Show newer
Jason R. Patton

for in 2018 M 7.0 offshore of the

possibly along megathrust subduction zone fault but maybe intraplate within Philippine Sea plate
historical analogues
generated a

read report here
earthjay.com/?p=8086

0
Jason R. Patton

for in 2016 a pair of M5.6 in

along the Walker Lane in the region of the Mina deflection

read report:
earthjay.com/?p=4689

0
Jason R. Patton

for in 2004 M 9.15 # offshore of

led to almost 1/4 million fatalities, most from the
we learned much from this so we can prevent future suffering

read 2017 report here:
earthjay.com/?p=4674

0
Jason R. Patton

Foreshortened mother
Chillin with forethickened daughter

0
Jason R. Patton

for in 2016 M 7.9 offshore of &

generated local
felt intensity MMI 9

learn more about regional tectonics:
earthjay.com/?p=4596

0
Jason R. Patton

for in 2017 M 6.5 offshore of

strike-slip earthquake in subducting Australia plate

read report here
earthjay.com/?p=6602

0
Jason R. Patton

As I was jumping into my shower last night, I reflected upon an AGU mtg while a student

All week I slept in my truck bed, under a tarp, at the parking structure just north of the moscone center...

0
Jason R. Patton

for in 2017 M 4.3 in northern

seismicity between main fault strands (San Andreas and Maacama) of the Pacific/North America plate boundary

learn about the San Andreas fault system in report:
earthjay.com/?p=6593

0
Jason R. Patton

@berndandeweg @judithgeology

thank you!

this paper does not have any information that helps us understand if there is a single megathrust (possibly shallower than slab 2.0), multiple slabs (like possibly in southern Cascadia), or splay faults.

are there any more recent papers with more detailed information about the fault geometry here?

0
Jason R. Patton

got my poster done Quaternary Stratigraphy of Eel River

presenting this on Friday at @theAGU

i posted it online here (to download or view the high resolution version, which may be updated slightly before it gets printed): earthjay.com/?page_id=802

0
Jason R. Patton

for in 2017 M 6.4 and 6.3 offshore of

interesting strike-slip earthquakes within Caroline plate, possibly right-lateral (?), along the Caroline Ridge

learn about the fascinating tectonics here:
earthjay.com/?p=5997

0
Jason R. Patton

@judithgeology @berndandeweg

agreed, not sure there is a double zone in the philippines (unclear, but may not be able to tell given paucity of seismometers and uncertain depths? compared to Japan, which has an abundance of seismometers).

while the megathrust in the Philippines could be shallower than slab 2.0 (seems reasonable! if not probable) alternate hypotheses include: there could be two splays of the megathrust (as appears to exist in southern cascadia: Smith et al., 1993 JGR v. 98 no. B5, p. 8153-8171)) or a splay fault responsible for the Philippine event (?).

most of the events after the mainshock were deeper. so, maybe the mainshock was on this shallower fault, which triggered slip on the deeper fault. (?)

1
Jason R. Patton

for in 2018 M 6.5 offshore of northern

right-lateral strike-slip earthquake on Mendocino fault
felt by yours truly onshore

learn about the Mendocino triple junction:
earthjay.com/?p=4567
w/report update
earthjay.com/?p=4571

0
Jason R. Patton

for in 2016 M 7.8 in the

probably subduction megathrust interface event
tsunami plots from Stuart Weinstein

read report
earthjay.com/?p=4580

0
Jason R. Patton

for in 2018 M 7.5 offshore of

maybe related to 8/29/18 M7.1
extensional (normal) "outer rise" type earthquake
triggered M6.6 earthquake
generated modest tsunami

read report:
earthjay.com/?p=8036

0
Jason R. Patton

@berndandeweg i agree that the earthquake likely occurred on west dipping fault plane. could be on fault in upper plate (like a splay fault) or the slab is shallower than the USGS slab model.
@judithgeology suggests the latter.

possibly larger, if event not on megathrust. if on megathrust, seems more likely it would extend further updip with larger slip area, especially in shallow region of megathrust. (?)

1
Jason R. Patton

well, all day i have had it in my mind that the mag was M 7.4 and that is what i wrote for the ground failure and intensity interpreti e posters.

they are updated online and here is a tweet showing them.

here is the :

earthjay.com/?p=11611

1
Jason R. Patton

for M 7.4 offshore of

compressional (thrust) earthquake
generated tsunami
@USGS_Quakes models suggest high chance for liquefaction
triggered slip near interface (?)

report here:
earthjay.com/?p=11611

0
Jason R. Patton

for M7.6 offshore of the

generated ~10cm amplitude (20cm wave height) tsunami at Davao Tide Gage (which is in a somewhat sheltered location compared to epicenter so probably larger tsunami along coast)

earthquake.usgs.gov/earthquake

0
Jason R. Patton

for M7.6 offshore of

Pacific Tsunami Warning Center notification
Probably will generate tsunami in regions listed

2018 report has tectonic background information
earthjay.com/?p=8086

tsunami.gov/events/PHEB/2023/1

0
Show older

EarthquakeReport

194

earthquake

185

TsunamiReport

22
Qoto Mastodon

QOTO: Question Others to Teach Ourselves
An inclusive, Academic Freedom, instance
All cultures welcome.
Hate speech and harassment strictly forbidden.

Trending now

Resources

Developers

What is Mastodon?

qoto.org

More…

v3.5.19-qoto · Privacy policy