Earthquake with magnitude of ML 2.2 on date 06-12-2020 and time 23:45:57 (Italy) in region 3 km SE Bronte (CT)

A magnitude ML 2.2 earthquake occured in region: 3 km SE Bronte (CT), on

  • 06-12-2020 22:45:57 (UTC)
  • 06-12-2020 23:45:57 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.76, 14.85 at 26 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Bronte CT 3 19172 19172
Maletto CT 7 3920 23092
Adrano CT 11 36122 59214
Maniace CT 12 3765 62979
Biancavilla CT 14 24007 86986
Randazzo CT 15 10900 97886
CesarĂ² ME 15 2439 100325
San Teodoro ME 17 1403 101728
Ragalna CT 17 3924 105652
Santa Maria di Licodia CT 17 7641 113293
Centuripe EN 19 5470 118763
Santa Domenica Vittoria ME 19 980 119743

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km NW of Acireale (52622 inhabitants)
36 Km NW of Catania (314555 inhabitants)
76 Km E of Caltanissetta (63360 inhabitants)
78 Km SW of Messina (238439 inhabitants)
79 Km SW of Reggio di Calabria (183035 inhabitants)
87 Km NW of Siracusa (122291 inhabitants)
94 Km N of Ragusa (73313 inhabitants)
94 Km NE of Gela (75827 inhabitants)
95 Km N of Vittoria (63339 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 2020-12-06
22:45:57
37.76 14.85 27 2021-02-26
14:56:19
Bollettino Sismico Italiano INGV 87307601
Reviewed
Rev200
ML 1.8 2020-12-06
22:45:57
37.77 14.91 20 2021-02-19
23:21:34
Sala Operativa INGV_OE (Catania) 85254581
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-12-06 22:45:57 ± 0.13
Latitude 37.76 ± 0.01
Longitude 14.85 ± 0.01
Depth (km) 27 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 87307601

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 899
Semi-minor axis of confidence ellipse (meter) 153
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 97
Circular confidence region, given by single value of horizontal uncertainty (meter) 900
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 144
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) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.05936
Epicentral distance of station farthest from the epicenter (degree) 0.83187
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:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 87307601
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-02-19 23:21:14

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 85254581
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2020-12-06 23:40:55
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.HAVL.HHZ. 2020-12-06T22:46:24.60 0.6 undecidable manual S 165 0.8319 101 -0.1 43
IV.SSY.HHZ. 2020-12-06T22:46:19.22 0.6 undecidable manual S 164 0.6304 105 0.33 42
IV.MPNC.HHZ. 2020-12-06T22:46:16.64 0.6 undecidable manual S 46 0.5477 108 0.12 45
IV.HAGA.HHZ. 2020-12-06T22:46:16.00 0.6 undecidable manual S 153 0.5351 108 -0.17 45
IV.HLNI.HHZ. 2020-12-06T22:46:13.17 0.6 undecidable manual S 178 0.4155 114 0.31 44
IV.HAVL.HHZ. 2020-12-06T22:46:12.76 0.3 undecidable manual P 165 0.8319 101 -0.32 61
IV.EFIU.HHE. 2020-12-06T22:46:10.36 0.6 undecidable manual S 85 0.2824 125 0.97 35
IV.SSY.HHZ. 2020-12-06T22:46:09.61 0.1 undecidable manual P 164 0.6304 105 -0.11 88
IV.MUCR.HHZ. 2020-12-06T22:46:09.13 0.6 undecidable manual S 3 0.2788 125 -0.18 46
IV.MPNC.HHZ. 2020-12-06T22:46:08.35 0.3 undecidable manual P 46 0.5477 108 0 68
IV.ECTS.HHZ. 2020-12-06T22:46:08.15 0.6 undecidable manual S 61 0.241 130 -0.27 46
IV.HAGA.HHZ. 2020-12-06T22:46:07.77 0.3 undecidable manual P 153 0.5351 108 -0.38 64
IV.ECBD.HHN. 2020-12-06T22:46:07.26 0.6 undecidable manual S 85 0.1844 138 0.06 48
IV.EMCN.HNZ. 2020-12-06T22:46:06.55 0.6 undecidable manual S 79 0.1439 145 0.08 49
IV.ECHR.HHE. 2020-12-06T22:46:06.40 0.6 undecidable manual S 149 0.0908 157 0.7 41
IV.HLNI.HHZ. 2020-12-06T22:46:06.15 0.1 undecidable manual P 178 0.4155 114 -0.09 93
IV.ESLN.HHZ. 2020-12-06T22:46:05.61 0.6 undecidable manual S 127 0.1187 151 -0.46 46
IV.MSFR.HHZ. 2020-12-06T22:46:05.70 0.3 undecidable manual P 322 0.3399 119 0.63 62
IV.EPZF.HHZ. 2020-12-06T22:46:05.76 0.6 undecidable manual S 2 0.0594 164 0.36 47
IV.EMSG.HHZ. 2020-12-06T22:46:05.56 0.6 undecidable manual S 53 0.0944 156 -0.18 48
IV.MUCR.HHZ. 2020-12-06T22:46:04.29 0.3 undecidable manual P 3 0.2788 125 0.1 72
IV.EPOZ.HHZ. 2020-12-06T22:46:04.44 0.3 undecidable manual P 109 0.2797 125 0.23 69
IV.EFIU.HHE. 2020-12-06T22:46:04.62 0.3 undecidable manual P 85 0.2824 125 0.38 67
IV.ECTS.HHZ. 2020-12-06T22:46:03.33 0.1 undecidable manual P 61 0.241 130 -0.35 91
IV.ENIC.HHZ. 2020-12-06T22:46:03.23 0.3 undecidable manual P 135 0.1871 138 0.22 71
IV.EVRN.HHZ. 2020-12-06T22:46:03.16 0.3 undecidable manual P 109 0.2347 131 -0.43 67
IV.ECHR.HHE. 2020-12-06T22:46:02.12 0.1 undecidable manual P 149 0.0908 157 0.01 100
IV.ECBD.HHN. 2020-12-06T22:46:02.88 0.1 undecidable manual P 85 0.1844 138 -0.09 97
IV.ESLN.HHZ. 2020-12-06T22:46:02.18 0.3 undecidable manual P 127 0.1187 151 -0.14 73
IV.EPIT.HHN. 2020-12-06T22:46:02.75 0.1 undecidable manual P 74 0.1664 141 -0.03 98
IV.EMCN.HNZ. 2020-12-06T22:46:02.52 0.3 undecidable manual P 79 0.1439 145 -0.02 74
IV.ESML.HHZ. 2020-12-06T22:46:02.71 0.3 undecidable manual P 172 0.1475 145 0.13 72
IV.EMSG.HHZ. 2020-12-06T22:46:01.94 0.1 positive manual P 53 0.0944 156 -0.19 96
IV.EPZF.HHZ. 2020-12-06T22:46:01.77 0.1 undecidable manual P 2 0.0594 164 -0.16 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EPZF.HHE. ML:2.6 0.00207 0.5 AML other m 2020-12-06T22:46:06.40
IV.EMCN.HHN. ML:2.6 0.00178 0.66 AML other m 2020-12-06T22:46:07.57
IV.EMCN.HNN. ML:2.5 0.001715 0.64 AML other m 2020-12-06T22:46:07.57
IV.EMCN.HNE. ML:2.6 0.001955 0.88 AML other m 2020-12-06T22:46:07.21
IV.EMCN.HHE. ML:2.6 0.00187 0.88 AML other m 2020-12-06T22:46:07.21
IV.EPZF.HHN. ML:2.3 0.001145 0.42 AML other m 2020-12-06T22:46:07.87
IV.EVRN.HHN. ML:2 0.000426 0.54 AML other m 2020-12-06T22:46:07.57
IV.ESML.HHE. ML:2 0.000492 0.94 AML other m 2020-12-06T22:46:08.06
IV.ECTS.HHN. ML:2 0.000368 0.5 AML other m 2020-12-06T22:46:08.65
IV.EMSG.HHN. ML:2.3 0.001235 1 AML other m 2020-12-06T22:46:08.43
IV.ECTS.HHE. ML:2.1 0.0004805 1.08 AML other m 2020-12-06T22:46:08.96
IV.EMSG.HHE. ML:2.3 0.00105 0.8 AML other m 2020-12-06T22:46:09.71
IV.ENIC.HHN. ML:2 0.000429 0.56 AML other m 2020-12-06T22:46:10.97
IV.EVRN.HHE. ML:2.1 0.000526 0.72 AML other m 2020-12-06T22:46:11.55
IV.ENIC.HHE. ML:2 0.0005105 0.58 AML other m 2020-12-06T22:46:11.69
IV.MUCR.HHE. ML:1.8 0.0001935 1.16 AML other m 2020-12-06T22:46:12.78
IV.MUCR.HHN. ML:1.8 0.00022 0.42 AML other m 2020-12-06T22:46:13.30
IV.ESML.HHN. ML:1.9 0.000393 0.56 AML other m 2020-12-06T22:46:14.07
IV.HAGA.HHE. ML:2 0.00018665 0.6 AML other m 2020-12-06T22:46:16.85
IV.HAGA.HHN. ML:2.1 0.000239 0.7 AML other m 2020-12-06T22:46:17.12
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