Highly doubt those icons represent the real location of the source epicenter. This is most likely just a grid pattern because of the resolution of data presented. Can you zoom in further? The icons may adjust accordingly. If you zoom out maybe they'll all be shown as a single icon. You're looking into it too far, man.
Highly doubt those icons represent the real location of the source epicenter. This is most likely just a grid pattern because of the resolution of data presented. Can you zoom in further? The icons may adjust accordingly. If you zoom out maybe they'll all be shown as a single icon. You're looking into it too far, man.
Maybe the icons are the sensor locations?