Magnitude 4.1 Earthquake NORTHERN COLOMBIA 2012 August 20

2012 August 20 13:00:30 UTC: NORTHERN COLOMBIA EARTHQUAKE

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Magnitude: 4.1

Date-Time: Monday, August 20, 2012 at 13:00:30 UTC

Monday, August 20, 2012 at 08:00:30 AM at epicenter

Earthquake data:

Location : 6.755°N, 73.146°W

Depth : 155.9 km (96.9 miles)

Region : NORTHERN COLOMBIA

Distances:

a)9 km (5 miles) NNE of Villanueva, Colombia

b)21 km (13 miles) N of San Gil, Colombia

c)28 km (17 miles) SSW of Piedecuesta, Colombia

d)32 km (19 miles) ESE of San Vicente de Chucuri, Colombia

Location Uncertainty:horizontal +/- 11 km (6.8 miles); depth +/- 7 km (4.3 miles)

Parameters: NST= 38, Nph= 38, Dmin=91.9 km, Rmss=0.94 sec, Gp= 97°, M-type=body wave magnitude (Mb), Version=5

Magnitude 4.3 Earthquake of NORTHERN COLOMBIA 2012 July 09

2012 July 09 09:50:40 UTC: NORTHERN COLOMBIA EARTHQUAKE

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Magnitude: 4.3

Date-Time: Monday, July 09, 2012 at 09:50:40 UTC

Monday, July 09, 2012 at 04:50:40 AM at epicenter

seismic data:

Location : 7.304°N, 73.135°W

Depth : 41.4 km (25.7 miles)
Region : NORTHERN COLOMBIA

Distances:

a)14 km (8 miles) W of Matanza, Colombia

b)19 km (11 miles) N of Bucaramanga, Colombia

c)25 km (15 miles) N of Giron, Colombia

d)26 km (16 miles) NNW of Floridablanca, Colombia

Location Uncertainty:horizontal +/- 13.8 km (8.6 miles); depth +/- 16.4 km (10.2 miles)

Parameters: NST= 36, Nph= 39, Dmin=152.5 km, Rmss=0.84 sec, Gp= 65°, M-type=body wave magnitude (Mb), Version=5

Magnitude 4.4 Earthquake of NORTHERN COLOMBIA 2012 February 24

2012 February 24 03:05:41 UTC: NORTHERN COLOMBIA

Magnitude: 4.4

Date-Time : Friday, February 24, 2012 at 03:05:41 UTC
Thursday, February 23, 2012 at 10:05:41 PM at epicenter
Location : 6.790°N, 73.077°W

Depth : 150.9 km (93.8 miles)

Region : NORTHERN COLOMBIA

Distances:

a) 37 km (22 miles) S of Bucaramanga, Colombia

b) 90 km (55 miles) ESE of Barrancabermeja, Colombia

c) 136 km (84 miles) SSW of Cucuta, Colombia

d) 266 km (165 miles) NNE of BOGOTA, Colombia

Location Uncertainty: horizontal +/- 21.8 km (13.5 miles); depth +/- 16.4 km (10.2 miles)

Parameters : NST= 62, Nph= 70, Dmin=95.7 km, Rmss=0.92 sec, Gp=119°, M-type=body wave magnitude (Mb), Version=5

Magnitude 4.3 Earthquake of NORTHERN COLOMBIA 2012 February 20

2012 February 20 12:09:38 UTC: NORTHERN COLOMBIA

Magnitude: 4.3

Date-Time : Monday, February 20, 2012 at 12:09:38 UTC
Monday, February 20, 2012 at 12:09:38 UTC

Location : 6.834°N, 73.146°W

Depth : 150.8 km (93.7 miles)

Region : NORTHERN COLOMBIA

Distances:

a) 33 km (20 miles) S of Bucaramanga, Colombia

b) 82 km (50 miles) ESE of Barrancabermeja, Colombia

c) 136 km (84 miles) SSW of Cucuta, Colombia

d) 267 km (165 miles) NNE of BOGOTA, Colombia

Location Uncertainty: horizontal +/- 20.8 km (12.9 miles); depth +/- 14.6 km (9.1 miles)

Parameters : NST= 24, Nph= 27, Dmin=100.2 km, Rmss=0.88 sec, Gp= 68°, M-type=body wave magnitude (Mb), Version=4