Earthquake with magnitude of ML 1.1 on date 20-02-2020 and time 05:30:27 (Italy) in region 3 km E Ovaro (UD)

A magnitude ML 1.1 earthquake occured in region: 3 km E Ovaro (UD), on

  • 20-02-2020 04:30:27 (UTC)
  • 20-02-2020 05:30:27 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.49, 12.9 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Ovaro UD 3 1922 1922
Comeglians UD 3 516 2438
Ravascletto UD 4 536 2974
Raveo UD 7 458 3432
Rigolato UD 7 448 3880
Sutrio UD 8 1332 5212
Cercivento UD 8 679 5891
Lauco UD 8 729 6620
Prato Carnico UD 8 904 7524
Villa Santina UD 9 2233 9757
Enemonzo UD 9 1319 11076
Paluzza UD 10 2217 13293
Arta Terme UD 10 2171 15464
Zuglio UD 11 595 16059
Preone UD 11 246 16305
Socchieve UD 11 908 17213
Ampezzo UD 11 1006 18219
Treppo Carnico UD 12 618 18837
Tolmezzo UD 13 10440 29277
Verzegnis UD 14 863 30140
Forni Avoltri UD 14 588 30728
Ligosullo UD 15 116 30844
Sauris UD 15 416 31260
Paularo UD 17 2623 33883
Cavazzo Carnico UD 18 1052 34935
Sappada BL 18 1317 36252
Amaro UD 20 823 37075

Municipalities with at least 50000 inhabitants

An earthquake occurred to
54 Km NW of Udine (99169 inhabitants)
62 Km NE of Pordenone (51229 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
Rev 100 ML 1.1 2020-02-20
04:30:27
46.49 12.9 7 2020-02-20
04:40:17
Sala Sismica INGV-Roma 76662471
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-20 04:30:27 ± 0.09
Latitude 46.49 ± 0.00
Longitude 12.90 ± 0.00
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 76662471

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 269
Semi-minor axis of confidence ellipse (meter) 58
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 73
Circular confidence region, given by single value of horizontal uncertainty (meter) 270
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 113
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.11
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.27339
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.6
Num. used stations 6
Type of magnitude ML
Reference to an origin 76662471
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-20 04:40:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
OX.SABO.HNZ. 2020-02-20T04:30:39.61 3.0 negative manual P -0.38 0
RF.GEPF.HHZ. 2020-02-20T04:30:38.08 0.6 undecidable manual S 142 0.2734 102 0.25 47
OX.MPRI.HHZ. 2020-02-20T04:30:37.11 0.3 undecidable manual S 166 0.2581 103 -0.17 73
IV.STAL.HHZ. 2020-02-20T04:30:37.53 0.3 undecidable manual S 209 0.2653 102 0 75
OX.PLRO.HHE. 2020-02-20T04:30:34.27 0.6 undecidable manual S 72 0.1817 108 -0.14 49
RF.GEPF.HHZ. 2020-02-20T04:30:33.46 1.0 negative manual P 142 0.2734 102 0.18 24
IV.FVI.HHZ. 2020-02-20T04:30:32.71 0.3 undecidable manual S 322 0.1322 114 0.08 76
OX.MPRI.HHZ. 2020-02-20T04:30:32.90 1.0 positive manual P 166 0.2581 103 -0.06 25
IV.STAL.HHZ. 2020-02-20T04:30:32.98 0.6 undecidable manual P 209 0.2653 102 -0.13 49
OX.PLRO.HHE. 2020-02-20T04:30:31.23 0.1 undecidable manual P 72 0.1817 108 -0.08 100
OX.FUSE.HHZ. 2020-02-20T04:30:31.84 0.6 undecidable manual S 137 0.1052 119 0.13 50
IV.FVI.HHZ. 2020-02-20T04:30:30.26 0.6 negative manual P 322 0.1322 114 -0.02 51
OX.FUSE.HHZ. 2020-02-20T04:30:29.85 0.6 negative manual P 137 0.1052 119 0.1 50
OX.CLUD.HHZ. 2020-02-20T04:30:29.55 0.6 undecidable manual S 198 0.0369 148 -0.18 50
OX.CLUD.HHZ. 2020-02-20T04:30:28.74 0.3 negative manual P 198 0.0369 148 0.14 76
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
OX.CLUD.HNE. ML:0 0.000228 0.94 AML other m 2020-02-20T04:30:30.34
OX.CLUD.HHE. ML:0 0.000251 0.94 AML other m 2020-02-20T04:30:30.81
OX.CLUD.HHN. ML:0 0.0002235 0.3 AML other m 2020-02-20T04:30:30.93
OX.CLUD.HNN. ML:0 0.0002365 0.32 AML other m 2020-02-20T04:30:30.94
IV.FVI.HHN. ML:0.7 5.735E-5 1.18 AML other m 2020-02-20T04:30:32.80
IV.FVI.HHE. ML:0.9 8.85E-5 0.5 AML other m 2020-02-20T04:30:34.20
IV.STAL.HHE. ML:1 5.625E-5 0.24 AML other m 2020-02-20T04:30:38.73
IV.STAL.HHN. ML:1.1 6.315E-5 0.24 AML other m 2020-02-20T04:30:39.17
OX.SABO.HNE. ML:2.8 0.0009865 0.7 AML other m 2020-02-20T04:30:43.31
OX.SABO.HNN. ML:2.8 0.0009305 1.56 AML other m 2020-02-20T04:30:44.00
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