.8 magnitude in Chile (27 February 2010), and 9.0 magnitude off Japan (11 March 2011). These large earthquakes mostly occur at subduction zones at plate boundaries.
Lizenzart: Lizenzpflichtig
Credit: Science Photo Library / NOAA / NASA Blue Marble / USGS National Earthquake Information Center / NOAA Pacific Tsunami Warning Center
Modell-Rechte: nicht erforderlich
Länge: 01:46 Minuten
Seitenverhältnis: 16:9
Restrictions: -

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