A Massive 'Blob' of Rock Stretching Under Asia Might Be Triggering Hundreds of Earthquakes
When you purchase through links on our site , we may earn an affiliate commission . Here ’s how it work . The Hindu Kush mountain ambit — which extend about 500 miles ( 800 kilometers ) along the moulding of Afghanistan and Pakistan — tremor withmore than 100 earthquakesat a order of magnitude of 4.0 or greater every twelvemonth . The sphere is one of the most seismically active spots in the world , especially for intermediate - depth quakes ( tremors organize between 45 and 190 miles , or 70 and 300 kilometer , below the planet ’s surface ) ....