Owen A. Callahan, Ph.D.
@eegeos.bsky.social
Structural and geothermal geologist. Water/rock interaction, faults & fractures, deformation, mineralization, hot springs. UAS, GIS. Owner, En Échelon Geosolutions (www.eegeos.com). Associate faculty at Cabrillo College, Santa Cruz, CA. He/Him.
Fuck all that.
October 24, 2025 at 7:34 PM
Fuck all that.
I spelled new as knew in my latest conference paper...
October 23, 2025 at 4:55 AM
I spelled new as knew in my latest conference paper...
Varies somewhat by state and city. But the point holds.
October 14, 2025 at 2:16 AM
Varies somewhat by state and city. But the point holds.
Right! It's a great tool, doesn't force you into the cloud, and works on Macs!
September 24, 2025 at 6:27 PM
Right! It's a great tool, doesn't force you into the cloud, and works on Macs!
Or whose meme coin to buy.
September 20, 2025 at 2:54 PM
Or whose meme coin to buy.
You should pose these prompts to Terra Rogers @cleanaircatf.bsky.social
September 20, 2025 at 1:42 AM
You should pose these prompts to Terra Rogers @cleanaircatf.bsky.social
$1 trillion would be >$1.9 million, every single minute of the year... Or a rate of >$48 million / hr for the 2080 working hours in a year. 🤢
September 14, 2025 at 4:35 AM
$1 trillion would be >$1.9 million, every single minute of the year... Or a rate of >$48 million / hr for the 2080 working hours in a year. 🤢
Cryptic earthquake/scicomm/hazard subskeets increase out FOMO
September 8, 2025 at 5:01 PM
Cryptic earthquake/scicomm/hazard subskeets increase out FOMO
The first time I drove through Arizona I wondered why they had all those Tibetan flags around.
August 16, 2025 at 5:11 AM
The first time I drove through Arizona I wondered why they had all those Tibetan flags around.
Oblique nighttime thermal image of a Cascade volcano and glacial stream...
July 24, 2025 at 12:23 AM
Oblique nighttime thermal image of a Cascade volcano and glacial stream...
I like how the river stays a river without banks as it enters the ocean then just turns into vegetation
July 7, 2025 at 9:49 PM
I like how the river stays a river without banks as it enters the ocean then just turns into vegetation
Let's just not with the click bait headlines, ok?
June 3, 2025 at 1:50 PM
Let's just not with the click bait headlines, ok?
I've seen landslides in WA monitored by time lapse photography, which is cool but not the same 😥
May 13, 2025 at 3:40 PM
I've seen landslides in WA monitored by time lapse photography, which is cool but not the same 😥
Here's a nice example of AI searches being total crap:
May 10, 2025 at 8:24 PM
Here's a nice example of AI searches being total crap:
I use monthly insurance for commercial photogrammetry (drone) work, but that is a bit different
May 8, 2025 at 3:43 PM
I use monthly insurance for commercial photogrammetry (drone) work, but that is a bit different