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reply to post by Rodrigoson6
Hey Rodrigoson6 did you make thos seismic maps?
If so New Zealand is wrong those don't match up with the Flinn-Engdahl (F_E) seismic and geographical regionalization scheme at all.
You might want to peruse this NZ sub region layout that Puterman and I created, its based on geology, not provinces.
reply to post by nugget1
The only problem with that theory is that if this was true then places where there was heavy rainfall would have more quakes than other places.
Also take into consideration a lot of earthquakes occur in mountainous regions, earthquakes produce mountains (over millions of years)
Erosion is just part of the breakdown of the mountains.
Your theory has been discussed in the scientific community for years, but I have never seen any compelling results to prove it one way or the other.
Seems too far to be connected to me.
Could The Geysers, CA be tied into the 5.1 quake? I looked at the list of recent activity and it seems to be pretty active? Are they connected somehow though The Geysers is a little north of San Fran?
I haven't seen too much activity on the San Andreas Fault. If you mean the LaHabra quakes, according to this link they think it could be related to the Puente Hills Thrust
this is the seismic region of Los angeles:
I think that the quake occured in the South part of sant'andreas fault.
This sequence could be associated with the Puente Hills thrust (PHT). The PHT is a blind thrust fault that extends from this region to the north and west towards the City of Los Angeles. It caused the M5.9 1987 Oct. 1 Whittier Narrows earthquake.
Previously, the M5.4 2008 Chino Hills earthquake occurred in this region. It caused somewhat stronger shaking in Orange County and across the Los Angeles Basin.
The moment tensor shows oblique faulting, with a north dipping plane that approximately aligns with the Puente Hills thrust.