Nepal quake’s biggest shakes relatively spread out
Minute measurements of ground movement links frequency to type of damage
![Dharahara Tower before and after the 2015 Nepal Quake](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2015/08/080515_ts_Dharahara-Tower_free.jpg?fit=860%2C460&ssl=1)
SHAKEN APART The April 25 Nepal earthquake toppled tall structures such as the 62-meter-tall Dharahara Tower, shown before and after the quake. Most of the earthquake’s waves were at relatively lower frequencies that are damaging to tall structures.
FROM LEFT: Oliphant/Flickr (CC BY-NC-ND 2.0); Parazlaure/Wikimedia Commons (CC BY-SA 3.0)