Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 04-02-2019 and time 15:21:03 (UTC) in region Confine Italia Slovenia (SLOVENIA)

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

  • 04-02-2019 15:21:03 (UTC)
  • 04-02-2019 16:21:03 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.1440, 13.6510 at 11 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.

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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 4 115 115
Grimacco UD 5 342 457
Stregna UD 6 356 813
Savogna UD 9 411 1224
San Leonardo UD 10 1129 2353
San Pietro al Natisone UD 13 2171 4524
Pulfero UD 13 962 5486
Torreano UD 17 2139 7625
Prepotto UD 17 769 8394
Cividale del Friuli UD 18 11292 19686
Dolegna del Collio GO 18 370 20056
San Floriano del Collio GO 19 796 20852

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km E of Udine (99169 inhabitants)
56 Km N of Trieste (204420 inhabitants)
79 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 1.4 2019-02-04
15:21:03		 46.1445 13.6513 11 2019-08-22
08:25:03		 Bollettino Sismico Italiano INGV 69724621
Reviewed
Rev100 		ML 1.3 2019-02-04
15:21:03		 46.1105 13.585 22 2019-02-04
15:34:59		 Sala Sismica INGV-Roma 65210341
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-02-04 15:21:03 ± 0.33
Latitude 46.1445 ± 0.0171
Longitude 13.6513 ± 0.0506
Depth (km) 11 ± 5 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 69724621

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 3089
Semi-minor axis of confidence ellipse (meter) 2863
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 239
Circular confidence region, given by single value of horizontal uncertainty (meter) 3090.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 183
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) 0.43
Epicentral distance of station closest to the epicenter (degree) 0.15738
Epicentral distance of station farthest from the epicenter (degree) 0.46945
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 69724621
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-06-20 06:37:01

ML:1.3

Field Value
Value 1.3
Uncertainty 0.1
Num. used stations 8
Type of magnitude ML
Reference to an origin 65210341
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-02-04 15:34:59
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OX.ACOM.HHZ. 2019-02-04T15:21:19.02 0.6 undecidable manual S 347 46.0206 50 0.46 46
MN.TRI.HHZ. 2019-02-04T15:21:18.25 0.6 undecidable manual S 170 49.1175 50 -1.14 38
IV.PTCC.HHE. 2019-02-04T15:21:16.72 0.6 undecidable manual S 322 37.0296 50 0.55 44
NI.VINO.HHZ. 2019-02-04T15:21:14.04 0.3 undecidable manual S 293 31.3464 50 -0.6 69
OX.MPRI.HHN. 2019-02-04T15:21:13.52 0.3 undecidable manual P 282 52.1034 50 0.25 66
OX.ACOM.HHZ. 2019-02-04T15:21:12.34 0.1 undecidable manual P 347 46.0206 50 0.01 96
MN.TRI.HHZ. 2019-02-04T15:21:12.92 0.3 undecidable manual P 170 49.1175 50 0.11 68
OX.SABO.HHZ. 2019-02-04T15:21:11.07 0.3 undecidable manual S 184 17.4714 50 0.12 75
IV.PTCC.HHE. 2019-02-04T15:21:10.50 0.3 undecidable manual P 322 37.0296 50 -0.45 68
NI.VINO.HHZ. 2019-02-04T15:21:09.64 0.1 undecidable manual P 293 31.3464 50 -0.43 94
OX.SABO.HHZ. 2019-02-04T15:21:08.03 0.1 undecidable manual P 184 17.4714 50 0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
OX.SABO.HHN. ML:1.7 0.0003862719 0.1536 AML other m 2019-02-04T15:21:11.58
OX.SABO.HNN. ML:2.3 0.0015547459999999999 0.1536 AML other m 2019-02-04T15:21:11.51
OX.SABO.HHE. ML:1.9 0.0005979763000000001 0.1792 AML other m 2019-02-04T15:21:11.53
OX.SABO.HNE. ML:2.4 0.002307498 0.2048 AML other m 2019-02-04T15:21:11.55
NI.VINO.HHE. ML:1.1 0.000058066110000000004 0.1792 AML other m 2019-02-04T15:21:14.16
NI.VINO.HHN. ML:1.3 0.00008609956 0.2304 AML other m 2019-02-04T15:21:14.75
MN.TRI.HHN. ML:1.4 0.00006535327500000001 0.192 AML other m 2019-02-04T15:21:18.62
OX.ACOM.HNE. ML:1.4 0.00006253433999999999 1.408 AML other m 2019-02-04T15:21:19.13
MN.TRI.HHE. ML:1.3 0.000048405289999999995 0.2048 AML other m 2019-02-04T15:21:19.07
OX.ACOM.HHE. ML:1.2 0.000044154365 0.32 AML other m 2019-02-04T15:21:19.83
OX.ACOM.HNN. ML:1.3 0.00006117672 0.2784 AML other m 2019-02-04T15:21:20.27
OX.ACOM.HHN. ML:1.1 0.00003360656 0.2048 AML other m 2019-02-04T15:21:20.55
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