Earthquake with magnitude of ML 1.3 on date 23-12-2020 and time 04:11:11 (Italy) in region 3 km E Claut (PN)

A magnitude ML 1.3 earthquake occured in region: 3 km E Claut (PN), on

  • 23-12-2020 03:11:11 (UTC)
  • 23-12-2020 04:11:11 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.26, 12.55 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
Claut PN 3 956 956
Barcis PN 8 256 1212
Andreis PN 9 259 1471
Cimolais PN 9 397 1868
Erto e Casso PN 14 387 2255
Montereale Valcellina PN 15 4433 6688
Frisanco PN 15 622 7310
Chies d'Alpago BL 16 1377 8687
Maniago PN 16 11698 20385
Vajont PN 17 1719 22104
Forni di Sotto UD 18 600 22704
Tambre BL 18 1371 24075
Fanna PN 18 1583 25658
Forni di Sopra UD 18 993 26651
Alpago BL 18 6994 33645
Cavasso Nuovo PN 19 1525 35170
Ospitale di Cadore BL 19 292 35462
Longarone BL 19 5359 40821
Meduno PN 19 1574 42395
Tramonti di Sotto PN 19 387 42782
Tramonti di Sopra PN 19 321 43103
Soverzene BL 20 389 43492

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km N of Pordenone (51229 inhabitants)
58 Km W of Udine (99169 inhabitants)
70 Km NE of Treviso (83731 inhabitants)
93 Km N of Venezia (263352 inhabitants)
95 Km E of Bolzano (106441 inhabitants)
Recent and historical Seismicity
Seismic hazard
Shakemap
Felt maps
The earthquake effects in MCS scale as obtained from the compiled questionnaire

The earthquake effects in MCS scale as obtained from the compiled questionnaire

This map shows the distribution of the effects of the earthquake on the territory in terms of the MCS (Mercalli-Cancani-Sieberg) intensity scale. The intensities are determined using the data provided in the questionnaire (http://www.haisentitoilterremoto.it/) that are analysed using robust statistical techniques since they are not verified individually. Specifically, the assignment of MCS intensities greater or equal the VI degree of the MCS scale require opportune in situ verification by professional experts. The purple start shows the epicenter. This map is prepared every so often that the population fill in new questionnaires. The number of questionnaires used to determine the map and the date and time of the last adjournment are shown in the upper right part of the panel.
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Reviewed
Rev100
ML 1.3 2020-12-23
03:11:11
46.26 12.55 10 2020-12-23
03:21:56
Sala Sismica INGV-Roma 85641451
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-12-23 03:11:11 ± 0.08
Latitude 46.26 ± 0.00
Longitude 12.55 ± 0.01
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 85641451

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 476
Semi-minor axis of confidence ellipse (meter) 425
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 289
Circular confidence region, given by single value of horizontal uncertainty (meter) 480
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 107
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.40829
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.5
Num. used stations 12
Type of magnitude ML
Reference to an origin 85641451
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-12-23 03:21:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.MPAG.EHZ. 2020-12-23T03:12:17.83 3.0 undecidable manual Sn -0.01 0
RF.GEPF.HHZ. 2020-12-23T03:11:26.73 0.6 undecidable manual S 88 0.4083 50 0.18 46
OX.BOO.HHE. 2020-12-23T03:11:25.60 0.3 undecidable manual S 81 0.384 50 -0.24 68
OX.SABO.HNZ. 2020-12-23T03:11:24.99 3.0 undecidable manual P -0.03 0
IV.FVI.HHZ. 2020-12-23T03:11:24.96 0.6 undecidable manual S 26 0.3696 50 -0.45 43
OX.MPRI.HHE. 2020-12-23T03:11:23.57 0.1 undecidable manual S 94 0.3049 50 0.08 95
OX.CLUD.HHE. 2020-12-23T03:11:23.40 0.3 undecidable manual S 50 0.3004 50 0.04 72
OX.CAE.HHE. 2020-12-23T03:11:22.13 0.6 undecidable manual S 197 0.2653 50 -0.19 47
IV.FVI.HHZ. 2020-12-23T03:11:20.22 1.0 undecidable manual P 26 0.3696 50 0.56 21
NI.PURA.HHE. 2020-12-23T03:11:20.76 0.1 undecidable manual S 39 0.2104 113 0.13 96
RF.GEPF.HHZ. 2020-12-23T03:11:20.77 1.0 positive manual P 88 0.4083 50 0.45 22
OX.BOO.HHE. 2020-12-23T03:11:19.75 0.1 undecidable manual P 81 0.384 50 -0.16 92
OX.CLUD.HHE. 2020-12-23T03:11:18.99 1.0 undecidable manual P 50 0.3004 50 0.52 22
OX.MPRI.HHE. 2020-12-23T03:11:18.48 0.1 undecidable manual P 94 0.3049 50 -0.06 95
OX.CAE.HHE. 2020-12-23T03:11:17.84 1.0 undecidable manual P 197 0.2653 50 -0.03 24
NI.PURA.HHE. 2020-12-23T03:11:17.05 0.1 undecidable manual P 39 0.2104 113 0.15 95
OX.MLN.HHE. 2020-12-23T03:11:17.74 0.6 undecidable manual S 158 0.1232 127 0.04 50
IV.STAL.HHZ. 2020-12-23T03:11:16.94 0.3 undecidable manual S 92 0.1124 129 -0.43 69
OX.CIMO.HHZ. 2020-12-23T03:11:16.26 0.3 undecidable manual S 304 0.0863 137 -0.37 70
OX.MLN.HHE. 2020-12-23T03:11:15.40 0.1 undecidable manual P 158 0.1232 127 0.2 96
IV.STAL.HHZ. 2020-12-23T03:11:15.03 0.1 positive manual P 92 0.1124 129 0.01 100
OX.CIMO.HHZ. 2020-12-23T03:11:14.80 0.1 undecidable manual P 304 0.0863 137 0.21 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
OX.CIMO.HHE. ML:1.1 0.0001555 0.06 AML other m 2020-12-23T03:11:16.43
OX.CIMO.HNE. ML:1 0.00014725 0.08 AML other m 2020-12-23T03:11:16.43
OX.CIMO.HNN. ML:1 0.00013215 0.56 AML other m 2020-12-23T03:11:16.43
OX.CIMO.HHN. ML:1 0.00014105 0.68 AML other m 2020-12-23T03:11:17.43
IV.STAL.HNN. ML:1.6 0.000412 1.2 AML other m 2020-12-23T03:11:17.23
IV.STAL.HHN. ML:1.5 0.0003255 0.12 AML other m 2020-12-23T03:11:17.26
IV.STAL.HHE. ML:1.6 0.0004415 0.12 AML other m 2020-12-23T03:11:17.32
IV.STAL.HNE. ML:1.7 0.0005215 0.1 AML other m 2020-12-23T03:11:17.55
RF.GEPF.HHN. ML:1 2.875E-5 0.3 AML other m 2020-12-23T03:11:27.27
RF.GEPF.HHE. ML:0.8 1.9E-5 1.34 AML other m 2020-12-23T03:11:27.18
OX.SABO.HNN. ML:3.1 0.00144 0.42 AML other m 2020-12-23T03:11:34.27
OX.SABO.HNE. ML:3.1 0.00162 0.42 AML other m 2020-12-23T03:11:34.27
IV.MPAG.EHE. ML:2.6 5.715E-5 0.06 AML other m 2020-12-23T03:12:29.91
IV.MPAG.EHN. ML:2.8 8.185E-5 1.3 AML other m 2020-12-23T03:12:30.95
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download