Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Mwp 5.6 on date 09-10-2022 and time 16:38:13 (UTC) in region Central Mid Atlantic Ridge [Sea]

A magnitude Mwp 5.6 earthquake occured in region: Central Mid Atlantic Ridge [Sea], on

  • 09-10-2022 16:38:13 (UTC)
  • 09-10-2022 18:38:13 (UTC +02:00) Italian time
  • 09-10-2022 14:38:13 (UTC -02:00) local time in the region of the earthquake (America/Noronha)

and geographic coordinates (lat, lon) -0.6960, -23.4630 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.

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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
Reviewed
Rev100 		mb 5.3
Mwp 5.6
Mwpd 6.3 		2022-10-09
16:38:13		 -0.6961 -23.4633 1 2022-10-09
17:00:30		 Sala Sismica INGV-Roma 110661521
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-10-09 16:38:13
Latitude -0.6961
Longitude -23.4633
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 110661521

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 16091
Semi-minor axis of confidence ellipse (meter) 15617
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 351
Circular confidence region, given by single value of horizontal uncertainty (meter) 12996.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 97.1254
Number of associated phases, regardless of their use for origin computation 89
Number of defining phases 89
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 3.26452
Epicentral distance of station closest to the epicenter (degree) 15.66631
Epicentral distance of station farthest from the epicenter (degree) 101.25554
Number of stations at which the event was observed 89
Number of stations from which data was used for origin computation 89
Magnitudes information

Mwp:5.6

Field Value
Value 5.6
Uncertainty 0.2
Num. used stations 21
Type of magnitude Mwp
Reference to an origin 110661521
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2022-10-09 17:00:30

Mwpd:6.3

Field Value
Value 6.3
Uncertainty 0.2
Num. used stations 21
Type of magnitude Mwpd
Reference to an origin 110661521
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2022-10-09 17:00:30

mb:5.3

Field Value
Value 5.3
Uncertainty 0.1
Num. used stations 78
Type of magnitude mb
Reference to an origin 110661521
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2022-10-09 17:00:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
PL.KSP.BHZ. 2022-10-09T16:57:04.71 10.0 negative automatic S 27 6834.7029 12.4087 0
IU.SBA.BHZ.00 2022-10-09T16:52:11.22 10.0 negative automatic Pdiff 182 11239.3605 7.09294 0
II.SIMI.BHZ.00 2022-10-09T16:51:26.20 10.0 negative automatic P 51 10252.0377 2.10451 0.0759388
US.BMO.BHZ.00 2022-10-09T16:51:26.10 10.0 positive automatic P 315 10346.3655 -1.87603 0.0734246
US.ELK.BHZ.00 2022-10-09T16:51:24.83 10.0 positive automatic P 311 10189.3005 3.2058 0.0750768
IU.TUC.BHZ.00 2022-10-09T16:51:08.95 10.0 negative automatic P 302 9779.6439 4.80405 0.106263
US.WUAZ.BHZ.00 2022-10-09T16:51:08.68 10.0 positive automatic P 306 9845.7222 1.60023 0.0942424
US.BW06.BHZ.00 2022-10-09T16:50:59.55 10.0 positive automatic P 313 9724.0107 -2.43122 0.101554
US.RLMT.BHZ.00 2022-10-09T16:50:59.95 10.0 positive automatic P 315 9715.9188 -1.6572 0.106688
US.MVCO.BHZ.00 2022-10-09T16:50:57.90 10.0 positive automatic P 307 9597.1377 1.49168 0.118482
II.ARTI.BHZ.00 2022-10-09T16:50:56.17 10.0 positive automatic P 33 9554.4138 1.98251 0.112198
US.LAO.BHZ.00 2022-10-09T16:50:54.68 10.0 negative automatic P 317 9495.5283 3.01247 0.122685
US.ISCO.BHZ.00 2022-10-09T16:50:52.60 10.0 positive automatic PcP 310 9370.7754 6.26669 0.125687
US.SDCO.BHZ.00 2022-10-09T16:50:50.18 10.0 negative automatic P 308 9339.207 5.32206 0.126467
IU.RSSD.BHZ.00 2022-10-09T16:50:47.00 10.0 negative automatic P 315 9294.2298 5.29075 0.138596
IU.ANMO.BHZ.00 2022-10-09T16:50:46.52 10.0 negative automatic P 305 9397.1712 -0.857106 0.125263
DK.NOR.BHZ. 2022-10-09T16:50:36.65 10.0 positive automatic P 1 9141.5826 1.42146 0.146702
US.OGNE.BHZ.00 2022-10-09T16:50:34.35 10.0 positive automatic P 312 9085.2612 1.61078 0.162014
US.WMOK.BHZ.00 2022-10-09T16:50:15.20 10.0 positive automatic P 306 8700.2466 1.2898 0.177729
US.ECSD.BHZ.00 2022-10-09T16:50:15.88 10.0 negative automatic P 315 8702.3667 1.86078 0.185814
US.AGMN.BHZ.00 2022-10-09T16:50:14.40 10.0 positive automatic P 320 8760.342 -2.47166 0.18519
GE.DAG.BHZ. 2022-10-09T16:50:11.81 10.0 negative automatic P 1 8603.7543 2.81413 0.189937
US.JCT.BHZ.00 2022-10-09T16:50:11.30 10.0 positive automatic P 301 8726.1207 -3.9122 0.183786
US.MIAR.BHZ.00 2022-10-09T16:49:55.68 10.0 negative automatic P 306 8229.2625 5.93301 0.228527
IU.GNI.BHZ.00 2022-10-09T16:49:52.97 10.0 negative automatic P 48 8211.5025 3.91985 0
IU.CCM.BHZ.00 2022-10-09T16:49:44.55 10.0 negative automatic PcP 310 8116.7973 0.758495 0.231263
II.RAYN.BHZ.00 2022-10-09T16:49:32.70 10.0 negative automatic P 65 7889.7468 1.09 0.25889
IU.WVT.BHZ.00 2022-10-09T16:49:25.72 10.0 negative automatic P 309 7768.2795 0.879001 0.274391
PL.KWP.BHZ. 2022-10-09T16:49:23.51 10.0 positive automatic PcP 31 7097.451 1.51724 0
US.LRAL.BHZ.00 2022-10-09T16:49:16.95 10.0 positive automatic P 306 7600.17 1.50827 0.288803
US.TZTN.BHZ.00 2022-10-09T16:49:10.38 10.0 negative automatic P 311 7418.2521 5.23172 0.308431
IM.TKL.BHZ. 2022-10-09T16:49:10.67 10.0 positive automatic P 310 7404.9321 6.30174 0.306373
KO.BNN.BHZ. 2022-10-09T16:49:06.36 10.0 negative automatic P 47 7442.9496 -0.3682 0.296855
IU.ANTO.BHZ.00 2022-10-09T16:48:55.25 10.0 negative automatic P 45 7243.4049 0.115853 0.310082
KO.MDUB.BHZ. 2022-10-09T16:48:51.60 10.0 positive automatic P 43 7147.9893 2.06674 0.350882
GE.SALP.BHZ. 2022-10-09T16:48:51.35 10.0 positive automatic P 53 7132.2051 2.85871 0.332945
GE.MSBI.BHZ. 2022-10-09T16:48:50.25 10.0 positive automatic P 54 7120.7721 2.55943 0
GE.CSS.BHZ. 2022-10-09T16:48:46.20 10.0 positive automatic P 50 7079.2359 0.867489 0.359115
PL.OJC.BHZ. 2022-10-09T16:48:44.03 10.0 positive automatic P 30 6974.1411 4.97673 0.339544
GE.EIL.BHZ. 2022-10-09T16:48:42.95 10.0 positive automatic P 56 7027.8873 0.702548 0.348719
HT.ALN.HHZ. 2022-10-09T16:48:30.05 10.0 positive automatic P 41 6784.4532 2.5291 0
MN.BZS.BHZ. 2022-10-09T16:48:28.27 10.0 negative automatic P 35 6769.6125 1.63143 0.397369
HL.RDO.HHZ. 2022-10-09T16:48:28.17 10.0 positive automatic P 41 6761.8647 2.03191 0.400258
GE.PSZ.BHZ. 2022-10-09T16:48:27.70 10.0 negative automatic P 32 6818.3748 -2.03706 0.382118
GE.MORC.BHZ. 2022-10-09T16:48:26.80 10.0 positive automatic P 29 6820.0287 -2.99903 0.357008
GE.KMBO.BHZ.00 2022-10-09T16:48:26.32 10.0 negative automatic P 91 6738.3438 1.30785 0.374585
GE.FLT1.BHZ. 2022-10-09T16:48:25.85 10.0 negative automatic P 24 6712.7472 2.73352 0.395197
HU.KOVH.BHZ. 2022-10-09T16:48:17.75 10.0 positive automatic P 32 6584.9862 2.51325 0.41131
GE.IBBN.BHZ. 2022-10-09T16:48:16.55 10.0 negative automatic P 22 6562.1313 2.75661 0.387212
AF.POGA.BHZ. 2022-10-09T16:48:14.28 10.0 positive automatic P 122 6564.8841 0.29003 0.386884
MN.DIVS.BHZ. 2022-10-09T16:48:11.87 10.0 positive automatic P 35 6565.1394 -2.25371 0.418712
IU.GRFO.BHZ.00 2022-10-09T16:48:10.45 10.0 positive automatic P 26 6492.0348 1.01167 0
CZ.KHC.BHZ. 2022-10-09T16:48:09.45 10.0 positive automatic P 27 6563.3523 -4.51092 0.41407
OE.ARSA.BHZ. 2022-10-09T16:48:08.27 10.0 positive automatic P 30 6521.7828 -3.06615 0.409869
HT.LIT.HHZ. 2022-10-09T16:48:07.66 10.0 positive automatic P 40 6482.5665 -1.20583 0.438744
MN.BLY.BHZ. 2022-10-09T16:48:07.97 10.0 positive automatic P 33 6435.1473 2.14648 0.402534
OE.KBA.BHZ. 2022-10-09T16:48:05.47 10.0 negative automatic P 29 6389.7372 2.26819 0.408086
HT.AGG.HHZ. 2022-10-09T16:48:05.71 10.0 negative automatic P 41 6407.4084 1.57427 0.428266
MN.PDG.BHZ. 2022-10-09T16:48:04.57 10.0 positive automatic P 36 6407.0865 0.554149 0.424413
HL.KEK.HHZ. 2022-10-09T16:47:57.91 10.0 positive automatic P 39 6267.5817 2.76266 0.440443
IV.PTCC.BHZ. 2022-10-09T16:47:57.50 10.0 negative automatic P 29 6337.9335 -2.23371 0.443382
II.BFO.BHZ.00 2022-10-09T16:47:50.37 10.0 positive automatic P 25 6240.4311 -3.09354 0.45637
OE.DAVA.BHZ. 2022-10-09T16:47:47.57 10.0 positive automatic P 27 6227.1555 -5.20971 0.469061
G.ECH.BHZ.00 2022-10-09T16:47:45.85 10.0 negative automatic P 24 6176.484 -3.48617 0.46499
MN.CUC.BHZ. 2022-10-09T16:47:41.12 10.0 positive automatic P 37 6014.2131 2.36156 0.487228
MN.AQU.BHZ. 2022-10-09T16:47:41.02 10.0 positive automatic P 33 6031.4181 1.11737 0.473826
IV.MGAB.BHZ. 2022-10-09T16:47:40.30 10.0 positive automatic P 32 5996.9526 2.68719 0.489624
II.MBAR.BHZ.00 2022-10-09T16:47:39.77 10.0 negative automatic P 90 6015.6894 0.784517 0.487023
IV.MONC.BHZ. 2022-10-09T16:47:37.18 10.0 positive automatic P 27 5943.2508 3.12056 0.485817
MN.TIP.BHZ. 2022-10-09T16:47:36.87 10.0 negative automatic P 38 6022.1385 -2.43613 0.486129
MN.VLC.BHZ. 2022-10-09T16:47:34.77 10.0 positive automatic P 30 5997.5631 -2.87995 0.478413
IV.BOB.BHZ. 2022-10-09T16:47:34.30 10.0 negative automatic P 28 5996.553 -3.34937 0.489679
RD.LOR.BHZ. 2022-10-09T16:47:32.32 10.0 negative automatic P 23 5945.5596 -1.89302 0.499113
MN.CEL.BHZ. 2022-10-09T16:47:31.47 10.0 positive automatic P 38 5900.6934 0.199944 0.515073
MN.BNI.BHZ. 2022-10-09T16:47:27.60 10.0 positive automatic P 26 5878.8819 -2.34361 0.47316
GT.LBTB.BHZ.00 2022-10-09T16:47:25.15 10.0 positive automatic P 121 5905.9548 -6.54753 0.514314
RD.PGF.BHZ. 2022-10-09T16:47:24.88 10.0 positive automatic P 30 5790.5481 0.882447 0.516329
G.SSB.BHZ.00 2022-10-09T16:47:22.40 10.0 positive automatic P 25 5796.5643 -1.92729 0.5061
II.SUR.BHZ.00 2022-10-09T16:47:21.97 10.0 negative automatic P 132 5808.1971 -3.31835 0.528498
RD.MFF.BHZ. 2022-10-09T16:47:17.34 10.0 positive automatic P 20 5719.8522 -1.7533 0.526443
MN.VSL.BHZ. 2022-10-09T16:47:10.02 10.0 negative automatic P 33 5568.204 1.19999 0.5385
RD.MTLF.BHZ. 2022-10-09T16:47:01.56 10.0 negative automatic P 24 5514.2469 -3.56267 0.58343
IU.TSUM.BHZ.00 2022-10-09T16:46:24.02 10.0 negative automatic P 117 4912.8711 1.10005 0.651876
GE.MTE.BHZ. 2022-10-09T16:46:19.45 10.0 positive automatic P 18 4837.2024 2.07855 0.664068
PM.PVAQ.BHZ. 2022-10-09T16:45:57.98 10.0 negative automatic P 19 4527.2904 3.49243 0.698922
GT.CPUP.BHZ.00 2022-10-09T16:45:53.95 10.0 negative automatic P 229 4600.9389 -5.98313 0.702858
G.TAM.BHZ.00 2022-10-09T16:45:18.10 10.0 positive automatic P 48 4075.0764 -2.39967 0.793148
GT.DBIC.BHZ.00 2022-10-09T16:42:50.95 10.0 negative automatic P 68 2217.2472 5.5785 0.869565
II.SACV.BHZ.00 2022-10-09T16:41:49.62 10.0 negative automatic P 359 1738.9593 -4.0132 0.97561
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download