Earthquake with magnitude of ML 0.7 on date 26-12-2020 and time 21:51:21 (Italy) in region 1 km SW Amaro (UD)

A magnitude ML 0.7 earthquake occured in region: 1 km SW Amaro (UD), on

  • 26-12-2020 20:51:21 (UTC)
  • 26-12-2020 21:51:21 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.3630, 13.0860 at 11 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
Amaro UD 2 823 823
Cavazzo Carnico UD 4 1052 1875
Venzone UD 5 2117 3992
Bordano UD 5 754 4746
Tolmezzo UD 7 10440 15186
Verzegnis UD 8 863 16049
Trasaghis UD 9 2227 18276
Moggio Udinese UD 10 1714 19990
Gemona del Friuli UD 10 10964 30954
Resiutta UD 11 309 31263
Zuglio UD 12 595 31858
Osoppo UD 12 2936 34794
Arta Terme UD 13 2171 36965
Lauco UD 14 729 37694
Villa Santina UD 14 2233 39927
Montenars UD 14 538 40465
Artegna UD 14 2885 43350
Magnano in Riviera UD 16 2336 45686
Enemonzo UD 17 1319 47005
Resia UD 17 1033 48038
Preone UD 17 246 48284
Buja UD 17 6563 54847
Vito d'Asio PN 17 769 55616
Lusevera UD 17 643 56259
Forgaria nel Friuli UD 18 1786 58045
Chiusaforte UD 18 672 58717
Sutrio UD 18 1332 60049
Raveo UD 18 458 60507
Paularo UD 19 2623 63130
Paluzza UD 19 2217 65347
Tarcento UD 19 9012 74359
Treppo Carnico UD 19 618 74977
Majano UD 20 5945 80922
Ligosullo UD 20 116 81038
Clauzetto PN 20 380 81418
Treppo Grande UD 20 1708 83126
Cercivento UD 20 679 83805

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km NW of Udine (99169 inhabitants)
56 Km NE of Pordenone (51229 inhabitants)
95 Km NW of Trieste (204420 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 0.7 2020-12-26
20:51:21
46.3628 13.0862 11 2020-12-26
20:55:08
Sala Sismica INGV-Roma 85741781
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-12-26 20:51:21 ± 0.08
Latitude 46.3628 ± 0.0054
Longitude 13.0862 ± 0.0065
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 85741781

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 716
Semi-minor axis of confidence ellipse (meter) 135
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 38
Circular confidence region, given by single value of horizontal uncertainty (meter) 720.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 146
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
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) 0.07824
Epicentral distance of station farthest from the epicenter (degree) 0.31476
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.2
Num. used stations 2
Type of magnitude ML
Reference to an origin 85741781
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-12-26 20:55:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FVI.HHZ. 2020-12-26T20:51:32.76 0.6 undecidable manual S 318 34.9428 90 -0.16 47
IV.PTCC.HHZ. 2020-12-26T20:51:28.97 0.6 undecidable manual S 76 21.0678 91 -0.26 47
OX.CLUD.HHZ. 2020-12-26T20:51:28.38 0.6 undecidable manual S 304 18.87 91 -0.25 48
NI.VINO.HHZ. 2020-12-26T20:51:28.60 0.6 undecidable manual S 130 18.87 91 -0.04 49
IV.FVI.HHZ. 2020-12-26T20:51:27.99 0.1 undecidable manual P 318 34.9428 90 0.05 97
IV.PTCC.HHZ. 2020-12-26T20:51:26.05 0.6 undecidable manual P 76 21.0678 91 0.23 48
RF.GEPF.HHZ. 2020-12-26T20:51:26.36 0.6 undecidable manual S 158 10.5783 117 -0.1 49
OX.CLUD.HHZ. 2020-12-26T20:51:25.46 0.1 undecidable manual P 304 18.87 91 -0.01 100
OX.FUSE.HHZ. 2020-12-26T20:51:25.99 0.6 undecidable manual S 311 8.6802 127 -0.05 50
NI.VINO.HHZ. 2020-12-26T20:51:25.44 0.1 undecidable manual P 130 18.87 91 -0.04 99
OX.FUSE.HHZ. 2020-12-26T20:51:24.13 0.1 negative manual P 311 8.6802 127 0.16 100
RF.GEPF.HHZ. 2020-12-26T20:51:24.62 1.0 undecidable manual P 158 10.5783 117 0.4 24
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
RF.GEPF.HHN. ML:0.8 0.0000818 0.28 AML other m 2020-12-26T20:51:26.48
RF.GEPF.HHE. ML:0.6 0.000044399999999999995 1.42 AML other m 2020-12-26T20:51:27.92
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