Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 27-08-2023 and time 02:29:34 (UTC) in region 5 km N Fregona (TV)

A magnitude ML 1.6 earthquake occured in region: 5 km N Fregona (TV), on

  • 27-08-2023 02:29:34 (UTC)
  • 27-08-2023 04:29:34 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.0540, 12.3230 at 6 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.

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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
Fregona TV 5 3013 3013
Vittorio Veneto TV 7 28232 31245
Sarmede TV 10 3086 34331
Revine Lago TV 10 2208 36539
Cappella Maggiore TV 10 4710 41249
Tarzo TV 11 4399 45648
Tambre BL 12 1371 47019
Limana BL 12 5209 52228
Belluno BL 13 35870 88098
Colle Umberto TV 13 5111 93209
Alpago BL 13 6994 100203
Ponte nelle Alpi BL 13 8363 108566
Caneva PN 14 6424 114990
Cordignano TV 14 7020 122010
Polcenigo PN 14 3163 125173
Chies d'Alpago BL 14 1377 126550
Trichiana BL 15 4868 131418
Godega di Sant'Urbano TV 15 6062 137480
San Fior TV 15 6970 144450
Orsago TV 16 3873 148323
Budoia PN 16 2569 150892
San Pietro di Feletto TV 17 5321 156213
Cison di Valmarino TV 17 2647 158860
Soverzene BL 17 389 159249
Refrontolo TV 17 1747 160996
Sacile PN 18 19837 180833
San Vendemiano TV 18 10054 190887
Sedico BL 19 9997 200884
Conegliano TV 19 34891 235775
Mel BL 19 5984 241759
Fontanafredda PN 19 12205 253964
Follina TV 19 3873 257837

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km W of Pordenone (51229 inhabitants)
43 Km N of Treviso (83731 inhabitants)
69 Km N of Venezia (263352 inhabitants)
70 Km W of Udine (99169 inhabitants)
80 Km NE of Padova (210401 inhabitants)
82 Km NE of Vicenza (112953 inhabitants)
89 Km SE of Bolzano (106441 inhabitants)
93 Km E of Trento (117317 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 2023-08-27
02:29:34		 46.0542 12.3233 6 2023-08-27
02:59:18		 Sala Sismica INGV-Roma 120504871
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-08-27 02:29:34 ± 0.09
Latitude 46.0542 ± 0.0063
Longitude 12.3233 ± 0.0065
Depth (km) 6 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 120504871

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 672
Semi-minor axis of confidence ellipse (meter) 231
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 152
Circular confidence region, given by single value of horizontal uncertainty (meter) 670.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 82
Number of associated phases, regardless of their use for origin computation 44
Number of defining phases 35
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.37
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.06030
Number of stations at which the event was observed 30
Number of stations from which data was used for origin computation 21
Magnitude information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.4
Num. used stations 33
Type of magnitude ML
Reference to an origin 120504871
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-08-27 02:59:18
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VENT.EHZ. 2023-08-27T02:31:08.47 3.0 negative manual Pg 12.68 0
GU.RRL.HHZ. 2023-08-27T02:30:48.11 3.0 undecidable manual Pn 9.77 0
IV.FNVD.HHZ. 2023-08-27T02:30:41.04 3.0 undecidable manual Sg 1.4 0
IV.RIBO.EHZ.01 2023-08-27T02:30:26.69 3.0 undecidable manual Pn -0.58 0
IV.PIEI.HHZ. 2023-08-27T02:30:16.40 3.0 undecidable manual Pn -1.05 0
MN.TRI.HHZ. 2023-08-27T02:30:09.59 0.3 undecidable manual S 108 117.6933 50 -0.1 60
OX.SABO.HHZ. 2023-08-27T02:30:05.94 0.6 undecidable manual S 94 101.2209 50 0.64 36
SI.ABSI.HHZ. 2023-08-27T02:29:57.96 3.0 negative manual P 3.2 0
OX.FUSE.HHZ. 2023-08-27T02:29:56.19 0.6 undecidable manual S 52 65.5899 50 0.4 42
MN.TRI.HHZ. 2023-08-27T02:29:55.38 0.3 undecidable manual P 108 117.6933 50 0.48 56
OX.CLUD.HHZ. 2023-08-27T02:29:55.25 0.6 undecidable manual S 44 61.8936 50 0.45 42
OX.ACOM.HHZ. 2023-08-27T02:29:55.25 3.0 positive manual P 0.78 0
ST.VARA.EHZ. 2023-08-27T02:29:54.84 0.6 undecidable manual P 258 112.8981 50 0.66 35
SI.LUSI.HHZ. 2023-08-27T02:29:53.93 0.3 undecidable manual P 265 106.8153 50 0.69 52
OX.MPRI.HHZ. 2023-08-27T02:29:53.54 0.3 undecidable manual S 68 55.1004 50 0.55 61
OX.SABO.HHZ. 2023-08-27T02:29:52.72 0.6 undecidable manual P 94 101.2209 50 0.35 39
NI.PALA.HHZ. 2023-08-27T02:29:51.84 0.6 undecidable manual S 65 50.8158 50 0 47
ST.DOSS.HHZ. 2023-08-27T02:29:51.26 0.3 undecidable manual P 258 89.6436 50 0.68 54
IV.CTI.HHZ. 2023-08-27T02:29:51.56 0.3 undecidable manual S 270 51.9036 50 -0.57 61
IV.ZOVE.EHZ. 2023-08-27T02:29:51.34 0.3 undecidable manual P 224 92.8404 50 0.26 61
SI.KOSI.HHZ. 2023-08-27T02:29:50.17 0.1 undecidable manual P 302 85.5477 50 0.22 84
OX.PLRO.HHZ. 2023-08-27T02:29:49.32 0.3 undecidable manual P 49 83.7495 50 -0.35 61
IV.STAL.HHZ. 2023-08-27T02:29:47.52 0.3 undecidable manual S 52 37.5291 99 -0.36 67
ST.ZIAN.EHZ. 2023-08-27T02:29:46.24 0.3 undecidable manual P 293 63.3921 50 -0.3 64
OX.FUSE.HHZ. 2023-08-27T02:29:46.34 0.1 undecidable manual P 52 65.5899 50 -0.54 81
IV.CRND.HNE. 2023-08-27T02:29:46.82 0.3 undecidable manual S 225 34.0437 100 0.13 70
OX.MPRI.HHZ. 2023-08-27T02:29:45.07 0.6 undecidable manual P 68 55.1004 50 -0.19 44
OX.CLUD.HHZ. 2023-08-27T02:29:45.79 0.3 undecidable manual P 44 61.8936 50 -0.52 61
OX.CIMO.HHZ. 2023-08-27T02:29:44.91 0.3 undecidable manual S 18 30.0477 101 -0.42 67
IV.CTI.HHZ. 2023-08-27T02:29:43.89 0.1 undecidable manual P 270 51.9036 50 -0.88 72
IV.ASOL.EHZ. 2023-08-27T02:29:43.06 3.0 positive manual P -0.97 0
OX.MLN.HHE. 2023-08-27T02:29:43.97 0.6 undecidable manual S 65 24.8529 104 0.41 45
NI.PALA.HHZ. 2023-08-27T02:29:43.98 0.3 undecidable manual P 65 50.8158 50 -0.62 60
OX.AGOR.HHZ. 2023-08-27T02:29:41.19 3.0 positive manual P 0.01 0
IV.CRND.HNE. 2023-08-27T02:29:41.55 0.1 undecidable manual P 225 34.0437 100 -0.07 95
IV.STAL.HHZ. 2023-08-27T02:29:41.77 0.3 positive manual P 52 37.5291 99 -0.54 64
OX.CIMO.HHZ. 2023-08-27T02:29:40.42 0.6 positive manual P 18 30.0477 101 -0.42 44
NI.POLC.HHZ. 2023-08-27T02:29:40.20 0.3 undecidable manual S 103 13.9749 113 0.22 71
IT.PNAL.HNE. 2023-08-27T02:29:40.68 0.3 undecidable manual S 352 13.2756 114 0.92 57
OX.MLN.HHE. 2023-08-27T02:29:39.64 0.1 undecidable manual P 65 24.8529 104 -0.18 94
IT.PNAL.HNE. 2023-08-27T02:29:38.25 0.1 undecidable manual P 352 13.2756 114 0.63 85
IV.FREG.EHZ. 2023-08-27T02:29:37.10 0.3 undecidable manual S 190 4.8951 141 -0.27 72
NI.POLC.HHZ. 2023-08-27T02:29:37.80 0.1 undecidable manual P 103 13.9749 113 0.05 98
IV.FREG.EHZ. 2023-08-27T02:29:36.19 0.1 undecidable manual P 190 4.8951 141 -0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
NI.POLC.HHN. ML:2.6 0.004690000000000001 1.54 AML other m 2023-08-27T02:29:41.88
NI.POLC.HHE. ML:2.2 0.00209 0.4 AML other m 2023-08-27T02:29:41.36
OX.CIMO.HHE. ML:1.0 0.0000507 0.32 AML other m 2023-08-27T02:29:45.51
IV.STAL.HNN. ML:1.8 0.00023199999999999997 0.5 AML other m 2023-08-27T02:29:47.28
OX.CIMO.HHN. ML:0.9 0.0000404 0.64 AML other m 2023-08-27T02:29:47.71
IV.STAL.HNE. ML:1.7 0.0001825 1.36 AML other m 2023-08-27T02:29:48.75
IV.STAL.HHE. ML:1.6 0.000145 1.04 AML other m 2023-08-27T02:29:48.42
IV.STAL.HHN. ML:1.6 0.0001455 0.16 AML other m 2023-08-27T02:29:49.57
IV.CTI.HHE. ML:1.6 0.00010719999999999999 1.86 AML other m 2023-08-27T02:29:52.00
IV.CTI.HHN. ML:1.6 0.00010015000000000001 0.26 AML other m 2023-08-27T02:29:54.56
NI.PALA.HHN. ML:1.5 0.0000746 1.26 AML other m 2023-08-27T02:29:55.88
NI.PALA.HHE. ML:1.5 0.0000775 0.48 AML other m 2023-08-27T02:29:56.24
OX.MPRI.HHN. ML:1.3 0.00005075 1.26 AML other m 2023-08-27T02:30:01.05
OX.MPRI.HHE. ML:1.1 0.00002925 1.24 AML other m 2023-08-27T02:30:02.06
SI.KOSI.HHE. ML:1.2 0.0000218 0.42 AML other m 2023-08-27T02:30:04.34
IV.ZOVE.EHN. ML:1.5 0.0000359 0.5 AML other m 2023-08-27T02:30:07.45
IV.PTCC.HHN. ML:0.9 0.000012005 0.5 AML other m 2023-08-27T02:30:07.55
OX.PLRO.HHE. ML:1.3 0.00002555 1.46 AML other m 2023-08-27T02:30:08.78
ST.DOSS.HHE. ML:1.6 0.00005005 0.26 AML other m 2023-08-27T02:30:08.25
ST.DOSS.HHN. ML:1.6 0.0000446 0.28 AML other m 2023-08-27T02:30:08.26
IV.PTCC.HHE. ML:1.1 0.000014950000000000001 0.58 AML other m 2023-08-27T02:30:08.53
IV.ZOVE.EHE. ML:1.5 0.00003585 0.52 AML other m 2023-08-27T02:30:08.99
OX.PLRO.HHN. ML:1.4 0.00003655 0.82 AML other m 2023-08-27T02:30:10.11
OX.DRE.HHE. ML:2.0 0.00008695 0.14 AML other m 2023-08-27T02:30:10.46
OX.SABO.HHE. ML:1.7 0.00004915 0.54 AML other m 2023-08-27T02:30:10.18
OX.DRE.HHN. ML:1.9 0.00008199999999999999 0.14 AML other m 2023-08-27T02:30:10.39
OX.SABO.HHN. ML:1.7 0.000046399999999999996 1.08 AML other m 2023-08-27T02:30:11.72
IV.ROVR.HHN. ML:2.2 0.000133 1.26 AML other m 2023-08-27T02:30:12.01
SI.LUSI.HHN. ML:2.1 0.00010845 1.18 AML other m 2023-08-27T02:30:12.71
SI.LUSI.HHE. ML:1.8 0.000053349999999999996 0.2 AML other m 2023-08-27T02:30:13.02
IV.ROVR.HHE. ML:1.8 0.0000547 1.58 AML other m 2023-08-27T02:30:13.16
SI.KOSI.HHN. ML:1.3 0.000025750000000000002 0.98 AML other m 2023-08-27T02:30:14.99
ST.VARA.EHN. ML:2.0 0.0000842 1.1 AML other m 2023-08-27T02:30:15.21
ST.VARA.EHE. ML:2.1 0.0001048 0.36 AML other m 2023-08-27T02:30:15.62
IV.MAGA.HHN. ML:2.0 0.00005325000000000001 0.36 AML other m 2023-08-27T02:30:19.23
IV.MABI.HHN. ML:1.4 0.0000163 0.46 AML other m 2023-08-27T02:30:20.30
IV.MAGA.HHE. ML:2.2 0.00010605 1.54 AML other m 2023-08-27T02:30:20.15
IV.MABI.HHE. ML:1.4 0.00001575 0.38 AML other m 2023-08-27T02:30:22.51
IV.MAGA.HNE. ML:2.5 0.00020250000000000002 0.6 AML other m 2023-08-27T02:30:35.77
IV.MAGA.HNN. ML:2.6 0.0002675 1.58 AML other m 2023-08-27T02:30:35.81
IV.FNVD.HHE. ML:2.8 0.00014050000000000003 0.82 AML other m 2023-08-27T02:30:45.40
SL.BOJS.BHE. ML:2.0 0.00002215 0.4 AML other m 2023-08-27T02:30:45.74
IV.FNVD.HHN. ML:2.2 0.0000385 1.44 AML other m 2023-08-27T02:30:46.01
SL.BOJS.BHN. ML:2.1 0.00002265 1.1 AML other m 2023-08-27T02:30:49.79
IV.PIEI.HHN. ML:2.0 0.0000136 0.66 AML other m 2023-08-27T02:31:08.48
IV.PIEI.HHE. ML:1.8 0.000011599999999999999 1.24 AML other m 2023-08-27T02:31:19.73
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