Jason R. Patton @earthjay@qoto.org

#EarthquakeReport for the #OTD in 1700 M9.0 @Earthquake along the #Cascadiasubductionzone offshore of #BritishColumbia #Washington #Oregon #California

geologic evidence for a full margin megathrust subduction zone earthquake
transpacific #tsunami

report
https://earthjay.com/?p=3640

#EarthquakeReport for M 7.0 #Earthquake in western #China

updated posters with aftershocks and detailed fault mapping
tectonic cross section and geodetic profiles
ground failure and intensity interpretive posters

full report here:
https://earthjay.com/?p=11801

#EarthquakeReport for M 4.2 #Earthquake offshore of northern #California

Normal (extensional) oblique earthquake mechanism

Within subducted Gorda plate

Tectonic background in 2018 report:
https://earthjay.com/?p=7426

https://earthquake.usgs.gov/earthquakes/eventpage/nc73992726/executive

#EarthquakeReport for M7.0 #Earthquake in #China

oblique reverse mechanism

@USGS_Quakes models suggest chance for triggered landslides/induced liquefaction slip

~50km length ~matches fault scaling relations

tectonic background: https://earthjay.com/?p=9811

https://earthquake.usgs.gov/earthquakes/eventpage/us7000lsze/executive

#EarthquakeReport for M7.0 #Earthquake in #China

Oblique reverse (Compressional) earthquake mechanism
@USGS_Quakes models suggest lots of damage and chance for triggered landslides

Tectonic background here: https://earthjay.com/?p=9811

https://earthquake.usgs.gov/earthquakes/eventpage/us7000lsze/executive?utm_source=dlvr.it&utm_medium=twitter&utm_campaign=usgs_quakes

#EarthquakeReport for #OTD in 1994 M6.7 #Earthquake in southern #California

led to many improvements in the building code and at the state of California

read report: https://earthjay.com/?p=4835

learn more here: https://www.conservation.ca.gov/cgs/earthquakes/northridge

#FloodReport 2024 Jan #HumboldtCounty #California

these hydrographs are rising faster than forecast

see these and more gages here:
https://earthjay.com/?page_id=4829

watch this hydrograph and other hydrographs from along the west coast (including satellite animations) here https://earthjay.com/?page_id=4829

#EarthquakeReport for #OTD in 2010 M 7.0 #Sismo #Terremoto #Earthquake in #Haiti

triggered landslides and turbidity currents
humanitarian disaster

report here:
https://earthjay.com/?p=9178

#EarthquakeReport for #OTD in 2018 M 6.0 #Earthquake in #Burma

reverse/thrust (compressional) mechanism

read report here:
https://earthjay.com/?p=6872

#EarthquakeReport for #OTD in 2018 M 7.5 #Sismo #Terremoto #Earthquake along the Cayman trough

left-lateral strike-slip earthquake
generated a #Tsunami

read report here:
https://earthjay.com/?p=6842

#EarthquakeReport for #OTD in 2017 M 6.0 #Earthquake in the #Arctic

earthquake allows us to learn more about the tectonics in this region
analogy event in 1987

read short report:
https://earthjay.com/?p=4897

#EarthquakeReport for #OTD in 2023 M 7.0 #Earthquake offshore of #Vanuatu

related to subduction zone, a convergent plate boundary system
@USGS_Quakes models show high chance for landslides and liquefaction

tectonic background interpretive poster here:
https://earthjay.com/?p=10727

#EarthquakeReport for #OTD in 2020 M 6.4 #Sismo #Terremoto #Earthquake offshore of #PuertoRico

extensional (normal) earthquake
generated vertical land deformation
triggered a tsunami

read report:
https://earthjay.com/?p=9232

#EarthquakeReport for #OTD in 2017 M 5.4 #Earthquake offshore of #Canada

strike-slip earthquake along boundary of the Explorer plate

report here:
https://earthjay.com/?p=4790

#EarthquakeReport #TsunamiReport for M 7.5 #Earthquake along the Noto Peninsula, Japan

updated poster and tide gage plots
the Toyama tide gage recorded the largest size tsunami

report: https://earthjay.com/?p=11735

#EarthquakeReport #TsunamiReport for M 7.5 #Earthquake along the Noto Peninsula, #Japan

generated #Tsunami observed at tide gages and by video observers
@USGS_Quakes ground failure models suggest induced liquefaction and triggered landslides

report here:
https://earthjay.com/?p=11735

#EarthquakeReport #TsunamiReport for M7.5 #Earthquake offshore of #Japan

Official tsunami observations from tsunami.gov

https://tsunami.gov/events/PHEB/2024/01/01/24001001/2/WEPA40/WEPA40.txt

2018 report (tectonic background) https://earthjay.com/?p=7719

https://earthquake.usgs.gov/earthquakes/eventpage/us6000m0xl/executive

#EarthquakeReport #TsunamiReport for M 7.5 #Earthquake offshore of #Japan

Tsunami recorded in Toyama, Japan abt 1 meter wave height (peak to Trough)

Tectonic background in 2018 report
https://earthjay.com/?p=7719

https://earthquake.usgs.gov/earthquakes/eventpage/us6000m0xl/executive

#EarthquakeReport for M7.5 #Earthquake offshore of #Japan

Reverse (Compressional) earthquake mechanism

Read 2018 report for tectonic background https://earthjay.com/?p=7719

https://earthquake.usgs.gov/earthquakes/eventpage/us6000m0xl/executive