Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Mwp 5.7 on date 03-01-2023 and time 18:19:26 (UTC) in region Brazil [Sea]

A magnitude Mwp 5.7 earthquake occured in region: Brazil [Sea], on

  • 03-01-2023 18:19:26 (UTC)
  • 03-01-2023 19:19:26 (UTC +01:00) Italian time
  • 03-01-2023 16:19:26 (UTC -02:00) local time in the region of the earthquake (America/Noronha)

and geographic coordinates (lat, lon) 0.8930, -29.1870 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 5.2
Mwp 5.7
Mwpd 5.8 		2023-01-03
18:19:26		 0.893 -29.1867 1 2023-01-03
18:37:55		 Sala Sismica INGV-Roma 113287161
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-01-03 18:19:26
Latitude 0.8930
Longitude -29.1867
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 113287161

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 20730
Semi-minor axis of confidence ellipse (meter) 11583
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 137
Circular confidence region, given by single value of horizontal uncertainty (meter) 16737.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 47.3925
Number of associated phases, regardless of their use for origin computation 73
Number of defining phases 73
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 1.23266
Epicentral distance of station closest to the epicenter (degree) 9.49246
Epicentral distance of station farthest from the epicenter (degree) 88.03312
Number of stations at which the event was observed 73
Number of stations from which data was used for origin computation 73
Magnitudes information

Mwp:5.7

Field Value
Value 5.7
Uncertainty 0.1
Num. used stations 8
Type of magnitude Mwp
Reference to an origin 113287161
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2023-01-03 18:37:55

Mwpd:5.8

Field Value
Value 5.8
Uncertainty 0.1
Num. used stations 8
Type of magnitude Mwpd
Reference to an origin 113287161
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2023-01-03 18:37:55

mb:5.2

Field Value
Value 5.2
Uncertainty 0.2
Num. used stations 69
Type of magnitude mb
Reference to an origin 113287161
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2023-01-03 18:37:55
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
US.BMO.BHZ.00 2023-01-03T18:32:17.25 10.0 positive automatic P 315 9771.6741 0.492054 0.103143
II.ARTI.BHZ.00 2023-01-03T18:32:17.72 10.0 negative automatic P 34 9757.8213 1.7004 0
US.HLID.BHZ.00 2023-01-03T18:32:09.45 10.0 positive automatic P 314 9537.4863 2.84611 0.124079
US.WUAZ.BHZ.00 2023-01-03T18:31:57.45 10.0 negative automatic P 306 9226.5753 5.05586 0.143643
US.HWUT.BHZ.00 2023-01-03T18:31:55.65 10.0 positive automatic P 312 9291.7545 0.190283 0.142084
US.BW06.BHZ.00 2023-01-03T18:31:48.00 10.0 positive automatic P 313 9138.9519 -0.394539 0.140513
US.RLMT.BHZ.00 2023-01-03T18:31:48.88 10.0 positive automatic P 315 9143.9469 0.26609 0.155351
US.LAO.BHZ.00 2023-01-03T18:31:41.93 10.0 negative automatic P 317 8934.0903 3.54121 0.166505
DK.NOR.BHZ. 2023-01-03T18:31:40.35 10.0 negative automatic P 2 8980.9878 -0.146745 0.159027
US.SDCO.BHZ.00 2023-01-03T18:31:35.43 10.0 positive automatic P 308 8731.0713 6.70761 0.183365
US.DGMT.BHZ.00 2023-01-03T18:31:33.33 10.0 positive automatic P 319 8818.2396 0.635999 0.182389
IU.RSSD.BHZ.00 2023-01-03T18:31:30.57 10.0 positive automatic P 315 8719.0722 2.53546 0.188777
US.MNTX.BHZ.00 2023-01-03T18:31:23.70 10.0 positive automatic P 302 8636.355 0.0843422 0.198431
II.RAYN.BHZ.00 2023-01-03T18:31:12.97 10.0 positive automatic P 66 8393.8422 1.65782 0.208323
GE.SNAA.BHZ. 2023-01-03T18:31:05.11 10.0 positive automatic P 172 8270.8542 0.156547 0.229943
US.AGMN.BHZ.00 2023-01-03T18:31:00.85 10.0 positive automatic P 321 8217.7851 -1.22748 0.229617
US.ECSD.BHZ.00 2023-01-03T18:30:56.38 10.0 positive automatic P 316 8131.0497 -1.12714 0.240747
US.WMOK.BHZ.00 2023-01-03T18:30:54.05 10.0 positive automatic P 306 8082.687 -0.875096 0.251427
US.SCIA.BHZ.00 2023-01-03T18:30:44.28 10.0 positive automatic P 315 7808.4282 4.27467 0.279998
IU.KIEV.BHZ.00 2023-01-03T18:30:36.57 10.0 positive automatic P 35 7757.6679 -0.602949 0.2468
US.JFWS.BHZ.00 2023-01-03T18:30:28.28 10.0 positive automatic P 316 7613.8119 -0.887865 0.294119
IU.CCM.BHZ.00 2023-01-03T18:30:22.80 10.0 negative automatic P 311 7520.7495 -1.0878 0.304287
IU.WVT.BHZ.00 2023-01-03T18:30:02.95 10.0 positive automatic P 310 7166.8149 -0.444099 0.344543
PL.OJC.BHZ. 2023-01-03T18:30:02.60 10.0 positive automatic P 32 7149.8985 0.163038 0.175327
HL.RDO.HHZ. 2023-01-03T18:29:56.60 10.0 positive automatic P 43 7055.8704 -0.20977 0.376267
GE.PSZ.BHZ. 2023-01-03T18:29:54.00 10.0 positive automatic P 35 7017.642 0.323326 0.366569
GE.MORC.BHZ. 2023-01-03T18:29:53.25 10.0 negative automatic P 32 6989.1705 0.31863 0.353222
MN.BZS.BHZ. 2023-01-03T18:29:53.67 10.0 positive automatic P 37 7000.5369 0.137522 0.368654
MN.DIVS.BHZ. 2023-01-03T18:29:42.17 10.0 positive automatic P 38 6803.8338 0.394363 0.375181
HU.KOVH.BHZ. 2023-01-03T18:29:41.15 10.0 positive automatic P 36 6793.8216 0.107728 0.385139
HT.LIT.HHZ. 2023-01-03T18:29:39.58 10.0 positive automatic P 43 6774.4521 -0.320222 0.383958
HT.AGG.HHZ. 2023-01-03T18:29:36.47 10.0 positive automatic P 44 6709.8723 0.525252 0.410843
CZ.KHC.BHZ. 2023-01-03T18:29:35.90 10.0 positive automatic P 31 6717.5424 -0.530685 0.394598
CN.GAC.BHZ. 2023-01-03T18:29:35.65 10.0 positive automatic P 325 6706.1316 0.030959 0.405452
OE.ARSA.BHZ. 2023-01-03T18:29:35.02 10.0 positive automatic P 33 6705.2103 -0.632206 0.396138
MN.PDG.BHZ. 2023-01-03T18:29:33.47 10.0 positive automatic P 40 6659.3784 0.739376 0.401889
GT.BOSA.BHZ.00 2023-01-03T18:29:31.40 10.0 positive automatic P 124 6637.8555 -0.206283 0.414238
IU.GRFO.BHZ.00 2023-01-03T18:29:30.50 10.0 positive automatic P 29 6627.1995 -0.295551 0
HL.ITM.HHZ. 2023-01-03T18:29:28.85 10.0 positive automatic P 46 6589.2819 0.410808 0.371068
IU.LSZ.BHZ.00 2023-01-03T18:29:26.17 10.0 positive automatic P 108 6542.1957 0.533297 0.407307
OE.KBA.BHZ. 2023-01-03T18:29:26.37 10.0 positive automatic P 32 6562.4643 -0.626648 0.434388
IV.PTCC.BHZ. 2023-01-03T18:29:23.80 10.0 positive automatic P 33 6517.2984 -0.197357 0.429977
C1.LL02.BHZ. 2023-01-03T18:29:21.33 10.0 negative automatic P 215 6471.4554 0.278025 0.416218
US.LBNH.BHZ.00 2023-01-03T18:29:15.65 10.0 positive automatic P 325 6384.5868 0.0929905 0.437233
II.BFO.BHZ.00 2023-01-03T18:29:14.72 10.0 negative automatic P 29 6370.0458 0.0509446 0.429165
OE.DAVA.BHZ. 2023-01-03T18:29:14.62 10.0 positive automatic P 30 6376.5726 -0.640323 0.448722
G.ECH.BHZ.00 2023-01-03T18:29:09.30 10.0 positive automatic P 28 6299.3166 -0.852658 0.338344
IU.HRV.BHZ.00 2023-01-03T18:29:06.52 10.0 negative automatic P 323 6247.0578 -0.21477 0.455481
GT.PLCA.BHZ.00 2023-01-03T18:29:05.40 10.0 positive automatic P 217 6221.1837 0.18408 0.469883
C.GO06.BHZ. 2023-01-03T18:29:04.05 10.0 positive automatic P 219 6208.2855 -0.369015 0.450222
IV.BOB.BHZ. 2023-01-03T18:29:00.50 10.0 positive automatic P 33 6167.2821 -1.2144 0.435832
RD.LOR.BHZ. 2023-01-03T18:28:54.54 10.0 negative automatic P 27 6053.3406 0.324009 0.48407
MN.BNI.BHZ. 2023-01-03T18:28:53.40 10.0 positive automatic P 31 6027.4998 0.717316 0.453731
RD.PGF.BHZ. 2023-01-03T18:28:49.30 10.0 positive automatic P 34 5980.0473 -0.210396 0.50369
G.SSB.BHZ.00 2023-01-03T18:28:46.45 10.0 positive automatic P 29 5927.2113 0.507392 0
C1.BO02.BHZ. 2023-01-03T18:28:41.42 10.0 positive automatic P 223 5855.7939 0.186734 0.527852
C1.CO02.BHZ. 2023-01-03T18:28:28.05 10.0 positive automatic P 227 5660.5782 -0.110204 0.543812
GE.WIN.BHZ. 2023-01-03T18:28:27.35 10.0 negative automatic P 121 5637.4236 0.667812 0.505592
RD.MTLF.BHZ. 2023-01-03T18:28:26.66 10.0 positive automatic P 29 5644.017 -0.234166 0.547544
C.GO04.BHZ. 2023-01-03T18:28:23.40 10.0 positive automatic P 228 5585.7309 0.174575 0.561501
IU.TSUM.BHZ.00 2023-01-03T18:28:21.97 10.0 negative automatic P 116 5559.5127 0.676722 0.539752
II.NNA.BHZ.00 2023-01-03T18:28:12.97 10.0 positive automatic P 253 5442.7851 -0.176922 0.54435
CU.SDDR.BHZ.00 2023-01-03T18:27:42.68 10.0 positive automatic P 296 4999.3401 0.735332 0.577634
CX.MNMCX.BHZ. 2023-01-03T18:27:35.90 10.0 positive automatic P 241 4930.7421 -1.40204 0.664466
IU.SDV.BHZ.00 2023-01-03T18:27:19.25 10.0 negative automatic P 282 4664.2089 1.47565 0.708845
GT.LPAZ.BHZ.00 2023-01-03T18:27:19.03 10.0 positive automatic P 244 4671.8679 0.139724 0.707551
LX.MORF.BHZ. 2023-01-03T18:27:09.56 10.0 positive automatic P 25 4555.3068 0.0249974 0.745134
GT.CPUP.BHZ.00 2023-01-03T18:26:47.93 10.0 positive automatic P 223 4266.5403 0.123364 0.77773
BL.PMNB.HHZ. 2023-01-03T18:24:57.25 10.0 positive automatic P 220 2862.8565 0.0476515 0.904977
GT.DBIC.BHZ.00 2023-01-03T18:24:48.83 10.0 negative automatic P 76 2768.6841 -0.533373 0.941176
G.MPG.BHZ.00 2023-01-03T18:24:38.85 10.0 negative automatic P 281 2641.2894 -0.0388163 0.888889
II.SACV.BHZ.00 2023-01-03T18:22:57.60 10.0 positive automatic P 21 1677.9315 -1.73253 0.97561
IU.RCBR.BHZ.00 2023-01-03T18:21:40.02 10.0 positive automatic P 225 1053.6675 -2.43706 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