Earthquake with magnitude of ML 1.4 on date 04-03-2023 and time 13:30:00 (UTC) in region 7 km SE Tarvisio (UD)

A magnitude ML 1.4 earthquake occured in region: 7 km SE Tarvisio (UD), on

  • 04-03-2023 13:30:00 (UTC)
  • 04-03-2023 14:30:00 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.4720, 13.6470 at 8 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
Tarvisio UD 7 4326 4326
Malborghetto Valbruna UD 16 951 5277

Municipalities with at least 50000 inhabitants

An earthquake occurred to
55 Km NE of Udine (99169 inhabitants)
92 Km N of Trieste (204420 inhabitants)
95 Km NE 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 2023-03-04
13:30:00
46.4725 13.6468 8 2024-03-01
17:18:18
Bollettino Sismico Italiano INGV 123337041
Reviewed
Rev100
ML 1.4 2023-03-04
13:30:00
46.4728 13.6373 6 2023-03-04
13:44:05
Sala Sismica INGV-Roma 114987771
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-04 13:30:00 ± 0.23
Latitude 46.4725 ± 0.0081
Longitude 13.6468 ± 0.0157
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 123337041

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1389
Semi-minor axis of confidence ellipse (meter) 627
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 59
Circular confidence region, given by single value of horizontal uncertainty (meter) 1390.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 230
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.06385
Epicentral distance of station farthest from the epicenter (degree) 0.54769
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 114987771
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-04 13:44:05

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 123337041
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-11-22 16:30:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OX.SABO.HHE. 2023-03-04T13:30:18.92 0.6 undecidable manual S 181 53.8017 50 0.86 37
OX.FUSE.HHZ. 2023-03-04T13:30:17.39 0.6 undecidable manual S 263 49.8168 50 0.4 44
NI.VINO.HHZ. 2023-03-04T13:30:13.49 0.6 undecidable manual S 230 37.3293 50 -0.19 47
OX.PLRO.HHZ. 2023-03-04T13:30:13.33 0.6 undecidable manual S 283 39.0276 50 -0.79 39
NI.PALA.HHZ. 2023-03-04T13:30:12.27 0.3 undecidable manual P 246 60.7947 50 0.56 61
OX.DRE.HHZ. 2023-03-04T13:30:11.85 0.6 undecidable manual S 180 33.1446 103 -0.43 45
OX.FUSE.HHZ. 2023-03-04T13:30:10.00 0.3 undecidable manual P 263 49.8168 50 -0.01 71
OX.SABO.HHE. 2023-03-04T13:30:10.77 0.3 undecidable manual P 181 53.8017 50 0.14 69
IV.PTCC.HHZ. 2023-03-04T13:30:09.09 0.6 undecidable manual S 252 23.5542 108 0.05 49
OX.PLRO.HHZ. 2023-03-04T13:30:08.21 0.1 undecidable manual P 283 39.0276 50 -0.14 94
NI.VINO.HHZ. 2023-03-04T13:30:07.81 0.1 undecidable manual P 230 37.3293 50 -0.29 91
OX.DRE.HHZ. 2023-03-04T13:30:06.94 0.1 undecidable manual P 180 33.1446 103 -0.35 91
IV.PTCC.HHZ. 2023-03-04T13:30:05.41 0.1 undecidable manual P 252 23.5542 108 -0.01 99
OX.ACOM.HHZ. 2023-03-04T13:30:05.72 0.6 undecidable manual S 310 13.1757 120 -0.02 50
OX.PRED.HHE. 2023-03-04T13:30:04.16 0.6 undecidable manual S 242 7.0929 137 0.1 50
OX.ACOM.HHZ. 2023-03-04T13:30:03.57 0.1 negative manual P 310 13.1757 120 0.06 100
OX.PRED.HHE. 2023-03-04T13:30:02.81 0.1 undecidable manual P 242 7.0929 137 0.26 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
OX.ACOM.HHE. ML:1.6 0.000489 0.38 AML other m 2023-03-04T13:30:06.02
OX.ACOM.HNE. ML:1.6 0.00045999999999999996 0.38 AML other m 2023-03-04T13:30:06.21
OX.ACOM.HNN. ML:1.5 0.0003345 0.68 AML other m 2023-03-04T13:30:06.63
OX.ACOM.HHN. ML:1.5 0.0003345 0.68 AML other m 2023-03-04T13:30:06.63
IV.PTCC.HHE. ML:1.0 0.0000701 0.66 AML other m 2023-03-04T13:30:09.20
IV.PTCC.HHN. ML:1.0 0.000059300000000000005 0.12 AML other m 2023-03-04T13:30:12.52
OX.DRE.HHN. ML:1.4 0.00011094999999999999 0.82 AML other m 2023-03-04T13:30:12.94
OX.DRE.HHE. ML:1.4 0.0001255 1.42 AML other m 2023-03-04T13:30:13.88
NI.VINO.HHN. ML:1.2 0.0000609 0.42 AML other m 2023-03-04T13:30:13.67
NI.VINO.HHE. ML:1.3 0.00008185000000000001 0.3 AML other m 2023-03-04T13:30:14.01
OX.PLRO.HHN. ML:1.9 0.000258 0.7 AML other m 2023-03-04T13:30:14.28
OX.PLRO.HHE. ML:1.7 0.000168 0.64 AML other m 2023-03-04T13:30:15.37
OX.FUSE.HHE. ML:1.1 0.000036450000000000005 1.2 AML other m 2023-03-04T13:30:18.85
OX.FUSE.HHN. ML:1.4 0.000059800000000000003 0.46 AML other m 2023-03-04T13:30:22.38
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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