Earthquake with magnitude of ML 1.9 on date 16-03-2023 and time 19:43:12 (UTC) in region Confine Italia Slovenia (SLOVENIA)

A magnitude ML 1.9 earthquake occured in region: Confine Italia Slovenia (SLOVENIA), on

  • 16-03-2023 19:43:12 (UTC)
  • 16-03-2023 20:43:12 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.0190, 13.7890 at 14 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

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Gorizia GO 15 34844 34844
San Floriano del Collio GO 16 796 35640

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km N of Trieste (204420 inhabitants)
43 Km E of Udine (99169 inhabitants)
87 Km E of Pordenone (51229 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 1.9 2023-03-16
19:43:12
46.0187 13.789 14 2024-03-01
17:18:10
Bollettino Sismico Italiano INGV 118127681
Reviewed
Rev100
ML 2.0 2023-03-16
19:43:11
46.0247 13.8547 10 2023-03-16
20:11:00
Sala Sismica INGV-Roma 115450161
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-16 19:43:12 ± 0.13
Latitude 46.0187 ± 0.0054
Longitude 13.7890 ± 0.0168
Depth (km) 14 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 118127681

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 942
Semi-minor axis of confidence ellipse (meter) 916
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 255
Circular confidence region, given by single value of horizontal uncertainty (meter) 940.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 203
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.59805
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 115450161
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-16 20:11:00

ML:1.9

Field Value
Value 1.9
Uncertainty 0.6
Num. used stations 14
Type of magnitude ML
Reference to an origin 118127681
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-06-05 13:56:40
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PAOL.HNZ. 2023-03-16T19:45:21.66 3.0 undecidable manual Sg 2.27 0
IV.PIGN.HHZ. 2023-03-16T19:44:53.46 3.0 undecidable manual Sn -9.99 0
IV.LRP.EHZ. 2023-03-16T19:44:47.94 3.0 undecidable manual Sn -9.99 0
OT.OT14.EHZ. 2023-03-16T19:44:10.38 3.0 negative manual Pg -0.72 0
IV.LRP.EHZ. 2023-03-16T19:44:02.51 3.0 undecidable manual Pn -9.99 0
CR.STON.BHZ. 2023-03-16T19:43:53.04 3.0 undecidable manual Pn -9.99 0
IV.SSFR.HHZ. 2023-03-16T19:43:51.22 3.0 undecidable manual Pg 0.11 0
IV.FREG.EHZ. 2023-03-16T19:43:48.41 3.0 undecidable manual Sn 0.03 0
IV.PTCC.HHZ. 2023-03-16T19:43:29.00 0.6 undecidable manual S 322 54.6009 95 -0.1 46
OX.PRED.HHE. 2023-03-16T19:43:28.00 0.3 undecidable manual S 340 50.1165 95 0.08 69
NI.VINO.HHZ. 2023-03-16T19:43:27.00 0.6 undecidable manual S 304 47.3193 95 -0.18 46
OX.MPRI.HHZ. 2023-03-16T19:43:23.72 1.0 undecidable manual P 292 66.378 94 0.01 23
OX.ACOM.HHZ. 2023-03-16T19:43:23.48 0.1 undecidable manual P 340 62.3931 94 0.38 85
MN.TRI.HHE. 2023-03-16T19:43:23.70 0.6 undecidable manual S 183 34.4433 99 -0.05 47
OX.BOO.HNE. 2023-03-16T19:43:23.07 0.3 undecidable manual P 302 62.6928 94 -0.07 68
RF.GEPF.HHZ. 2023-03-16T19:43:22.44 3.0 positive manual P -0.06 0
IV.PTCC.HHZ. 2023-03-16T19:43:21.79 0.1 undecidable manual P 322 54.6009 95 -0.1 91
OX.PRED.HHE. 2023-03-16T19:43:21.28 0.1 undecidable manual P 340 50.1165 95 0.07 92
NI.VINO.HHZ. 2023-03-16T19:43:20.72 0.1 undecidable manual P 304 47.3193 95 -0.06 93
SL.LJU.BHZ. 2023-03-16T19:43:20.40 3.0 undecidable manual P -0.59 0
OX.BAD.HNE. 2023-03-16T19:43:20.92 0.3 undecidable manual P 300 48.2184 95 0 70
OX.DRE.HHZ. 2023-03-16T19:43:19.60 0.3 undecidable manual S 327 20.4684 110 -0.52 67
OX.SABO.HHZ. 2023-03-16T19:43:18.20 0.1 undecidable manual S 254 12.4764 128 -0.06 100
MN.TRI.HHE. 2023-03-16T19:43:18.48 0.1 undecidable manual P 183 34.4433 99 -0.33 89
OX.SABO.HHZ. 2023-03-16T19:43:16.11 0.1 negative manual P 254 12.4764 128 0.47 90
OX.DRE.HHZ. 2023-03-16T19:43:16.85 0.1 undecidable manual P 327 20.4684 110 0.14 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
OX.SABO.HNE. ML:0.0 0.0012050000000000001 0.16 AML other m 2023-03-16T19:43:18.28
OX.SABO.HHE. ML:0.0 0.00029499999999999996 0.14 AML other m 2023-03-16T19:43:18.27
OX.SABO.HNN. ML:0.0 0.0009572401 0.1792 AML other m 2023-03-16T19:43:18.21
OX.SABO.HHN. ML:0.0 0.0002735611 0.1536 AML other m 2023-03-16T19:43:18.21
OX.DRE.HHE. ML:0.0 0.00078076885 0.1408 AML other m 2023-03-16T19:43:19.66
OX.DRE.HHN. ML:0.0 0.00100595165 0.1024 AML other m 2023-03-16T19:43:19.85
NI.VINO.HHE. ML:0.0 0.00003117013 0.1024 AML other m 2023-03-16T19:43:27.44
NI.VINO.HHN. ML:0.0 0.000020294447774999997 0.576 AML other m 2023-03-16T19:43:27.45
IV.PTCC.HHE. ML:0.0 0.0000131868165 1.8432 AML other m 2023-03-16T19:43:28.52
IV.PTCC.HHN. ML:0.0 0.000008363037 0.6784 AML other m 2023-03-16T19:43:29.61
OX.DRE.HNN. ML:2.1 0.0008720707999999999 0.1024 AML other m 2023-03-16T19:43:19.85
OX.DRE.HNE. ML:2.0 0.0006904188 0.1408 AML other m 2023-03-16T19:43:19.66
NI.VINO.HNN. ML:3.7 0.0128191925 0.896 AML other m 2023-03-16T19:43:26.91
NI.VINO.HNE. ML:3.5 0.0084554026 2.2016 AML other m 2023-03-16T19:43:26.65
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
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