A ROCK BURST OCCURED IN THE 593-06 AREA. THE BURST REGISTERED 3.1 ON THE RICHTER SCALE. IT HIT IN THE INTERSECTION EAST SIDE OF 06 SLOPE. NO BADDAMAGE, A LITTLE IN THE INTERSECTION AND SOME OF THE BACK(ABOUT 10'LENGTH) BROKE FILL AWAY FROM BUT NOT BEYOND ANCHORAGE. NO ONE WAS INJURED OR IN THE AREA.