Two deep earthquakes struck Salta, Argentina

two-deep-earthquakes-struck-salta-argentina

Magnitude 6.0 earthquake struck Salta, Argentina on June 2, 2012 according to USGS. Epicenter was 8 km (4 miles) SE of Yacuiba, Bolivia and 54 km (33 miles) NNE of Tartagal, Salta, Argentina (22.109°S, 63.625°W). Recorded depth was 519.6 km (322.9 miles). Earthquake was too deep to produce any damage. This is second earthquake to hit this region in 2012 but historical map since 1900 shows active region.

Magnitude 6.0
Date-Time
  • Saturday, June 02, 2012 at 07:52:53 UTC
  • Saturday, June 02, 2012 at 04:52:53 AM at epicenter
Location 22.109°S, 63.625°W
Depth 519.6 km (322.9 miles)
Region SALTA, ARGENTINA
Distances 8 km (4 miles) SE of Yacuiba, Bolivia
54 km (33 miles) NNE of Tartagal, Salta, Argentina
131 km (81 miles) ESE of Tarija, Bolivia
1469 km (912 miles) NNW of BUENOS AIRES, D.F., Argentina
Location Uncertainty horizontal +/- 13.7 km (8.5 miles); depth +/- 2.9 km (1.8 miles)
Parameters NST=592, Nph=683, Dmin=618.9 km, Rmss=0.82 sec, Gp= 14°,
M-type=teleseismic moment magnitude (Mw), Version=E
Source
  • Magnitude: USGS NEIC (WDCS-D)
    Location: USGS NEIC (WDCS-D)
Event ID usb000a5a0

Historical seismicity since 1900

Just 20 minutes prior to 6.0 earthquake a 4.4 magnitude earthuake struck the same region. Recorded depth of this one was 513.9 km (319.3 miles).

Magnitude 4.4
Date-Time
  • Saturday, June 02, 2012 at 07:31:08 UTC
  • Saturday, June 02, 2012 at 04:31:08 AM at epicenter
Location 22.133°S, 63.654°W
Depth 513.9 km (319.3 miles)
Region SALTA, ARGENTINA
Distances 13 km (8 miles) SSE of Yacuiba, Bolivia
47 km (29 miles) NNE of Tartagal, Salta, Argentina
132 km (82 miles) ESE of Tarija, Bolivia
1464 km (909 miles) NNW of BUENOS AIRES, D.F., Argentina
Location Uncertainty horizontal +/- 16.1 km (10.0 miles); depth +/- 7.1 km (4.4 miles)
Parameters NST=301, Nph=312, Dmin=616.7 km, Rmss=0.99 sec, Gp= 25°,
M-type=body wave magnitude (Mb), Version=9
Source
  • Magnitude: USGS NEIC (WDCS-D)
    Location: USGS NEIC (WDCS-D)
Event ID usb000a59n

 

Featured image: Google Earth + USGS

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