Friday, January 2, 2009

Earthquake Report for 2008

In 2008 OVSICORI (Observatory of Volcanism and Seismology of Costa Rica) recorded 4,746 earthquakes here in Costa Rica. Of those only 61 were reported as having been felt by the public.

Here is a monthly count of those 61 reported as being felt.

January - 6
February - 3
March - 3
April - 6
May - 15
June - 5
July - 6
August - 6
September - 4
October - 1
November - 2
December - 3

Here is a monthly count of those 4,746 recorded on OVSICORI seismographs.

January - 330
February - 368
March - 472
April - 375
May - 414
June - 393
July - 596
August - 370
September - 405
October - 311
November - 493
December - 291

The daily quake average for 2008 was 13.

DATE * MAGNITUDE * MILES DEEP * DESCRIPTION
1-1.................. 3.0............................ 5............Local fault
1-18................ 5.0.......................... 18.6 .......Subduction Zone
1-19................ 3.3............................ 3.7.........Local Fault
1-22................ 3.5......................... 25.48.......Subduction Zone
1-24................ 4.0......................... 20.5.........Subduction Zone
1-28................ 3.5......................... 19.3..........Subduction Zone
2-21................ 4.2......................... 15.............N.Panama Deformity
2-25................ 3.3........................... 8.............Local Fault
2-28................ 4.3......................... 18.6..........Subduction Zone
3-17................. 2.3........................... 1.9..........Local Fault
3-18................. 3.2........................... 7.5..........Local Fault
3-20................. 3.5........................... 6.2.........Local Fault
4-2................... 4.0......................... 21.7.........Subduction Zone
4-3................... 2.6........................... 6.2..........Local Fault
4-6................... 4.4......................... 21.7...........Subduction Zone
4-6................... 3.8......................... 15.5...........Subduction Zone
4-11................. 3.5........................... 6.8...........Local Fault
4-12................. 2.0............................. .6..........Local Fault
5-22................. 4.8........................... 9.3..........Local Fault
5-23.................. 3.1.......................... 2.2..........Local Fault
5-24.................. 2.7.......................... 6.2..........Local Fault
5-25.................. 3.7.......................... 3.7..........Local Fault
5-26.................. 5.1.......................... 0 ............Panama Fracture
5-26.................. 4.8.........................21.7..........Local Fault
5-26.................. 4.6.......................... 3.7..........Local Fault
5-26.................. 5.3.......................... 8.7..........Local Fault
5-26.................. 5.4.......................... 9.9..........Panama Fracture
5-27.................. 4.8........................... 3.7.........Tectonic Zone Panama Fracture
5-28.................. 3.7............................. .6.........Tectonic Zone Panama Fracture
5-29.................. 5.1 ............................. .6........Tectonic Zone Panama Fracture
5-29.................. 3.6.............................. .6........Tectonic Zone Panama Fracture
5-29.................. 4.9.......................... 21.1........Tectonic Zone Panama Fracture
5-29.................. 4.9 .............................. .6.......Tectonic Zone Panama Fracture
5-30.................. 4.1............................. 9.3........Subduction Zone
6-2.................... 4.2............................ 18 ..........Local Fault
6-10.................. 3.8........................... 43.5........Tectonic Subduction Zone
6-13.................. 2.5............................. 5.6.........Local Fault
6-17.................. 5.8............................ 11.2........Panama Fracture
6-29.................. 3.5........................... 12.4........Subduction Zone
7-13.................. 3.1.............................. 4.3........Local Fault
7-19.................. 4.8............................ 31.1........Subduction Zone
7-20.................. 4.5............................ 22.4.......Subduction Zone
7-22.................. 3.2............................... 6.8.......Local Fault
7-22.................. 4.2............................. 28.1.......Subduction Zone
7-23.................. 3.0............................... 8 .........Local Fault
8-3.................... 2.6............................... 5.6........Local Fault
8-3 ....................2.1............................. 14.3........Local Fault
8-4.................... 1.7................................ ? ..........Local Fault
8-14.................. 6.0.............................. 6.2.........Panama Fracture
8-20.................. 4.5............................ 15.5........Subduction Zone
8-22.................. 5.4............................ 14.3.........Panama Fracture
9-10.................. 5.6.............................. 9.3........ Panama Fracture
9-12.................. 2.9............................. 11.2........Subduction Zone
9-19.................. 2.8............................... 5.6........Local Fault
9-21.................. 2.8............................... 5.6........Local Fault
10-2.................. 4.6............................. 16.8........Subduction Zone
11-19................. 6.2............................. 15.5........Panama Fracture
11-20................. 3.3............................... 3.1........Local Fault
12-6................... 4.9............................. 21.7.........Subduction Zone
12-15................. 5.0............................. 24.2........Local Fault
12-16................. 3.0............................... 7.5.........Local Fault


**** All the information used in this post was obtained and translated from a report made by OVSICORI.

2 comments:

The Khaje Khronicles said...

Earthquakes are not really my thing, but Steve enjoyed this report. lol

Amrita said...

Never knew Costa Rica was so earthquake prone.
Heard there are volcanoe there.s