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Knoxville Earthquake

Knoxville had a genuine earthquake at roughly 12:30am on April 11, 2012! Houses shook and a loud boom was reported in Rocky Hill, South Knoxville, and Seymour. #knoxquake

Type: Earthquake
27 minutes ago
Magnitude: 2.2
DateTime: Wednesday April 11 2012, 04:39:14 UTC
Region: eastern Tennessee
Depth: 4.9 km
Source: USGS Feed

[Source, Global Incident Map]

[Source, Folkworm]

Earthquake Details

This event has been reviewed by a seismologist.

Magnitude 2.2
Date-Time

Wednesday, April 11, 2012 at 04:39:14 UTC
Wednesday, April 11, 2012 at 12:39:14 AM at epicenter
Time of Earthquake in other Time Zones

Location 35.756°N, 83.825°W
Depth 4.9 km (3.0 miles)
Region EASTERN TENNESSEE
Distances 13 km (8 miles) E of Maryville, Tennessee
24 km (14 miles) SSE of Knoxville, Tennessee
49 km (30 miles) SE of Oak Ridge, Tennessee
275 km (170 miles) E of NASHVILLE, Tennessee
Location Uncertainty horizontal +/- 10.3 km (6.4 miles); depth +/- 3.1 km (1.9 miles)
Parameters NST= 16, Nph= 29, Dmin=12.2 km, Rmss=1.35 sec, Gp= 50°,
M-type=”Nuttli” surface wave magnitude (mbLg), Version=4
Source

Magnitude: USGS NEIC (WDCS-D)
Location: USGS NEIC (WDCS-D)

Event ID usc000903d

[Source, USGS]

Upgraded:

Earthquake Details

This event has been reviewed by a seismologist.
Magnitude
2.3
Date-Time
Wednesday, April 11, 2012 at 04:39:12 UTC
Wednesday, April 11, 2012 at 12:39:12 AM at epicenter
Time of Earthquake in other Time Zones
Location
35.797°N, 83.838°W
Depth
19.4 km (12.1 miles)
Region
EASTERN TENNESSEE
Distances
10 km (6 miles) E (85°) from Eagleton Village, TN
10 km (6 miles) ESE (116°) from Rockford, TN
10 km (6 miles) SW (215°) from Seymour, TN
22 km (14 miles) SSE (154°) from Knoxville, TN
232 km (144 miles) NNE (13°) from Atlanta, GA
Location Uncertainty
horizontal +/- 0.4 km (0.2 miles); depth +/- 0.8 km (0.5 miles)
Parameters
NST= 18, Nph= 24, Dmin=16 km, Rmss=0.14 sec, Gp= 86°,
M-type=duration magnitude (Md), Version=B
Source
Southeast U.S. Seismic Network
Event ID
se041112a

[Source, USGS]

In 2007, Knoxville ran practice drills in preparation for a 7.7 earthquake. Thankfully, it hasn’t come yet!

Possibly linked: Apparently there was a magnitude 8.6 earthquake off Aceh, Indonesia at the same time. Tsunami warning issued. See also usgs.

[Source, Global Incident Map]

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Easter Weekend

Had a phenomenal Easter weekend. My daughter came home from college in New York so the entire family was together. Her siblings really miss her. The weather was perfect! I have grass on the lawn for the first time since…well…since I bought the house in 1997. And we had a great Easter egg hunt although I believe the Easter bunny needs to be a little tougher on hiding eggs next year.

As for Monday, I need a pick me up. Must have spent all my happiness this weekend.

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Wastin’ the day away in tech

Yesterday I wasted my time trying to move Windows 7 Ultimate from one machine to another. Techies know the chipset/driver problems that come with such an endeavor, but, none the less, we feel we can overcome these challenges. A day later, I feel I am so close yet I still do not have a machine to perform my coding duties upon so I succumb to allowing the new machine to having a fresh Windows 7 Professional installation and prepare myself to spend the day reinstalling software. This is such a waste of time. Operating systems should accommodate moving a hard drive from one machine to another, realizing the chipset and hardware drivers are wrong, and fix itself seamlessly. Ugh!

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Air conditioner doubles as fire starter

Our air conditioner has died. Last time it died was in July/August of 2007 and the temperatures were so hot that the insurance company paid to house us in a hotel for the 9 days of the repair. This time the weather is bearable and the repair is quicker. However, this does not come without drama. While the repairman was checking on the outside unit, he asked me to throw the 30 amp breaker at the inside unit. When I did, the breaker box erupted in flame and threw a shower of sparks. This small breaker box (holds a 30 amp dual pole breaker and a 60 amp dual pole breaker) does not currently attach to our wall so I was holding it in my hands at the time. Very exciting!

Apparently the breaker did exactly what it is designed to do. After opening the box, not a wire was burned. No insulation melted. I just received a light show. I can imagine that if I were to dissect the breaker itself that the innards would be melted sludge.

So, the breaker kept the house safe. Now, the big lesson I learned: Don’t ever tell the wife there was a fire inside the house!