Earthquake with magnitude of ML 0.9 on date 22-12-2020 and time 04:31:08 (Italy) in region 4 km W Sauris (UD)

A magnitude ML 0.9 earthquake occured in region: 4 km W Sauris (UD), on

  • 22-12-2020 03:31:08 (UTC)
  • 22-12-2020 04:31:08 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.4680, 12.6560 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
Sauris UD 4 416 416
Forni di Sopra UD 8 993 1409
Forni di Sotto UD 8 600 2009
Sappada BL 11 1317 3326
Ampezzo UD 12 1006 4332
Prato Carnico UD 12 904 5236
San Pietro di Cadore BL 13 1624 6860
Santo Stefano di Cadore BL 13 2609 9469
Vigo di Cadore BL 15 1440 10909
Socchieve UD 15 908 11817
Lorenzago di Cadore BL 15 549 12366
Danta di Cadore BL 15 463 12829
San Nicolò di Comelico BL 16 406 13235
Forni Avoltri UD 16 588 13823
Ovaro UD 16 1922 15745
Lozzo di Cadore BL 16 1383 17128
Raveo UD 17 458 17586
Comeglians UD 17 516 18102
Comelico Superiore BL 17 2238 20340
Rigolato UD 18 448 20788
Preone UD 18 246 21034
Enemonzo UD 18 1319 22353
Domegge di Cadore BL 18 2441 24794
Auronzo di Cadore BL 19 3350 28144

Municipalities with at least 50000 inhabitants

An earthquake occurred to
57 Km N of Pordenone (51229 inhabitants)
63 Km NW of Udine (99169 inhabitants)
94 Km NE of Treviso (83731 inhabitants)
100 Km E of Bolzano (106441 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 0.9 2020-12-22
03:31:08
46.4685 12.656 10 2020-12-22
03:39:17
Sala Sismica INGV-Roma 85619031
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-12-22 03:31:08 ± 0.11
Latitude 46.4685 ± 0.0045
Longitude 12.6560 ± 0.0065
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 85619031

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 517
Semi-minor axis of confidence ellipse (meter) 380
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 41
Circular confidence region, given by single value of horizontal uncertainty (meter) 520.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 94
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.07285
Epicentral distance of station farthest from the epicenter (degree) 0.32286
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:0.9

Field Value
Value 0.9
Uncertainty 0.4
Num. used stations 12
Type of magnitude ML
Reference to an origin 85619031
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-12-22 03:39:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OX.MPRI.HHZ. 2020-12-22T03:31:20.99 0.6 undecidable manual S 135 35.8419 50 0.25 46
OX.CIMO.HHZ. 2020-12-22T03:31:17.05 0.3 undecidable manual S 223 23.754 113 -0.43 68
IV.STAL.HHZ. 2020-12-22T03:31:17.27 0.3 undecidable manual S 170 23.4543 113 -0.13 73
OX.FUSE.HHZ. 2020-12-22T03:31:17.93 0.3 undecidable manual S 103 27.0507 50 -0.47 67
OX.MPRI.HHZ. 2020-12-22T03:31:16.04 0.6 positive manual P 135 35.8419 50 0.47 44
OX.CLUD.HHZ. 2020-12-22T03:31:15.44 0.3 undecidable manual S 94 17.2716 120 -0.03 75
OX.FUSE.HHZ. 2020-12-22T03:31:14.36 0.6 undecidable manual P 103 27.0507 50 0.14 48
IT.DANT.HNZ. 2020-12-22T03:31:14.84 0.3 undecidable manual S 317 15.0738 124 0.01 75
IV.FVI.HHZ. 2020-12-22T03:31:14.91 0.3 undecidable manual S 34 17.0718 121 -0.5 68
IV.STAL.HHZ. 2020-12-22T03:31:13.72 0.3 undecidable manual P 170 23.4543 113 0.08 73
NI.PURA.HHZ. 2020-12-22T03:31:13.15 0.3 undecidable manual S 126 8.0808 141 0.13 75
OX.CIMO.HHZ. 2020-12-22T03:31:13.52 0.3 undecidable manual P 223 23.754 113 -0.17 72
IT.DANT.HNZ. 2020-12-22T03:31:12.61 0.3 undecidable manual P 317 15.0738 124 0.45 69
IV.FVI.HHZ. 2020-12-22T03:31:12.52 0.1 undecidable manual P 34 17.0718 121 0.02 100
OX.CLUD.HHZ. 2020-12-22T03:31:12.56 0.3 undecidable manual P 94 17.2716 120 0.03 75
NI.PURA.HHZ. 2020-12-22T03:31:11.41 0.1 undecidable manual P 126 8.0808 141 0.29 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FVI.HHE. ML:1.4 0.0002407097 0.1408 AML other m 2020-12-22T03:31:15.11
IV.FVI.HHN. ML:1.2 0.00012084605 0.16 AML other m 2020-12-22T03:31:15.20
OX.CIMO.HNN. ML:0.8 0.00003632086 1.2592 AML other m 2020-12-22T03:31:17.44
OX.CIMO.HHE. ML:0.4 0.000015552465 0.1408 AML other m 2020-12-22T03:31:17.40
OX.CIMO.HHN. ML:0.5 0.000018716415 0.1408 AML other m 2020-12-22T03:31:17.14
IV.STAL.HHE. ML:1.2 0.00010056178 0.12 AML other m 2020-12-22T03:31:18.63
IV.STAL.HHN. ML:1.2 0.00009260346499999999 0.24 AML other m 2020-12-22T03:31:17.82
IV.STAL.HNE. ML:1.4 0.00016444407 0.2 AML other m 2020-12-22T03:31:18.47
IV.STAL.HNN. ML:1.5 0.0001938156 0.0896 AML other m 2020-12-22T03:31:17.82
OX.MPRI.HHE. ML:0.6 0.0000143778745 0.2608 AML other m 2020-12-22T03:31:21.22
OX.MPRI.HHN. ML:0.6 0.000016030805000000003 0.2608 AML other m 2020-12-22T03:31:22.53
OX.CIMO.HNE. ML:0.5 0.00001886884 1.4 AML other m 2020-12-22T03:31:17.32
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