Thats my earthquake monitoring item. I look at it whenever i felt a sudden quake. Its very helpful to determine how strong the quake. If it sways, its a sign to evac and head to safety.
#MMShakeDrill will happen today at 1030am to 1130am in metro manila
Be aware and pls participate
from Tumblr http://popazrael.tumblr.com/post/125394020181