Minggu, 12 Juni 2011

Small earthquake felt near Dallas in Waxahachie; 5.1 near Eritrea, Africa






A small earthquake was recorded thirteen miles southwest of Waxahachie. Waxahachie is about 36 miles from Dallas. The earthquake measured 2.7 magnitude.

Magnitude 2.7 - NORTHERN TEXAS

2011 June 12 16:51:48 UTC

Earthquake Details

  • This event has been reviewed by a seismologist.
2.7
32.236°N, 97.002°W
5 km (3.1 miles) set by location program
NORTHERN TEXAS
21 km (13 miles) SW of Waxahachie, Texas
38 km (23 miles) ESE of Cleburne, Texas
63 km (39 miles) SSW of Dallas, Texas
230 km (142 miles) NNE of AUSTIN, Texas
horizontal +/- 11 km (6.8 miles); depth fixed by location program
NST= 19, Nph= 19, Dmin=227.7 km, Rmss=1.46 sec, Gp= 79°,
M-type="Nuttli" surface wave magnitude (mbLg), Version=5
  • USGS NEIC (WDCS-D)
us2011mbbq



Earthquake Details

  • This event has been reviewed by a seismologist.
Magnitude5.1
Date-Time
Location13.458°N, 41.684°E
Depth10 km (6.2 miles) set by location program
RegionERITREA - ETHIOPIA REGION
Distances128 km (79 miles) WNW of Assab, Eritrea
193 km (119 miles) SW of Al Hudaydah, Yemen
239 km (148 miles) E of Mekele, Ethiopia
357 km (221 miles) ESE of ASMARA, Eritrea
Location Uncertaintyhorizontal +/- 5.7 km (3.5 miles); depth fixed by location program
ParametersNST= 95, Nph= 95, Dmin=317.5 km, Rmss=0.78 sec, Gp= 79°,
M-type=body wave magnitude (Mb), Version=7
Source
  • USGS NEIC (WDCS-D)
Event IDusc00045f9

http://earthquake.usgs.gov/earthquakes/recenteqsww/Quakes/usc00045f9.p

and another one


Magnitude 5.0 - ETHIOPIA

2011 June 12 19:21:45 UTC

Earthquake Details

  • This event has been reviewed by a seismologist.
Magnitude5.0
Date-Time
  • Sunday, June 12, 2011 at 19:21:45 UTC
  • Sunday, June 12, 2011 at 10:21:45 PM at epicenter
Location12.476°N, 41.748°E
Depth10 km (6.2 miles)
RegionETHIOPIA
Distances
  • 122 km (76 miles) WSW (242°) from Assab, Eritrea
  • 181 km (112 miles) WNW (303°) from DJIBOUTI, Djibouti
  • 272 km (169 miles) ESE (114°) from Mekele, Ethiopia
Location Uncertaintyhorizontal +/- 27.7 km (17.2 miles); depth +/- 2.9 km (1.8 miles)
ParametersNST= 61, Nph= 62, Dmin=>999 km, Rmss=1.14 sec, Gp=266°,
M-type=body wave magnitude (Mb), Version=7
Source
Event IDusc00045p7
http://earthquake.usgs.gov/earthquakes/recenteqsww/Quakes/usc00045p7.php



Magnitude 4.7 - ERITREA - ETHIOPIA REGION

2011 June 12 19:37:42 UTC

Earthquake Details

  • This event has been reviewed by a seismologist.
Magnitude4.7
Date-Time
  • Sunday, June 12, 2011 at 19:37:42 UTC
  • Sunday, June 12, 2011 at 10:37:42 PM at epicenter
Location13.316°N, 41.611°E
Depth10.1 km (6.3 miles)
RegionERITREA - ETHIOPIA REGION
Distances
  • 126 km (79 miles) WNW (286°) from Assab, Eritrea
  • 223 km (139 miles) SW (221°) from Al Hudaydah, Yemen
  • 233 km (145 miles) E (95°) from Mekele, Ethiopia
  • 254 km (158 miles) NW (319°) from DJIBOUTI, Djibouti
Location Uncertaintyhorizontal +/- 27.2 km (16.9 miles); depth +/- 2.8 km (1.7 miles)
ParametersNST= 27, Nph= 27, Dmin=>999 km, Rmss=0.64 sec, Gp=194°,
M-type=body wave magnitude (Mb), Version=4
Source
Event IDusc00045r8
http://earthquake.usgs.gov/earthquakes/recenteqsww/Quakes/usc00045r8.php


Magnitude 5.4 - ERITREA - ETHIOPIA REGION

2011 June 12 20:32:40 UTC

Earthquake Details

  • This event has been reviewed by a seismologist.
Magnitude5.4
Date-Time
  • Sunday, June 12, 2011 at 20:32:40 UTC
  • Sunday, June 12, 2011 at 11:32:40 PM at epicenter
Location13.441°N, 41.692°E
Depth10 km (6.2 miles)
RegionERITREA - ETHIOPIA REGION
Distances
  • 123 km (76 miles) WNW (294°) from Assab, Eritrea
  • 207 km (129 miles) SW (222°) from Al Hudaydah, Yemen
  • 241 km (150 miles) E (91°) from Mekele, Ethiopia
  • 259 km (161 miles) NW (322°) from DJIBOUTI, Djibouti
Location Uncertaintyhorizontal +/- 16.7 km (10.4 miles); depth +/- 2.8 km (1.7 miles)
ParametersNST=113, Nph=113, Dmin=317.3 km, Rmss=1.17 sec, Gp= 50°,
M-type=regional moment magnitude (Mw), Version=6
Source
Event IDusc00045vg





http://earthquake.usgs.gov/earthquakes/recenteqsww/Quakes/usc00045vg.php


Magnitude 5.7 - ERITREA - ETHIOPIA REGION

2011 June 12 21:03:23 UTC

Earthquake Details

  • This event has been reviewed by a seismologist.
Magnitude5.7
Date-Time
Location13.530°N, 41.625°E
Depth9.9 km (6.2 miles)
RegionERITREA - ETHIOPIA REGION
Distances133 km (82 miles) WNW of Assab, Eritrea
200 km (124 miles) SW of Al Hudaydah, Yemen
233 km (144 miles) E of Mekele, Ethiopia
353 km (219 miles) SE of ASMARA, Eritrea
Location Uncertaintyhorizontal +/- 17.1 km (10.6 miles); depth +/- 2.8 km (1.7 miles)
ParametersNST=113, Nph=114, Dmin=320.6 km, Rmss=0.88 sec, Gp= 72°,
M-type=regional moment magnitude (Mw), Version=6
Source
  • USGS NEIC (WDCS-D)
Event IDusc00045xc
http://earthquake.usgs.gov/earthquakes/recenteqsww/Quakes/usc00045xc.php


Unusual series of moderate (volcanic ?) earthquakes in Eritrea and Ethiopia

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