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I have noticed over the last week, that much more than normal EQ's reported on EMSC are at a greater depth.
Question...take an eq of say 5.2 at 230 km does that mean at 230km it is far bigger if the seismograph was at that depth? Also ar rgar depth are we looking at magma movement.
USGS WPhase Moment Solution
Epicenter: 16.476 -98.286
USGS/WPHASE CENTROID MOMENT TENSOR
Centroid: 16.576 -98.182
Depth 11 No. of sta: 37
Moment Tensor; Scale 10**18 Nm
Mrr=-1.02 Mtt= 0.98
Mpp= 0.04 Mrt= 0.66
Mrp= 0.25 Mtp= 0.05
T Val= 1.19 Plg=17 Azm=353
N = 0.07 7 260
P = -1.26 71 147
Best Double Couple:Mo=1.2*10**18
NP1:Strike= 95 Dip=29 Slip= -73
NP2: 257 63 -98
Originally posted by Evltre
Hey NZ people - did any of you see this?
Public ID 2012p249591
Universal Time April 2 2012 at 8:22:24
NZ Standard Time Monday, April 2 2012 at 8:22:24 pm
Latitude, Longitude -42.18, 171.62
Focal Depth 324km!!!!
Location 20 km west of Reefton
Odd location, very, very odd depth! Well I thought, but I could be wrong. It appears to me that this is in the "gap" that appears on the deep earthquake map. I know it's a "rapid" quake and not reviewed yet but it just looked like it was worth keeping an eye on? Maybe?
But then again, we really shouldn't worry anymore because according to Kelvin Berryman @ GNS the Apline fault is now less of a risk
Tuesday, April 03, 2012 at 07:33:59 UTC
Tuesday, April 03, 2012 at 02:33:59 AM at epicenter
Time of Earthquake in other Time Zones
4.9 km (3.0 miles)
27 km (16 miles) SSW of McAlester, Oklahoma
78 km (48 miles) E of Ada, Oklahoma
176 km (109 miles) ESE of OKLAHOMA CITY, Oklahoma
230 km (142 miles) NNE of Dallas, Texas
horizontal +/- 8.4 km (5.2 miles); depth +/- 3 km (1.9 miles)
NST= 58, Nph= 74, Dmin=118 km, Rmss=1.09 sec, Gp= 43°,
M-type="Nuttli" surface wave magnitude (mbLg), Version=5
Magnitude: USGS NEIC (WDCS-D)
Location: USGS NEIC (WDCS-D)