Jascha Polet (@cppgeophysics) 's Twitter Profile
Jascha Polet

@cppgeophysics

Seismologist, geophysicist, former professor who joined the Great Resignation. Still figuring out what is next. Main platform now Bluesky as @jascha

ID: 24493884

calendar_today15-03-2009 05:54:24

25,25K Tweet

15,15K Takipçi

673 Takip Edilen

Jascha Polet (@cppgeophysics) 's Twitter Profile Photo

“the possibility of a Nankai Trough earthquake has increased relative to normal conditions following a magnitude 7.1 temblor in Miyazaki Prefecture earlier in the day.”

Jonathan Gault (@jgault13) 's Twitter Profile Photo

37 hours after earning a bronze medal in the 10,000 meters (and six days after bronze in the 5,000), the Netherlands' Sifan Hassan wins the 2024 Olympic marathon over a field of legends in an Olympic record of 2:22:55. One of the all-time great Olympic distance running feats.

37 hours after earning a bronze medal in the 10,000 meters (and six days after bronze in the 5,000), the Netherlands' Sifan Hassan wins the 2024 Olympic marathon over a field of legends in an Olympic record of 2:22:55.

One of the all-time great Olympic distance running feats.
Jascha Polet (@cppgeophysics) 's Twitter Profile Photo

The only photo I managed to take of the Olympic high jump gold medalist on Saturday 😂 #OlympicGames #Olympic2024 #Olympics #Olympic

The only photo I managed to take of the Olympic high jump gold medalist  on Saturday 😂
#OlympicGames #Olympic2024 #Olympics  #Olympic
Gijs de Reijke (@gijsdereijke) 's Twitter Profile Photo

Bright Aurora Borealis and an even much brighter Perseid meteor over a particularly photogenic tree in the north of the Netherlands, August 12, 2024. #aurora #noorderlicht #Perseids

Bright Aurora Borealis and an even much brighter Perseid meteor over a particularly photogenic tree in the north of the Netherlands, August 12, 2024. 

#aurora #noorderlicht #Perseids
Jascha Polet (@cppgeophysics) 's Twitter Profile Photo

Seismicity map of the M4.4 reverse faulting #earthquake in South Pasadena at a depth of 12 km. One potential candidate fault is the Puente Hills Thrust system.

Seismicity map of the M4.4 reverse faulting #earthquake in South Pasadena at a depth of 12 km. One potential candidate fault is the Puente Hills Thrust system.
Jascha Polet (@cppgeophysics) 's Twitter Profile Photo

To clarify the location of today’s M4.4 earthquake relative to the Puente Hills Thrust system, here are some figures from Shaw et al. (2002) with an approx quake location marked with orange splotch. If the depth of 11km is correct, this is an OK fit with the Los Angeles segment.

To clarify the location of today’s M4.4 earthquake relative to the Puente Hills Thrust system, here are some figures from Shaw et al. (2002) with an approx quake location marked with orange splotch. If the depth of 11km is correct, this is an OK fit with the Los Angeles segment.
Jascha Polet (@cppgeophysics) 's Twitter Profile Photo

With several recent widely felt earthquakes in California, there is a surge in interest in early warning messages. This article is a good summary and describes what to do to receive these messages (the MyShake app is my favorite) latimes.com/california/sto…

With several recent widely felt earthquakes in California, there is a surge in interest in early warning messages. This article is a good summary and describes what to do to receive these messages (the MyShake app is my favorite) 
latimes.com/california/sto…
Alistair Hamill: Connect on LinkedIn & Bluesky (@lcgeography) 's Twitter Profile Photo

My first pano from last night, of the aurora arc that was visible even as the orange twilight was still hanging on along the low horizon. I reckon the arc was covering around 100 degrees from west to east - far too big to fit into a single shot!

My first pano from last night, of the aurora arc that was visible even as the orange twilight was still hanging on along the low horizon. I reckon the arc was covering around 100 degrees from west to east - far too big to fit into a single shot!
Jascha Polet (@cppgeophysics) 's Twitter Profile Photo

Just wanted to let you all know that there is a new influx, and large returning group, of geoscientists now on Bluesky and I encourage everyone to try it out (again). Keep in mind that there is no algorithm, but there are lists of great people to follow based on interests.

Jascha Polet (@cppgeophysics) 's Twitter Profile Photo

M7.0 earthquake near the coast of Kamchatka, reverse faulting mechanism and location point to subduction thrust event. However, if initial depth of ~50 km is confirmed, the tsunami generating potential should be limited. (Map attached obtained from @lastquake.bsky.social )

M7.0 earthquake near the coast of Kamchatka, reverse faulting mechanism and location point to subduction thrust event. However, if initial depth of ~50 km is confirmed, the tsunami generating potential should be limited.
(Map attached obtained from @lastquake.bsky.social )
Jascha Polet (@cppgeophysics) 's Twitter Profile Photo

Bad news for Rancho Palos Verdes residents: “Officials confirmed a very deep and active landslide plane — previously considered dormant —during exploratory drilling this summer, a discovery that has upended emergency efforts aimed at stabilizing the area.” latimes.com/california/sto…

Bad news for Rancho Palos Verdes residents: “Officials confirmed a very deep and active landslide plane — previously considered dormant —during exploratory drilling this summer, a discovery that has upended emergency efforts aimed at stabilizing the area.”
latimes.com/california/sto…
UT Jackson School of Geosciences (@txgeosciences) 's Twitter Profile Photo

Research professors from our Bureau of Economic Geology's Clastics Lab adapted an algorithm that's frequently used in voice recognition software to compare geological samples. Their results are raising questions about the earthquake record of Cascadia. jsg.utexas.edu/news/2024/08/a…

Research professors from our <a href="/Bureau3E/">Bureau of Economic Geology</a>'s  <a href="/ClasticsLab/">Clastics Lab</a> adapted an algorithm that's frequently used in voice recognition software to compare geological samples.

Their results are raising questions about the earthquake record of Cascadia. 

jsg.utexas.edu/news/2024/08/a…
Jascha Polet (@cppgeophysics) 's Twitter Profile Photo

M3.5 strike slip faulting earthquake at shallow depth near Ontario (and my old university Cal Poly Pomona) earthquake.usgs.gov/earthquakes/ev…

M3.5 strike slip faulting earthquake at shallow depth near Ontario (and my old university Cal Poly Pomona)
earthquake.usgs.gov/earthquakes/ev…
Jascha Polet (@cppgeophysics) 's Twitter Profile Photo

The M3.5 earthquake near Ontario (and my old university Cal Poly Pomona) about an hour ago is a strike slip event, part of the Fontana trend

The M3.5 earthquake near Ontario (and my old university Cal Poly Pomona) about an hour ago is a strike slip event, part of the Fontana trend
Jascha Polet (@cppgeophysics) 's Twitter Profile Photo

M4.7 strike slip earthquake near Malibu just now! Just onshore and 13 km deep. 🧪⚒️ earthquake.usgs.gov/earthquakes/ev…

M4.7 strike slip earthquake near Malibu just now! Just onshore and 13 km deep. 🧪⚒️
earthquake.usgs.gov/earthquakes/ev…
Jascha Polet (@cppgeophysics) 's Twitter Profile Photo

Today’s M4.7 earthquake near Malibu was located about 10 km from a M4.6 event in February. However, today’s quake was a strike slip event, whereas the earlier earthquake occurred on a reverse fault.

Today’s M4.7 earthquake near Malibu was located about 10 km from a M4.6 event in February. However, today’s quake was a strike slip event, whereas the earlier earthquake occurred on a reverse fault.
Yuri Beletsky (@ybeletsky) 's Twitter Profile Photo

Comet C/2023 A3 (Tsuchinshan-ATLAS) is finally here ! ☄️✨I captured this image this morning at 09:22 UTC from Carnegie Las Campanas Observatory in Atacama desert in Chile 🇨🇱 The view was absolutely spectacular ! The clouds were constantly moving just above the horizon, but we got really lucky when the

Comet C/2023 A3 (Tsuchinshan-ATLAS) is finally here ! ☄️✨I captured this image this morning at 09:22 UTC from <a href="/LCOAstro/">Carnegie Las Campanas Observatory</a> in Atacama desert in Chile 🇨🇱 The view was absolutely spectacular ! The clouds were constantly moving just above the horizon, but we got really lucky when the
Jascha Polet (@cppgeophysics) 's Twitter Profile Photo

Find Las Vegas on this map of “Did you feel it” responses for the M4.7 Stovepipe Wells #earthquake 🤔 earthquake.usgs.gov/earthquakes/ev…

Find Las Vegas on this map of “Did you feel it” responses for the M4.7 Stovepipe Wells #earthquake 🤔

earthquake.usgs.gov/earthquakes/ev…