Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 12-01-2023 and time 14:22:40 (UTC) in region 2 km W Biancavilla (CT)

A magnitude ML 2.3 earthquake occured in region: 2 km W Biancavilla (CT), on

  • 12-01-2023 14:22:40 (UTC)
  • 12-01-2023 15:22:40 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.6340, 14.8460 at 7 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
Biancavilla CT 2 24007 24007
Adrano CT 3 36122 60129
Santa Maria di Licodia CT 4 7641 67770
Paternò CT 8 48228 115998
Ragalna CT 8 3924 119922
Centuripe EN 9 5470 125392
Belpasso CT 13 28108 153500
Catenanuova EN 15 4866 158366
Camporotondo Etneo CT 16 5023 163389
Nicolosi CT 16 7463 170852
San Pietro Clarenza CT 17 7743 178595
Bronte CT 17 19172 197767
Motta Sant'Anastasia CT 17 12116 209883
Regalbuto EN 18 7277 217160
Misterbianco CT 19 49410 266570
Pedara CT 19 14102 280672
Mascalucia CT 20 31958 312630

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km NW of Catania (314555 inhabitants)
28 Km W of Acireale (52622 inhabitants)
71 Km E of Caltanissetta (63360 inhabitants)
75 Km NW of Siracusa (122291 inhabitants)
79 Km N of Ragusa (73313 inhabitants)
81 Km NE of Vittoria (63339 inhabitants)
82 Km NE of Gela (75827 inhabitants)
86 Km N of Modica (54633 inhabitants)
88 Km SW of Reggio di Calabria (183035 inhabitants)
88 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 2.3 2023-01-12
14:22:40		 37.6345 14.8463 7 2024-03-01
17:18:14		 Bollettino Sismico Italiano INGV 119856381
Reviewed
Rev200 		ML 2.3 2023-01-12
14:22:39		 37.65 14.881 3 2023-08-04
14:51:17		 Sala Operativa INGV_OE (Catania) 113495861
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-01-12 14:22:40 ± 0.12
Latitude 37.6345 ± 0.0063
Longitude 14.8463 ± 0.0102
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 119856381

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 749
Semi-minor axis of confidence ellipse (meter) 653
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 88
Circular confidence region, given by single value of horizontal uncertainty (meter) 750.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 66
Number of associated phases, regardless of their use for origin computation 43
Number of defining phases 43
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.42
Epicentral distance of station closest to the epicenter (degree) 0.03058
Epicentral distance of station farthest from the epicenter (degree) 0.67719
Number of stations at which the event was observed 36
Number of stations from which data was used for origin computation 36
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 1.0
Num. used stations
Type of magnitude ML
Reference to an origin 113495861
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2023-01-12 14:29:49

ML:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations 32
Type of magnitude ML
Reference to an origin 119856381
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-08-04 14:50:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HMDC.HHZ. 2023-01-12T14:22:53.57 0.6 undecidable manual P 184 75.1692 50 -0.33 42
IV.RAFF.HHZ. 2023-01-12T14:22:52.10 0.3 undecidable manual P 223 62.493 50 0.15 67
IV.HLNI.HHZ. 2023-01-12T14:22:51.97 0.6 undecidable manual S 176 31.8459 102 0.35 46
IV.MSFR.HHZ. 2023-01-12T14:22:50.70 0.6 undecidable manual P 333 49.617 50 0.74 39
IV.HVZN.HHZ. 2023-01-12T14:22:50.61 0.6 undecidable manual P 193 51.9036 50 0.29 45
IV.SSY.HHZ. 2023-01-12T14:22:50.38 0.3 undecidable manual P 159 56.5989 50 -0.66 59
IV.AIO.HHZ. 2023-01-12T14:22:49.76 0.6 undecidable manual P 42 50.4162 50 -0.33 44
IV.MUCR.HHZ. 2023-01-12T14:22:49.52 0.6 undecidable manual P 3 45.4212 50 0.21 46
IV.ENIC.HHZ. 2023-01-12T14:22:47.19 0.6 undecidable manual S 91 15.3735 113 1.03 36
IV.ECTS.HHZ. 2023-01-12T14:22:47.17 0.6 undecidable manual P 41 36.5412 100 -0.6 42
1J.FX07.HHZ. 2023-01-12T14:22:47.14 0.6 undecidable manual P 109 27.8499 103 1.07 35
IV.EPOZ.HHZ. 2023-01-12T14:22:46.70 0.3 undecidable manual P 82 30.3474 102 0.14 72
IV.EPIT.HHZ. 2023-01-12T14:22:46.21 0.1 undecidable manual P 43 26.9508 104 0.32 93
IV.GALF.HHZ. 2023-01-12T14:22:46.28 0.1 undecidable manual P 289 25.9518 104 0.57 87
IV.ESAL.HHZ. 2023-01-12T14:22:46.24 0.6 undecidable manual P 62 28.6491 103 0.02 49
1J.FX06.EHZ. 2023-01-12T14:22:45.03 0.1 undecidable manual P 132 18.6702 110 0.73 82
IV.HLNI.HHZ. 2023-01-12T14:22:45.94 0.1 undecidable manual P 176 31.8459 102 -0.91 75
IV.ESLN.HHZ. 2023-01-12T14:22:45.80 0.3 undecidable manual S 60 12.9759 117 0.39 70
IV.EMCN.HNZ. 2023-01-12T14:22:45.40 0.3 undecidable manual P 43 23.9538 106 0.09 73
IV.EMAS.HHZ. 2023-01-12T14:22:45.22 0.3 undecidable manual P 109 19.1697 109 0.82 59
IV.ECBD.HHZ. 2023-01-12T14:22:45.66 0.1 undecidable manual P 52 26.5512 104 -0.16 96
IV.EVRN.HHZ. 2023-01-12T14:22:45.51 0.1 undecidable manual P 76 26.1516 104 -0.22 95
IV.ECZM.HHZ. 2023-01-12T14:22:45.90 0.6 undecidable manual S 25 11.877 119 0.84 40
IV.EMSG.HHZ. 2023-01-12T14:22:45.09 0.1 undecidable manual P 24 22.5552 106 0.04 99
IV.EMNR.HHZ. 2023-01-12T14:22:45.57 0.3 undecidable manual P 38 25.6521 105 -0.07 73
IV.EMPL.HHZ. 2023-01-12T14:22:45.40 0.6 undecidable manual S 66 11.9769 119 0.31 48
IV.EPDN.HHZ. 2023-01-12T14:22:45.45 0.6 undecidable manual P 46 20.868 108 0.72 41
IV.EMFO.HHZ. 2023-01-12T14:22:44.73 0.1 undecidable manual P 62 24.1536 105 -0.63 85
IV.ECHR.HNZ. 2023-01-12T14:22:44.79 0.3 undecidable manual S 46 8.1807 129 0.79 61
IV.EPZF.HHZ. 2023-01-12T14:22:44.97 0.1 undecidable manual P 3 21.0678 108 0.21 96
IV.ECNE.HHZ. 2023-01-12T14:22:44.52 0.6 undecidable manual P 43 19.9689 108 -0.02 50
IV.EMSA.HHZ. 2023-01-12T14:22:44.80 0.1 undecidable manual P 150 17.4714 111 0.72 83
IV.ESVO.HHZ. 2023-01-12T14:22:44.11 0.1 undecidable manual P 30 17.7711 111 -0.02 100
IV.ESPC.HHZ. 2023-01-12T14:22:43.49 0.1 undecidable manual P 68 17.1717 111 -0.54 89
IV.EMFS.HHZ. 2023-01-12T14:22:43.42 0.3 undecidable manual P 55 16.2726 112 -0.44 69
IV.ENIC.HHZ. 2023-01-12T14:22:43.82 0.3 undecidable manual P 91 15.3735 113 0.12 74
IV.ESCV.HHZ. 2023-01-12T14:22:43.23 0.3 undecidable manual P 348 12.7761 118 0.01 76
IV.ECZM.HHZ. 2023-01-12T14:22:42.52 0.1 undecidable manual P 25 11.877 119 -0.54 90
IV.ESML.HNZ. 2023-01-12T14:22:42.53 0.3 undecidable manual S 122 3.3966 153 -0.41 71
IV.EMPL.HHZ. 2023-01-12T14:22:42.68 0.1 undecidable manual P 66 11.9769 119 -0.4 93
IV.ESLN.HHZ. 2023-01-12T14:22:42.82 0.1 undecidable manual P 60 12.9759 117 -0.44 92
IV.ESML.HNZ. 2023-01-12T14:22:41.26 0.1 undecidable manual P 122 3.3966 153 -0.58 90
IV.ECHR.HNZ. 2023-01-12T14:22:41.77 0.1 undecidable manual P 46 8.1807 129 -0.68 86
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.HLNI.HHE. ML:1.8 0.00030208749999999994 0.3008 AML other m 2023-01-12T14:22:52.66
IV.EMSG.HHN. ML:2.6 0.0024521465 0.3008 AML other m 2023-01-12T14:22:52.77
IV.HLNI.HHN. ML:1.9 0.00038998034999999996 0.2816 AML other m 2023-01-12T14:22:53.23
IV.EMSG.HHE. ML:2.5 0.0021218895 0.2816 AML other m 2023-01-12T14:22:53.24
IV.EPOZ.HNN. ML:2.4 0.001394873 0.3392 AML other m 2023-01-12T14:22:53.79
IV.EPOZ.HHN. ML:2.4 0.0012302230000000001 0.3584 AML other m 2023-01-12T14:22:53.79
IV.EPZF.HHN. ML:2.4 0.002007823 0.4608 AML other m 2023-01-12T14:22:54.88
IV.EPOZ.HHE. ML:2.4 0.0013792179999999998 0.3584 AML other m 2023-01-12T14:22:55.42
IV.EPOZ.HNE. ML:2.4 0.001403431 0.3328 AML other m 2023-01-12T14:22:55.27
IV.EPIT.HHE. ML:2.3 0.0012495145000000001 0.3392 AML other m 2023-01-12T14:22:55.59
IV.EPZF.HHE. ML:2.4 0.001795105 1.5392 AML other m 2023-01-12T14:22:57.10
IV.GALF.HNE. ML:1.7 0.0002918922 0.4608 AML other m 2023-01-12T14:22:57.97
IV.GALF.HHE. ML:2.7 0.0030082075000000003 1.5584 AML other m 2023-01-12T14:22:58.00
IV.GALF.HNN. ML:2.0 0.000568 1.48 AML other m 2023-01-12T14:22:58.02
IV.GALF.HHN. ML:2.8 0.004215 1.56 AML other m 2023-01-12T14:22:58.02
IV.EPIT.HHN. ML:2.7 0.0030469215 0.4992 AML other m 2023-01-12T14:22:59.88
IV.AIO.HHN. ML:2.2 0.000395 0.42 AML other m 2023-01-12T14:23:00.72
IV.AIO.HHE. ML:2.1 0.0003360993 0.3648 AML other m 2023-01-12T14:23:00.76
IV.MUCR.HHN. ML:2.2 0.0005418386 1.456 AML other m 2023-01-12T14:23:02.25
IV.HVZN.HNE. ML:2.4 0.000639 1.44 AML other m 2023-01-12T14:23:03.09
IV.HVZN.HHE. ML:2.4 0.0006730000000000001 1.42 AML other m 2023-01-12T14:23:03.09
IV.MUCR.HHE. ML:2.2 0.00044500000000000003 0.46 AML other m 2023-01-12T14:23:05.26
IV.HVZN.HHN. ML:2.3 0.0005974999999999999 0.6 AML other m 2023-01-12T14:23:06.08
IV.HVZN.HNN. ML:2.3 0.0005909999999999999 0.6 AML other m 2023-01-12T14:23:06.08
IV.SSY.HHE. ML:2.5 0.0006768503999999999 0.2624 AML other m 2023-01-12T14:23:06.47
IV.SSY.HNE. ML:2.4 0.0005290000000000001 0.4 AML other m 2023-01-12T14:23:06.67
IV.SSY.HNN. ML:2.3 0.0004615 0.4 AML other m 2023-01-12T14:23:06.87
IV.SSY.HHN. ML:2.9 0.0018700000000000001 0.4 AML other m 2023-01-12T14:23:06.87
IV.HMDC.HHE. ML:1.6 0.00005841114 0.256 AML other m 2023-01-12T14:23:08.61
IV.HMDC.HNE. ML:2.2 0.00023921003499999998 0.2944 AML other m 2023-01-12T14:23:08.61
IV.HMDC.HHN. ML:2.2 0.000244 0.3 AML other m 2023-01-12T14:23:08.67
IV.HMDC.HNN. ML:2.2 0.00026345679999999997 0.2816 AML other m 2023-01-12T14:23:08.67
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
Waveforms Seismic signals in miniseed + resp format Download