
Visible (L) and infrared (R) images of Iceland's Eyjafjallajökull volcano, taken 17 April 2010, from the Hyperion instrument onboard NASA's Earth Observing-1 (EO-1) spacecraft, in this combination image. Powerful tremors from the Icelandic volcano that has been a menace for thousands of travellers worldwide rocked the countryside on Sunday as eruptions hurled a steady stream of ash into the sky. EPA/ASHLEY DAVIES / HO EDITORIAL USE ONLY/4

Visible (L) and infrared (R) images of Iceland's Eyjafjallajökull volcano, taken 17 April 2010, from the Hyperion instrument onboard NASA's Earth Observing-1 (EO-1) spacecraft, in this combination image. Powerful tremors from the Icelandic volcano that has been a menace for thousands of travellers worldwide rocked the countryside on Sunday as eruptions hurled a steady stream of ash into the sky. EPA/ASHLEY DAVIES / HO EDITORIAL USE ONLY/4