#EarthquakeReport for M 7.4 #Earthquake offshore of #Japan

Megathrust subduction zone earthquake mechanism and location
Decimeter scale local tsunami

Tectonic setting in 2021 report
earthjay.com?p=10674

earthquake.usgs.gov/earthquakes/...

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#EarthquakeReport for M 5.7 #Earthquake in #Nevada

Left-lateral strike-slip earthquake along N70E striking fault (looking at aftershocks)

2020 report:
earthjay.com?p=9503

earthquake.usgs.gov/earthquakes/...

#EarthquakeReport for M 7.4 #Gempa #Lindol #Earthquake offshore of #Indonesia in the Molluca Strait

Updated @USGS_Quakes shake map
& finite fault model showing fault dipping to west up to ~1 m slip

Tectonic setting in 2019 report
earthjay.com?p=9106

earthquake.usgs.gov/earthquakes/...

#EarthquakeReport #TsunamiReport for M 7.4 #Gempa #Lindol #Earthquake offshore of #Indonesia in the Molluca Strait

Strong shaking observed
#Tsunami observed >1 meter in amplitude
Hopefully no casualties

Analogy 2019 earthquake earthjay.com?p=9106

earthquake.usgs.gov/earthquakes/...

#EarthquakeReport for M 7.4 #Gempa #Lindol #Earthquake offshore #Indonesia in Molluca Strait

Thrust/Reverse (compressional) earthquake mechanism
Possible local tsunami
Bivergent subduction zones here

Similar earthquake in 2019 earthjay.com?p=9106

earthquake.usgs.gov/earthquakes/...

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#EarthquakeReport #TsunamiReport for #OTD in 1964 M 9.2 #Earthquake in #Alaska

main evidence for subduction zone type faults in Alaska
significant ground shaking, landsliding, and liquefaction
transpacific tsunami causing damage and casualties across the Pacific

report: earthjay.com?p=3833

#EarthquakeReport for M 6.5 #Earthquake offshore of #Japan

Thrust (compressional) earthquake mechanism
Megathrust subduction zone earthquake (on interface?)

Tectonic setting in 2022 report earthjay.com?p=10674

earthquake.usgs.gov/earthquakes/...

Philippines has '45 days of fuel left', declaring state of emergency from Iran war | BBC News YouTube video by BBC News

Iranian #StraitOfHormuz #Terrorism ROI

The Philippines has '45 days of fuel left', declaring a state of emergency from the Iran war

Imminent danger that is posed to the country's energy supply.

98% of the Philippines oil supplies comes through the Persian Gulf.

www.youtube.com/watch?v=VavX...

#EarthquakeReport for M 7.6 #Earthquake offshore of #Fiji #Samoa #AmericanSamoa

Intermediate depth
Within subducted Pacific plate (?)
Probably no #Tsunami (?)

Tectonic setting in 2022 report earthjay.com?p=10493

earthquake.usgs.gov/earthquakes/...

#EarthquakeReport for M 6.6 #Earthquake offshore of #Argentina #Antarctica

Reverse (from compression) earthquake mechanism
Appears related to subduction zone that forms the South Shetland trench

Tectonic history in 2025 report:
earthjay.com?p=12404

earthquake.usgs.gov/earthquakes/...

yes, where did those fault data come from? not GEM

The North America and the Caribbean plates slipping past each other a bit.

The plate boundary is drawn a bit oddly from how it's usually shown though (the Motagua Fault and related faults very clearly curves to the northwest rather than southwest, you can even see it in the topography).

I have a biology joke but it only worked once and we could never figure out why.

I have a planetary seismology joke, but it’s way out there.

I have a joke about compression, but do not thrust it

I have a joke about the Anthropocene, but it’s becomng passé.

i have an earthquake joke but i am currently under my desk dropping, covering, and holding on

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NOAA strengthens commitment to world-class tsunami monitoring and detection in Pacific National Mesonet Program ensures seismic detection continues to operate in real time

good news

follow-up to these seismic stations being defunded by trump

www.noaa.gov/news-release...

Dr. Chris Goldfinger - Cascadia and San Andreas Earthquakes Links? YouTube video by Quimper Geological Society

youtu.be/zHhRGEBiQPc?...

Scientists Create the First Map of Deep Earthquakes Beneath Continents - Eos Scientists once thought Earth’s continental mantle was too weak for earthquakes. A new global map of 459 deep tremors suggests otherwise.

Scientists Create the First Map of Deep Earthquakes Beneath Continents eos.org/articles/sci...

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#EarthquakeReport for M 6.3 #Earthquake offshore of #SolomonIslands

Normal (extension) earthquake mechanism
In Australia plate
No #Tsunami threat

Tectonic setting in 2018 report earthjay.com?p=8036

earthquake.usgs.gov/earthquakes/...

the NTWC posts tsunami notices for earthquakes that can be felt near the coastline (even into M4+ range)

they are posted here: www.tsunami.gov

and this is the one they posted for alaska for this earthquake: www.tsunami.gov/events/PAAQ/...

#EarthquakeReport for M 6.4 #Earthquake offshore of #AleutianIslands #Alaska

Left-lateral (?) strike-slip earthquake mechanism
North America (upper) plate (?)
Possibly small local #tsunami

Analogy 2019 earthquake: earthjay.com?p=8415

earthquake.usgs.gov/earthquakes/...