In addition, the weather bureau introduced its Landslide Early Warning Sensor (LEWS) (recently invented by the University of the Philippines) to reduce landslide casualties in case of landslides. Using this new device, the sensor picks out signals in the form of computer data to show soil and ground movements and is transferred to the ground station immediately in an event of a landslide, and in order to launch forced evacuation. PAGASA hopes to install 10 sensors in five landslide prone areas by 2012, when it is tested and ready to bury on ground.