posted on Nov, 3 2012 @ 01:34 PM
reply to post by prophetboy12
I hadn't noticed that.
All the quakes on the Canadian site
since the 7.7
have been at Haida Qwaii on the Continental Convergent Boundry (USGS Plate Boundries KML) except for one off NW Vancouver island near the Subduction
2012/10/28 14:46:03 50.79 -129.78 10.0 4.3 No 166 km W of Pt. Hardy,BC
I haven't really looked at that aftershock series yet, letting the dust settle, it seems USGS are recording a lot more than NRCAN, but those are
likely to be revised, moved or deleted or more added as time goes on.
I notice NRCAN have that 2nd USGS 6.2Mw /5.8mb as
2012/10/30 02:48:58 52.13 -132.32 18.6 5.6 No 129 km SSW of Sandspit,BC
I can't get the NRCAN "Mag" header query to open on my browser, so not sure what their list is in.
QVS Data Pro NRCAN list show it as ML and the earlier 6.3 in mb
At least Geonet and NOA (Greece) are consistent and everything on their lists is in ML so you can compare each events size apples with apples
Puterman or WestCoast might be able to answer your question better.