Panama Hit By 6.1 Magnitude Earthquake

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[South40]

Bummer. I have friends in Boquete.

[cripplecreek]

Nothing here in Michigan.

[Domandred]

http://earthquake.usgs.gov/eqcenter/recenteqsww/Quakes/us2009nbad.php#details

[ButThreeLeftsDo]

Snork...

[rdl6989]

http://earthquake.usgs.gov/eqcenter/recenteqsww/Quakes/us2009nbad.php

[vetvetdoug]

6.1 is pretty bad for a banana republic. The infrastructure is not as good as some of the more affluent countries. There are a good many US retirees there.

[maine-iac7]

The big ones have been rumbling around the ring of fire for the past few weeks - heading up to Calif?

[Cvengr]

Off the coast in the Pacific. I wonder how that will add in with the Hurricane to the north.

[txhurl]

No word of tsunami threat yet, I guess?

[bmwcyle]

ping

[cripplecreek]

The big ones have been rumbling around the ring of fire for the past few weeks

Try laying off the spicy food for a few days.

[Cvengr]

Gee, Huricane Rick sure disappeared in a hurry, 3 days. It was projected to make landfall as Class 1 or 2, but looks like it is now less than 30mph winds.

[Loud Mime]

That’s somewhere South of Baru, one of three volcanoes in Panama.

[NorwegianViking]

I'll second that...Rick just "disappeared". Looking at the map, the weather patterns seem weird.

[NorwegianViking]

[steve86]

A friend just sold her house here and moved to Panama.

Quake seems to have been downgraded to 5.8.

[Publius6961]

Map

There ya go.

[NorwegianViking]

Thanks for the map....looking at the red fault line, I noticed that “squares” were made...from the big red 6.1 to the earlier smaller one in yellow. Just looks strange that the cracks in the earth would be at right angles.

[Global2010]

As a EQ watcher I noticed that too.

Been having more activity up off the coast of the PNW.

Lotta lil pressure releases.

[Publius6961]

Looks close to the southern border of Costa Rica.
Just to the left of the word "San Jose" along the north edge of the map is the Nicoya peninsula, a fascinating seismic area near volcanoes, a huge undersea landslide, and the interface of a subduction zone between crustal plates.

The area from Nicaragua to Panama along the Pacific is very active both volcanically and seismically.

[txhurl]

Rick just went over me.

I’ve never seen a storm escorted over land that fast.

[WoofDog123]

driving in panama city at the time of this I didn’t feel it, but not sure if felt in the city or not. I most certainly felt the 6.x quake north of colon this summer, worst shaking I have ever felt here.

[cajungirl]

What about the canal? Could it be badlly damaged by a quake?

[unkus]

Algore is not happy.

[Revel]

“What about the canal? Could it be badlly damaged by a quake?”

Well it belongs to China now.

[gidget7]

I am kinda ignorant about such things, but let me ask anyway. The recent eq’s in the pacific seem to have triggered others. Is there anyway to know if more can be expected anytime soon further up the coast of CA? Please tell me no. lol

[John W]

I’ve yet to see the downgrade you referred to anywhere.

[JimSEA]

It certainly seems as though the plates, they are moving. If you look at the vast area from Samoa to Indonesia, things are still shaking. If your interest is mostly in the US, look at Southern and Central California for very small quakes, 1.0 to 2.5, along the transverse fault area. Kind of spooky.

[ExSoldier]

I wonder if there's been any damage to the system of locks in the Panama Canal.

[Cvengr]

Actually, it is very likely that cracks form at right angles because mathematically, that is the most efficient way of intercepting the stress raiser in an advancing crack. (at least by Dugdale, Griffith, and Rice’s crack theories.)

Whenever a homogeneous and brittle material cracks, there is a zone of increased stress preceding the tip of the crack. (That’s consistent with why things crack continually in one direction along a shear plane.) When the tip of an advancing crack intercepts another crack at less than 90 degrees, there is some tendency for the crack to continue to travel. When it hits a 90 degree intercepting crack, there is a chance the advancing crack will halt and no longer present a dynamic cracking mechanism.

The other way is for the crack to intercept a surface such as a hole or circular crack. That is one reason Navy sailors drill holes in steel and ram cones into them to stop a sheet metal crack in a bulkhead.

[gidget7]

Yes it is spooky. I am mainly concerned with Guatemala, till the end of the week. My Mom is down there on mission till then.

[SunkenCiv]

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[mojitojoe]

Soooo many people are buying homes in Panama. Obongo is making Panama a wealthy country. No wonder Trump built a new Trump Towers in Panama City. He follows the money.

[ConservativeMind]

A relative of ours lives in Panama City. They are fine there. The quake was apparently far away.

[Rebelbase]

“Is there anyway to know if more can be expected anytime soon further up the coast of CA?”

Overdue.

[NorwegianViking]

Actually, it is very likely that cracks form at right angles because mathematically, that is the most efficient way of intercepting the stress raiser in an advancing crack. (at least by Dugdale, Griffith, and Rice’s crack theories.)

Whenever a homogeneous and brittle material cracks, there is a zone of increased stress preceding the tip of the crack. (That’s consistent with why things crack continually in one direction along a shear plane.) When the tip of an advancing crack intercepts another crack at less than 90 degrees, there is some tendency for the crack to continue to travel. When it hits a 90 degree intercepting crack, there is a chance the advancing crack will halt and no longer present a dynamic cracking mechanism.

The other way is for the crack to intercept a surface such as a hole or circular crack. That is one reason Navy sailors drill holes in steel and ram cones into them to stop a sheet metal crack in a bulkhead.

Thanks, Cvengr for the explanation and your source. Appreciate you sharing your expertise. Best wishes.

[Publius6961]

World Plates

That map shows all existing seismic plates.

As you can see, the plates at work in Panama/Costa Rica (Cocos/Nazca/Caribbean) are not the same ones affecting California (Pacific/Juan de Fuca/North American.)

Aside from that, there are hundreds of quakes of all sizes worldwide, and how (or if) they interact no one knows, that I am aware.

Here is the place to check all earthquakes worldwide:

World Earthquakes

On that page are regional maps with more details.

Good luck!

[Cedar]

Nice links, thanks for posting.

[gidget7]

Thank you!

[Publius6961]

How about another one?
Animations.

Earth Animations

[gidget7]

WOW, taking in all of that site could be a career!