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Ecuador quake fears after hundreds of tremors hit
Reuters and Alertnet.org ^
| 31 Jan 2005 22:19:00 GMT
Posted on 02/01/2005 2:21:46 AM PST by bd476
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Ecuador quake fears after hundreds of tremors hit
31 Jan 2005 22:19:00 GMT
Source: Reuters
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QUITO, Ecuador, Jan 31 (Reuters) - Hundreds of earth tremors off the coast of Ecuador in the past 11 days have sparked fears that a bigger quake could strike soon. "This isn't normal," the director of Geophysics Institute at the National Polytechnic School, Hugo Yepez, told Reuters on Monday, "This area is capable of producing big earthquakes. Very big earthquakes." About 320 tremors of more than 4.0 on the Richter scale have shaken the Pacific Ocean off the port of Manta since Jan. 20. So far no one has been reported hurt but some small fishing villages have seen damages. An earthquake measured at 7.9 on the Richter scale battered the Pacific city of Guayaquil in 1942, although fragmentary reports from the time did not mention casualties. The shape of Ecuador's coastline would prevent the formation of a tsunami like the one which smashed into parts of Asia in December, experts say.
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TOPICS: Foreign Affairs; News/Current Events
KEYWORDS: earthquake; ecuador; quake; quakes; quito; swarmofquakes; tremors
1
posted on
02/01/2005 2:21:46 AM PST
by
bd476
To: bd476
Magnitude 6.1 - OFF THE COAST OF ECUADOR
2005 January 28 09:26:17 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
A strong earthquake occurred at 09:26:17 (UTC) on Friday, January 28, 2005. The magnitude 6.1 event has been located OFF THE COAST OF ECUADOR. (This event has been reviewed by a seismologist.)
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Magnitude |
6.1 |
Date-Time |
Friday, January 28, 2005 at 09:26:17 (UTC) = Coordinated Universal Time Friday, January 28, 2005 at 4:26:17 AM = local time at epicenter
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Location |
1.197°S, 81.188°W |
Depth |
10 km (6.2 miles) set by location program |
Region |
OFF THE COAST OF ECUADOR |
Distances |
85 km (50 miles) W of Portoviejo, Ecuador 180 km (110 miles) NW of Guayaquil, Ecuador 250 km (155 miles) WSW of Santo Domingo de los Colorados, Ecuador 320 km (195 miles) WSW of QUITO, Ecuador
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Location Uncertainty |
horizontal +/- 6.5 km (4.0 miles); depth fixed by location program |
Parameters |
Nst=115, Nph=115, Dmin=343.6 km, Rmss=0.88 sec, Gp= 47°, M-type=teleseismic moment magnitude (Mw), Version=Q |
Source |
USGS NEIC (WDCS-D)
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2
posted on
02/01/2005 2:31:49 AM PST
by
bd476
(God Bless those in harm's way and bring peace to those who have lost loved ones today.)
To: bd476
Volcanic activity?
3
posted on
02/01/2005 2:34:48 AM PST
by
DB
(©)
To: bd476
Magnitude 6.2 - OFF THE COAST OF ECUADOR
2005 January 28 15:46:44 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
A strong earthquake occurred at 15:46:44 (UTC) on Friday, January 28, 2005. The magnitude 6.2 event has been located OFF THE COAST OF ECUADOR. (This event has been reviewed by a seismologist.)
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Magnitude |
6.2 |
Date-Time |
Friday, January 28, 2005 at 15:46:44 (UTC) = Coordinated Universal Time Friday, January 28, 2005 at 10:46:44 AM = local time at epicenter
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Location |
1.143°S, 81.070°W |
Depth |
10 km (6.2 miles) set by location program |
Region |
OFF THE COAST OF ECUADOR |
Distances |
70 km (45 miles) W of Portoviejo, Ecuador 170 km (105 miles) NW of Guayaquil, Ecuador 235 km (145 miles) WSW of Santo Domingo de los Colorados, Ecuador 305 km (190 miles) WSW of QUITO, Ecuador
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Location Uncertainty |
horizontal +/- 7 km (4.3 miles); depth fixed by location program |
Parameters |
Nst=126, Nph=126, Dmin=329.1 km, Rmss=1 sec, Gp= 47°, M-type=teleseismic moment magnitude (Mw), Version=Q |
Source |
USGS NEIC (WDCS-D)
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Event ID |
ustvaz |
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4
posted on
02/01/2005 2:35:00 AM PST
by
bd476
(God Bless those in harm's way and bring peace to those who have lost loved ones today.)
To: bd476
IIRC, the largest quake ever in history (recorded history) was a 9.5 off the coast of S. America in 1960, I think.
5
posted on
02/01/2005 2:37:17 AM PST
by
djf
To: bd476
Magnitude 5.1 - NEAR THE COAST OF ECUADOR
2005 January 30 07:06:48 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
A moderate earthquake occurred at 07:06:48 (UTC) on Sunday, January 30, 2005. The magnitude 5.1 event has been located in NEAR THE COAST OF ECUADOR. (This event has been reviewed by a seismologist.)
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Magnitude |
5.1 |
Date-Time |
Sunday, January 30, 2005 at 07:06:48 (UTC) = Coordinated Universal Time Sunday, January 30, 2005 at 2:06:48 AM = local time at epicenter
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Location |
0.880°S, 80.957°W |
Depth |
28.6 km (17.8 miles) set by location program |
Region |
NEAR THE COAST OF ECUADOR |
Distances |
60 km (35 miles) WNW of Portoviejo, Ecuador 185 km (115 miles) NW of Guayaquil, Ecuador 215 km (130 miles) WSW of Santo Domingo de los Colorados, Ecuador 285 km (175 miles) WSW of QUITO, Ecuador
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Location Uncertainty |
horizontal +/- 7.4 km (4.6 miles); depth fixed by location program |
Parameters |
Nst=100, Nph=100, Dmin=304.8 km, Rmss=0.87 sec, Gp=104°, M-type=body magnitude (Mb), Version=6 |
Source |
USGS NEIC (WDCS-D)
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Event ID |
ustxad |
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6
posted on
02/01/2005 2:37:38 AM PST
by
bd476
(God Bless those in harm's way and bring peace to those who have lost loved ones today.)
To: djf
Yup.
The largest earthquake ever recorded by seismometers (the 1960 Chilean event with 9.5 Mw ) had a seismic moment equivalent to the energy of 9 trillion kilotons of TNT!
7
posted on
02/01/2005 2:39:37 AM PST
by
djf
To: DB
That's a good question, DB.
They aren't kidding about hundreds of quakes.
8
posted on
02/01/2005 2:42:47 AM PST
by
bd476
(God Bless those in harm's way and bring peace to those who have lost loved ones today.)
To: djf
Good research, DJF. Hopefully these 6.0+ quakes won't lead to anything that large.
9
posted on
02/01/2005 2:44:13 AM PST
by
bd476
(God Bless those in harm's way and bring peace to those who have lost loved ones today.)
To: capitan_refugio; lainie; oceanperch; Darksheare; Quilla; SubMareener; Esther Ruth; kimchi lover; ...
10
posted on
02/01/2005 2:45:29 AM PST
by
bd476
(God Bless those in harm's way and bring peace to those who have lost loved ones today.)
To: bd476
Yup. Decimal points for Dummies tells us that's equivalent to 9.5 billion megatons.
Pretty soon we will have the naysayers showing up telling us that this is all normal activity, nothing to get excited about, it can't possibly be connected, ad nauseum, as nauseum.
Yet the recent 9.0 was the biggest event by far since the 1964 9.2 at Prince William in Alaska. That quake was the second largest in history, in fact 5 or 6 of the ten greatest quakes ever occurred in the 50's and 60's.
So the 9.0, which adds up to about the 4th largest quake ever recorded, could indeed signal a newly awakened period of heightened seismicity.
11
posted on
02/01/2005 2:50:37 AM PST
by
djf
To: bd476
The current 7 day California earthquake map has 288 quakes on it...
Is there an equivalent map of California showing all quakes since 1990 (similar to the one you posted)?
12
posted on
02/01/2005 3:08:46 AM PST
by
DB
(©)
To: djf
Well the only thing I'd say is that we haven't been recording the actual strength of quakes with instruments very long in the scheme of things. With such a short time record it is really hard to know what is "normal". The ring of fire seems pretty active lately though...
13
posted on
02/01/2005 3:15:33 AM PST
by
DB
(©)
To: bd476
320 in ten days. I would be a nervous wreck, being earthquake phobic and all.
I would be saying "Oh GOD" alot and not in the passionate immoral whoring way.
14
posted on
02/01/2005 3:26:36 AM PST
by
oceanperch
(2005 is going to be an Awesome Year, which way that will go only God knows)
To: bd476
Is post 4 a second earthquake to the first one you posted or an update on the first on????
I noticed the time diff but not much else.
15
posted on
02/01/2005 3:30:05 AM PST
by
oceanperch
(2005 is going to be an Awesome Year, which way that will go only God knows)
To: oceanperch
It's a second one. I posted three of the most recent and largest quakes occurring in Ecuador.
16
posted on
02/01/2005 3:33:24 AM PST
by
bd476
(God Bless those in harm's way and bring peace to those who have lost loved ones today.)
To: oceanperch
Yep, the 6.0+ quakes would be over the top for me as well. Two of them in one day would not be fun. Sometimes anything over a 5.5 is enough to trigger a case of the eeby jeebies, LOL.
17
posted on
02/01/2005 3:35:03 AM PST
by
bd476
(God Bless those in harm's way and bring peace to those who have lost loved ones today.)
To: DB
The ring of fire seems pretty active lately though...
If by "lately" you mean "the last 50 million years."
There hasn't been a Magnitude 7.0+ quake for the entire month of January. Normally there are 18 of those a year, or more than 1 per month.
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