The incident was the highest death toll ever recorded in a single incident on the mountain when it happened at 6.30am on Friday morning.Irish adventurer Pat Falvey reassured people on his blog that two of his team were not high Mount Everest at the time the avalanche struck.He said climbers, trekkers and Sherpas are "in shock" at what has happened.Mr Falvey wrote: "I'm making this blog to reassure all the families of our group out here that everyone is ok and safe and sound."We are all saddened at the deaths of the climbers on Everest and news is only coming slowly from Base camp to who and how many lives have been lost. Our thoughts are with them. We all pass on our sincere condolences to those who will not be returning to their families."Climbers, trekkers and all the Sherpa community are in shock of this sad occurrence."