Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Mwp 5.8 on date 21-01-2023 and time 19:49:32 (UTC) in region Reykjanes Ridge [Sea]

A magnitude Mwp 5.8 earthquake occured in region: Reykjanes Ridge [Sea], on

  • 21-01-2023 19:49:32 (UTC)
  • 21-01-2023 20:49:32 (UTC +01:00) Italian time
  • 21-01-2023 19:49:32 (UTC +00:00) local time in the region of the earthquake (Atlantic/Reykjavik)

and geographic coordinates (lat, lon) 57.3820, -33.2420 at 10 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 5.0
Mwp 5.8
Mwpd 5.9 		2023-01-21
19:49:32		 57.382 -33.2422 10 2023-01-21
20:08:45		 Sala Sismica INGV-Roma 113719261
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-01-21 19:49:32
Latitude 57.3820
Longitude -33.2422
Depth (km) 10 (from location)
Evaluation mode of Origin automatic
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV-A
Event type earthquake
Origin ID 113719261

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 13160
Semi-minor axis of confidence ellipse (meter) 6804
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 236
Circular confidence region, given by single value of horizontal uncertainty (meter) 11213.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 83.503
Number of associated phases, regardless of their use for origin computation 79
Number of defining phases 79
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.946531
Epicentral distance of station closest to the epicenter (degree) 7.26207
Epicentral distance of station farthest from the epicenter (degree) 91.96115
Number of stations at which the event was observed 78
Number of stations from which data was used for origin computation 78
Magnitudes information

Mwpd:5.9

Field Value
Value 5.9
Uncertainty 0.2
Num. used stations 8
Type of magnitude Mwpd
Reference to an origin 113719261
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2023-01-21 20:08:45

Mwp:5.8

Field Value
Value 5.8
Uncertainty 0.1
Num. used stations 7
Type of magnitude Mwp
Reference to an origin 113719261
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2023-01-21 20:08:45

mb:5.0

Field Value
Value 5.0
Uncertainty 0.2
Num. used stations 71
Type of magnitude mb
Reference to an origin 113719261
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2023-01-21 20:08:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IU.LCO.BHZ.00 2023-01-21T20:02:36.57 10.0 positive automatic PcP 212 91.9611 -3.88658 0
GT.LPAZ.BHZ.00 2023-01-21T20:01:34.05 10.0 positive automatic P 214 79.1502 -2.10484 0.167093
II.SIMI.BHZ.00 2023-01-21T20:00:06.82 10.0 positive automatic PKPPKPab 58 64.0947 1.92296 0.16201
II.AAK.BHZ.00 2023-01-21T20:00:00.62 10.0 positive automatic PKPPKPdf 52 63.2712 1.11772 0.349274
IU.MAKZ.BHZ.00 2023-01-21T19:59:56.20 10.0 positive automatic PKPPKPdf 44 62.8112 -0.0734772 0.376622
II.ALE.BHZ.00 2023-01-21T19:59:53.22 10.0 positive automatic S 352 26.2933 15.7632 0
II.PFO.BHZ.00 2023-01-21T19:59:29.17 10.0 positive automatic P 285 58.7119 0.704016 0.405855
II.KURK.BHZ.00 2023-01-21T19:59:25.25 10.0 negative automatic P 44 58.3398 -0.436445 0.397607
BK.CMB.BHZ.00 2023-01-21T19:59:18.75 10.0 negative automatic P 291 57.3061 0.239409 0.44552
US.WUAZ.BHZ.00 2023-01-21T19:58:59.53 10.0 positive automatic SKKSdf 282 54.5786 0.396068 0.470211
US.MNTX.BHZ.00 2023-01-21T19:58:56.48 10.0 positive automatic SKKSdf 274 54.3192 -0.556927 0.474094
GE.EIL.BHZ. 2023-01-21T19:58:53.65 10.0 positive automatic SKKSdf 90 53.7755 0.621246 0.471571
US.WVOR.BHZ.00 2023-01-21T19:58:48.53 10.0 positive automatic SKKSdf 293 53.1088 0.19737 0.509814
US.ELK.BHZ.00 2023-01-21T19:58:46.15 10.0 positive automatic SKKSdf 289 52.6528 1.0369 0.523213
GE.MSBI.BHZ. 2023-01-21T19:58:45.55 10.0 positive automatic SKKSdf 89 52.7132 0.409008 0.466682
IU.ANMO.BHZ.00 2023-01-21T19:58:44.10 10.0 positive automatic SKKSdf 278 52.4040 0.900216 0.48139
US.MVCO.BHZ.00 2023-01-21T19:58:39.33 10.0 negative automatic P 281 51.7872 0.655241 0.490554
US.DUG.BHZ.00 2023-01-21T19:58:38.93 10.0 positive automatic P 287 51.8177 0.148175 0.536775
IU.GNI.BHZ.00 2023-01-21T19:58:34.67 10.0 negative automatic P 74 51.0319 1.75847 0.536912
US.BMO.BHZ.00 2023-01-21T19:58:29.13 10.0 positive automatic P 294 50.6838 -1.08365 0.524261
IU.TIXI.BHZ.00 2023-01-21T19:58:28.47 10.0 positive automatic P 7 50.3734 0.793991 0.56064
US.HLID.BHZ.00 2023-01-21T19:58:27.13 10.0 positive automatic P 291 50.1759 0.650768 0.557308
US.HWUT.BHZ.00 2023-01-21T19:58:25.78 10.0 positive automatic P 287 50.1415 -0.447696 0.532805
US.SDCO.BHZ.00 2023-01-21T19:58:24.03 10.0 positive automatic P 280 49.7954 0.29631 0.563625
US.AHID.BHZ.00 2023-01-21T19:58:17.70 10.0 positive automatic P 288 49.0673 -0.358003 0.582666
GE.CSS.BHZ. 2023-01-21T19:58:16.65 10.0 negative automatic P 87 48.8290 0.686781 0
US.ISCO.BHZ.00 2023-01-21T19:58:13.18 10.0 negative automatic P 282 48.3485 0.507414 0.543234
US.WMOK.BHZ.00 2023-01-21T19:58:12.80 10.0 positive automatic P 272 48.4401 -0.183779 0.579596
US.BW06.BHZ.00 2023-01-21T19:58:11.08 10.0 positive automatic P 287 48.2744 -0.932467 0.569145
IU.COLA.BHZ.00 2023-01-21T19:58:11.60 10.0 negative automatic P 329 48.1442 0.943775 0.584573
US.NEW.BHZ.00 2023-01-21T19:58:10.75 10.0 positive automatic P 297 48.1786 -0.265421 0.590864
US.MSO.BHZ.00 2023-01-21T19:58:06.63 10.0 negative automatic P 294 47.6291 -0.217475 0.607415
US.BOZ.BHZ.00 2023-01-21T19:58:04.65 10.0 negative automatic P 291 47.3355 0.0374268 0.279633
II.KIV.BHZ.00 2023-01-21T19:58:04.97 10.0 negative automatic P 72 47.2345 1.23665 0.57334
US.RLMT.BHZ.00 2023-01-21T19:57:58.58 10.0 positive automatic P 289 46.4704 0.637932 0.620341
US.EGAK.BHZ.00 2023-01-21T19:57:55.93 10.0 positive automatic P 326 46.2635 -0.0783031 0.609617
II.ARTI.BHZ.00 2023-01-21T19:57:54.77 10.0 positive automatic P 50 46.1312 -0.192807 0.578629
US.MIAR.BHZ.00 2023-01-21T19:57:52.05 10.0 positive automatic P 267 45.7814 -0.139904 0.625079
US.EGMT.BHZ.00 2023-01-21T19:57:44.48 10.0 positive automatic P 292 44.7420 0.395387 0.658644
IU.RSSD.BHZ.00 2023-01-21T19:57:43.50 10.0 negative automatic P 285 44.4631 1.45798 0.655894
G.TAM.BHZ.00 2023-01-21T19:57:41.95 10.0 positive automatic P 124 44.4586 0.0672439 0.606065
US.LAO.BHZ.00 2023-01-21T19:57:38.20 10.0 positive automatic P 289 43.8527 1.26621 0.659149
US.KSU1.BHZ.00 2023-01-21T19:57:37.98 10.0 positive automatic P 274 44.0480 -0.424667 0.67127
US.LRAL.BHZ.00 2023-01-21T19:57:33.10 10.0 negative automatic P 260 43.4135 -0.162383 0.623532
IU.CCM.BHZ.00 2023-01-21T19:57:21.17 10.0 positive automatic P 268 41.9154 0.0643659 0.694282
US.GOGA.BHZ.00 2023-01-21T19:57:16.05 10.0 positive automatic P 257 41.2629 0.307126 0.70632
US.ECSD.BHZ.00 2023-01-21T19:57:12.60 10.0 positive automatic P 279 40.8115 0.512506 0.723115
HT.AGG.HHZ. 2023-01-21T19:57:05.37 10.0 negative automatic P 93 39.9096 0.72256 0.699099
US.TZTN.BHZ.00 2023-01-21T19:56:57.00 10.0 positive automatic P 260 38.9101 0.736665 0.750585
US.AGMN.BHZ.00 2023-01-21T19:56:43.90 10.0 positive automatic P 284 37.4585 -0.119283 0.797103
IU.KIEV.BHZ.00 2023-01-21T19:56:29.62 10.0 positive automatic P 73 35.9391 -1.42399 0.808404
MN.BZS.BHZ. 2023-01-21T19:56:23.22 10.0 positive automatic P 85 35.0273 0.000265883 0.740478
PL.KWP.BHZ. 2023-01-21T19:56:07.36 10.0 negative automatic P 79 33.1510 0.401299 0.808225
GE.PSZ.BHZ. 2023-01-21T19:56:02.00 10.0 positive automatic P 83 32.6616 0.228135 0.895503
PL.OJC.BHZ. 2023-01-21T19:55:50.20 10.0 negative automatic PKKSdf 80 31.2756 -0.296526 0.903486
OE.ARSA.BHZ. 2023-01-21T19:55:46.12 10.0 negative automatic PKKSdf 88 30.7169 0.519818 0.894432
GE.MORC.BHZ. 2023-01-21T19:55:42.25 10.0 negative automatic PKKSdf 82 30.3225 0.105673 0.863338
PL.KSP.BHZ. 2023-01-21T19:55:30.83 10.0 positive automatic PKKSdf 81 29.0700 -0.148681 0.930233
IU.GRFO.BHZ.00 2023-01-21T19:55:11.82 10.0 positive automatic P 87 26.9779 -0.476596 0.963855
II.ALE.BHZ.00 2023-01-21T19:55:05.47 10.0 positive automatic P 352 26.2933 -0.598625 0.869565
II.BFO.BHZ.00 2023-01-21T19:55:04.42 10.0 positive automatic P 92 26.1958 -0.862312 0.769231
LX.MORF.BHZ. 2023-01-21T19:55:01.51 10.0 positive automatic P 130 25.7955 -0.134737 0.930233
G.ECH.BHZ.00 2023-01-21T19:54:59.45 10.0 positive automatic P 93 25.6325 -0.723926 0.816327
LX.MESJ.BHZ. 2023-01-21T19:54:58.22 10.0 positive automatic P 129 25.5183 -0.857704 0.816327
US.PKME.BHZ.00 2023-01-21T19:54:55.58 10.0 negative automatic P 257 25.1664 -0.28599 0.909091
RD.LOR.BHZ. 2023-01-21T19:54:48.08 10.0 positive automatic P 98 24.4356 -1.201 0.934579
GE.WLF.BHZ. 2023-01-21T19:54:47.10 10.0 positive automatic P 91 24.2617 -0.550668 0.888889
GE.IBBN.BHZ. 2023-01-21T19:54:41.00 10.0 positive automatic P 85 23.7608 -1.05554 0
DK.MUD.BHZ.00 2023-01-21T19:54:33.30 10.0 negative automatic P 74 22.7921 0.169545 0.952381
RD.MFF.BHZ. 2023-01-21T19:54:32.04 10.0 positive automatic P 104 22.7395 -0.576717 0.961538
RD.ROSF.BHZ. 2023-01-21T19:54:03.32 10.0 positive automatic P 104 20.0054 0.114337 0.49505
II.ESK.BHZ.00 2023-01-21T19:53:22.92 10.0 positive automatic P 84 16.6326 -0.737546 0.43956
CN.DRLN.BHZ. 2023-01-21T19:53:21.73 10.0 positive automatic pP 251 16.4854 -0.0647125 0.930233
DK.SCO.BHZ. 2023-01-21T19:52:49.70 10.0 positive automatic P 16 13.9567 1.47143 0.909091
DK.ILULI.BHZ. 2023-01-21T19:52:48.38 10.0 positive automatic P 334 14.1778 -2.86851 0.833333
II.BORG.BHZ.00 2023-01-21T19:51:46.55 10.0 positive automatic P 33 9.3214 1.7083 0.97561
G.IVI.BHZ.00 2023-01-21T19:51:32.30 10.0 positive automatic P 303 8.5018 -1.28109 0.37037
DK.ANGG.BHZ. 2023-01-21T19:51:30.70 10.0 positive automatic P 348 8.4917 -2.74069 0.97561
DK.NRS.BHZ. 2023-01-21T19:51:17.90 10.0 positive automatic P 306 7.2621 1.32301 0.952381
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