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Originally posted by Illusionsaregrander
reply to post by crimsonninja
What does his/her other threads have to do with this one? Its a legitimate thread, on a legitimate topic. If many of the other threads started by the OP are doom and gloom, so? This is ATS. He/she is certainly not alone in that. I just dont understand why a couple of you feel the need to bully the OP. Or pick on him/her in a thread where they are NOT making doomsday claims, but this one is just about an earthquake in Florida.
I just really dont understand the personal attacks on the OP. If you think he/she is violating the TnC, report him/her. But dont violate the TnC yourself by derailing, or forum bullying, or attacking the poster not the topic.
When a plane flies faster than the speed of sound (about 750 miles per hour) it creates shock wave similar to the sound of thunder that can often be felt and heard on the ground. This sort of blast can trigger seismometers on the ground that are normally used to detect earthquakes. This might be why the USGS thought there was an earthquake in the area when the two planes flew overhead yesterday.
Originally posted by westcoast
This is an unfortunate example of crying wolf. The OP has had some interesting threads, but I can understand the scepticisim.
SO...here's the deal. It WAS an earthquake, not a sonic boom:
Date-Time Friday, February 18, 2011 at 23:15:34 UTC
Friday, February 18, 2011 at 05:15:34 PM at epicenter
Time of Earthquake in other Time Zones
Location 30.180°N, 87.848°W
Depth 5 km (3.1 miles) set by location program
Region WESTERN FLORIDA
Distances 60 km (35 miles) SSE of Mobile, Alabama
65 km (40 miles) WSW of Pensacola, Florida
70 km (45 miles) ESE of Pascagoula, Mississippi
285 km (175 miles) SSW of MONTGOMERY, Alabama
Location Uncertainty horizontal +/- 15 km (9.3 miles); depth fixed by location program
Parameters NST= 25, Nph= 25, Dmin=326.9 km, Rmss=1.33 sec, Gp=176°,
M-type="Nuttli" surface wave magnitude (mbLg), Version=6
Source USGS NEIC (WDCS-D)
Event ID us2011hmbx
This area IS of interest due to its location and low occurance of quakes in said area.
For those that are interested in learning more, I would suggest you go to the quake thread, or the current thread about the arkansas quakes...I still think there may be a connection between them.
No fear mongering...just some facts and a little opinion.