Earthquake with magnitude of ML 1.7 on date 18-03-2023 and time 15:43:46 (UTC) in region Confine Italia Slovenia (SLOVENIA)

A magnitude ML 1.7 earthquake occured in region: Confine Italia Slovenia (SLOVENIA), on

  • 18-03-2023 15:43:46 (UTC)
  • 18-03-2023 16:43:46 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.1170, 13.7950 at 10 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
Drenchia UD 15 115 115
Grimacco UD 16 342 457
Stregna UD 17 356 813

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km E of Udine (99169 inhabitants)
52 Km N of Trieste (204420 inhabitants)
89 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 1.7 2023-03-18
15:43:46
46.1173 13.7948 10 2024-03-01
17:18:12
Bollettino Sismico Italiano INGV 118655201
Reviewed
Rev100
ML 1.9 2023-03-18
15:43:46
46.1252 13.7877 10 2023-03-18
15:59:20
Sala Sismica INGV-Roma 115509581
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-18 15:43:46 ± 0.16
Latitude 46.1173 ± 0.0072
Longitude 13.7948 ± 0.0104
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 118655201

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 933
Semi-minor axis of confidence ellipse (meter) 262
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 228
Circular confidence region, given by single value of horizontal uncertainty (meter) 930.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 122
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 27
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.39
Epicentral distance of station closest to the epicenter (degree) 0.11781
Epicentral distance of station farthest from the epicenter (degree) 1.18531
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 31
Type of magnitude ML
Reference to an origin 118655201
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-12-19 11:58:24

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 115509581
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-18 15:59:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
SL.BOJS.BHZ. 2023-03-18T15:44:24.83 0.6 undecidable manual S 121 131.5683 50 0.39 37
OX.VARN.HHZ. 2023-03-18T15:44:09.42 1.0 undecidable manual P 265 130.7691 50 1.07 14
SL.BOJS.BHZ. 2023-03-18T15:44:09.36 0.6 undecidable manual P 121 131.5683 50 0.89 31
OX.FUSE.HHE. 2023-03-18T15:44:08.42 0.3 undecidable manual S 299 69.1752 50 0.63 58
OX.MPRI.HHZ. 2023-03-18T15:44:07.24 0.3 undecidable manual S 283 63.492 50 0.98 51
OX.PLRO.HHZ. 2023-03-18T15:44:07.95 0.3 undecidable manual S 314 68.8755 50 0.24 65
SL.LJU.BHZ. 2023-03-18T15:44:04.69 0.3 undecidable manual S 98 56.9985 50 0.16 67
NI.DST2.HNZ. 2023-03-18T15:44:03.11 0.3 undecidable manual S 179 50.8158 50 0.22 67
OX.ACOM.HHZ. 2023-03-18T15:44:02.88 0.3 undecidable manual S 336 52.4031 50 -0.42 64
OX.BAD.HHE. 2023-03-18T15:44:01.28 0.1 undecidable manual S 287 44.2224 50 0.15 92
IV.PTCC.HHZ. 2023-03-18T15:44:01.58 0.1 undecidable manual S 314 46.7199 50 -0.2 91
MN.TRI.HHZ. 2023-03-18T15:44:00.40 0.3 undecidable manual S 183 45.3213 50 -1.03 51
NI.VINO.HHZ. 2023-03-18T15:44:00.57 0.1 undecidable manual S 291 42.624 50 -0.13 93
OX.PLRO.HHZ. 2023-03-18T15:43:58.92 0.1 undecidable manual P 314 68.8755 50 0.11 89
OX.MPRI.HHZ. 2023-03-18T15:43:58.21 0.1 undecidable manual P 283 63.492 50 0.23 87
OX.FUSE.HHE. 2023-03-18T15:43:58.65 0.3 undecidable manual P 299 69.1752 50 -0.21 65
SL.LJU.BHZ. 2023-03-18T15:43:57.46 0.3 undecidable manual P 98 56.9985 50 0.49 63
OX.ACOM.HHZ. 2023-03-18T15:43:55.91 0.3 undecidable manual P 336 52.4031 50 -0.36 65
NI.DST2.HNZ. 2023-03-18T15:43:55.70 0.3 undecidable manual P 179 50.8158 50 -0.33 66
IV.PTCC.HHZ. 2023-03-18T15:43:55.36 0.6 undecidable manual P 314 46.7199 50 -0.03 47
NI.VINO.HHZ. 2023-03-18T15:43:54.44 0.1 undecidable manual P 291 42.624 50 -0.33 89
OX.BAD.HHE. 2023-03-18T15:43:54.76 0.1 undecidable manual P 287 44.2224 50 -0.25 90
OX.SABO.HHZ. 2023-03-18T15:43:54.44 0.1 undecidable manual S 221 18.9699 118 0.3 93
MN.TRI.HHZ. 2023-03-18T15:43:53.81 0.3 undecidable manual P 183 45.3213 50 -1.38 43
OX.DRE.HHZ. 2023-03-18T15:43:52.14 0.1 undecidable manual S 298 13.0758 128 -0.27 95
OX.SABO.HHZ. 2023-03-18T15:43:51.19 0.1 undecidable manual P 221 18.9699 118 0.21 95
OX.DRE.HHZ. 2023-03-18T15:43:50.00 0.1 undecidable manual P 298 13.0758 128 0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
OX.DRE.HHN. ML:2.2 0.0015398348 0.1152 AML other m 2023-03-18T15:43:52.40
OX.DRE.HNN. ML:2.1 0.0013319272500000002 0.1408 AML other m 2023-03-18T15:43:52.40
OX.DRE.HHE. ML:2.0 0.00109029575 0.1152 AML other m 2023-03-18T15:43:53.27
OX.DRE.HNE. ML:1.9 0.00094398785 0.1152 AML other m 2023-03-18T15:43:53.27
OX.SABO.HNE. ML:2.3 0.0016005112499999999 0.2176 AML other m 2023-03-18T15:43:54.64
OX.SABO.HHN. ML:1.8 0.0005035 0.22 AML other m 2023-03-18T15:43:54.66
OX.SABO.HNN. ML:2.4 0.0018227595000000001 0.2432 AML other m 2023-03-18T15:43:54.68
OX.SABO.HHE. ML:1.6 0.00029336099999999996 0.192 AML other m 2023-03-18T15:43:55.62
NI.VINO.HHE. ML:1.7 0.000152758155 0.2944 AML other m 2023-03-18T15:44:01.11
MN.TRI.HHN. ML:1.1 0.000038650000000000004 1.14 AML other m 2023-03-18T15:44:01.35
MN.TRI.HHE. ML:1.4 0.0000775 1.08 AML other m 2023-03-18T15:44:01.99
NI.VINO.HHN. ML:1.8 0.00020862940000000003 0.1152 AML other m 2023-03-18T15:44:01.56
IV.PTCC.HHN. ML:1.2 0.000051472175 0.1024 AML other m 2023-03-18T15:44:02.63
IV.PTCC.HHE. ML:1.3 0.000052999465000000004 0.0768 AML other m 2023-03-18T15:44:02.77
OX.ACOM.HHN. ML:1.2 0.00003705 0.54 AML other m 2023-03-18T15:44:03.93
OX.ACOM.HHE. ML:1.5 0.00008245 1.36 AML other m 2023-03-18T15:44:04.75
OX.ACOM.HNE. ML:1.6 0.000090159195 0.4224 AML other m 2023-03-18T15:44:04.58
SL.LJU.BHE. ML:2.5 0.0007794999999999999 0.3 AML other m 2023-03-18T15:44:05.41
SL.LJU.BHN. ML:2.7 0.00108 0.2 AML other m 2023-03-18T15:44:06.26
OX.PLRO.HHN. ML:1.5 0.000053365019999999996 0.2432 AML other m 2023-03-18T15:44:08.60
OX.MPRI.HHE. ML:1.3 0.0000353 0.56 AML other m 2023-03-18T15:44:08.64
OX.MPRI.HHN. ML:1.4 0.00004741152 0.32 AML other m 2023-03-18T15:44:09.93
OX.PLRO.HNN. ML:1.8 0.00011388666 0.2048 AML other m 2023-03-18T15:44:10.23
OX.PLRO.HHE. ML:1.4 0.00004605 0.26 AML other m 2023-03-18T15:44:10.84
OX.MPRI.HNN. ML:1.4 0.000051275045 0.6528 AML other m 2023-03-18T15:44:12.01
SL.BOJS.BHE. ML:1.9 0.00004811142 0.2048 AML other m 2023-03-18T15:44:27.44
SL.BOJS.BHN. ML:1.9 0.000050358650000000006 0.192 AML other m 2023-03-18T15:44:28.19
OX.VARN.HHN. ML:1.7 0.0000317 0.36 AML other m 2023-03-18T15:44:28.97
OX.VARN.HHE. ML:1.8 0.00004615 0.26 AML other m 2023-03-18T15:44:30.17
OX.VARN.HNE. ML:1.9 0.000052103165000000004 0.384 AML other m 2023-03-18T15:44:31.85
OX.VARN.HNN. ML:1.8 0.000041442504999999995 0.384 AML other m 2023-03-18T15:44:33.08
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