Mauna Loa, or Long Mountain in Hawaiian, is located on the island of Hawaii. It is pictured above rising 13,680 ft. (4,170 m) above sea level (this photo was taken from over Loihi seamount, some 30 km or so to the south). Since 1832, Mauna Loa has erupted 39 times; its last eruption was in 1984.he Hawaiian Volcano Observatory celebrated the 30th anniversary of Mauna Loa's last eruption (in 1984) on March 25, 2014, underscoring that it has been a realtively quite 3 decades at the world's largest active volcano.
Remote sensing is the science of obtaining information about objects or areas from a distance, typically from aircraft or satellites. A LIDAR (Light Detection and Ranging) image created with data collected by NOAA's National Geodetic Service.
1. sensor-any device that receives a signal or stimulus (as heat or pressure or light or motion etc.) and responds to it in a distinctive manner. detector, sensing element. device-an instrumentality invented for a particular purpose; the device is small enough to wear on your wrist; a device intended to conserve water. device that responds to a physical stimulus and converts the stimulus into a signal conveyed to another device. For example, a sensor in a printer detects that the paper tray is empty and sends a signal to the digital display that the tray is out of paper.