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A degree of latitude is approximately 69 miles, and a minute of latitude is approximately 1.15 miles. A second of latitude is approximately 0.02 miles, or just over 100 feet.
A degree of longitude varies in size. At the equator, it is approximately 69 miles, the same size as a degree of latitude. The size gradually decreases to zero as the meridians converge at the poles. At a latitude of 45 degrees, a degree of longitude is approximately 49 miles.
Wednesday, September 07, 2011 at 13:29:41 UTC
Wednesday, September 07, 2011 at 10:29:41 PM at epicenter
Time of Earthquake in other Time Zones
1.5 km (~0.9 mile) (poorly constrained)
HOKKAIDO, JAPAN REGION
83 km (51 miles) ESE of Tomakomai, Hokkaido, Japan
97 km (60 miles) SW of Obihiro, Hokkaido, Japan
128 km (79 miles) SE of Sapporo, Hokkaido, Japan
763 km (474 miles) NNE of TOKYO, Japan
horizontal +/- 12.5 km (7.8 miles); depth +/- 5.6 km (3.5 miles)
NST=272, Nph=274, Dmin=62.3 km, Rmss=1.12 sec, Gp= 76°,
M-type=body wave magnitude (Mb), Version=5
Magnitude: USGS NEIC (WDCS-D)
Location: USGS NEIC (WDCS-D)
Wednesday, September 07, 2011 at 19:37:06 UTC
Wednesday, September 07, 2011 at 12:37:06 PM at epicenter
17.3 km (10.8 miles)
OFFSHORE NORTHERN CALIFORNIA
10 km (6 miles) WSW (251°) from Petrolia, CA
33 km (20 miles) SW (227°) from Rio Dell, CA
33 km (21 miles) SSW (199°) from Ferndale, CA
58 km (36 miles) SSW (199°) from Eureka, CA
317 km (197 miles) NW (309°) from Sacramento, CA
horizontal +/- 1.4 km (0.9 miles); depth +/- 0.9 km (0.6 miles)
Nph= 11, Dmin=9 km, Rmss=0.12 sec, Gp=245°,
M-type=duration magnitude (Md), Version=0
California Integrated Seismic Net:
USGS Caltech CGS UCB UCSD UNR
Originally posted by muzzy
I would draw the conclusion that, no cyclones don't cause earthquakes nor vis-versa, but perhaps both were caused by the same thing ............. Apogee +3 ............ check it outedit on 7-9-2011 by muzzy because: (no reason given)
Has anyone noticed that earthquakes above 6 tend to always be in the lower registers generally?
There are way more mag 6-6.4 that there are 6.5-6.9 and the same with mag 7.
It is also possible to see this is mag 5 but not quite so obvious.