Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 19-12-2020 and time 05:12:08 (Italy) in region 4 km N Santa Domenica Vittoria (ME)

A magnitude ML 1.9 earthquake occured in region: 4 km N Santa Domenica Vittoria (ME), on

  • 19-12-2020 04:12:08 (UTC)
  • 19-12-2020 05:12:08 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.9560, 14.9560 at 38 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Santa Domenica Vittoria ME 4 980 980
Floresta ME 5 485 1465
Roccella Valdemone ME 5 666 2131
Randazzo CT 9 10900 13031
Montalbano Elicona ME 9 2287 15318
Malvagna ME 10 733 16051
Moio Alcantara ME 11 717 16768
San Piero Patti ME 11 2915 19683
Raccuja ME 12 1041 20724
Ucria ME 12 1058 21782
Tortorici ME 14 6435 28217
Basicò ME 15 612 28829
Librizzi ME 16 1660 30489
Maletto CT 16 3920 34409
Tripi ME 16 873 35282
Maniace CT 17 3765 39047
Castiglione di Sicilia CT 17 3215 42262
Novara di Sicilia ME 17 1337 43599
Sinagra ME 17 2705 46304
Francavilla di Sicilia ME 17 3945 50249
Galati Mamertino ME 18 2627 52876
Sant'Angelo di Brolo ME 19 3090 55966
Fondachelli-Fantina ME 19 1019 56985
Castell'Umberto ME 19 3128 60113
Longi ME 20 1473 61586
Montagnareale ME 20 1615 63201

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km NW of Acireale (52622 inhabitants)
52 Km N of Catania (314555 inhabitants)
59 Km W of Messina (238439 inhabitants)
63 Km W of Reggio di Calabria (183035 inhabitants)
94 Km NE of Caltanissetta (63360 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 1.9 2020-12-19
04:12:08		 37.9563 14.9558 38 2021-02-26
14:56:14		 Bollettino Sismico Italiano INGV 86072391
Reviewed
Rev100 		ML 1.9 2020-12-19
04:12:08		 37.9405 14.944 37 2020-12-19
04:20:09		 Sala Sismica INGV-Roma 85533981
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-12-19 04:12:08 ± 0.09
Latitude 37.9563 ± 0.0045
Longitude 14.9558 ± 0.0068
Depth (km) 38 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 86072391

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 585
Semi-minor axis of confidence ellipse (meter) 302
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 91
Circular confidence region, given by single value of horizontal uncertainty (meter) 590.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 53
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 34
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.10792
Epicentral distance of station farthest from the epicenter (degree) 0.68888
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 20
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 85533981
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-12-19 04:20:09

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 86072391
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-01-07 11:42:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MSRU.HHE. 2020-12-19T04:12:28.45 0.3 undecidable manual S 55 59.0964 54 0.23 70
IV.IVPL.HHZ. 2020-12-19T04:12:25.70 0.3 undecidable manual S 3 46.62 125 0.2 69
IV.IVGP.HHN. 2020-12-19T04:12:25.54 0.6 undecidable manual S 0 48.9177 124 -0.45 44
IV.MPNC.HHE. 2020-12-19T04:12:24.39 0.3 undecidable manual S 59 40.626 130 0.18 71
IV.MILZ.HHZ. 2020-12-19T04:12:24.77 0.3 undecidable manual S 34 42.4242 128 0.18 71
IV.EVRN.HHZ. 2020-12-19T04:12:22.85 0.3 undecidable manual S 152 33.5442 135 0.02 74
IV.EFIU.HHZ. 2020-12-19T04:12:22.42 0.3 undecidable manual S 130 28.9488 140 0.42 69
IV.MSFR.HHZ. 2020-12-19T04:12:22.88 0.3 undecidable manual S 285 32.9448 136 0.16 71
IV.HCRL.HHZ. 2020-12-19T04:12:21.58 0.6 undecidable manual P 175 74.9694 54 -0.17 44
IV.ECBD.HHZ. 2020-12-19T04:12:21.26 0.3 undecidable manual S 150 22.6551 147 0.27 72
IV.HAGA.HHZ. 2020-12-19T04:12:21.81 0.3 undecidable manual P 167 76.4679 54 -0.12 66
IV.IFIL.HHZ. 2020-12-19T04:12:21.79 0.3 undecidable manual P 334 75.1692 54 0.02 68
IV.EMSG.HHZ. 2020-12-19T04:12:20.29 0.6 undecidable manual S 182 15.0738 157 0.26 48
IV.EPZF.HHZ. 2020-12-19T04:12:20.34 0.3 undecidable manual S 211 17.0718 154 0.09 74
IV.AIO.HHZ. 2020-12-19T04:12:20.89 0.6 undecidable manual S 86 24.2535 145 -0.35 47
IV.MSRU.HHE. 2020-12-19T04:12:20.11 0.3 undecidable manual P 55 59.0964 54 0.34 68
IV.MUCR.HHZ. 2020-12-19T04:12:19.19 0.6 undecidable manual S 323 11.9769 161 -0.54 47
IV.ECTS.HHE. 2020-12-19T04:12:19.81 0.3 undecidable manual S 120 16.6722 155 -0.39 71
IV.IVGP.HHN. 2020-12-19T04:12:18.41 0.1 undecidable manual P 0 48.9177 124 -0.07 95
IV.GALF.HHZ. 2020-12-19T04:12:18.13 0.1 undecidable manual P 232 43.623 127 0.3 92
IV.IVPL.HHZ. 2020-12-19T04:12:18.36 0.3 undecidable manual P 3 46.62 125 0.16 71
IV.MPNC.HHE. 2020-12-19T04:12:17.63 0.3 undecidable manual P 59 40.626 130 0.17 71
IV.MILZ.HHZ. 2020-12-19T04:12:17.66 0.6 undecidable manual P 34 42.4242 128 -0.01 49
IV.MSFR.HHZ. 2020-12-19T04:12:16.41 0.3 undecidable manual P 285 32.9448 136 -0.18 72
IV.EVRN.HHZ. 2020-12-19T04:12:16.86 0.3 undecidable manual P 152 33.5442 135 0.21 72
IV.ENIC.HHZ. 2020-12-19T04:12:16.77 0.1 undecidable manual P 171 36.5412 133 -0.21 94
IV.EFIU.HHZ. 2020-12-19T04:12:16.19 0.1 undecidable manual P 130 28.9488 140 0.01 100
IV.AIO.HHZ. 2020-12-19T04:12:15.47 0.3 undecidable manual P 86 24.2535 145 -0.27 71
IV.ECBD.HHZ. 2020-12-19T04:12:15.87 0.3 undecidable manual P 150 22.6551 147 0.28 72
IV.EPZF.HHZ. 2020-12-19T04:12:15.06 0.3 undecidable manual P 211 17.0718 154 -0.11 75
IV.EPIT.HHZ. 2020-12-19T04:12:15.39 0.1 undecidable manual P 151 18.3705 152 0.13 99
IV.MUCR.HHZ. 2020-12-19T04:12:14.33 0.3 undecidable manual P 323 11.9769 161 -0.54 69
IV.ECTS.HHE. 2020-12-19T04:12:14.81 0.3 undecidable manual P 120 16.6722 155 -0.33 72
IV.EMSG.HHZ. 2020-12-19T04:12:14.86 0.3 undecidable manual P 182 15.0738 157 -0.18 74
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MUCR.HHE. ML:1.8 0.0002475 0.26 AML other m 2020-12-19T04:12:18.62
IV.MUCR.HHN. ML:2.2 0.0005935000000000001 0.36 AML other m 2020-12-19T04:12:19.51
IV.EMSG.HHE. ML:2.5 0.001046 0.76 AML other m 2020-12-19T04:12:20.43
IV.EPZF.HHN. ML:2.2 0.0005164999999999999 0.38 AML other m 2020-12-19T04:12:20.91
IV.EPZF.HHE. ML:2.2 0.0006039999999999999 0.4 AML other m 2020-12-19T04:12:20.76
IV.AIO.HHE. ML:1.8 0.00019600000000000002 0.2 AML other m 2020-12-19T04:12:23.41
IV.AIO.HHN. ML:1.8 0.00017749999999999998 0.92 AML other m 2020-12-19T04:12:23.47
IV.MSFR.HHN. ML:1.5 0.0000906 1.68 AML other m 2020-12-19T04:12:24.92
IV.MSFR.HHE. ML:1.3 0.000049500000000000004 0.76 AML other m 2020-12-19T04:12:24.48
IV.MILZ.HHN. ML:1.9 0.000177 0.94 AML other m 2020-12-19T04:12:26.71
IV.MILZ.HHE. ML:2.1 0.000264 0.9 AML other m 2020-12-19T04:12:26.25
IV.GALF.HHN. ML:1.8 0.00014399999999999998 0.72 AML other m 2020-12-19T04:12:28.84
IV.GALF.HHE. ML:1.7 0.00011999999999999999 0.48 AML other m 2020-12-19T04:12:29.73
IV.IVPL.HHE. ML:1.9 0.000152 0.48 AML other m 2020-12-19T04:12:30.35
IV.IFIL.HHE. ML:2.2 0.000188 0.68 AML other m 2020-12-19T04:12:35.01
IV.IFIL.HHN. ML:1.8 0.0000741 0.68 AML other m 2020-12-19T04:12:39.94
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