Earthquake with magnitude of ML 1.3 on date 25-10-2023 and time 16:31:58 (UTC) in region 2 km N Trichiana (BL)

A magnitude ML 1.3 earthquake occured in region: 2 km N Trichiana (BL), on

  • 25-10-2023 16:31:58 (UTC)
  • 25-10-2023 18:31:58 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.0890, 12.1400 at 8 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
Trichiana BL 2 4868 4868
Limana BL 3 5209 10077
Sedico BL 4 9997 20074
Mel BL 5 5984 26058
Santa Giustina BL 8 6807 32865
Sospirolo BL 8 3140 36005
Belluno BL 8 35870 71875
San Gregorio nelle Alpi BL 9 1613 73488
Lentiai BL 10 3017 76505
Cesiomaggiore BL 12 4029 80534
Revine Lago TV 13 2208 82742
Cison di Valmarino TV 13 2647 85389
Tarzo TV 15 4399 89788
Follina TV 15 3873 93661
Ponte nelle Alpi BL 16 8363 102024
Vittorio Veneto TV 16 28232 130256
Miane TV 17 3329 133585
Fregona TV 18 3013 136598
Soverzene BL 18 389 136987
Alpago BL 19 6994 143981
Refrontolo TV 19 1747 145728
Sagron Mis TN 19 193 145921
Feltre BL 19 20649 166570

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km W of Pordenone (51229 inhabitants)
48 Km N of Treviso (83731 inhabitants)
74 Km N of Venezia (263352 inhabitants)
76 Km SE of Bolzano (106441 inhabitants)
76 Km NE of Vicenza (112953 inhabitants)
79 Km N of Padova (210401 inhabitants)
79 Km E of Trento (117317 inhabitants)
85 Km W of Udine (99169 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 1.3 2023-10-25
16:31:58
46.0893 12.14 8 2023-10-25
16:41:09
Sala Sismica INGV-Roma 122386351
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-10-25 16:31:58 ± 0.04
Latitude 46.0893 ± 0.0027
Longitude 12.1400 ± 0.0039
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 122386351

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 289
Semi-minor axis of confidence ellipse (meter) 148
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 223
Circular confidence region, given by single value of horizontal uncertainty (meter) 290.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 71
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.09982
Epicentral distance of station farthest from the epicenter (degree) 0.44067
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 122386351
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-10-25 16:41:09
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
ST.ZIAN.EHZ. 2023-10-25T16:32:08.13 0.3 undecidable manual P 295 48.9177 50 0.03 71
OX.CAE.HHZ. 2023-10-25T16:32:07.60 0.6 undecidable manual S 111 24.6531 107 -0.03 49
OX.AGOR.HHZ. 2023-10-25T16:32:06.86 0.6 undecidable manual S 342 22.6551 109 -0.11 49
IV.CTI.HHZ. 2023-10-25T16:32:06.32 0.3 undecidable manual P 263 38.0286 50 -0.1 71
OX.CIMO.HHZ. 2023-10-25T16:32:05.57 0.1 undecidable manual P 43 34.0437 103 -0.1 96
IV.FREG.EHZ. 2023-10-25T16:32:04.76 0.3 undecidable manual S 123 15.873 115 -0.05 75
NI.POLC.HHE. 2023-10-25T16:32:04.76 0.3 undecidable manual P 104 28.6491 105 0.14 72
OX.AGOR.HHZ. 2023-10-25T16:32:03.60 0.1 undecidable manual P 342 22.6551 109 0.13 97
OX.VARN.HHZ. 2023-10-25T16:32:03.18 0.6 undecidable manual S 194 11.0778 124 -0.18 49
OX.CAE.HHZ. 2023-10-25T16:32:03.82 0.1 undecidable manual P 111 24.6531 107 -0.03 99
IV.FREG.EHZ. 2023-10-25T16:32:02.27 0.1 undecidable manual P 123 15.873 115 0.05 100
OX.VARN.HHZ. 2023-10-25T16:32:01.51 0.1 positive manual P 194 11.0778 124 0.12 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
OX.VARN.HHN. ML:1.3 0.00027049999999999996 0.86 AML other m 2023-10-25T16:32:03.39
OX.VARN.HNE. ML:1.5 0.000397 0.9 AML other m 2023-10-25T16:32:03.41
OX.VARN.HHE. ML:1.5 0.00044799999999999994 0.92 AML other m 2023-10-25T16:32:03.87
OX.VARN.HNN. ML:1.3 0.000252 1.14 AML other m 2023-10-25T16:32:03.88
IV.FREG.EHE. ML:1.4 0.00027449999999999995 0.64 AML other m 2023-10-25T16:32:06.79
IV.FREG.EHN. ML:1.4 0.000252 0.26 AML other m 2023-10-25T16:32:07.64
OX.CAE.HHN. ML:1.0 0.00005496123500000001 0.1536 AML other m 2023-10-25T16:32:08.26
OX.CAE.HHE. ML:1.2 0.0001083 0.3 AML other m 2023-10-25T16:32:08.67
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