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- In large earthquakes, the Earth moves for almost everyone
- And the ScienceSeeker Award for best physics, astronomy, or earth science post goes to…
- Weekend procrastination for geonerds
- The dimensions of natural disasters
- After the dam came out: The Cuyahoga River in Kent
- My class visits the Geology Department – by Geokid
- The intrusion of nature
- Echoes of Wenchuan: magnitude 6.6 earthquake shakes Sichuan province in west China.
Latest Comments
- On And the ScienceSeeker Award for best physics, astronomy, or earth science post goes to…:
- Silver Fox: Very nice! Read
- Carol Jefferson: Most excellent, Chris. Read
- Chenjian: Cool! Congratulations! Read
- Eric Bilderback: As noted in other comments, the three axis plot is a graphical representation of some of the... Read
- Damian Grant: This is exactly the representation of risk used in the risk literature, where Vulnerability is... Read
- Gaythia Weis: I agree that vulnerability is key. This could be quite useful in such things as future development... Read
- Anne Jefferson: The Pennsylvania and Ohio canal was constructed around 1840 and went out of use in ~1857. A... Read
- Lab Lemming: How long since the locks were navigated? They look early 1800′s from the channel size. Read
Geotweetage
Category Archives: geophysics
We have a seismometer in our basement…
Or, more accurately, my department does. And it rather handily picked up last week’s magnitude 8 earthquake near the Santa Cruz Islands (subject of the latest Friday Focal Mechanisms), all the way over in the southwest Pacific. Here’s the seismogram: … Continue reading
Earthly and Unearthly Beauty
NASA unveiled a couple of rather beautiful things at AGU last week – and despite actually being at the conference, I haven’t really had the time to sit back and appreciate them until now. The first was the ‘Black Marble’, … Continue reading
AGU Dispatches: Final Day and Final Thoughts
Unless you are presenting, the final day of a 5 day-conference can be a test of your intellectual fortitude: it can be tough to force your tired and stuffed-with-cool-new-science brain to take an interest in any more talks or posters. … Continue reading
Now that’s what I call a geomagnetic storm!
It appears that I was a litte premature with yesterday’s post. Look at what happened to the ambient magnetic field at the two observatories at Boulder and Deadhorse today (the dotted line represents about where the plots I put up … Continue reading
The Earth weathers another geomagnetic storm
A couple of days ago, the sun got a bit excitable: This large flare produced what is known as a Coronal Mass Ejection (CME), a blob of gas and radiation hurled at high velocities from the surface of the sun … Continue reading
