Earthquake with magnitude of ML 1.6 on date 21-09-2023 and time 09:45:37 (UTC) in region Belluno (BL)

A magnitude ML 1.6 earthquake occured in region: Belluno (BL), on

  • 21-09-2023 09:45:37 (UTC)
  • 21-09-2023 11:45:37 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.1390, 12.2230 at 10 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
Belluno BL 0 35870 35870
Limana BL 5 5209 41079
Ponte nelle Alpi BL 7 8363 49442
Soverzene BL 10 389 49831
Sedico BL 10 9997 59828
Trichiana BL 10 4868 64696
Alpago BL 11 6994 71690
Sospirolo BL 12 3140 74830
Chies d'Alpago BL 13 1377 76207
Mel BL 14 5984 82191
Santa Giustina BL 15 6807 88998
Tambre BL 16 1371 90369
San Gregorio nelle Alpi BL 16 1613 91982
Longarone BL 16 5359 97341
Revine Lago TV 16 2208 99549
Fregona TV 17 3013 102562
Vittorio Veneto TV 17 28232 130794
Tarzo TV 18 4399 135193
Lentiai BL 19 3017 138210
Cesiomaggiore BL 19 4029 142239
Erto e Casso PN 20 387 142626
Cison di Valmarino TV 20 2647 145273
Rivamonte Agordino BL 20 634 145907
La Valle Agordina BL 20 1108 147015

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km NW of Pordenone (51229 inhabitants)
52 Km N of Treviso (83731 inhabitants)
78 Km SE of Bolzano (106441 inhabitants)
79 Km W of Udine (99169 inhabitants)
79 Km N of Venezia (263352 inhabitants)
84 Km NE of Vicenza (112953 inhabitants)
85 Km E of Trento (117317 inhabitants)
86 Km NE of Padova (210401 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 1.6 2023-09-21
09:45:37
46.1387 12.2233 10 2023-09-21
09:52:49
Sala Sismica INGV-Roma 121307181
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-09-21 09:45:37 ± 0.09
Latitude 46.1387 ± 0.0063
Longitude 12.2233 ± 0.0104
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 121307181

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 868
Semi-minor axis of confidence ellipse (meter) 464
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 233
Circular confidence region, given by single value of horizontal uncertainty (meter) 870.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 111
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.27160
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 121307181
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-09-21 09:52:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ROVR.HHZ. 2023-09-21T09:45:58.13 3.0 negative manual P 0 0
OX.MLN.HHZ. 2023-09-21T09:45:47.64 0.3 undecidable manual S 88 30.1476 50 -0.33 69
OX.CIMO.HHZ. 2023-09-21T09:45:46.32 0.1 undecidable manual S 41 25.6521 50 -0.44 91
NI.POLC.HHZ. 2023-09-21T09:45:46.76 0.3 undecidable manual S 120 24.6531 50 0.26 71
OX.AGOR.HHZ. 2023-09-21T09:45:45.58 0.3 undecidable manual S 320 20.9679 116 0.16 73
IV.STAL.HHZ. 2023-09-21T09:45:45.09 3.0 undecidable manual P -0.59 0
OX.CAE.HHZ. 2023-09-21T09:45:45.63 0.1 undecidable manual S 131 21.867 115 -0.09 99
OX.VARN.HHZ. 2023-09-21T09:45:44.28 0.1 undecidable manual S 209 18.5703 119 -0.42 93
NI.POLC.HHZ. 2023-09-21T09:45:43.01 0.1 undecidable manual P 120 24.6531 50 0.4 92
OX.MLN.HHZ. 2023-09-21T09:45:43.48 0.1 undecidable manual P 88 30.1476 50 0.02 99
IV.FREG.EHZ. 2023-09-21T09:45:43.70 0.1 undecidable manual S 154 15.7731 123 -0.15 98
OX.CAE.HHZ. 2023-09-21T09:45:42.39 0.1 undecidable manual P 131 21.867 115 0.23 96
OX.AGOR.HHZ. 2023-09-21T09:45:42.02 0.1 undecidable manual P 320 20.9679 116 0.03 100
OX.CIMO.HHZ. 2023-09-21T09:45:42.84 0.1 undecidable manual P 41 25.6521 50 0.08 98
IV.FREG.EHZ. 2023-09-21T09:45:41.28 0.1 undecidable manual P 154 15.7731 123 0.2 97
OX.VARN.HHZ. 2023-09-21T09:45:41.64 0.1 undecidable manual P 209 18.5703 119 0.06 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FREG.EHN. ML:1.9 0.0006745 0.62 AML other m 2023-09-21T09:45:45.40
OX.CAE.HHN. ML:1.2 0.000121 0.78 AML other m 2023-09-21T09:45:45.48
IV.FREG.EHE. ML:1.9 0.0007455000000000001 0.34 AML other m 2023-09-21T09:45:46.12
OX.CAE.HHE. ML:1.4 0.000187 0.38 AML other m 2023-09-21T09:45:46.36
NI.POLC.HHE. ML:1.6 0.00022499999999999997 0.42 AML other m 2023-09-21T09:45:47.39
NI.POLC.HHN. ML:1.5 0.00019700000000000002 0.18 AML other m 2023-09-21T09:45:47.71
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