Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 04-01-2022 and time 07:40:06 (UTC) in region 5 km SE Randazzo (CT)

A magnitude ML 2.3 earthquake occured in region: 5 km SE Randazzo (CT), on

  • 04-01-2022 07:40:06 (UTC)
  • 04-01-2022 08:40:06 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.8460, 14.9860 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 5 10900 10900
Santa Domenica Vittoria ME 8 980 11880
Moio Alcantara ME 8 717 12597
Roccella Valdemone ME 10 666 13263
Malvagna ME 10 733 13996
Maletto CT 11 3920 17916
Castiglione di Sicilia CT 13 3215 21131
Linguaglossa CT 14 5403 26534
Francavilla di Sicilia ME 15 3945 30479
Bronte CT 15 19172 49651
Maniace CT 16 3765 53416
Floresta ME 17 485 53901
Motta Camastra ME 17 845 54746
Piedimonte Etneo CT 18 3963 58709
Milo CT 18 1087 59796
Sant'Alfio CT 18 1582 61378
Zafferana Etnea CT 20 9517 70895
Montalbano Elicona ME 20 2287 73182

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km NW of Acireale (52622 inhabitants)
39 Km N of Catania (314555 inhabitants)
63 Km SW of Messina (238439 inhabitants)
65 Km W of Reggio di Calabria (183035 inhabitants)
90 Km E of Caltanissetta (63360 inhabitants)
91 Km N 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 2022-01-04
07:40:06		 37.8462 14.9857 29 2022-07-08
12:33:36		 Bollettino Sismico Italiano INGV 101974401
Reviewed
Rev200 		ML 2.2 2022-01-04
07:40:06		 37.842 14.978 25 2022-05-03
23:30:49		 Sala Operativa INGV_OE (Catania) 99309801
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-01-04 07:40:06 ± 0.08
Latitude 37.8462 ± 0.0027
Longitude 14.9857 ± 0.0057
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 101974401

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 524
Semi-minor axis of confidence ellipse (meter) 148
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 284
Circular confidence region, given by single value of horizontal uncertainty (meter) 520.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 37
Number of associated phases, regardless of their use for origin computation 80
Number of defining phases 71
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.06750
Number of stations at which the event was observed 52
Number of stations from which data was used for origin computation 43
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 33
Type of magnitude ML
Reference to an origin 101974401
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-05-03 23:30:12

ML:2.2

Field Value
Value 2.2
Uncertainty 0.1
Num. used stations
Type of magnitude ML
Reference to an origin 99309801
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2022-01-04 07:45:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SGG.HHZ. 2022-01-04T07:41:56.37 3.0 undecidable manual Sg 14.19 0
IV.PTRJ.HHZ. 2022-01-04T07:41:44.46 3.0 undecidable manual Sn 3.15 0
IX.SFL3.HNZ.01 2022-01-04T07:41:37.12 3.0 undecidable manual Sg 9.45 0
IV.SACR.HNZ. 2022-01-04T07:41:05.84 3.0 undecidable manual Pg 5.73 0
IV.ERC.EHZ. 2022-01-04T07:41:04.33 3.0 undecidable manual Sg 2.9 0
IV.MESG.HHZ. 2022-01-04T07:41:03.75 3.0 undecidable manual Pn 4.04 0
IV.MTGR.HHZ. 2022-01-04T07:40:55.80 3.0 undecidable manual Sn -2.11 0
GE.MATE.HHZ. 2022-01-04T07:40:51.96 3.0 undecidable manual Pn -1.9 0
IV.LADO.EHZ. 2022-01-04T07:40:45.12 3.0 undecidable manual Pg 4.75 0
IV.ISPIC.EHZ. 2022-01-04T07:40:41.31 0.6 undecidable manual S 184 118.4925 54 0.58 36
IV.HMDC.HHZ. 2022-01-04T07:40:36.09 0.6 undecidable manual S 190 100.0221 102 -0.15 41
IV.HVIT.HHZ. 2022-01-04T07:40:36.86 0.6 undecidable manual S 203 103.119 101 -0.2 40
IV.HSRS.HHZ. 2022-01-04T07:40:32.83 0.6 undecidable manual S 166 86.1471 104 0.21 41
IV.SSY.HHZ. 2022-01-04T07:40:30.44 0.6 undecidable manual S 174 76.7676 106 0.23 42
IV.HVZN.HHZ. 2022-01-04T07:40:30.98 0.6 undecidable manual S 198 77.8665 105 0.5 40
IV.HAGA.HHZ. 2022-01-04T07:40:26.77 0.6 undecidable manual S 167 63.9915 109 -0.19 44
IV.ISPIC.EHZ. 2022-01-04T07:40:26.16 0.3 undecidable manual P 184 118.4925 54 -0.14 59
3D.OEM9.HNE. 2022-01-04T07:40:26.29 0.6 undecidable manual S 0 60.0954 110 0.32 43
IV.MILZ.HHZ. 2022-01-04T07:40:24.32 0.6 undecidable manual S 24 51.8037 114 0.4 43
IV.HLNI.HHZ. 2022-01-04T07:40:24.79 0.1 undecidable manual S 190 56.0994 112 -0.19 89
IV.HMDC.HHZ. 2022-01-04T07:40:23.21 0.3 undecidable manual P 190 100.0221 102 -0.5 57
IV.HVIT.HHZ. 2022-01-04T07:40:23.73 0.3 undecidable manual P 203 103.119 101 -0.45 57
IY.OPPI.HHZ. 2022-01-04T07:40:23.55 1.0 undecidable manual P 62 100.9212 102 -0.29 20
IV.RAFF.HHZ. 2022-01-04T07:40:22.28 0.1 positive manual P 219 88.245 103 0.34 81
IV.MPNC.HHZ. 2022-01-04T07:40:22.43 0.6 undecidable manual S 44 46.2204 117 -0.15 46
IV.MSFR.HHZ. 2022-01-04T07:40:21.21 0.6 undecidable manual S 301 40.3263 121 0.02 47
IV.PLLN.EHZ. 2022-01-04T07:40:21.17 0.3 undecidable manual P 283 75.4689 106 1.13 47
IV.HSRS.HHZ. 2022-01-04T07:40:21.45 0.1 undecidable manual P 166 86.1471 104 -0.17 85
IV.HVZN.HHZ. 2022-01-04T07:40:20.66 0.1 undecidable manual P 198 77.8665 105 0.28 84
IV.MCPD.HHZ. 2022-01-04T07:40:20.00 0.6 undecidable manual S 324 37.629 123 -0.59 40
IV.SSY.HHZ. 2022-01-04T07:40:20.03 0.1 undecidable manual P 174 76.7676 106 -0.19 86
3D.OEM8.HHN. 2022-01-04T07:40:19.20 0.3 undecidable manual P 355 69.375 108 0.07 67
3D.OEM4.HHN. 2022-01-04T07:40:18.58 0.3 undecidable manual P 357 62.5929 110 0.44 63
IV.AIO.HHZ. 2022-01-04T07:40:18.23 0.3 undecidable manual S 57 25.6521 135 0.14 71
IV.ECHR.HNZ. 2022-01-04T07:40:18.10 0.6 undecidable manual S 200 18.87 144 1.21 32
IV.HAGA.HHZ. 2022-01-04T07:40:18.15 0.1 undecidable manual P 167 63.9915 109 -0.19 88
3D.OEM9.HNE. 2022-01-04T07:40:18.03 0.1 undecidable manual P 0 60.0954 110 0.25 87
IV.EMFO.HHZ. 2022-01-04T07:40:17.20 0.6 undecidable manual S 143 15.2736 150 0.83 38
IV.MUCR.HHZ. 2022-01-04T07:40:17.21 0.6 undecidable manual S 336 23.9538 137 -0.55 42
IV.EFIU.HHZ. 2022-01-04T07:40:17.62 0.6 undecidable manual S 108 20.6682 141 0.44 44
IV.ECBD.HHZ. 2022-01-04T07:40:16.46 0.6 undecidable manual S 130 11.4774 156 0.55 43
IV.EPIT.HHZ. 2022-01-04T07:40:16.06 0.6 undecidable manual S 122 7.2927 165 0.52 44
IV.ECZM.HHZ. 2022-01-04T07:40:16.40 0.6 undecidable manual S 209 14.5743 151 0.12 48
IV.HLNI.HHZ. 2022-01-04T07:40:16.83 0.1 undecidable manual P 190 56.0994 112 -0.38 85
IV.ESPC.HHZ. 2022-01-04T07:40:16.05 0.6 undecidable manual S 168 17.4714 146 -0.62 43
IV.ESVO.HHZ. 2022-01-04T07:40:16.08 0.6 undecidable manual S 203 8.7801 162 0.43 46
IV.MILZ.HHZ. 2022-01-04T07:40:16.74 0.1 positive manual P 24 51.8037 114 0.14 90
IV.EMFS.HHZ. 2022-01-04T07:40:16.23 0.6 undecidable manual S 176 14.0748 152 0.02 49
IV.MPNC.HHZ. 2022-01-04T07:40:15.90 0.1 positive manual P 44 46.2204 117 0.08 92
IV.EMNR.HHZ. 2022-01-04T07:40:15.71 0.6 undecidable manual S 133 4.7952 170 0.32 47
IV.EMCN.HHZ. 2022-01-04T07:40:15.60 0.6 undecidable manual S 145 7.3815 164 0.05 49
IV.GALF.HHZ. 2022-01-04T07:40:15.45 0.1 undecidable manual P 248 39.7269 121 0.51 86
IV.ECTS.HHZ. 2022-01-04T07:40:15.37 0.6 undecidable manual S 71 12.4764 155 -0.65 43
IV.EPZF.HHZ. 2022-01-04T07:40:15.78 0.6 undecidable manual S 258 11.5773 156 -0.14 48
IV.MSFR.HHZ. 2022-01-04T07:40:15.00 0.1 negative manual P 301 40.3263 121 -0.01 94
IV.MCPD.HHZ. 2022-01-04T07:40:14.26 0.1 negative manual P 324 37.629 123 -0.41 87
IV.ESML.HHZ. 2022-01-04T07:40:14.17 0.3 undecidable manual P 200 26.9508 133 0.8 58
IV.EPOZ.HNZ. 2022-01-04T07:40:13.32 0.6 undecidable manual P 137 26.2515 134 0.03 48
IV.EVRN.HHZ. 2022-01-04T07:40:13.07 0.3 undecidable manual P 143 21.867 140 0.25 70
IV.AIO.HHZ. 2022-01-04T07:40:13.08 0.3 undecidable manual P 57 25.6521 135 -0.15 71
IV.ESLN.HHZ. 2022-01-04T07:40:12.16 0.3 undecidable manual P 183 16.9719 147 -0.21 71
IV.EFIU.HHZ. 2022-01-04T07:40:12.57 0.3 undecidable manual P 108 20.6682 141 -0.13 72
IV.EMFS.HHZ. 2022-01-04T07:40:12.13 0.1 undecidable manual P 176 14.0748 152 -0.01 99
IV.EMPL.HHZ. 2022-01-04T07:40:12.27 0.3 undecidable manual P 184 18.5703 144 -0.24 70
IV.MUCR.HHZ. 2022-01-04T07:40:12.59 0.1 negative manual P 336 23.9538 137 -0.44 88
IV.ECZM.HHZ. 2022-01-04T07:40:12.17 0.1 undecidable manual P 209 14.5743 151 -0.01 99
IV.ESAL.HHZ. 2022-01-04T07:40:12.42 0.1 negative manual P 128 16.4724 148 0.09 97
IV.ECHR.HNZ. 2022-01-04T07:40:12.91 0.1 undecidable manual P 200 18.87 144 0.38 91
IV.ESCV.HHZ. 2022-01-04T07:40:12.21 0.3 undecidable manual P 234 18.5703 144 -0.3 69
IV.EMFO.HHZ. 2022-01-04T07:40:12.14 0.1 negative manual P 143 15.2736 150 -0.09 98
IV.ESPC.HHZ. 2022-01-04T07:40:11.94 0.1 undecidable manual P 168 17.4714 146 -0.47 90
IV.EMCN.HHZ. 2022-01-04T07:40:11.64 0.1 negative manual P 145 7.3815 164 -0.12 98
IV.EMNR.HHZ. 2022-01-04T07:40:11.55 0.1 negative manual P 133 4.7952 170 -0.12 99
IV.EPIT.HHZ. 2022-01-04T07:40:11.72 0.1 negative manual P 122 7.2927 165 -0.03 100
IV.ESVO.HHZ. 2022-01-04T07:40:11.81 0.1 negative manual P 203 8.7801 162 -0.01 100
IV.ECBD.HHZ. 2022-01-04T07:40:11.83 0.1 negative manual P 130 11.4774 156 -0.14 97
IV.ECNE.HHZ. 2022-01-04T07:40:11.85 0.3 undecidable manual P 171 9.0798 161 0.01 75
IV.EPDN.HHZ. 2022-01-04T07:40:11.76 0.3 undecidable manual P 163 9.2796 161 -0.09 74
IV.EPZF.HHZ. 2022-01-04T07:40:11.62 0.1 positive manual P 258 11.5773 156 -0.35 92
IV.ECTS.HHZ. 2022-01-04T07:40:11.71 0.1 undecidable manual P 71 12.4764 155 -0.32 93
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ECTS.HHN. ML:2.7 0.002271522 0.6784 AML other m 2022-01-04T07:40:15.86
IV.ECTS.HHE. ML:2.3 0.0009772193 0.3008 AML other m 2022-01-04T07:40:15.71
IV.EPZF.HHE. ML:2.6 0.002081486 0.4224 AML other m 2022-01-04T07:40:16.17
IV.EPIT.HHE. ML:2.5 0.0016618425000000001 0.2624 AML other m 2022-01-04T07:40:16.39
IV.EPZF.HHN. ML:2.4 0.0012431445999999998 0.3584 AML other m 2022-01-04T07:40:16.27
IV.EPIT.HHN. ML:2.6 0.002116876 0.2624 AML other m 2022-01-04T07:40:16.46
IV.MUCR.HHN. ML:2.2 0.0006251029500000001 0.3008 AML other m 2022-01-04T07:40:17.56
IV.MUCR.HHE. ML:2.5 0.0013963670000000001 0.3008 AML other m 2022-01-04T07:40:17.57
IV.EFIU.HHE. ML:1.9 0.00032120229999999997 0.5568 AML other m 2022-01-04T07:40:18.43
IV.MCPD.HHN. ML:1.7 0.000142102585 0.3968 AML other m 2022-01-04T07:40:20.57
IV.MCPD.HHE. ML:1.6 0.00011352757 0.5376 AML other m 2022-01-04T07:40:20.60
IV.MSFR.HHE. ML:1.5 0.0000884698 0.6016 AML other m 2022-01-04T07:40:21.71
IV.MSFR.HHN. ML:1.4 0.000073786325 0.3584 AML other m 2022-01-04T07:40:21.52
IV.MPNC.HHE. ML:2.0 0.00022707 0.2368 AML other m 2022-01-04T07:40:22.76
IV.MILZ.HHN. ML:2.2 0.0003125807 0.48 AML other m 2022-01-04T07:40:24.69
IV.MILZ.HHE. ML:2.1 0.00029061315 0.2624 AML other m 2022-01-04T07:40:24.73
IV.HLNI.HHN. ML:2.4 0.0005521019499999999 0.1408 AML other m 2022-01-04T07:40:25.13
IV.HLNI.HHE. ML:2.3 0.00039379665 0.1984 AML other m 2022-01-04T07:40:25.06
IV.HAGA.HHE. ML:2.1 0.00022057569999999998 0.6784 AML other m 2022-01-04T07:40:27.43
IV.HAGA.HHN. ML:1.9 0.00014421800000000002 0.32 AML other m 2022-01-04T07:40:27.35
IV.SSY.HHE. ML:2.6 0.0005745615 0.3392 AML other m 2022-01-04T07:40:30.68
IV.SSY.HNE. ML:2.3 0.00029223585 1.12 AML other m 2022-01-04T07:40:31.34
IV.HVZN.HHE. ML:2.4 0.0003575127 0.5376 AML other m 2022-01-04T07:40:31.86
IV.HVZN.HHN. ML:2.2 0.00022493735 0.3392 AML other m 2022-01-04T07:40:31.98
IV.HSRS.HHE. ML:2.2 0.00017239355 0.4608 AML other m 2022-01-04T07:40:33.66
IV.HSRS.HHN. ML:2.0 0.00012869314999999998 0.7616 AML other m 2022-01-04T07:40:33.70
IV.HMDC.HNE. ML:2.3 0.00018922614499999998 0.5504 AML other m 2022-01-04T07:40:36.68
IV.HMDC.HHN. ML:2.4 0.00024948114999999996 0.416 AML other m 2022-01-04T07:40:36.74
IV.HMDC.HNN. ML:2.3 0.0001855483 0.4096 AML other m 2022-01-04T07:40:36.54
IV.HMDC.HHE. ML:2.5 0.00032189294999999995 0.3584 AML other m 2022-01-04T07:40:36.69
IV.HVIT.HHN. ML:2.2 0.00012814163 0.8832 AML other m 2022-01-04T07:40:37.27
IV.ISPIC.EHE. ML:2.3 0.000147976325 0.5824 AML other m 2022-01-04T07:40:41.87
IV.ISPIC.EHN. ML:2.2 0.00011366854 0.8192 AML other m 2022-01-04T07:40:41.72
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