Earthquake with magnitude of Mwp 6.4 on date 17-06-2015 and time 12:51:38 (UTC) in region Southern Mid Atlantic Ridge [Sea]

A magnitude Mwp 6.4 earthquake occured in region: Southern Mid Atlantic Ridge [Sea], on

  • 17-06-2015 12:51:38 (UTC)
  • 17-06-2015 14:51:38 (UTC +02:00) Italian time
  • 17-06-2015 12:51:38 (UTC +00:00) local time in the region of the earthquake (Atlantic/St_Helena)

and geographic coordinates (lat, lon) -35.66, -16.64 at 1 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

Municipalities within 20 km from the epicenter

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

No Italian municipalities within 100 km from the epicenter with at least 50000 inhabitants.

Recent and historical Seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Rev 100 mb 6.0
Mwp 6.4

Mwpd 6.7
2015-06-17
12:51:38
-35.66 -16.64 1 2015-06-17
13:25:29
Sala Sismica INGV-Roma 19722441
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2015-06-17 12:51:38
Latitude -35.66
Longitude -16.64
Depth (km) 1 (from location)
Evaluation mode of Origin automatic
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV-A
Event type earthquake
Origin ID 19722441

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 65525
Semi-minor axis of confidence ellipse (meter) 15290
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 295
Circular confidence region, given by single value of horizontal uncertainty (meter) 52888.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 65.425
Number of associated phases, regardless of their use for origin computation 58
Number of defining phases 58
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 6.04629
Epicentral distance of station closest to the epicenter (degree) 21.96343
Epicentral distance of station farthest from the epicenter (degree) 110.84112
Number of stations at which the event was observed 57
Number of stations from which data was used for origin computation 57
Magnitudes information

Mwpd:6.7

Field Value
Value 6.7
Uncertainty 0.1
Num. used stations 31
Type of magnitude Mwpd
Reference to an origin 19722441
Agency INGV
Autore Auto added
Time of creation (UTC) 2015-06-17 13:25:30

Mwp:6.4

Field Value
Value 6.4
Uncertainty 0.2
Num. used stations 31
Type of magnitude Mwp
Reference to an origin 19722441
Agency INGV
Autore Auto added
Time of creation (UTC) 2015-06-17 13:25:30

mb:6

Field Value
Value 6
Uncertainty 0.2
Num. used stations 43
Type of magnitude mb
Reference to an origin 19722441
Agency INGV
Autore Auto added
Time of creation (UTC) 2015-06-17 13:25:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
G.MPG.BHZ.00 2015-06-17T13:08:35.95 10.0 negative automatic PKiKP 313 52.9294 -5.30175 0
CZ.KHC.BHZ. 2015-06-17T13:04:35.17 10.0 positive automatic P 19 88.9285 2.60311 0.0992273
AU.WRKA.BHZ. 2015-06-17T13:06:21.15 10.0 positive automatic Pdiff 146 110.8411 9.726 0
PL.SUW.BHZ. 2015-06-17T13:05:13.61 10.0 negative automatic PcP 22 96.0194 8.17075 0
IU.SSPA.BHZ.00 2015-06-17T13:05:09.77 10.0 negative automatic PcP 318 94.759 9.90574 0
II.ESK.BHZ.00 2015-06-17T13:04:53.62 10.0 negative automatic P 8 91.6931 8.23886 0.0382543
GE.RUE.BHZ. 2015-06-17T13:04:53.40 10.0 positive automatic P 18 92.0311 6.48933 0.0788499
II.UOSS.BHZ.00 2015-06-17T13:04:52.77 10.0 negative automatic P 60 91.6291 7.68128 0.0507016
GE.FLT1.BHZ. 2015-06-17T13:04:50.55 10.0 positive automatic P 17 91.2836 7.1136 0.0816467
PL.OJC.BHZ. 2015-06-17T13:04:47.69 10.0 positive automatic P 22 91.6978 2.26297 0.0756495
GE.TIRR.BHZ. 2015-06-17T13:04:44.91 10.0 negative automatic PcP 30 89.9119 6.57463 0
GE.PSZ.BHZ. 2015-06-17T13:04:38.40 10.0 negative automatic P 24 89.7135 2.10704 0.0896787
GB.MCH1.BHZ. 2015-06-17T13:04:36.78 10.0 positive automatic P 8 88.4577 6.51407 0.103002
GE.MORC.BHZ. 2015-06-17T13:04:34.60 10.0 positive automatic P 21 90.6258 -5.91102 0.0898801
II.BFO.BHZ.00 2015-06-17T13:04:16.97 10.0 positive automatic P 16 86.8837 -5.80646 0.111346
GE.CSS.BHZ. 2015-06-17T13:04:13.10 10.0 positive automatic P 39 84.5855 1.77108 0.0602366
IV.MONC.BHZ. 2015-06-17T13:04:13.60 10.0 positive automatic P 17 83.7292 6.60924 0.132458
MN.DIVS.BHZ. 2015-06-17T13:04:13.90 10.0 negative automatic P 25 86.4047 -6.60156 0.107526
MN.VTS.BHZ. 2015-06-17T13:04:13.24 10.0 negative automatic P 28 86.3151 -6.9009 0.108146
MN.BNI.BHZ. 2015-06-17T13:04:12.07 10.0 positive automatic P 16 83.4158 6.53268 0.137994
HL.RDO.HHZ. 2015-06-17T13:04:11.67 10.0 negative automatic P 30 85.9857 -6.61289 0.103402
HT.ALN.HHZ. 2015-06-17T13:04:11.36 10.0 negative automatic P 31 85.9906 -6.94579 0.120119
MN.AQU.BHZ. 2015-06-17T13:04:07.87 10.0 positive automatic P 22 82.6955 1.23472 0
MN.PDG.BHZ. 2015-06-17T13:04:05.24 10.0 negative automatic P 26 84.6865 -6.53787 0.119735
GE.SANT.BHZ. 2015-06-17T13:04:00.09 10.0 negative automatic P 33 81.9607 2.27532 0.137524
HL.ARG.HHZ. 2015-06-17T13:03:58.35 10.0 positive automatic P 35 83.0393 -5.02463 0.046596
GE.APE.BHZ. 2015-06-17T13:03:54.50 10.0 negative automatic P 33 82.5751 -6.54638 0.141666
GE.EIL.BHZ. 2015-06-17T13:03:50.15 10.0 negative automatic P 44 81.3637 -4.44886 0.155108
II.JTS.BHZ.00 2015-06-17T13:03:49.67 10.0 positive automatic PcP 291 78.9693 -0.62198 0
MN.CEL.BHZ. 2015-06-17T13:03:48.45 10.0 negative automatic P 25 79.8047 2.12991 0.142813
MN.VSL.BHZ. 2015-06-17T13:03:47.38 10.0 positive automatic PcP 20 78.8842 6.13911 0.165815
MN.IDI.BHZ. 2015-06-17T13:03:46.11 10.0 positive automatic P 33 80.8019 -5.59338 0.163687
IU.PAB.BHZ.00 2015-06-17T13:03:31.17 10.0 positive automatic P 10 76.0457 5.71804 0.191085
PM.ROSA.BHZ. 2015-06-17T13:03:28.98 10.0 negative automatic P 351 75.1431 -4.75015 0
GE.MTE.BHZ. 2015-06-17T13:03:27.35 10.0 negative automatic P 7 76.5104 -0.722251 0.175615
CU.BCIP.BHZ.00 2015-06-17T13:03:23.53 10.0 negative automatic PcP 294 74.4026 -6.97275 0
PM.PESTR.BHZ. 2015-06-17T13:03:19.25 10.0 negative automatic P 7 74.9868 -0.0363935 0.192768
G.ATD.BHZ.00 2015-06-17T13:03:19.45 10.0 negative automatic PcP 62 73.2742 -6.31 0
WM.CART.BHZ. 2015-06-17T13:03:18.57 10.0 negative automatic P 13 74.6597 1.2355 0.208511
GT.VNDA.BHZ.00 2015-06-17T13:02:23.53 10.0 positive automatic P 180 66.8206 -6.08162 0.291791
IU.SBA.BHZ.00 2015-06-17T13:02:20.00 10.0 negative automatic P 181 66.4737 -6.375 0.312799
GE.SBV.BHZ. 2015-06-17T13:02:13.50 10.0 positive automatic sP 88 63.2521 7.11903 0.168999
II.ABPO.BHZ.00 2015-06-17T13:01:38.92 10.0 positive automatic P 91 58.1063 7.37881 0.0372416
GE.VOI.BHZ. 2015-06-17T13:01:25.50 10.0 positive automatic sP 94 56.1809 7.67453 0.456957
II.MBAR.BHZ.00 2015-06-17T13:01:16.12 10.0 negative automatic P 62 56.195 -1.87594 0.456746
AU.MAW.BHZ. 2015-06-17T13:00:52.44 10.0 negative automatic P 152 53.4627 -5.52052 0.166121
II.SACV.BHZ.00 2015-06-17T13:00:46.67 10.0 positive automatic P 351 51.0522 6.56903 0.536586
IU.LCO.BHZ.00 2015-06-17T12:59:59.72 10.0 negative automatic sP 262 45.5919 1.44775 0.587407
GT.PLCA.BHZ.00 2015-06-17T12:59:31.73 10.0 negative automatic sP 246 42.0082 2.49214 0.709069
IU.PMSA.BHZ.00 2015-06-17T12:59:17.37 10.0 positive automatic sP 209 40.3868 1.64787 0
GE.SNAA.BHZ. 2015-06-17T12:58:42.81 10.0 negative automatic P 173 36.7263 -2.28165 0.79288
GT.BOSA.BHZ.00 2015-06-17T12:58:33.05 10.0 negative automatic P 91 35.8895 -4.96563 0.838644
IU.RCBR.BHZ.00 2015-06-17T12:58:30.97 10.0 positive automatic P 325 34.6865 3.46357 0.731375
IU.TSUM.BHZ.00 2015-06-17T12:58:21.42 10.0 positive automatic P 71 34.2879 -2.77776 0.84147
II.SUR.BHZ.00 2015-06-17T12:58:02.47 10.0 positive automatic sP 95 31.0246 6.75343 0.868368
II.ASCN.BHZ.00 2015-06-17T12:57:33.67 10.0 positive automatic sP 5 27.7998 6.83896 0.13289
II.SHEL.BHZ.00 2015-06-17T12:56:24.47 10.0 negative automatic P 29 21.9634 -7.03477 0.952381
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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