Jason R. Patton @earthjay@qoto.org

Updated neotectonic map of the Cascadia margin is released!

faults, folds, and other tectonic features are mapped relative to the age of their most recent activity

https://www.oregon.gov/dogami/pubs/Pages/ofr/p-O-23-05.aspx

#EarthquakeReport for #OTD in 2018 M6.3 #Earthquake in #Iran #Iraq

strike-slip earthquake related to the Zagros fold and thrust belt

read report here https://earthjay.com/?p=7993

#EarthquakeReport for #OTD in 2022 M6.1 #Deprem #Earthquake in #Turkiye #Turkey

right-lateral strike-slip fault earthquake
along the North Anatolia fault which dominates seismic hazard in N Turkey
@USGS_Quakes landslide & liquefaction models

read report https://earthjay.com/?p=10569

#EarthquakeReport for #OTD in 2015 M7.6 #Sismo #Terremoto #Earthquake

two M 7.6 events
over 600km deep
extensional (normal) faults

read report here https://earthjay.com/?p=3333

#EarthquakeReport for #OTD in 2016 M6.9 #Sismo #Terremoto #Earthquake offshore of #ElSalvador

extensional (normal) faulting earthquake
possibly considered an "outer rise" earthquake (depending on location?)
generated small #Tsunami

read report here https://earthjay.com/?p=4480

#EarthquakeReport for M 6.7 #Earthquake offshore of #Vanuatu

Reverse or thrust earthquake mechanism

Recent earthquake in similar location:
https://earthjay.com/?p=10727

https://earthquake.usgs.gov/earthquakes/eventpage/us6000lq00/executive

#EarthquakeReport for M 6.7 #Earthquake offshore of #Vanuatu

Moderate ground shaking intensity

Earlier this year was an M7.0 in nearby location: https://earthjay.com/?p=10727

https://earthquake.usgs.gov/earthquakes/eventpage/us6000lq00/executive

#EarthquakeReport for M6.7 #Lindol #Earthquake offshore of #Philippines

High shaking intensity, reports of MMI 7
@USGS_Quakes model suggests good chance for earthquake induced liquefaction

Read report for temblor from 2017
https://earthjay.com/?p=5337

https://earthquake.usgs.gov/earthquakes/eventpage/us6000lp12/executive

#EarthquakeReport for M6.7 #Lindol #Earthquake in the #Philippines

Reverse (Compressional) earthquake mechanism
High intensity shaking
Generated local tsunami

Report from 2017 earthquake in similar location:
https://earthjay.com/?p=5337

https://earthquake.usgs.gov/earthquakes/eventpage/us6000lp12/executive

#EarthquakeReport #TsunamiReport for #OTD in 2019 M 7.1 #Gempa #Lindol #Earthquake offshore of #Halmahera in the Molucca Strait

interesting tectonics with opposing subduction zones
generated a local #Tsunami

read report https://earthjay.com/?p=9106

#EarthquakeReport for #OTD in 2016 M 7.8 #Earthquake in #Kaikōura #NewZealand

triggered thousands of landslides
we cored the turbidite (submarine landslide deposit) within days of the quake
generated local #Tsunami

read reports:
https://earthjay.com/?p=4489
https://earthjay.com/?p=4513

#EarthquakeReport for #OTD in 2017 M 7.3 #Earthquake in #Iraq #Iran

compressional (thrust) mechanism
shallow and large magnitude: many casualties :-(
high potential for landslides and liquefaction

read report:
https://earthjay.com/?p=6709

#EarthquakeReport #TsunamiReport for #OTD 2022 M 7.3 #Earthquake near #Tonga

outer rise compressional (reverse or thrust) mechanism
generated small #Tsunami

report:
https://earthjay.com/?p=10493

#EarthquakeReport for #OTD in 2018 M 6.8 #Earthquake along the Mid Atlantic Ridge system

left-lateral strike-slip earthquake along the Jan Mayen transform fault system
historical analogues!

read report:
https://earthjay.com/?p=7972

#EarthquakeReport #TsunamiReport for M 7.1 #Gempa #Earthquake sequence in the #BandaSea

M6.7 foreshock to 7.1 both left-lateral strike-slip earthquakes in the Sunda block crust
triggered a M 6.7
both the 7.1 and triggered 6.7 caused tsunami

read report
https://earthjay.com/?p=11546

#EarthquakeReport for M7.1 #Gempa #Earthquake in the #BandaSea

M6.7 foreshock
Left-lateral strike-slip earthquakes

Read 2020 report for tectonic framework
https://earthjay.com/?p=9479

https://earthquake.usgs.gov/earthquakes/eventpage/us7000l9h4/executive

#EarthquakeReport for M6.7 followed by M7.0 #Gempa #Earthquake in the #BandaSea

Orig 1 M6.9 event
Both strike-slip mechanisms
Probably much deeper than 10km (?)

Same location as 2020 earthquake
https://earthjay.com/?p=9479

https://earthquake.usgs.gov/earthquakes/eventpage/us7000l9h4/executive

#EarthquakeReport for M6.9 #Gempa #Earthquake in the #BandaSea

Strike-slip mechanism (probably left-lateral ?)

If deeper than default 10km depth, in similar location as 2020 earthquake: https://earthjay.com/?p=9479

https://earthquake.usgs.gov/earthquakes/eventpage/us7000l9h2/executive

#EarthquakeReport for M6.9 #Gempa #Earthquake offshore in the #BandaSea

Probably intraslab earthquake within Australia plate

In almost same location as 2020 earthquake: https://earthjay.com/?p=9479

https://earthquake.usgs.gov/earthquakes/eventpage/us7000l9h2/executive

#EarthquakeReport for #OTD in 2017 M 6.5 #Earthquake in #PapuaNewGuinea

intermediate depth compressional (reverse or thrust) earthquake in a complicated area of different subducted slabs (plates)

read report https://earthjay.com/?p=5941