Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 03-01-2022 and time 00:21:39 (Italy) in region 4 km SE Randazzo (CT)

A magnitude ML 2.3 earthquake occured in region: 4 km SE Randazzo (CT), on

  • 02-01-2022 23:21:39 (UTC)
  • 03-01-2022 00:21:39 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.8490, 14.9660 at 29 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
Randazzo CT 4 10900 10900
Santa Domenica Vittoria ME 8 980 11880
Maletto CT 9 3920 15800
Moio Alcantara ME 9 717 16517
Roccella Valdemone ME 10 666 17183
Malvagna ME 11 733 17916
Bronte CT 14 19172 37088
Maniace CT 14 3765 40853
Castiglione di Sicilia CT 14 3215 44068
Linguaglossa CT 16 5403 49471
Francavilla di Sicilia ME 16 3945 53416
Floresta ME 16 485 53901
Motta Camastra ME 19 845 54746
Piedimonte Etneo CT 19 3963 58709
Milo CT 19 1087 59796
Sant'Alfio CT 20 1582 61378
Montalbano Elicona ME 20 2287 63665

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km NW of Acireale (52622 inhabitants)
40 Km N of Catania (314555 inhabitants)
64 Km SW of Messina (238439 inhabitants)
66 Km W of Reggio di Calabria (183035 inhabitants)
89 Km E of Caltanissetta (63360 inhabitants)
92 Km NW of Siracusa (122291 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 2022-01-02
23:21:39		 37.8492 14.9663 29 2022-07-08
12:33:34		 Bollettino Sismico Italiano INGV 101672851
Reviewed
Rev200 		ML 1.8 2022-01-02
23:21:40		 37.895 14.989 20 2022-04-15
15:24:17		 Sala Operativa INGV_OE (Catania) 99265031
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-01-02 23:21:39 ± 0.14
Latitude 37.8492 ± 0.0054
Longitude 14.9663 ± 0.0080
Depth (km) 29 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 101672851

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 707
Semi-minor axis of confidence ellipse (meter) 232
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 287
Circular confidence region, given by single value of horizontal uncertainty (meter) 710.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 67
Number of associated phases, regardless of their use for origin computation 39
Number of defining phases 39
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.05756
Epicentral distance of station farthest from the epicenter (degree) 0.92630
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 23
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 28
Type of magnitude ML
Reference to an origin 101672851
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-04-15 15:23:38

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 99265031
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2022-01-02 23:26:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HVIT.HHZ. 2022-01-02T23:22:10.31 0.6 undecidable manual S 203 102.8193 101 0.2 41
IV.HMDC.HHN. 2022-01-02T23:22:09.45 0.6 undecidable manual S 189 100.0221 102 0.05 42
IV.MSRU.HHE. 2022-01-02T23:22:01.79 0.6 undecidable manual S 46 65.9895 108 1.18 31
IV.HAGA.HHE. 2022-01-02T23:22:00.34 0.6 undecidable manual S 165 64.7907 109 0.06 45
IV.HLNI.HHN. 2022-01-02T23:21:57.90 0.6 undecidable manual S 189 56.1993 112 -0.23 44
IV.HVIT.HHZ. 2022-01-02T23:21:57.31 0.3 undecidable manual P 203 102.8193 101 0.03 63
IV.HMDC.HHN. 2022-01-02T23:21:56.60 0.3 undecidable manual P 189 100.0221 102 -0.27 61
IV.MSFR.HHZ. 2022-01-02T23:21:54.15 0.6 undecidable manual S 302 38.628 122 0.2 46
IV.MCPD.HHZ. 2022-01-02T23:21:53.54 0.6 undecidable manual S 326 36.4413 123 0.1 47
IV.MSRU.HHE. 2022-01-02T23:21:52.44 0.3 undecidable manual P 46 65.9895 108 0.65 58
IV.AIO.HHZ. 2022-01-02T23:21:51.20 0.3 undecidable manual S 60 26.9508 133 -0.25 70
IV.HAGA.HHE. 2022-01-02T23:21:51.34 0.3 undecidable manual P 165 64.7907 109 -0.26 65
IV.MUCR.HHZ. 2022-01-02T23:21:50.36 0.3 undecidable manual S 339 22.9548 138 -0.34 69
IV.ESCV.HHN. 2022-01-02T23:21:50.77 0.6 undecidable manual S 229 17.4714 146 0.99 37
IV.HLNI.HHN. 2022-01-02T23:21:50.16 0.3 undecidable manual P 189 56.1993 112 -0.21 67
IV.ESPC.HHN. 2022-01-02T23:21:49.45 0.3 undecidable manual S 163 18.1707 145 -0.44 68
IV.ECBD.HHN. 2022-01-02T23:21:49.29 0.3 undecidable manual S 126 12.9759 153 0.1 74
IV.MPNC.HHN. 2022-01-02T23:21:49.20 0.3 undecidable manual P 46 47.2194 116 0.1 70
IV.EMNR.HHZ. 2022-01-02T23:21:48.83 0.3 undecidable manual S 124 6.3936 166 0.25 73
IV.EPIT.HHE. 2022-01-02T23:21:48.96 0.3 undecidable manual S 118 8.9799 161 0.19 73
IV.ECTS.HHN. 2022-01-02T23:21:48.58 0.3 undecidable manual S 75 14.0748 152 -0.73 61
IV.EPZF.HHZ. 2022-01-02T23:21:48.95 0.3 undecidable manual S 254 9.9789 159 0.09 75
IV.MSFR.HHZ. 2022-01-02T23:21:47.91 0.3 undecidable manual P 302 38.628 122 -0.04 72
IV.MCPD.HHZ. 2022-01-02T23:21:47.36 0.3 undecidable manual P 326 36.4413 123 -0.29 69
IV.ESCV.HHN. 2022-01-02T23:21:46.13 0.3 undecidable manual P 229 17.4714 146 0.59 65
IV.AIO.HHZ. 2022-01-02T23:21:46.22 0.1 undecidable manual P 60 26.9508 133 -0.29 93
IV.EMFO.HHE. 2022-01-02T23:21:46.33 0.3 undecidable manual P 139 16.6722 147 0.85 59
IV.EFIU.HHN. 2022-01-02T23:21:46.07 0.3 undecidable manual P 107 22.3554 139 0.06 74
IV.ESAL.HHE. 2022-01-02T23:21:45.78 0.6 undecidable manual P 125 18.0708 145 0.18 48
IV.EPDN.HHZ. 2022-01-02T23:21:45.69 0.6 undecidable manual P 154 10.2786 159 0.66 43
IV.ESPC.HHN. 2022-01-02T23:21:45.09 0.3 undecidable manual P 163 18.1707 145 -0.52 67
IV.MUCR.HHZ. 2022-01-02T23:21:45.70 0.1 undecidable manual P 339 22.9548 138 -0.37 92
IV.ECBD.HHN. 2022-01-02T23:21:45.23 0.3 undecidable manual P 126 12.9759 153 0.03 75
IV.EPZF.HHZ. 2022-01-02T23:21:45.06 0.1 undecidable manual P 254 9.9789 159 0.05 100
IV.EMFS.HHE. 2022-01-02T23:21:45.42 0.3 undecidable manual P 169 14.6742 151 0.11 74
IV.EMNR.HHZ. 2022-01-02T23:21:44.84 0.3 undecidable manual P 124 6.3936 166 0 76
IV.EPIT.HHE. 2022-01-02T23:21:44.88 0.1 undecidable manual P 118 8.9799 161 -0.08 100
IV.EMCN.HHN. 2022-01-02T23:21:44.91 0.3 undecidable manual P 137 8.6802 162 -0.04 75
IV.ECTS.HHN. 2022-01-02T23:21:44.78 0.1 undecidable manual P 75 14.0748 152 -0.49 91
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ECTS.HHN. ML:2.6 0.0017695319999999999 0.2048 AML other m 2022-01-02T23:21:49.07
IV.ECTS.HHE. ML:2.5 0.001471532 0.3328 AML other m 2022-01-02T23:21:49.19
IV.EPIT.HHE. ML:2.6 0.002291865 0.3328 AML other m 2022-01-02T23:21:49.52
IV.SSY.HHN. ML:2.8 0.0009908319 0.1792 AML other m 2022-01-02T23:21:50.55
IV.MUCR.HHN. ML:2.1 0.0004893257 0.32 AML other m 2022-01-02T23:21:50.68
IV.MUCR.HHE. ML:2.3 0.00080519465 0.3072 AML other m 2022-01-02T23:21:50.68
IV.EPZF.HHE. ML:2.1 0.0006019655 0.32 AML other m 2022-01-02T23:21:50.69
IV.EPZF.HHN. ML:2.1 0.00068197525 0.2304 AML other m 2022-01-02T23:21:51.37
IV.AIO.HHE. ML:2.0 0.00039403010000000005 0.192 AML other m 2022-01-02T23:21:51.32
IV.EFIU.HHE. ML:1.9 0.00030456389999999997 0.3456 AML other m 2022-01-02T23:21:54.18
IV.EPIT.HHN. ML:2.7 0.0026700919999999998 0.2432 AML other m 2022-01-02T23:21:51.87
IV.SSY.HHE. ML:2.5 0.00047522240000000005 0.3968 AML other m 2022-01-02T23:21:52.01
IV.AIO.HHN. ML:2.0 0.0004062731 0.2688 AML other m 2022-01-02T23:21:52.46
IV.HVZN.HHN. ML:2.2 0.00022655349999999998 0.3328 AML other m 2022-01-02T23:21:53.02
IV.EFIU.HHN. ML:1.9 0.00032785985 0.3584 AML other m 2022-01-02T23:21:53.15
IV.MCPD.HHN. ML:1.8 0.0001798116 0.2816 AML other m 2022-01-02T23:21:54.20
IV.MCPD.HHE. ML:1.6 0.0001219944 0.32 AML other m 2022-01-02T23:21:54.66
IV.SSY.HNE. ML:2.4 0.00029707215 0.2304 AML other m 2022-01-02T23:21:54.94
IV.HMDC.HHE. ML:2.4 0.00021210095 0.256 AML other m 2022-01-02T23:21:55.85
IV.HMDC.HNE. ML:2.5 0.0002878477 0.96 AML other m 2022-01-02T23:21:55.83
IV.HVIT.HHE. ML:1.9 0.00007338025000000001 0.128 AML other m 2022-01-02T23:21:57.40
IV.HVZN.HHE. ML:2.4 0.00033332249999999994 0.3968 AML other m 2022-01-02T23:22:06.64
IV.SSY.HNN. ML:2.4 0.00030745984999999996 0.2944 AML other m 2022-01-02T23:22:06.99
IV.HMDC.HNN. ML:2.6 0.00033048213 0.4224 AML other m 2022-01-02T23:22:09.93
IV.HMDC.HHN. ML:2.4 0.00023630265 0.448 AML other m 2022-01-02T23:22:09.93
IV.HVIT.HHN. ML:2.0 0.000089286375 0.1792 AML other m 2022-01-02T23:22:12.73
IV.ESCV.HHE. ML:2.1 0.0005485816 0.1792 AML other m 2022-01-02T23:21:52.56
IV.ESCV.HHN. ML:2.2 0.0007307361999999999 0.192 AML other m 2022-01-02T23:21:52.52
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