Earthquake hits Eritrea, Ethiopia

Reports from the United States Geological Survey (USGS) indicated that at least 14 light to moderate earthquakes took place in the Ethiopian Eritrean border area starting on Sunday evening, (Ethiopian time).

The first quake that took place around 6 PM was 5.1 magnitude and the strongest had been 5.7-magnitude, while the most of the rest were between 4.5-4.8 magnitude on Richter scale – a measurement of earthquakes.

The United States Geological Survey(USGS) said that there was a possibility of damage and casualties as a result of the earthquakes, according to BNO News. Moreover, it estimated that some 18,000 people may have felt moderate to strong shaking as a result of the 5.7-magnitude earthquakes, while 3.6 million others were estimated to have perceived light shaking.

BNO News recalled that on July 20, 1884, a strong 6.2-magnitude earthquake struck offshore Massawa, Eritrea. Scores of homes in the region were destroyed but there were no confirmed reports of fatalities.

Though the two news outlets that reported so far (here and here) claimed the epicenter of all the earthquakes had been Eritrea. A reading of the USGS preliminary reports suggests at least two of the fourteen earthquakes took place within Ethiopia.

It is expected that the Ethiopian Geological Survey will provide information on the event on Monday Morning, Ethiopian time.

You may read below the 14 Preliminary Earthquake Reports posted by the U.S. Geological Survey, National Earthquake Information Center: so far.

Notice that the reports provide the time both in UTC(GMT) and Ethiopian time(as time as ‘at epicenter’)

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Preliminary Earthquake Reports – by the U.S. Geological Survey

Earthquake Details

· This event has been reviewed by a seismologist.

Magnitude

4.5

Date-Time

· Sunday, June 12, 2011 at 21:37:14 UTC

· Monday, June 13, 2011 at 12:37:14 AM at epicenter

· Time of Earthquake in other Time Zones

Location

13.234°N, 41.806°E

Depth

15 km (9.3 miles)

Region

ERITREA – ETHIOPIA REGION

Distances

103 km (64 miles) WNW of Assab, Eritrea
212 km (131 miles) SW of Al Hudaydah, Yemen
232 km (144 miles) NW of DJIBOUTI, Djibouti
388 km (241 miles) SE of ASMARA, Eritrea

Location Uncertainty

horizontal +/- 31.6 km (19.6 miles); depth +/- 5.2 km (3.2 miles)

Parameters

NST= 26, Nph= 29, Dmin=316.1 km, Rmss=0.8 sec, Gp=198°,
M-type=body wave magnitude (Mb), Version=3

Source

· USGS NEIC (WDCS-D)

Event ID

usc00045y8

Earthquake Details

· This event has been reviewed by a seismologist.

Magnitude

5.7

Date-Time

· Sunday, June 12, 2011 at 21:03:23 UTC

· Monday, June 13, 2011 at 12:03:23 AM at epicenter

· Time of Earthquake in other Time Zones

Location

13.530°N, 41.625°E

Depth

9.9 km (6.2 miles)

Region

ERITREA – ETHIOPIA REGION

Distances

133 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 Uncertainty

horizontal +/- 17.1 km (10.6 miles); depth +/- 2.8 km (1.7 miles)

Parameters

NST=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 ID

usc00045xc

Earthquake Details

· This event has been reviewed by a seismologist.

Magnitude

5.7

Date-Time

· Sunday, June 12, 2011 at 20:32:40 UTC

· Sunday, June 12, 2011 at 11:32:40 PM at epicenter

· Time of Earthquake in other Time Zones

Location

13.460°N, 41.688°E

Depth

10.1 km (6.3 miles)

Region

ERITREA – ETHIOPIA REGION

Distances

123 km (76 miles) WNW of Assab, Eritrea
202 km (125 miles) SW of Al Hudaydah, Yemen
239 km (148 miles) E of Mekele, Ethiopia
364 km (226 miles) SE of ASMARA, Eritrea

Location Uncertainty

horizontal +/- 16.8 km (10.4 miles); depth +/- 2.1 km (1.3 miles)

Parameters

NST=158, Nph=158, Dmin=317.3 km, Rmss=1.04 sec, Gp= 58°,
M-type=teleseismic moment magnitude (Mw), Version=8

Source

· USGS NEIC (WDCS-D)

Event ID

usc00045vg

Earthquake Details

· This event has been reviewed by a seismologist.

Magnitude

4.8

Date-Time

· Sunday, June 12, 2011 at 19:44:16 UTC

· Sunday, June 12, 2011 at 10:44:16 PM at epicenter

· Time of Earthquake in other Time Zones

Location

13.369°N, 41.644°E

Depth

9.9 km (6.2 miles)

Region

ERITREA – ETHIOPIA REGION

Distances

125 km (77 miles) WNW of Assab, Eritrea
212 km (131 miles) SW of Al Hudaydah, Yemen
234 km (145 miles) E of Mekele, Ethiopia
364 km (226 miles) SE of ASMARA, Eritrea

Location Uncertainty

horizontal +/- 19.7 km (12.2 miles); depth +/- 2.9 km (1.8 miles)

Parameters

NST= 48, Nph= 48, Dmin=325.1 km, Rmss=0.82 sec, Gp=198°,
M-type=body wave magnitude (Mb), Version=5

Source

· USGS NEIC (WDCS-D)

Event ID

usc00045rx

Earthquake Details

· This event has been reviewed by a seismologist.

Magnitude

4.7

Date-Time

· Sunday, June 12, 2011 at 19:37:42 UTC

· Sunday, June 12, 2011 at 10:37:42 PM at epicenter

· Time of Earthquake in other Time Zones

Location

13.316°N, 41.611°E

Depth

10.1 km (6.3 miles)

Region

ERITREA – ETHIOPIA REGION

Distances

127 km (78 miles) WNW of Assab, Eritrea
218 km (135 miles) SW of Al Hudaydah, Yemen
232 km (144 miles) E of Mekele, Ethiopia
569 km (353 miles) NNE of ADDIS ABABA, Ethiopia

Location Uncertainty

horizontal +/- 27.2 km (16.9 miles); depth +/- 2.8 km (1.7 miles)

Parameters

NST= 27, Nph= 27, Dmin=>999 km, Rmss=0.64 sec, Gp=194°,
M-type=body wave magnitude (Mb), Version=4

Source

· USGS NEIC (WDCS-D)

Event ID

usc00045r8

Earthquake Details

· This event has been reviewed by a seismologist.

Magnitude

5.0

Date-Time

· Sunday, June 12, 2011 at 19:21:45 UTC

· Sunday, June 12, 2011 at 10:21:45 PM at epicenter

· Time of Earthquake in other Time Zones

Location

12.476°N, 41.748°E

Depth

10 km (6.2 miles)

Region

ETHIOPIA

Distances

122 km (75 miles) WSW of Assab, Eritrea
180 km (111 miles) WNW of DJIBOUTI, Djibouti
271 km (168 miles) ESE of Mekele, Ethiopia
504 km (313 miles) NE of ADDIS ABABA, Ethiopia

Location Uncertainty

horizontal +/- 27.7 km (17.2 miles); depth +/- 2.9 km (1.8 miles)

Parameters

NST= 61, Nph= 62, Dmin=>999 km, Rmss=1.14 sec, Gp=266°,
M-type=body wave magnitude (Mb), Version=7

Source

· USGS NEIC (WDCS-D)

Event ID

usc00045p7

Earthquake Details

· This event has been reviewed by a seismologist.

Magnitude

4.5

Date-Time

· Sunday, June 12, 2011 at 18:01:19 UTC

· Sunday, June 12, 2011 at 09:01:19 PM at epicenter

· Time of Earthquake in other Time Zones

Location

12.817°N, 41.933°E

Depth

10.1 km (6.3 miles)

Region

ETHIOPIA

Distances

90 km (55 miles) WSW of Assab, Eritrea
189 km (117 miles) NW of DJIBOUTI, Djibouti
242 km (150 miles) WSW of Taizz, Yemen
545 km (338 miles) NE of ADDIS ABABA, Ethiopia

Location Uncertainty

horizontal +/- 22.9 km (14.2 miles); depth +/- 2.9 km (1.8 miles)

Parameters

NST= 23, Nph= 23, Dmin=329.5 km, Rmss=1.02 sec, Gp=180°,
M-type=body wave magnitude (Mb), Version=4

Source

· USGS NEIC (WDCS-D)

Event ID

usc00045kq

Earthquake Details

· This event has been reviewed by a seismologist.

Magnitude

4.7

Date-Time

· Sunday, June 12, 2011 at 17:47:20 UTC

· Sunday, June 12, 2011 at 08:47:20 PM at epicenter

· Time of Earthquake in other Time Zones

Location

13.538°N, 41.588°E

Depth

10 km (6.2 miles)

Region

ERITREA – ETHIOPIA REGION

Distances

137 km (85 miles) WNW of Assab, Eritrea
202 km (125 miles) SW of Al Hudaydah, Yemen
229 km (142 miles) E of Mekele, Ethiopia
348 km (216 miles) SE of ASMARA, Eritrea

Location Uncertainty

horizontal +/- 28.3 km (17.6 miles); depth +/- 2.9 km (1.8 miles)

Parameters

NST= 23, Nph= 23, Dmin=323.9 km, Rmss=0.69 sec, Gp=130°,
M-type=body wave magnitude (Mb), Version=2

Source

· USGS NEIC (WDCS-D)

Event ID

usc00045kf

Earthquake Details

· This event has been reviewed by a seismologist.

Magnitude

4.8

Date-Time

· Sunday, June 12, 2011 at 17:18:09 UTC

· Sunday, June 12, 2011 at 08:18:09 PM at epicenter

· Time of Earthquake in other Time Zones

Location

13.381°N, 41.764°E

Depth

9.9 km (6.2 miles)

Region

ERITREA – ETHIOPIA REGION

Distances

113 km (70 miles) WNW of Assab, Eritrea
202 km (125 miles) SW of Al Hudaydah, Yemen
246 km (152 miles) W of Taizz, Yemen
374 km (232 miles) SE of ASMARA, Eritrea

Location Uncertainty

horizontal +/- 17.8 km (11.1 miles); depth +/- 2.7 km (1.7 miles)

Parameters

NST= 64, Nph= 64, Dmin=312.8 km, Rmss=0.73 sec, Gp=101°,
M-type=body wave magnitude (Mb), Version=5

Source

· USGS NEIC (WDCS-D)

Event ID

usc00045iy

Earthquake Details

· This event has been reviewed by a seismologist.

Magnitude

4.3

Date-Time

· Sunday, June 12, 2011 at 16:33:11 UTC

· Sunday, June 12, 2011 at 07:33:11 PM at epicenter

· Time of Earthquake in other Time Zones

Location

13.507°N, 41.722°E

Depth

10 km (6.2 miles) set by location program

Region

ERITREA – ETHIOPIA REGION

Distances

123 km (76 miles) WNW of Assab, Eritrea
194 km (120 miles) SW of Al Hudaydah, Yemen
243 km (150 miles) E of Mekele, Ethiopia
362 km (224 miles) ESE of ASMARA, Eritrea

Location Uncertainty

horizontal +/- 29.3 km (18.2 miles); depth fixed by location program

Parameters

NST= 12, Nph= 12, Dmin=311.6 km, Rmss=0.37 sec, Gp=205°,
M-type=body wave magnitude (Mb), Version=4

Source

· USGS NEIC (WDCS-D)

Event ID

us2011mbbx

Earthquake Details

· This event has been reviewed by a seismologist.

Magnitude

4.8

Date-Time

· Sunday, June 12, 2011 at 16:24:44 UTC

· Sunday, June 12, 2011 at 07:24:44 PM at epicenter

· Time of Earthquake in other Time Zones

Location

13.436°N, 41.682°E

Depth

10 km (6.2 miles) set by location program

Region

ERITREA – ETHIOPIA REGION

Distances

124 km (77 miles) WNW of Assab, Eritrea
203 km (126 miles) SW of Al Hudaydah, Yemen
238 km (147 miles) E of Mekele, Ethiopia
363 km (225 miles) SE of ASMARA, Eritrea

Location Uncertainty

horizontal +/- 8.9 km (5.5 miles); depth fixed by location program

Parameters

NST= 51, Nph= 51, Dmin=318.6 km, Rmss=0.81 sec, Gp=119°,
M-type=body wave magnitude (Mb), Version=5

Source

· USGS NEIC (WDCS-D)

Event ID

us2011mbbv

Earthquake Details

· This event has been reviewed by a seismologist.

Magnitude

4.7

Date-Time

· Sunday, June 12, 2011 at 16:12:02 UTC

· Sunday, June 12, 2011 at 07:12:02 PM at epicenter

· Time of Earthquake in other Time Zones

Location

13.397°N, 41.734°E

Depth

10 km (6.2 miles) set by location program

Region

ERITREA – ETHIOPIA REGION

Distances

117 km (72 miles) WNW of Assab, Eritrea
203 km (126 miles) SW of Al Hudaydah, Yemen
244 km (151 miles) E of Mekele, Ethiopia
370 km (229 miles) SE of ASMARA, Eritrea

Location Uncertainty

horizontal +/- 9.4 km (5.8 miles); depth fixed by location program

Parameters

NST= 43, Nph= 43, Dmin=315.3 km, Rmss=0.82 sec, Gp=119°,
M-type=body wave magnitude (Mb), Version=5

Source

· USGS NEIC (WDCS-D)

Event ID

us2011mbbp

Earthquake Details

· This event has been reviewed by a seismologist.

Magnitude

4.5

Date-Time

· Sunday, June 12, 2011 at 16:09:30 UTC

· Sunday, June 12, 2011 at 07:09:30 PM at epicenter

· Time of Earthquake in other Time Zones

Location

13.443°N, 41.696°E

Depth

2.9 km (1.8 miles) (poorly constrained)

Region

ERITREA – ETHIOPIA REGION

Distances

122 km (75 miles) WNW of Assab, Eritrea
202 km (125 miles) SW of Al Hudaydah, Yemen
240 km (149 miles) E of Mekele, Ethiopia
365 km (226 miles) SE of ASMARA, Eritrea

Location Uncertainty

horizontal +/- 12.1 km (7.5 miles); depth +/- 51.6 km (32.1 miles)

Parameters

NST= 26, Nph= 26, Dmin=317 km, Rmss=0.8 sec, Gp=119°,
M-type=body wave magnitude (Mb), Version=4

Source

· USGS NEIC (WDCS-D)

Event ID

us2011mbbm

Earthquake Details

· This event has been reviewed by a seismologist.

Magnitude

5.1

Date-Time

· Sunday, June 12, 2011 at 15:37:05 UTC

· Sunday, June 12, 2011 at 06:37:05 PM at epicenter

· Time of Earthquake in other Time Zones

Location

13.458°N, 41.684°E

Depth

10 km (6.2 miles) set by location program

Region

ERITREA – ETHIOPIA REGION

Distances

128 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 Uncertainty

horizontal +/- 5.7 km (3.5 miles); depth fixed by location program

Parameters

NST= 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 ID

usc00045f9

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