There has been another burp event at Louisiana sinkhole on August 21, 2013. According to Assumption Parish Police Jury all operations have been pulled from inside of the sinkhole until activity calms down. The monitoring/alert status has been heightened to Code 3.
The following video was taken on the same day:
And on the next day, it continued:
Flyover, August 22, 2013
Below is a definition of the codes:
Code Levels are 1-3, with Code 1 being the lowest level of alert.
Code 1: Minimal to no seismic activity around/below sinkhole; 10 or fewer of the sharp seismic signals associated with rock movement, called mini-earthquakes (MEQs) or the longer signals associated with gas or liquid movement, called Very Long Periods (VLPs) within 24-hour period; allows work on sinkhole and inside berm area to continue
Code 2: Restricts work directly on the sinkhole, indicates some increased seismic activity around/below sinkhole but not at a level that indicates imminent threat of sloughing or movement below sinkhole (10 to 50 MEQs or VLPs in 24 hours)
Code 3: Restricts all work inside the containment berm, indicates seismic activity has elevated to a point similar to what has been seen in past monitoring prior to a sloughing on the shore or movement beneath sinkhole (More than 50 MEQs or VLPs in 24 hours)
Featured image: YT video screenshot