Earthquake with magnitude of ML 2.3 on date 23-09-2021 and time 07:23:37 (Italy) in region Slovenia (SLOVENIA)

A magnitude ML 2.3 earthquake occured in region: Slovenia (SLOVENIA), on

  • 23-09-2021 05:23:37 (UTC)
  • 23-09-2021 07:23:37 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 45.7200, 15.0560 at 11 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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
Bulletin
Rev1000
ML 2.3 2021-09-23
05:23:37
45.7202 15.0562 11 2022-03-30
13:04:38
Bollettino Sismico Italiano INGV 101114201
Reviewed
Rev100
ML 1.9 2021-09-23
05:23:37
45.6797 15.0243 7 2021-09-23
05:35:46
Sala Sismica INGV-Roma 95770981
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-23 05:23:37 ± 0.69
Latitude 45.7202 ± 0.0387
Longitude 15.0562 ± 0.0245
Depth (km) 11 ± 5 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 101114201

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 3670
Semi-minor axis of confidence ellipse (meter) 2543
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 163
Circular confidence region, given by single value of horizontal uncertainty (meter) 3670.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 218
Number of associated phases, regardless of their use for origin computation 37
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.44
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.58461
Number of stations at which the event was observed 31
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 101114201
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-02-18 15:32:09

ML:1.9

Field Value
Value 1.9
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 95770981
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-09-23 05:35:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SENA.HHZ. 2021-09-23T05:25:48.41 3.0 undecidable manual Pg 16.92 0
IV.MC2.EHZ. 2021-09-23T05:25:30.94 3.0 undecidable manual Sg 3.58 0
TV.SF04.EHZ. 2021-09-23T05:25:28.98 3.0 undecidable manual Sn -7.65 0
IV.CADC.EHZ. 2021-09-23T05:25:18.19 3.0 undecidable manual Sn 5.52 0
IV.MNTT.EHZ. 2021-09-23T05:25:17.08 3.0 undecidable manual Sn -6.02 0
IX.RSF3.HHZ.02 2021-09-23T05:25:15.47 3.0 positive manual Pg 0.93 0
IV.PAOL.HHZ. 2021-09-23T05:25:15.86 3.0 undecidable manual Pg 3.16 0
IV.MRLC.HHZ. 2021-09-23T05:25:14.90 3.0 undecidable manual Pn -3.1 0
IV.APEC.HHZ. 2021-09-23T05:25:13.82 3.0 undecidable manual Sg -1.34 0
OT.OT17.EHZ. 2021-09-23T05:25:12.40 3.0 negative manual Pg 7.11 0
GU.BURY.HHZ. 2021-09-23T05:25:11.75 3.0 undecidable manual Pn 0.77 0
IV.PE3.EHZ. 2021-09-23T05:25:09.52 3.0 undecidable manual Sg -2.01 0
IT.GLNS.HNZ. 2021-09-23T05:25:07.16 3.0 undecidable manual Pg 5.88 0
IV.VVLD.HHZ. 2021-09-23T05:25:06.66 3.0 undecidable manual Pg 5.9 0
IV.IMOL.HNZ. 2021-09-23T05:25:04.81 3.0 undecidable manual Sg 1.04 0
IV.BRSN.HNZ. 2021-09-23T05:25:00.49 3.0 undecidable manual Sg -1.34 0
IV.PTRJ.HNZ. 2021-09-23T05:24:57.43 3.0 undecidable manual Pn -9.99 0
IV.LPEL.HHZ. 2021-09-23T05:24:52.07 3.0 negative manual Pn -6.4 0
IV.PCN.EHZ. 2021-09-23T05:24:50.73 3.0 negative manual Pg 6.56 0
IV.ARVD.HHZ. 2021-09-23T05:24:39.53 3.0 undecidable manual Pg 0.22 0
NI.PALA.HHZ. 2021-09-23T05:24:28.33 0.6 undecidable manual S 290 174.3921 50 1.35 39
OX.ACOM.HHZ. 2021-09-23T05:24:20.71 0.3 undecidable manual S 308 149.9388 50 0.23 67
NI.VINO.HHZ. 2021-09-23T05:24:19.89 0.6 undecidable manual S 294 149.4393 50 -0.45 65
SL.KOGS.BHN. 2021-09-23T05:24:12.70 0.6 undecidable manual S 48 122.2887 50 -0.4 69
OX.FUSE.HHZ. 2021-09-23T05:24:07.10 0.6 undecidable manual P 297 175.8906 38 0.62 54
NI.DST2.HHE. 2021-09-23T05:24:06.35 0.6 undecidable manual S 266 97.4247 50 -0.11 77
NI.PALA.HHZ. 2021-09-23T05:24:06.56 0.3 undecidable manual P 290 174.3921 50 0.31 89
OX.PLRO.HHZ. 2021-09-23T05:24:06.60 0.3 undecidable manual P 303 173.0934 50 0.54 84
OX.MPRI.HHZ. 2021-09-23T05:24:06.13 0.3 undecidable manual P 291 169.5969 50 0.61 84
OX.ACOM.HHZ. 2021-09-23T05:24:02.89 0.3 undecidable manual P 308 149.9388 50 0.4 98
OX.BAD.HNE. 2021-09-23T05:24:02.37 0.3 undecidable manual P 293 150.9378 50 -0.27 100
NI.VINO.HHZ. 2021-09-23T05:24:01.89 0.3 undecidable manual P 294 149.4393 50 -0.53 95
SL.KOGS.BHN. 2021-09-23T05:23:58.94 0.6 undecidable manual P 48 122.2887 50 0.7 63
NI.DST2.HHE. 2021-09-23T05:23:54.02 0.6 undecidable manual P 266 97.4247 50 -0.38 73
MN.TRI.HHZ. 2021-09-23T05:23:54.61 0.6 undecidable manual P 270 100.122 50 -0.2 75
SL.LJU.BHE. 2021-09-23T05:23:51.68 0.6 undecidable manual S 312 54.3012 50 -3.27 4
SL.LJU.BHE. 2021-09-23T05:23:46.31 0.3 undecidable manual P 312 54.3012 50 -1.45 74
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
MN.TRI.HHN. ML:1.8 0.0000637 1.16 AML other m 2021-09-23T05:24:11.36
MN.TRI.HHE. ML:1.8 0.0000612 1.1 AML other m 2021-09-23T05:24:13.79
NI.VINO.HHE. ML:1.9 0.00004575 0.42 AML other m 2021-09-23T05:24:22.32
OX.ACOM.HHE. ML:2.5 0.00017299999999999998 1.56 AML other m 2021-09-23T05:24:22.90
OX.ACOM.HHN. ML:2.5 0.0001495 0.38 AML other m 2021-09-23T05:24:22.26
OX.ACOM.HNN. ML:2.5 0.00017549999999999998 0.38 AML other m 2021-09-23T05:24:22.26
OX.ACOM.HNE. ML:2.5 0.00016399999999999997 0.74 AML other m 2021-09-23T05:24:23.72
NI.VINO.HHN. ML:2.0 0.00005355 1 AML other m 2021-09-23T05:24:24.60
OX.PLRO.HHN. ML:2.6 0.0001525 0.34 AML other m 2021-09-23T05:24:30.04
OX.PLRO.HHE. ML:2.3 0.0000816 0.56 AML other m 2021-09-23T05:24:31.31
NI.PALA.HHE. ML:2.4 0.00008835 0.82 AML other m 2021-09-23T05:24:33.94
NI.PALA.HHN. ML:2.3 0.0000779 0.66 AML other m 2021-09-23T05:24:35.54
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