Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.8 on date 11-09-2022 and time 19:57:25 (Italy) in region Confine Italia Slovenia (SLOVENIA)

A magnitude ML 0.8 earthquake occured in region: Confine Italia Slovenia (SLOVENIA), on

  • 11-09-2022 17:57:25 (UTC)
  • 11-09-2022 19:57:25 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.2770, 13.7820 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.

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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 17 115 115
Grimacco UD 20 342 457

Municipalities with at least 50000 inhabitants

An earthquake occurred to
48 Km E of Udine (99169 inhabitants)
70 Km N of Trieste (204420 inhabitants)
94 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 0.8 2022-09-11
17:57:25		 46.2772 13.7823 9 2022-09-11
18:06:00		 Sala Sismica INGV-Roma 109611731
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-09-11 17:57:25 ± 0.35
Latitude 46.2772 ± 0.0072
Longitude 13.7823 ± 0.0273
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 109611731

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2090
Semi-minor axis of confidence ellipse (meter) 179
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 262
Circular confidence region, given by single value of horizontal uncertainty (meter) 2090.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 234
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.35074
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 109611731
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-09-11 18:06:00
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OX.TRI.HHZ. 2022-09-11T17:57:44.65 3.0 undecidable manual S 0
OX.ACOM.HHZ. 2022-09-11T17:57:39.04 0.3 undecidable manual S 326 36.4413 50 0.97 55
NI.VINO.HHZ. 2022-09-11T17:57:38.92 0.3 undecidable manual S 266 38.9277 50 0.17 71
OX.SABO.HHZ. 2022-09-11T17:57:37.53 0.3 undecidable manual S 200 34.1436 50 0.07 73
IV.PTCC.HHZ. 2022-09-11T17:57:37.61 0.3 undecidable manual S 294 35.8419 50 -0.31 69
OX.TRI.HHZ. 2022-09-11T17:57:35.48 3.0 undecidable manual P 0
OX.PRED.HNZ. 2022-09-11T17:57:34.25 0.3 undecidable manual S 318 24.753 109 -0.22 72
OX.ACOM.HHZ. 2022-09-11T17:57:32.83 0.6 undecidable manual P 326 36.4413 50 0.13 48
IV.PTCC.HHZ. 2022-09-11T17:57:32.05 0.3 undecidable manual P 294 35.8419 50 -0.56 65
NI.VINO.HHZ. 2022-09-11T17:57:32.92 0.3 undecidable manual P 266 38.9277 50 -0.17 71
OX.SABO.HHZ. 2022-09-11T17:57:31.98 0.3 undecidable manual P 200 34.1436 50 -0.37 69
OX.DRE.HHZ. 2022-09-11T17:57:31.68 0.3 undecidable manual S 222 15.5733 119 0.12 75
OX.PRED.HNZ. 2022-09-11T17:57:30.59 0.1 undecidable manual P 318 24.753 109 -0.03 100
OX.DRE.HHZ. 2022-09-11T17:57:29.24 0.1 undecidable manual P 222 15.5733 119 0.3 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
OX.DRE.HHN. ML:1.0 0.00010472087499999999 0.1792 AML other m 2022-09-11T17:57:31.88
OX.DRE.HHE. ML:1.2 0.00016401937 0.1664 AML other m 2022-09-11T17:57:31.89
IV.PTCC.HHE. ML:0.7 0.00002025381 0.2176 AML other m 2022-09-11T17:57:38.21
IV.PTCC.HHN. ML:0.7 0.000022209555 0.2048 AML other m 2022-09-11T17:57:38.15
OX.ACOM.HHE. ML:0.6 0.000016881985 0.3072 AML other m 2022-09-11T17:57:40.45
OX.ACOM.HHN. ML:0.7 0.000017550575 0.1792 AML other m 2022-09-11T17:57:40.44
OX.DRE.HNE. ML:1.3 0.00018922565 0.2432 AML other m 2022-09-11T17:57:31.90
OX.DRE.HNN. ML:1.0 0.00010023008 0.1792 AML other m 2022-09-11T17:57:31.88
OX.SABO.HHE. ML:0.8 0.0000241907575 0.2688 AML other m 2022-09-11T17:57:39.39
OX.SABO.HHN. ML:0.6 0.0000174645625 0.2048 AML other m 2022-09-11T17:57:39.14
OX.SABO.HNE. ML:1.3 0.00008299934 0.2304 AML other m 2022-09-11T17:57:38.13
OX.SABO.HNN. ML:1.3 0.000081073735 0.2048 AML other m 2022-09-11T17:57:38.57
NI.VINO.HHE. ML:0.4 0.000007546418500000001 0.1664 AML other m 2022-09-11T17:57:39.39
NI.VINO.HHN. ML:0.4 0.000010393632499999999 0.1152 AML other m 2022-09-11T17:57:39.38
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