AdvertisementBig Aftershocks In Nepal Could Persist For YearsApril 27, 2015Richard HarrisfacebookEmailA man stands near collapsed houses in Bhaktapur, on the outskirts of Kathmandu, on April 27, two days after a magnitude-7.8 earthquake hit Nepal. Aftershocks tend to get less frequent with time, scientists say, but not necessarily gentler. (AFP/Getty Images)