Earthquake with magnitude of ML 1.4 on date 09-08-2023 and time 13:59:27 (Italy) in region Confine Italia Slovenia (SLOVENIA)

A magnitude ML 1.4 earthquake occured in region: Confine Italia Slovenia (SLOVENIA), on

  • 09-08-2023 11:59:27 (UTC)
  • 09-08-2023 13:59:27 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.0600, 13.7040 at 9 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

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Stregna UD 12 356 356
San Floriano del Collio GO 13 796 1152
Grimacco UD 14 342 1494
Drenchia UD 14 115 1609
Gorizia GO 15 34844 36453
San Leonardo UD 15 1129 37582
Savogna UD 17 411 37993
Prepotto UD 17 769 38762
Dolegna del Collio GO 18 370 39132
Mossa GO 18 1584 40716
San Pietro al Natisone UD 18 2171 42887
Capriva del Friuli GO 20 1713 44600
San Lorenzo Isontino GO 20 1564 46164

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km E of Udine (99169 inhabitants)
46 Km N of Trieste (204420 inhabitants)
81 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
Reviewed
Rev100
ML 1.4 2023-08-09
11:59:27
46.0602 13.7043 9 2023-08-09
12:09:33
Sala Sismica INGV-Roma 119968591
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-08-09 11:59:27 ± 0.13
Latitude 46.0602 ± 0.0054
Longitude 13.7043 ± 0.0181
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 119968591

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1469
Semi-minor axis of confidence ellipse (meter) 258
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 258
Circular confidence region, given by single value of horizontal uncertainty (meter) 1470.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 184
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
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) 0.08723
Epicentral distance of station farthest from the epicenter (degree) 0.42358
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.4
Num. used stations 12
Type of magnitude ML
Reference to an origin 119968591
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-08-09 12:09:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
MN.TRI.HHE. 2023-08-09T11:59:40.89 0.6 undecidable manual S 173 39.2274 50 0.34 45
NI.VINO.HHZ. 2023-08-09T11:59:40.69 0.6 undecidable manual S 303 39.3273 50 0.11 47
NI.DST2.HHE. 2023-08-09T11:59:36.10 0.1 undecidable manual P 170 45.1215 50 0.31 89
IV.PTCC.HHZ. 2023-08-09T11:59:36.16 0.6 undecidable manual P 325 47.0196 50 0.09 46
OX.PRED.HHE. 2023-08-09T11:59:35.38 0.1 undecidable manual P 346 43.8228 50 -0.2 91
NI.VINO.HHZ. 2023-08-09T11:59:34.77 0.6 undecidable manual P 303 39.3273 50 -0.13 47
MN.TRI.HHE. 2023-08-09T11:59:34.51 0.1 undecidable manual P 173 39.2274 50 -0.37 89
OX.DRE.HHZ. 2023-08-09T11:59:32.99 0.6 undecidable manual S 340 13.3755 124 0.3 47
OX.SABO.HHZ. 2023-08-09T11:59:31.70 0.6 undecidable manual S 214 9.6792 132 0.01 50
OX.DRE.HHZ. 2023-08-09T11:59:30.35 0.1 positive manual P 340 13.3755 124 0.01 100
OX.SABO.HHZ. 2023-08-09T11:59:29.52 0.6 negative manual P 214 9.6792 132 -0.24 48
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
OX.SABO.HHN. ML:2.0 0.0012749999999999999 0.6 AML other m 2023-08-09T11:59:32.35
OX.SABO.HNN. ML:2.6 0.00492 0.58 AML other m 2023-08-09T11:59:32.06
OX.SABO.HNE. ML:2.1 0.0019 0.52 AML other m 2023-08-09T11:59:32.94
OX.SABO.HHE. ML:1.5 0.00042699999999999997 0.48 AML other m 2023-08-09T11:59:32.95
OX.DRE.HNE. ML:1.3 0.00022999999999999998 0.76 AML other m 2023-08-09T11:59:34.44
OX.DRE.HHE. ML:1.4 0.0002445 0.4 AML other m 2023-08-09T11:59:34.24
OX.DRE.HHN. ML:1.5 0.000357 0.7 AML other m 2023-08-09T11:59:34.23
OX.DRE.HNN. ML:1.5 0.0003465 0.7 AML other m 2023-08-09T11:59:34.23
NI.VINO.HHN. ML:1.2 0.000051250000000000006 0.32 AML other m 2023-08-09T11:59:41.02
NI.VINO.HHE. ML:1.0 0.000042250000000000004 1.14 AML other m 2023-08-09T11:59:41.99
IV.PTCC.HHN. ML:0.8 0.000020150000000000002 0.7 AML other m 2023-08-09T11:59:43.65
IV.PTCC.HHE. ML:0.8 0.00001865 1.32 AML other m 2023-08-09T11:59:44.76
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