Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 03-12-2020 and time 17:14:02 (Italy) in region 13 km SE Maletto (CT)

A magnitude ML 2.2 earthquake occured in region: 13 km SE Maletto (CT), on

  • 03-12-2020 16:14:02 (UTC)
  • 03-12-2020 17:14:02 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.75, 14.97 at 10 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
Maletto CT 13 3920 3920
Bronte CT 13 19172 23092
Milo CT 13 1087 24179
Zafferana Etnea CT 13 9517 33696
Ragalna CT 14 3924 37620
Randazzo CT 14 10900 48520
Sant'Alfio CT 15 1582 50102
Biancavilla CT 15 24007 74109
Adrano CT 16 36122 110231
Nicolosi CT 16 7463 117694
Santa Venerina CT 17 8592 126286
Santa Maria di Licodia CT 17 7641 133927
Pedara CT 17 14102 148029
Moio Alcantara ME 18 717 148746
Trecastagni CT 18 10910 159656
Linguaglossa CT 18 5403 165059
Belpasso CT 18 28108 193167
Santa Domenica Vittoria ME 18 980 194147
Maniace CT 19 3765 197912
Giarre CT 19 27659 225571
Piedimonte Etneo CT 19 3963 229534
Viagrande CT 19 8563 238097
Castiglione di Sicilia CT 20 3215 241312
Mascali CT 20 14282 255594
Malvagna ME 20 733 256327

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km NW of Acireale (52622 inhabitants)
30 Km NW of Catania (314555 inhabitants)
71 Km SW of Messina (238439 inhabitants)
71 Km SW of Reggio di Calabria (183035 inhabitants)
82 Km NW of Siracusa (122291 inhabitants)
85 Km E of Caltanissetta (63360 inhabitants)
95 Km N of Ragusa (73313 inhabitants)
97 Km NE of Vittoria (63339 inhabitants)
100 Km NE of Gela (75827 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 2.2 2020-12-03
16:14:02		 37.75 14.97 10 2021-02-26
14:56:16		 Bollettino Sismico Italiano INGV 86451141
Reviewed
Rev200 		ML 1.8 2020-12-03
16:14:01		 37.76 14.97 7 2021-01-28
11:02:18		 Sala Operativa INGV_OE (Catania) 85177411
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-12-03 16:14:02 ± 0.08
Latitude 37.75 ± 0.00
Longitude 14.97 ± 0.01
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 86451141

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 554
Semi-minor axis of confidence ellipse (meter) 420
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 117
Circular confidence region, given by single value of horizontal uncertainty (meter) 550
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 58
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 27
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.06115
Epicentral distance of station farthest from the epicenter (degree) 0.41279
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 86451141
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-01-28 11:01:58

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 85177411
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2020-12-03 16:23:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.MUCR.HHZ. 2020-12-03T16:14:14.60 0.6 undecidable manual S 345 0.2986 50 0.77 39
IV.HLNI.HHE. 2020-12-03T16:14:10.44 0.3 undecidable manual P 191 0.4128 50 -0.47 64
IV.MSFR.HHZ. 2020-12-03T16:14:10.76 0.3 undecidable manual P 313 0.4101 50 -0.1 70
IV.GALF.HHZ. 2020-12-03T16:14:09.93 0.3 undecidable manual P 262 0.3238 50 0.55 64
IV.ESML.HHZ. 2020-12-03T16:14:09.35 0.6 undecidable manual S 208 0.1547 120 0.16 48
IV.AIO.HHZ. 2020-12-03T16:14:08.88 0.3 undecidable manual P 43 0.2986 50 -0.08 71
IV.ENIC.HHZ. 2020-12-03T16:14:08.32 0.6 undecidable manual S 162 0.1286 125 -0.04 50
IV.EPZF.HHZ. 2020-12-03T16:14:08.23 0.6 undecidable manual S 308 0.1142 128 0.31 47
IV.MUCR.HHZ. 2020-12-03T16:14:08.93 0.3 undecidable manual P 345 0.2986 50 -0.03 72
IV.ECBD.HHZ. 2020-12-03T16:14:07.78 0.6 undecidable manual S 74 0.0944 134 0.46 46
IV.EPOZ.HNZ. 2020-12-03T16:14:07.05 0.3 undecidable manual P 116 0.1898 116 0.08 73
IV.EPIT.HHZ. 2020-12-03T16:14:07.66 0.6 undecidable manual S 49 0.0881 136 0.5 45
IV.EFIU.HHZ. 2020-12-03T16:14:07.32 0.3 undecidable manual P 79 0.1916 115 0.31 70
IV.ECHR.HNZ. 2020-12-03T16:14:07.65 0.6 undecidable manual S 215 0.0827 138 0.63 43
IV.ESML.HHZ. 2020-12-03T16:14:06.33 0.3 undecidable manual P 208 0.1547 120 0.05 74
IV.EMSG.HHZ. 2020-12-03T16:14:06.89 0.6 undecidable manual S 345 0.0692 143 0.21 49
IV.ESLN.HHZ. 2020-12-03T16:14:06.50 0.6 undecidable manual S 178 0.0612 146 0 51
IV.ECTS.HHZ. 2020-12-03T16:14:06.27 0.3 undecidable manual P 43 0.1736 118 -0.38 69
IV.EMCN.HNZ. 2020-12-03T16:14:06.45 0.6 undecidable manual S 53 0.0612 146 -0.06 50
IV.ENIC.HHZ. 2020-12-03T16:14:06.10 0.3 undecidable manual P 162 0.1286 125 0.3 71
IV.ECBD.HHZ. 2020-12-03T16:14:05.03 0.1 undecidable manual P 74 0.0944 134 -0.17 97
IV.EPZF.HHZ. 2020-12-03T16:14:05.03 0.1 negative manual P 308 0.1142 128 -0.51 90
IV.EPIT.HHZ. 2020-12-03T16:14:05.15 0.1 positive manual P 49 0.0881 136 0.05 100
IV.EMCN.HNZ. 2020-12-03T16:14:04.49 0.1 undecidable manual P 53 0.0612 146 -0.24 97
IV.ECHR.HNZ. 2020-12-03T16:14:04.88 0.1 undecidable manual P 215 0.0827 138 -0.14 98
IV.ESLN.HHZ. 2020-12-03T16:14:04.51 0.1 undecidable manual P 178 0.0612 146 -0.21 97
IV.EMSG.HHZ. 2020-12-03T16:14:04.56 0.1 negative manual P 345 0.0692 143 -0.27 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ESLN.HHE. ML:2.2 0.002505294 0.384 AML other m 2020-12-03T16:14:06.81
IV.ESLN.HHN. ML:2.3 0.0031713375 0.32 AML other m 2020-12-03T16:14:06.67
IV.EMCN.HNN. ML:2 0.001474007 0.4096 AML other m 2020-12-03T16:14:06.89
IV.EMSG.HHE. ML:2.4 0.0037041565 0.2944 AML other m 2020-12-03T16:14:07.14
IV.EMCN.HHE. ML:2.1 0.0021119545 0.512 AML other m 2020-12-03T16:14:06.95
IV.EMCN.HNE. ML:2.2 0.0022404065 0.5376 AML other m 2020-12-03T16:14:06.96
IV.EMSG.HHN. ML:2.3 0.0027064425 0.2944 AML other m 2020-12-03T16:14:07.25
IV.EPZF.HHN. ML:1.6 0.00045940215 0.3712 AML other m 2020-12-03T16:14:08.45
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