Earthquake with magnitude of ML 2.0 on date 20-09-2023 and time 18:02:37 (Italy) in region Confine Slovenia Croazia (SLOVENIA, CROAZIA)

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

  • 20-09-2023 16:02:37 (UTC)
  • 20-09-2023 18:02:37 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 45.4400, 14.5220 at 6 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.

Municipalities within 20 km from the epicenter

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
63 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
Reviewed
Rev100
ML 2.0 2023-09-20
16:02:37
45.4405 14.5218 7 2023-09-20
16:18:26
Sala Sismica INGV-Roma 121283811
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-09-20 16:02:37 ± 0.21
Latitude 45.4405 ± 0.0108
Longitude 14.5218 ± 0.0064
Depth (km) 7 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 121283811

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 952
Semi-minor axis of confidence ellipse (meter) 795
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 182
Circular confidence region, given by single value of horizontal uncertainty (meter) 950.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 211
Number of associated phases, regardless of their use for origin computation 38
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.13
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.95328
Number of stations at which the event was observed 30
Number of stations from which data was used for origin computation 6
Magnitude information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 32
Type of magnitude ML
Reference to an origin 121283811
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-09-20 16:18:26
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ERC.EHZ. 2023-09-20T16:04:31.57 3.0 undecidable manual Pn 3.39 0
IV.RCAV.EHZ. 2023-09-20T16:04:16.92 3.0 undecidable manual Sn -5.47 0
IV.PTQR.HHZ. 2023-09-20T16:04:13.58 3.0 undecidable manual Sn -2.53 0
IV.LPEL.HHZ. 2023-09-20T16:04:11.86 3.0 undecidable manual Sn -1.56 0
IV.SPS2.HHZ. 2023-09-20T16:04:09.00 3.0 undecidable manual Pn -2.16 0
GU.MGRO.HHZ. 2023-09-20T16:04:06.51 3.0 undecidable manual Pg 13.18 0
GU.POPM.HHZ. 2023-09-20T16:04:06.56 3.0 undecidable manual Sn 2.22 0
IV.TDS.HHZ. 2023-09-20T16:04:02.94 3.0 undecidable manual Pn -3.27 0
IV.GIUL.HHZ. 2023-09-20T16:03:47.22 3.0 negative manual Pg 7.75 0
IV.CERT.HHZ. 2023-09-20T16:03:39.44 3.0 undecidable manual Pg 4.42 0
IV.TOLF.HHZ. 2023-09-20T16:03:37.48 3.0 undecidable manual Pn 0.08 0
IV.CADC.HNZ. 2023-09-20T16:03:35.14 3.0 positive manual Pg 7.71 0
IV.CSNT.HHZ. 2023-09-20T16:03:35.01 3.0 negative manual Pg 8.56 0
OX.CIMO.HHZ. 2023-09-20T16:03:32.87 3.0 undecidable manual Sn 0.43 0
OX.CLUD.HHZ. 2023-09-20T16:03:29.91 3.0 undecidable manual S 1.3 0
IV.STAL.HHZ. 2023-09-20T16:03:28.32 3.0 undecidable manual S 0.35 0
NI.PALA.HHZ. 2023-09-20T16:03:24.96 3.0 undecidable manual S 0.17 0
OX.ACOM.HHZ. 2023-09-20T16:03:22.14 3.0 undecidable manual S -1.31 0
OX.DRE.HHZ. 2023-09-20T16:03:09.84 1.0 undecidable manual S 320 105.8163 50 0.28 22
OX.CAE.HHZ. 2023-09-20T16:03:08.02 3.0 positive manual Pn 1.4 0
OX.MLN.HHZ. 2023-09-20T16:03:07.05 3.0 negative manual Pn 1.16 0
IV.STAL.HHZ. 2023-09-20T16:03:06.75 3.0 negative manual Pn 0.85 0
OX.FUSE.HHZ. 2023-09-20T16:03:06.41 3.0 negative manual P 1.38 0
NI.PALA.HHZ. 2023-09-20T16:03:05.16 3.0 undecidable manual P 1.05 0
OX.SABO.HHZ. 2023-09-20T16:03:05.83 1.0 undecidable manual S 312 91.7415 50 0.04 24
OX.MPRI.HHZ. 2023-09-20T16:03:04.81 3.0 positive manual P 1.22 0
IV.PTCC.HHZ. 2023-09-20T16:03:04.15 3.0 positive manual P 1.48 0
NI.VINO.HHZ. 2023-09-20T16:03:01.72 3.0 positive manual Pg 0.1 0
SL.LJU.BHZ. 2023-09-20T16:02:58.76 1.0 undecidable manual S 0 66.8775 50 -0.41 23
MN.TRI.HHZ. 2023-09-20T16:02:58.84 1.0 undecidable manual S 297 65.9895 50 -0.07 25
NI.DST2.HHE. 2023-09-20T16:02:57.55 0.3 undecidable manual S 294 60.9945 50 -0.03 75
OX.DRE.HHZ. 2023-09-20T16:02:56.23 0.6 undecidable manual P 320 105.8163 50 0.09 45
SL.BOJS.BHZ. 2023-09-20T16:02:56.85 1.0 undecidable manual S 83 57.1983 50 0.27 24
OX.SABO.HHZ. 2023-09-20T16:02:54.05 0.1 undecidable manual P 312 91.7415 50 0.08 93
SL.LJU.BHZ. 2023-09-20T16:02:50.37 1.0 undecidable manual P 0 66.8775 50 0.23 24
MN.TRI.HHZ. 2023-09-20T16:02:49.88 0.1 undecidable manual P 297 65.9895 50 -0.12 97
NI.DST2.HHE. 2023-09-20T16:02:49.26 0.1 undecidable manual P 294 60.9945 50 0.03 100
SL.BOJS.BHZ. 2023-09-20T16:02:48.27 1.0 undecidable manual P 83 57.1983 50 -0.38 23
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
SL.LJU.BHN. ML:2.7 0.0009205 1.4 AML other m 2023-09-20T16:02:59.08
MN.TRI.HHE. ML:1.8 0.000132 0.38 AML other m 2023-09-20T16:02:59.45
SL.BOJS.BHE. ML:1.7 0.0001185 0.2 AML other m 2023-09-20T16:03:00.23
MN.TRI.HHN. ML:1.8 0.00010400000000000001 0.54 AML other m 2023-09-20T16:03:00.63
SL.LJU.BHE. ML:2.6 0.0008365 0.8 AML other m 2023-09-20T16:03:00.93
SL.BOJS.BHN. ML:1.7 0.00011269999999999999 0.7 AML other m 2023-09-20T16:03:01.48
OX.SABO.HHN. ML:1.9 0.0000935 0.34 AML other m 2023-09-20T16:03:06.34
OX.SABO.HNN. ML:2.5 0.00035299999999999996 0.36 AML other m 2023-09-20T16:03:06.34
OX.SABO.HHE. ML:1.9 0.00008945 0.42 AML other m 2023-09-20T16:03:08.70
OX.DRE.HHE. ML:2.0 0.00010145 0.82 AML other m 2023-09-20T16:03:10.66
OX.SABO.HNE. ML:2.5 0.000364 0.74 AML other m 2023-09-20T16:03:12.43
OX.DRE.HHN. ML:2.0 0.00009435 0.2 AML other m 2023-09-20T16:03:13.26
NI.VINO.HHN. ML:2.0 0.00006755 0.72 AML other m 2023-09-20T16:03:21.38
NI.VINO.HHE. ML:1.8 0.0000453 0.66 AML other m 2023-09-20T16:03:22.22
IV.PTCC.HHN. ML:1.7 0.00003165 0.36 AML other m 2023-09-20T16:03:24.67
OX.ACOM.HHE. ML:2.4 0.00011899999999999999 0.32 AML other m 2023-09-20T16:03:24.81
OX.ACOM.HNE. ML:2.4 0.00013680000000000002 0.58 AML other m 2023-09-20T16:03:24.81
IV.PTCC.HHE. ML:1.9 0.00004975 0.36 AML other m 2023-09-20T16:03:24.84
OX.MPRI.HHE. ML:2.0 0.00005345 0.48 AML other m 2023-09-20T16:03:25.77
OX.ACOM.HNN. ML:2.2 0.00009525 1.42 AML other m 2023-09-20T16:03:26.82
OX.MPRI.HHN. ML:2.0 0.000055849999999999996 1.36 AML other m 2023-09-20T16:03:26.09
OX.ACOM.HHN. ML:2.1 0.0000678 0.24 AML other m 2023-09-20T16:03:26.82
OX.FUSE.HHE. ML:1.8 0.0000304 1.24 AML other m 2023-09-20T16:03:28.65
OX.FUSE.HHN. ML:2.0 0.000044399999999999995 0.44 AML other m 2023-09-20T16:03:30.18
OX.CAE.HHE. ML:2.1 0.0000445 0.58 AML other m 2023-09-20T16:03:30.58
NI.PALA.HHE. ML:2.2 0.0000812 1.56 AML other m 2023-09-20T16:03:31.81
OX.CAE.HHN. ML:2.0 0.00003594999999999999 0.24 AML other m 2023-09-20T16:03:31.99
NI.PALA.HHN. ML:2.2 0.00007915 0.36 AML other m 2023-09-20T16:03:31.94
IV.STAL.HHN. ML:2.3 0.00008075 0.62 AML other m 2023-09-20T16:03:33.20
IV.STAL.HHE. ML:2.2 0.0000746 0.26 AML other m 2023-09-20T16:03:33.80
OX.CIMO.HHN. ML:1.8 0.00002095 1.4 AML other m 2023-09-20T16:03:34.29
OX.CIMO.HHE. ML:1.8 0.00001823 0.42 AML other m 2023-09-20T16:03:40.12
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