Earthquake with magnitude of ML 1.5 on date 31-01-2023 and time 17:29:26 (Italy) in region Confine Italia Slovenia (SLOVENIA)

A magnitude ML 1.5 earthquake occured in region: Confine Italia Slovenia (SLOVENIA), on

  • 31-01-2023 16:29:26 (UTC)
  • 31-01-2023 17:29:26 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.2150, 13.4420 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
Pulfero UD 6 962 962
Taipana UD 9 636 1598
Torreano UD 9 2139 3737
Savogna UD 9 411 4148
Faedis UD 10 2945 7093
San Pietro al Natisone UD 10 2171 9264
Attimis UD 11 1805 11069
San Leonardo UD 12 1129 12198
Cividale del Friuli UD 13 11292 23490
Grimacco UD 13 342 23832
Nimis UD 14 2740 26572
Stregna UD 14 356 26928
Moimacco UD 14 1675 28603
Drenchia UD 15 115 28718
Lusevera UD 15 643 29361
Povoletto UD 15 5471 34832
Tarcento UD 17 9012 43844
Reana del Rojale UD 17 4966 48810
Remanzacco UD 17 6185 54995
Premariacco UD 18 4163 59158
Tricesimo UD 19 7600 66758
Prepotto UD 19 769 67527

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km NE of Udine (99169 inhabitants)
67 Km E of Pordenone (51229 inhabitants)
68 Km NW of Trieste (204420 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 1.5 2023-01-31
16:29:26
46.2148 13.4417 10 2024-03-01
17:17:57
Bollettino Sismico Italiano INGV 114938161
Reviewed
Rev100
ML 1.5 2023-01-31
16:29:26
46.2173 13.4433 9 2023-01-31
16:38:20
Sala Sismica INGV-Roma 113939141
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-01-31 16:29:26 ± 0.07
Latitude 46.2148 ± 0.0045
Longitude 13.4417 ± 0.0052
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 114938161

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 548
Semi-minor axis of confidence ellipse (meter) 291
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 198
Circular confidence region, given by single value of horizontal uncertainty (meter) 550.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 125
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) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.12141
Epicentral distance of station farthest from the epicenter (degree) 0.52700
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 114938161
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-03-02 11:16:02

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 113939141
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-01-31 16:38:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OX.CLUD.HHZ. 2023-01-31T16:29:43.24 0.6 undecidable manual S 302 50.616 50 0.27 44
NI.PALA.HHZ. 2023-01-31T16:29:40.82 0.6 undecidable manual S 275 39.8268 50 0.72 40
OX.FUSE.HHZ. 2023-01-31T16:29:40.23 0.3 undecidable manual S 303 40.3263 50 0 72
OX.ACOM.HHZ. 2023-01-31T16:29:40.06 0.6 undecidable manual S 8 37.3293 50 0.63 41
OX.MPRI.HHE. 2023-01-31T16:29:39.50 0.6 undecidable manual S 275 34.9428 50 0.71 40
OX.SABO.HHZ. 2023-01-31T16:29:37.33 0.6 undecidable manual S 150 29.2485 50 0.07 48
NI.PURA.HHZ. 2023-01-31T16:29:37.27 0.3 undecidable manual P 294 58.497 50 -0.04 69
OX.BOO.HHE. 2023-01-31T16:29:36.64 0.3 undecidable manual S 294 28.749 50 -0.5 66
IV.STAL.HNZ. 2023-01-31T16:29:36.62 0.3 undecidable manual P 275 56.2992 50 -0.36 65
OX.PRED.HHE. 2023-01-31T16:29:36.59 0.6 undecidable manual S 20 26.9508 50 -0.07 48
IV.PTCC.HHZ. 2023-01-31T16:29:35.02 0.6 undecidable manual S 343 22.3554 114 -0.18 48
OX.CLUD.HHZ. 2023-01-31T16:29:35.70 0.3 undecidable manual P 302 50.616 50 -0.4 65
OX.ACOM.HHZ. 2023-01-31T16:29:34.26 0.1 undecidable manual P 8 37.3293 50 0.2 92
NI.PALA.HHZ. 2023-01-31T16:29:34.45 0.3 undecidable manual P 275 39.8268 50 0.01 72
OX.FUSE.HHZ. 2023-01-31T16:29:34.42 0.3 undecidable manual P 303 40.3263 50 -0.1 70
OX.BAD.HHE. 2023-01-31T16:29:33.02 0.1 undecidable manual S 278 15.3735 123 -0.01 100
OX.DRE.HHZ. 2023-01-31T16:29:33.35 0.6 undecidable manual S 106 16.2726 121 0.04 50
OX.MPRI.HHE. 2023-01-31T16:29:33.86 0.3 undecidable manual P 275 34.9428 50 0.17 70
NI.VINO.HHZ. 2023-01-31T16:29:32.51 0.1 undecidable manual S 289 13.4754 126 0.02 100
OX.PRED.HHE. 2023-01-31T16:29:32.35 0.1 undecidable manual P 20 26.9508 50 -0.11 96
OX.BOO.HHE. 2023-01-31T16:29:32.37 0.1 undecidable manual P 294 28.749 50 -0.36 91
OX.SABO.HHZ. 2023-01-31T16:29:32.65 0.1 undecidable manual P 150 29.2485 50 -0.15 95
IV.PTCC.HHZ. 2023-01-31T16:29:31.57 0.1 negative manual P 343 22.3554 114 -0.04 98
RF.GEPF.HHZ. 2023-01-31T16:29:31.80 0.6 undecidable manual P 286 24.1536 112 -0.14 48
OX.DRE.HHZ. 2023-01-31T16:29:30.61 0.1 positive manual P 106 16.2726 121 0.09 98
NI.VINO.HHZ. 2023-01-31T16:29:30.21 0.1 negative manual P 289 13.4754 126 0.16 97
OX.BAD.HHE. 2023-01-31T16:29:30.50 0.1 positive manual P 278 15.3735 123 0.14 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
NI.VINO.HHE. ML:1.7 0.0005585 0.18 AML other m 2023-01-31T16:29:32.64
NI.VINO.HHN. ML:1.6 0.000375 0.26 AML other m 2023-01-31T16:29:32.82
OX.DRE.HHE. ML:1.5 0.0002985 1.08 AML other m 2023-01-31T16:29:33.76
OX.DRE.HNE. ML:1.5 0.000265 1.08 AML other m 2023-01-31T16:29:33.76
OX.DRE.HHN. ML:1.6 0.00033150000000000003 0.94 AML other m 2023-01-31T16:29:33.93
OX.DRE.HNN. ML:1.6 0.0003265 0.94 AML other m 2023-01-31T16:29:33.93
IV.PTCC.HHN. ML:1.1 0.0000889 0.3 AML other m 2023-01-31T16:29:35.16
IV.PTCC.HHE. ML:1.0 0.000057499999999999995 0.68 AML other m 2023-01-31T16:29:35.26
RF.GEPF.HHN. ML:1.0 0.00006604999999999999 0.46 AML other m 2023-01-31T16:29:36.24
RF.GEPF.HHE. ML:1.1 0.00008505000000000001 0.32 AML other m 2023-01-31T16:29:36.43
OX.SABO.HHE. ML:1.7 0.000249 0.24 AML other m 2023-01-31T16:29:37.60
OX.SABO.HNE. ML:2.3 0.0010394999999999998 0.24 AML other m 2023-01-31T16:29:37.60
OX.SABO.HHN. ML:1.8 0.00029949999999999996 0.92 AML other m 2023-01-31T16:29:39.04
OX.SABO.HNN. ML:2.3 0.0010885 0.92 AML other m 2023-01-31T16:29:39.05
OX.FUSE.HHE. ML:1.1 0.0000435 0.6 AML other m 2023-01-31T16:29:41.14
OX.FUSE.HHN. ML:1.2 0.00005435 0.74 AML other m 2023-01-31T16:29:42.42
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