Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 12-01-2023 and time 20:42:51 (UTC) in region 1 km NE Belpasso (CT)

A magnitude ML 1.2 earthquake occured in region: 1 km NE Belpasso (CT), on

  • 12-01-2023 20:42:51 (UTC)
  • 12-01-2023 21:42:51 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.5970, 14.9820 at 21 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
Belpasso CT 1 28108 28108
Camporotondo Etneo CT 4 5023 33131
Nicolosi CT 5 7463 40594
San Pietro Clarenza CT 5 7743 48337
Ragalna CT 5 3924 52261
Mascalucia CT 7 31958 84219
Pedara CT 7 14102 98321
Paternò CT 7 48228 146549
Gravina di Catania CT 8 25838 172387
Tremestieri Etneo CT 8 20589 192976
Santa Maria di Licodia CT 9 7641 200617
Misterbianco CT 9 49410 250027
Trecastagni CT 9 10910 260937
Motta Sant'Anastasia CT 9 12116 273053
Sant'Agata li Battiati CT 10 9479 282532
San Giovanni la Punta CT 10 23060 305592
Viagrande CT 10 8563 314155
Biancavilla CT 11 24007 338162
Aci Bonaccorsi CT 11 3524 341686
San Gregorio di Catania CT 12 11966 353652
Aci Sant'Antonio CT 13 17984 371636
Valverde CT 13 7840 379476
Catania CT 14 314555 694031
Aci Catena CT 14 29851 723882
Adrano CT 15 36122 760004
Aci Castello CT 15 18723 778727
Zafferana Etnea CT 15 9517 788244
Acireale CT 16 52622 840866
Santa Venerina CT 17 8592 849458
Milo CT 19 1087 850545

Municipalities with at least 50000 inhabitants

An earthquake occurred to
14 Km NW of Catania (314555 inhabitants)
16 Km W of Acireale (52622 inhabitants)
66 Km NW of Siracusa (122291 inhabitants)
78 Km N of Ragusa (73313 inhabitants)
82 Km SW of Reggio di Calabria (183035 inhabitants)
82 Km E of Caltanissetta (63360 inhabitants)
82 Km NE of Vittoria (63339 inhabitants)
83 Km SW of Messina (238439 inhabitants)
84 Km N of Modica (54633 inhabitants)
88 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 1.2 2023-01-12
20:42:51		 37.597 14.9823 21 2024-03-01
17:18:14		 Bollettino Sismico Italiano INGV 119857511
Reviewed
Rev100 		ML 1.2 2023-01-12
20:42:52		 37.5743 15.0098 18 2023-01-12
20:55:36		 Sala Sismica INGV-Roma 113502671
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-01-12 20:42:51 ± 0.3
Latitude 37.5970 ± 0.0099
Longitude 14.9823 ± 0.0125
Depth (km) 21 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 119857511

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1079
Semi-minor axis of confidence ellipse (meter) 910
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 89
Circular confidence region, given by single value of horizontal uncertainty (meter) 1080.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 86
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.34084
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.4
Num. used stations 6
Type of magnitude ML
Reference to an origin 113502671
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-01-12 20:55:36

ML:1.2

Field Value
Value 1.2
Uncertainty 0.4
Num. used stations 6
Type of magnitude ML
Reference to an origin 119857511
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-08-04 16:48:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSNT.HHZ. 2023-01-12T20:44:19.96 3.0 undecidable manual Pg 16.969999 0
GU.RNCA.HHZ. 2023-01-12T20:44:17.91 3.0 undecidable manual Pn -9.99 0
AC.SRN.HHZ. 2023-01-12T20:44:15.09 3.0 undecidable manual Sn -5.41 0
IV.SACR.HNZ. 2023-01-12T20:44:03.67 3.0 undecidable manual Sg 4.56 0
IV.MOCO.HNZ. 2023-01-12T20:44:02.53 3.0 undecidable manual Sg 5.34 0
IV.MTMR.EHZ. 2023-01-12T20:43:48.10 3.0 undecidable manual Sg 1.5 0
IV.SNTG.HHZ. 2023-01-12T20:43:47.61 3.0 undecidable manual Pn -4.73 0
IV.MSAG.HHZ. 2023-01-12T20:43:33.75 3.0 undecidable manual Pg 7.57 0
IV.SALB.HHZ. 2023-01-12T20:43:20.73 3.0 undecidable manual S -3.81 0
IV.HAGA.HHZ. 2023-01-12T20:43:05.07 0.6 undecidable manual S 156 37.8288 111 0.07 48
IV.HCRL.HHN. 2023-01-12T20:43:04.58 0.6 undecidable manual S 173 35.1426 113 0.24 47
IV.HLNI.HHZ. 2023-01-12T20:43:02.50 0.3 undecidable manual S 199 29.2485 118 -0.42 66
IV.EMSA.HHE. 2023-01-12T20:43:00.10 0.6 undecidable manual S 197 11.4774 148 0.71 43
IV.ESML.HHZ. 2023-01-12T20:42:59.11 0.3 undecidable manual S 285 9.3795 153 0 76
IV.HCRL.HHN. 2023-01-12T20:42:59.05 0.3 undecidable manual P 173 35.1426 113 -0.04 72
IV.HAGA.HHZ. 2023-01-12T20:42:59.57 0.3 undecidable manual P 156 37.8288 111 0.09 71
IV.ENIC.HHZ. 2023-01-12T20:42:58.71 0.3 undecidable manual S 42 5.1948 165 0.01 76
IV.EMAS.HHE. 2023-01-12T20:42:58.32 0.6 undecidable manual S 108 6.4935 161 -0.49 46
IV.HLNI.HHZ. 2023-01-12T20:42:58.22 0.3 undecidable manual P 199 29.2485 118 -0.05 72
IV.EMPL.HHN. 2023-01-12T20:42:56.81 0.6 undecidable manual P 353 9.1797 154 0.75 41
IV.ESML.HHZ. 2023-01-12T20:42:56.14 0.1 undecidable manual P 285 9.3795 153 0.07 100
IV.EMSA.HHE. 2023-01-12T20:42:56.56 0.3 undecidable manual P 197 11.4774 148 0.33 71
IV.ESPC.HHN. 2023-01-12T20:42:56.17 0.3 undecidable manual P 20 11.2776 148 -0.05 76
IV.EMAS.HHE. 2023-01-12T20:42:55.40 0.6 undecidable manual P 108 6.4935 161 -0.5 46
IV.ENIC.HHZ. 2023-01-12T20:42:55.46 0.1 undecidable manual P 42 5.1948 165 -0.38 95
IV.SPS2.HHZ. 2023-01-12T20:42:53.84 3.0 positive manual P -1.85 0
1J.FX13.HHZ. 2023-01-12T20:42:52.99 3.0 positive manual P 2.87 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ENIC.HHN. ML:1.4 0.00019317497499999998 1.7184 AML other m 2023-01-12T20:42:58.04
IV.ESML.HHN. ML:1.2 0.00012571375000000002 0.2304 AML other m 2023-01-12T20:42:59.24
IV.ESML.HHE. ML:1.2 0.0001234237 0.2816 AML other m 2023-01-12T20:42:59.26
IV.ENIC.HHE. ML:1.6 0.00029071285 0.1408 AML other m 2023-01-12T20:43:00.77
IV.HLNI.HHN. ML:0.6 0.0000140275145 0.128 AML other m 2023-01-12T20:43:02.92
IV.HLNI.HHE. ML:0.6 0.000017283915 0.128 AML other m 2023-01-12T20:43:02.92
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