Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 01-12-2020 and time 00:14:14 (UTC) in region 1 km E Santa Maria di Licodia (CT)

A magnitude ML 1.8 earthquake occured in region: 1 km E Santa Maria di Licodia (CT), on

  • 01-12-2020 00:14:14 (UTC)
  • 01-12-2020 01:14:14 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.6120, 14.9010 at 9 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 Maria di Licodia CT 1 7641 7641
Paternò CT 4 48228 55869
Ragalna CT 4 3924 59793
Biancavilla CT 4 24007 83800
Belpasso CT 7 28108 111908
Adrano CT 8 36122 148030
Camporotondo Etneo CT 11 5023 153053
Nicolosi CT 11 7463 160516
San Pietro Clarenza CT 12 7743 168259
Motta Sant'Anastasia CT 13 12116 180375
Misterbianco CT 14 49410 229785
Pedara CT 14 14102 243887
Centuripe EN 14 5470 249357
Mascalucia CT 14 31958 281315
Gravina di Catania CT 15 25838 307153
Tremestieri Etneo CT 16 20589 327742
Trecastagni CT 16 10910 338652
Sant'Agata li Battiati CT 17 9479 348131
Viagrande CT 17 8563 356694
San Giovanni la Punta CT 18 23060 379754
Aci Bonaccorsi CT 18 3524 383278
Catenanuova EN 19 4866 388144
San Gregorio di Catania CT 19 11966 400110
Aci Sant'Antonio CT 20 17984 418094

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km NW of Catania (314555 inhabitants)
23 Km W of Acireale (52622 inhabitants)
70 Km NW of Siracusa (122291 inhabitants)
75 Km E of Caltanissetta (63360 inhabitants)
78 Km N of Ragusa (73313 inhabitants)
80 Km NE of Vittoria (63339 inhabitants)
84 Km NE of Gela (75827 inhabitants)
85 Km N of Modica (54633 inhabitants)
86 Km SW of Reggio di Calabria (183035 inhabitants)
87 Km SW of Messina (238439 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 1.8 2020-12-01
00:14:14		 37.6123 14.9013 9 2021-02-26
14:56:17		 Bollettino Sismico Italiano INGV 86655221
Reviewed
Rev200 		ML 1.3 2020-12-01
00:14:13		 37.633 14.926 6 2021-01-28
12:58:08		 Sala Operativa INGV_OE (Catania) 85119931
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-12-01 00:14:14 ± 0.17
Latitude 37.6123 ± 0.0126
Longitude 14.9013 ± 0.0136
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 86655221

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1382
Semi-minor axis of confidence ellipse (meter) 1178
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 346
Circular confidence region, given by single value of horizontal uncertainty (meter) 1380.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 103
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.45
Epicentral distance of station closest to the epicenter (degree) 0.01799
Epicentral distance of station farthest from the epicenter (degree) 0.67539
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 85119931
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2020-12-01 00:34:29

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 86655221
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-01-28 12:57:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HAVL.HHZ. 2020-12-01T00:14:38.05 0.6 undecidable manual S 165 74.9694 50 0.64 38
IV.HAVL.HHZ. 2020-12-01T00:14:27.45 0.3 undecidable manual P 165 74.9694 50 -0.23 67
IV.HLNI.HHZ. 2020-12-01T00:14:25.95 0.3 undecidable manual S 185 29.3484 106 0.94 61
IV.EPOZ.HHE. 2020-12-01T00:14:24.72 0.3 undecidable manual S 75 26.0517 108 0.8 60
IV.GALF.HHZ. 2020-12-01T00:14:22.23 0.6 undecidable manual P 290 31.3464 105 1.32 29
IV.HAGA.HHZ. 2020-12-01T00:14:22.03 0.3 undecidable manual P 148 42.624 50 -0.67 64
IV.ECTS.HHE. 2020-12-01T00:14:21.20 0.6 undecidable manual P 33 35.5422 50 -0.41 48
IV.HLNI.HHZ. 2020-12-01T00:14:20.11 0.3 undecidable manual P 185 29.3484 106 -0.41 68
IV.EPOZ.HHE. 2020-12-01T00:14:20.10 0.3 undecidable manual P 75 26.0517 108 0.21 73
IV.ESLN.HHZ. 2020-12-01T00:14:19.94 0.6 undecidable manual S 35 11.0778 128 0.69 44
IV.ENIC.HHZ. 2020-12-01T00:14:19.08 0.3 undecidable manual S 79 10.7781 129 -0.09 75
IV.EPZF.HHE. 2020-12-01T00:14:19.82 0.3 undecidable manual P 351 23.754 110 0.36 70
IV.EVRN.HHZ. 2020-12-01T00:14:18.71 0.3 undecidable manual P 67 22.2555 111 -0.46 70
IV.ESML.HHZ. 2020-12-01T00:14:17.73 0.3 undecidable manual S 288 1.998 167 0.27 79
IV.ESLN.HHZ. 2020-12-01T00:14:16.97 0.3 undecidable manual P 35 11.0778 128 -0.23 75
IV.ESML.HHZ. 2020-12-01T00:14:16.01 0.1 undecidable manual P 288 1.998 167 -0.15 100
IV.ENIC.HHZ. 2020-12-01T00:14:16.97 0.3 undecidable manual P 79 10.7781 129 -0.18 75
IV.ECHR.HHE. 2020-12-01T00:14:16.26 0.1 undecidable manual P 7 8.2806 136 -0.52 93
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ENIC.HNN. ML:1.9 0.00108500745 0.92 AML other m 2020-12-01T00:14:17.53
IV.ESLN.HHN. ML:2.2 0.0020155165 0.56 AML other m 2020-12-01T00:14:20.15
IV.ENIC.HHN. ML:1.9 0.0010032551999999998 0.22 AML other m 2020-12-01T00:14:21.94
IV.GALF.HNE. ML:1.3 0.00009944884500000001 0.72 AML other m 2020-12-01T00:14:22.87
IV.GALF.HNN. ML:1.4 0.00010923690500000001 0.93 AML other m 2020-12-01T00:14:22.99
IV.EVRN.HHE. ML:2.1 0.0008937313 1.42 AML other m 2020-12-01T00:14:24.91
IV.EVRN.HNE. ML:2.1 0.0009947099 1.43 AML other m 2020-12-01T00:14:24.92
IV.ENIC.HHE. ML:1.9 0.0011764455 1.8 AML other m 2020-12-01T00:14:24.97
IV.HAGA.HHE. ML:1.4 0.00009048618 0.7 AML other m 2020-12-01T00:14:25.09
IV.ESLN.HHE. ML:2.1 0.0015192265 0.46 AML other m 2020-12-01T00:14:25.67
IV.ENIC.HNE. ML:2.0 0.0012570991999999999 0.21 AML other m 2020-12-01T00:14:26.44
IV.HLNI.HHE. ML:1.0 0.00004533975 0.12 AML other m 2020-12-01T00:14:26.74
IV.HLNI.HHN. ML:1.0 0.000053648545 0.14 AML other m 2020-12-01T00:14:27.06
IV.EVRN.HHN. ML:1.9 0.000611076 0.32 AML other m 2020-12-01T00:14:27.20
IV.EVRN.HNN. ML:1.9 0.00053049375 1.61 AML other m 2020-12-01T00:14:28.05
IV.GALF.HHN. ML:1.5 0.00014885195 0.42 AML other m 2020-12-01T00:14:32.82
IV.GALF.HHE. ML:1.6 0.0001865 1.58 AML other m 2020-12-01T00:14:33.79
IV.HAGA.HHN. ML:1.6 0.00013331670000000002 0.76 AML other m 2020-12-01T00:14:43.47
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