Earthquake (other event) with magnitude of ML 2.0 on date 28-12-2021 and time 07:51:03 (Italy) in region Confine Slovenia Croazia (SLOVENIA, CROAZIA)

A magnitude ML 2.0 (other event) earthquake occured in region: Confine Slovenia Croazia (SLOVENIA, CROAZIA), on

  • 28-12-2021 06:51:03 (UTC)
  • 28-12-2021 07:51:03 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 45.6140, 14.4830 at 10 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

Event type: other event.

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

An earthquake occurred to
56 Km E of Trieste (204420 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
Bulletin
Rev1000
ML 2.0 2021-12-28
06:51:03
45.6137 14.4832 10 2022-03-30
13:04:30
Bollettino Sismico Italiano INGV 99714191
Reviewed
Rev100
ML 2.1 2021-12-28
06:51:02
45.5915 14.4427 10 2021-12-28
07:07:56
Sala Sismica INGV-Roma 99072741
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-12-28 06:51:03 ± 0.36
Latitude 45.6137 ± 0.0279
Longitude 14.4832 ± 0.0231
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type other event
Origin ID 99714191

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 3080
Semi-minor axis of confidence ellipse (meter) 1780
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 9
Circular confidence region, given by single value of horizontal uncertainty (meter) 3080.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 175
Number of associated phases, regardless of their use for origin computation 53
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.63
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.78605
Number of stations at which the event was observed 44
Number of stations from which data was used for origin computation 20
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 29
Type of magnitude ML
Reference to an origin 99714191
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-02-01 14:52:20

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 22
Type of magnitude ML
Reference to an origin 99072741
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-12-28 07:07:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CMPR.HNZ. 2021-12-28T06:54:04.52 3.0 undecidable manual Sg 14.12 0
IV.ACER.HNZ. 2021-12-28T06:53:33.60 3.0 undecidable manual Sn -7.8 0
GU.RORO.HHZ. 2021-12-28T06:53:22.60 3.0 undecidable manual Sn -0.82 0
IV.RCAV.EHZ. 2021-12-28T06:53:22.14 3.0 undecidable manual Sg 8.53 0
IX.LGS3.HNZ.01 2021-12-28T06:53:21.58 3.0 undecidable manual Sn -9.99 0
IT.LNT.HGZ. 2021-12-28T06:53:21.55 3.0 undecidable manual Pn -1.46 0
OT.OT16.EHZ. 2021-12-28T06:53:20.73 3.0 undecidable manual Sg 7.26 0
IV.SPS2.HHZ. 2021-12-28T06:53:12.52 3.0 negative manual Pg 14.64 0
IV.EUCT.HNZ. 2021-12-28T06:53:09.97 3.0 undecidable manual Sg 13.79 0
OT.OT17.EHZ. 2021-12-28T06:53:07.94 3.0 undecidable manual Sn -9.71 0
IV.VAGA.HHZ. 2021-12-28T06:53:04.66 3.0 undecidable manual Sn -9.99 0
IV.LPEL.HHZ. 2021-12-28T06:52:49.39 3.0 undecidable manual Sn -9.99 0
IV.OFFI.HHZ. 2021-12-28T06:52:46.92 3.0 undecidable manual Sg 1.54 0
IV.SIRI.HNZ. 2021-12-28T06:52:45.72 3.0 undecidable manual Pn 0.84 0
IV.CAVE.HHZ. 2021-12-28T06:52:30.90 3.0 undecidable manual Sg 1.52 0
IV.ZEN8.EHZ. 2021-12-28T06:52:30.83 3.0 undecidable manual Sg 3.91 0
IV.FIR.HHZ. 2021-12-28T06:52:29.01 3.0 undecidable manual Sn -9.99 0
IV.LPEL.HHZ. 2021-12-28T06:52:25.50 3.0 positive manual Pg 8.05 0
GU.RNCA.HHZ. 2021-12-28T06:52:25.95 3.0 negative manual Pg 9.11 0
OT.OT17.EHZ. 2021-12-28T06:52:23.31 3.0 undecidable manual Pn -0.31 0
IV.SARZ.HHZ. 2021-12-28T06:52:23.39 3.0 positive manual Pg 8.34 0
IV.COR1.EHZ. 2021-12-28T06:52:21.46 3.0 undecidable manual Sn -9.63 0
IV.EUCT.HNZ. 2021-12-28T06:52:20.78 3.0 positive manual Pg 9.22 0
IV.MNTT.EHZ. 2021-12-28T06:51:58.70 3.0 undecidable manual Pn -5.15 0
IV.VOBA.EHZ. 2021-12-28T06:51:57.35 3.0 negative manual Pg 0.1 0
IV.CAVE.HHZ. 2021-12-28T06:51:53.58 3.0 positive manual Pn -2.92 0
IV.RAVA.EHZ. 2021-12-28T06:51:51.05 3.0 negative manual Pn -5.29 0
IV.IMOL.HNZ. 2021-12-28T06:51:49.19 3.0 positive manual Pn -5.94 0
OE.ARSA.BHZ. 2021-12-28T06:51:37.00 1.0 undecidable manual P 23 198.2571 38 2.32 7
IV.FVI.HHZ. 2021-12-28T06:51:32.83 0.6 undecidable manual P 310 170.3961 50 1.79 25
NI.POLC.HHZ. 2021-12-28T06:51:31.16 0.3 undecidable manual P 287 160.0176 50 1.73 42
OX.MLN.HHZ. 2021-12-28T06:51:30.38 0.6 undecidable manual P 293 156.0216 50 1.56 32
OX.DRE.HHZ. 2021-12-28T06:51:29.98 0.6 undecidable manual S 314 89.6436 50 0.12 66
OX.CLUD.HHZ. 2021-12-28T06:51:29.52 0.3 undecidable manual P 308 154.8228 50 0.88 68
OX.FUSE.HHZ. 2021-12-28T06:51:28.62 0.3 undecidable manual P 308 144.6441 50 1.55 50
NI.PALA.HHZ. 2021-12-28T06:51:27.80 0.3 undecidable manual P 301 139.1607 50 1.57 50
RF.GEPF.HHZ. 2021-12-28T06:51:26.38 0.6 undecidable manual P 306 127.0728 50 2.02 24
OX.MPRI.HHN. 2021-12-28T06:51:26.61 0.6 undecidable manual P 302 134.7651 50 1.07 44
OX.BOO.HNE. 2021-12-28T06:51:24.01 0.6 undecidable manual P 307 132.3675 50 -1.17 42
OX.ACOM.HHZ. 2021-12-28T06:51:24.99 0.3 undecidable manual P 325 127.6722 50 0.53 84
IV.PTCC.HHZ. 2021-12-28T06:51:24.78 0.6 undecidable manual P 316 123.7872 50 0.92 48
OX.PRED.HNZ. 2021-12-28T06:51:22.31 0.6 undecidable manual P 323 115.995 50 -0.35 60
NI.VINO.HNZ. 2021-12-28T06:51:22.46 0.6 undecidable manual P 308 117.1938 50 -0.37 60
OX.BAD.HNE. 2021-12-28T06:51:22.65 0.6 undecidable manual P 306 117.7932 50 -0.29 61
SL.BOJS.BHE. 2021-12-28T06:51:21.84 0.6 undecidable manual S 101 60.8946 50 -0.34 67
MN.TRI.HHZ. 2021-12-28T06:51:19.80 0.3 undecidable manual S 281 56.7987 50 -1.27 69
NI.DST2.HHE. 2021-12-28T06:51:18.90 0.6 undecidable manual S 276 53.1024 50 -1.2 48
SL.LJU.BHE. 2021-12-28T06:51:17.79 0.3 undecidable manual S 4 47.8188 50 -0.9 85
OX.DRE.HHZ. 2021-12-28T06:51:17.72 0.6 undecidable manual P 314 89.6436 50 -0.88 53
SL.BOJS.BHE. 2021-12-28T06:51:14.25 0.6 undecidable manual P 101 60.8946 50 0.08 71
MN.TRI.HHZ. 2021-12-28T06:51:12.06 0.3 undecidable manual P 281 56.7987 50 -1.46 62
SL.LJU.BHE. 2021-12-28T06:51:11.67 0.3 undecidable manual P 4 47.8188 50 -0.48 100
NI.DST2.HHE. 2021-12-28T06:51:11.95 0.6 undecidable manual P 276 53.1024 50 -1.02 53
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
MN.TRI.HHN. ML:1.6 0.000079467235 0.2592 AML other m 2021-12-28T06:51:21.51
MN.TRI.HHE. ML:1.7 0.000098480075 0.1824 AML other m 2021-12-28T06:51:21.81
OX.DRE.HNN. ML:2.0 0.000118501075 0.16 AML other m 2021-12-28T06:51:34.81
OX.DRE.HHN. ML:2.0 0.00012050759 0.16 AML other m 2021-12-28T06:51:34.81
OX.DRE.HNE. ML:1.9 0.00009855460499999999 0.2016 AML other m 2021-12-28T06:51:35.50
OX.DRE.HHE. ML:2.0 0.00010701009 0.2208 AML other m 2021-12-28T06:51:37.73
OX.ACOM.HHE. ML:2.3 0.0001325 0.32 AML other m 2021-12-28T06:51:43.83
OX.ACOM.HNE. ML:2.3 0.00013081635 0.3008 AML other m 2021-12-28T06:51:43.84
OX.ACOM.HHN. ML:2.3 0.00014600000000000003 0.48 AML other m 2021-12-28T06:51:45.11
OX.ACOM.HNN. ML:2.3 0.0001428634 0.4992 AML other m 2021-12-28T06:51:45.59
RF.GEPF.HHE. ML:2.0 0.0000597 0.34 AML other m 2021-12-28T06:51:45.74
RF.GEPF.HHN. ML:1.8 0.000042669779999999995 0.3616 AML other m 2021-12-28T06:51:46.19
IV.PTCC.HHN. ML:1.6 0.000029900000000000002 0.66 AML other m 2021-12-28T06:51:46.55
IV.PTCC.HHE. ML:1.7 0.00003345 0.24 AML other m 2021-12-28T06:51:48.73
OX.FUSE.HNE. ML:2.0 0.00004823224 0.5184 AML other m 2021-12-28T06:51:50.86
OX.FUSE.HHE. ML:1.9 0.00004675 1.14 AML other m 2021-12-28T06:51:51.85
NI.PALA.HHE. ML:2.3 0.0001235 0.42 AML other m 2021-12-28T06:51:52.37
OX.MLN.HHN. ML:1.9 0.00003466113 0.4992 AML other m 2021-12-28T06:51:53.11
OX.FUSE.HNN. ML:2.0 0.00006086745 0.4384 AML other m 2021-12-28T06:51:52.89
OX.FUSE.HHN. ML:2.0 0.00006243887000000001 0.4384 AML other m 2021-12-28T06:51:52.89
OX.CLUD.HNN. ML:2.1 0.000056264235 0.5408 AML other m 2021-12-28T06:51:53.39
OX.CLUD.HHN. ML:1.9 0.00004065 0.5 AML other m 2021-12-28T06:51:53.65
OX.CLUD.HHE. ML:1.9 0.000034049999999999994 1.18 AML other m 2021-12-28T06:51:53.70
NI.POLC.HHN. ML:2.5 0.0001395 1.54 AML other m 2021-12-28T06:51:53.02
OX.MLN.HHE. ML:1.7 0.000026680735 0.3584 AML other m 2021-12-28T06:51:53.84
NI.POLC.HHE. ML:2.4 0.0001060355 0.32 AML other m 2021-12-28T06:51:53.83
NI.PALA.HHN. ML:2.1 0.00008122552999999999 0.24 AML other m 2021-12-28T06:51:53.00
IV.FVI.HHE. ML:2.1 0.000056750000000000004 0.22 AML other m 2021-12-28T06:51:57.82
IV.FVI.HHN. ML:1.9 0.0000363 0.24 AML other m 2021-12-28T06:51:57.85
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
Waveforms Seismic signals in miniseed + resp format Download