Earthquake with magnitude of ML 0.8 on date 30-08-2021 and time 11:25:51 (UTC) in region 4 km S Villa Santina (UD)

A magnitude ML 0.8 earthquake occured in region: 4 km S Villa Santina (UD), on

  • 30-08-2021 11:25:51 (UTC)
  • 30-08-2021 13:25:51 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.3800, 12.9210 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
Villa Santina UD 4 2233 2233
Preone UD 4 246 2479
Enemonzo UD 5 1319 3798
Lauco UD 5 729 4527
Verzegnis UD 6 863 5390
Raveo UD 7 458 5848
Socchieve UD 8 908 6756
Tolmezzo UD 8 10440 17196
Cavazzo Carnico UD 9 1052 18248
Ampezzo UD 11 1006 19254
Zuglio UD 12 595 19849
Ovaro UD 12 1922 21771
Tramonti di Sopra PN 13 321 22092
Arta Terme UD 13 2171 24263
Amaro UD 13 823 25086
Tramonti di Sotto PN 14 387 25473
Comeglians UD 15 516 25989
Sutrio UD 16 1332 27321
Bordano UD 16 754 28075
Trasaghis UD 16 2227 30302
Ravascletto UD 16 536 30838
Vito d'Asio PN 17 769 31607
Clauzetto PN 17 380 31987
Cercivento UD 17 679 32666
Venzone UD 18 2117 34783
Forgaria nel Friuli UD 18 1786 36569
Prato Carnico UD 18 904 37473
Paluzza UD 18 2217 39690
Osoppo UD 19 2936 42626
Sauris UD 19 416 43042
Forni di Sotto UD 19 600 43642
Treppo Carnico UD 20 618 44260
Rigolato UD 20 448 44708
Castelnovo del Friuli PN 20 880 45588

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km NW of Udine (99169 inhabitants)
51 Km NE of Pordenone (51229 inhabitants)
95 Km NE of Treviso (83731 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 0.8 2021-08-30
11:25:51
46.3803 12.9207 10 2021-12-29
11:12:29
Bollettino Sismico Italiano INGV 95304091
Reviewed
Rev100
ML 0.8 2021-08-30
11:25:51
46.3803 12.9228 10 2021-08-30
11:32:37
Sala Sismica INGV-Roma 94816391
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-08-30 11:25:51 ± 0.05
Latitude 46.3803 ± 0.0027
Longitude 12.9207 ± 0.0039
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 95304091

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 330
Semi-minor axis of confidence ellipse (meter) 221
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 224
Circular confidence region, given by single value of horizontal uncertainty (meter) 330.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 68
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.06475
Epicentral distance of station farthest from the epicenter (degree) 0.27609
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.1
Num. used stations 16
Type of magnitude ML
Reference to an origin 95304091
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-12-16 20:49:58

ML:0.8

Field Value
Value 0.8
Uncertainty 0.1
Num. used stations 16
Type of magnitude ML
Reference to an origin 94816391
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-08-30 11:32:37
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
NI.VINO.HHZ. 2021-08-30T11:26:01.91 0.1 undecidable manual S 117 30.6471 50 -0.08 96
OX.BAD.HNZ. 2021-08-30T11:26:01.74 0.3 undecidable manual S 123 29.6481 50 0.01 73
OX.PLRO.HHZ. 2021-08-30T11:26:00.40 0.6 undecidable manual S 43 25.5522 50 -0.24 47
IV.STAL.HHZ. 2021-08-30T11:25:59.07 0.6 undecidable manual S 230 20.868 116 -0.23 47
RF.GEPF.HHZ. 2021-08-30T11:25:59.07 0.6 undecidable manual S 125 20.3685 117 -0.07 49
OX.BOO.HHZ. 2021-08-30T11:25:57.39 0.3 undecidable manual S 116 15.1737 124 -0.19 72
NI.VINO.HHZ. 2021-08-30T11:25:57.27 0.3 undecidable manual P 117 30.6471 50 -0.16 71
OX.BAD.HNZ. 2021-08-30T11:25:57.20 0.1 undecidable manual P 123 29.6481 50 -0.08 96
OX.MPRI.HHZ. 2021-08-30T11:25:57.91 0.6 undecidable manual S 162 16.2726 122 0 50
NI.PURA.HHZ. 2021-08-30T11:25:57.13 0.6 undecidable manual S 290 14.5743 125 -0.28 47
OX.PLRO.HHZ. 2021-08-30T11:25:56.81 0.3 undecidable manual P 43 25.5522 50 0.16 72
IV.FVI.HHZ. 2021-08-30T11:25:56.87 0.3 undecidable manual P 336 26.2515 50 0.11 72
RF.GEPF.HHZ. 2021-08-30T11:25:55.90 0.1 undecidable manual P 125 20.3685 117 0.12 97
OX.FUSE.HHZ. 2021-08-30T11:25:55.50 0.1 undecidable manual S 59 7.1928 145 -0.08 100
OX.MPRI.HHZ. 2021-08-30T11:25:55.23 0.1 negative manual P 162 16.2726 122 0.16 97
OX.CLUD.HHZ. 2021-08-30T11:25:55.66 0.3 undecidable manual S 341 8.9799 139 -0.31 71
IV.STAL.HHZ. 2021-08-30T11:25:55.89 0.1 undecidable manual P 230 20.868 116 0.01 99
NI.PURA.HHZ. 2021-08-30T11:25:54.91 0.3 undecidable manual P 290 14.5743 125 0.13 73
OX.BOO.HHZ. 2021-08-30T11:25:54.98 0.1 undecidable manual P 116 15.1737 124 0.09 98
OX.CLUD.HHZ. 2021-08-30T11:25:54.16 0.1 undecidable manual P 341 8.9799 139 0.21 97
OX.FUSE.HHZ. 2021-08-30T11:25:53.96 0.1 undecidable manual P 59 7.1928 145 0.23 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
OX.CLUD.HHN. ML:1.0 0.000134 1.22 AML other m 2021-08-30T11:25:55.83
OX.CLUD.HNN. ML:1.0 0.00013700000000000002 1.22 AML other m 2021-08-30T11:25:55.83
OX.CLUD.HHE. ML:0.9 0.0000931 1.68 AML other m 2021-08-30T11:25:56.08
OX.CLUD.HNE. ML:0.8 0.0000811 1.66 AML other m 2021-08-30T11:25:56.91
OX.MPRI.HHE. ML:0.8 0.0000546 1.66 AML other m 2021-08-30T11:25:58.84
OX.MPRI.HHN. ML:1.0 0.00009325 1.62 AML other m 2021-08-30T11:25:59.12
RF.GEPF.HHE. ML:0.8 0.00004165 0.44 AML other m 2021-08-30T11:25:59.69
IV.STAL.HHN. ML:0.9 0.00005735 0.34 AML other m 2021-08-30T11:25:59.65
RF.GEPF.HHN. ML:0.9 0.000052699999999999993 0.2 AML other m 2021-08-30T11:25:59.65
IV.STAL.HHE. ML:0.8 0.00004675 1.22 AML other m 2021-08-30T11:26:00.69
OX.PLRO.HHE. ML:0.7 0.0000297 0.18 AML other m 2021-08-30T11:26:00.74
IV.FVI.HHE. ML:0.6 0.00002685 1.22 AML other m 2021-08-30T11:26:00.89
IV.FVI.HHN. ML:0.6 0.00002355 0.88 AML other m 2021-08-30T11:26:01.21
OX.PLRO.HHN. ML:0.9 0.000047600000000000005 0.3 AML other m 2021-08-30T11:26:01.93
NI.VINO.HHE. ML:0.7 0.000022499999999999998 0.14 AML other m 2021-08-30T11:26:02.55
NI.VINO.HHN. ML:0.6 0.000018200000000000002 0.3 AML other m 2021-08-30T11:26:02.73
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