Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 04-01-2022 and time 05:31:41 (UTC) in region 5 km SE Randazzo (CT)

A magnitude ML 2.2 earthquake occured in region: 5 km SE Randazzo (CT), on

  • 04-01-2022 05:31:41 (UTC)
  • 04-01-2022 06:31:41 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.8480, 14.9830 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 10 3920 17916
Castiglione di Sicilia CT 13 3215 21131
Linguaglossa CT 14 5403 26534
Bronte CT 15 19172 45706
Francavilla di Sicilia ME 15 3945 49651
Maniace CT 15 3765 53416
Floresta ME 17 485 53901
Motta Camastra ME 18 845 54746
Piedimonte Etneo CT 18 3963 58709
Milo CT 18 1087 59796
Sant'Alfio CT 18 1582 61378
Montalbano Elicona ME 20 2287 63665
Zafferana Etnea CT 20 9517 73182

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 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)
92 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 2.2 2022-01-04
05:31:41		 37.8482 14.9828 29 2022-07-08
12:33:36		 Bollettino Sismico Italiano INGV 101966531
Reviewed
Rev200 		ML 2.1 2022-01-04
05:31:41		 37.849 14.974 25 2022-05-03
23:01:04		 Sala Operativa INGV_OE (Catania) 99306301
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-01-04 05:31:41 ± 0.08
Latitude 37.8482 ± 0.0036
Longitude 14.9828 ± 0.0068
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 101966531

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 467
Semi-minor axis of confidence ellipse (meter) 396
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 84
Circular confidence region, given by single value of horizontal uncertainty (meter) 470.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 45
Number of associated phases, regardless of their use for origin computation 64
Number of defining phases 62
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.06929
Number of stations at which the event was observed 41
Number of stations from which data was used for origin computation 39
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 39
Type of magnitude ML
Reference to an origin 101966531
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-05-03 23:00:49

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 99306301
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2022-01-04 05:38:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TDS.HHZ. 2022-01-04T05:32:19.89 3.0 undecidable manual Pg 6.1 0
IV.ISPIC.EHZ. 2022-01-04T05:32:16.10 0.6 undecidable manual S 183 118.6923 54 0.32 37
IV.SPS2.HHZ. 2022-01-04T05:32:12.80 3.0 positive manual Pg 3.2 0
IV.HVIT.HHZ. 2022-01-04T05:32:12.14 0.6 undecidable manual S 203 103.2189 101 0.07 41
IV.HMDC.HHZ. 2022-01-04T05:32:11.31 0.6 undecidable manual S 190 100.2219 102 0.04 42
IV.HSRS.HHZ. 2022-01-04T05:32:07.93 0.6 undecidable manual S 166 86.3469 104 0.25 41
IV.SSY.HHZ. 2022-01-04T05:32:05.51 0.6 undecidable manual S 174 76.9674 106 0.26 42
IV.HAGA.HHZ. 2022-01-04T05:32:02.08 0.6 undecidable manual S 166 64.2912 109 0.07 45
IV.ISPIC.EHZ. 2022-01-04T05:32:01.13 0.3 undecidable manual P 183 118.6923 54 -0.19 60
IV.HLNI.HHZ. 2022-01-04T05:31:59.76 0.6 undecidable manual S 190 56.2992 112 -0.24 44
IV.MILZ.HHZ. 2022-01-04T05:31:59.27 0.6 undecidable manual S 25 51.7038 114 0.38 42
IV.HVIT.HHZ. 2022-01-04T05:31:59.01 0.3 undecidable manual P 203 103.2189 101 -0.17 61
IV.HMDC.HHZ. 2022-01-04T05:31:58.30 0.3 undecidable manual P 190 100.2219 102 -0.42 58
IV.RAFF.HHZ. 2022-01-04T05:31:57.33 0.1 undecidable manual P 218 88.245 103 0.4 80
IV.MPNC.HHZ. 2022-01-04T05:31:57.69 0.6 undecidable manual S 44 46.3203 117 0.12 45
IV.MSFR.HHZ. 2022-01-04T05:31:56.09 0.6 undecidable manual S 301 39.9267 121 0 47
IV.HSRS.HHZ. 2022-01-04T05:31:56.47 0.1 positive manual P 166 86.3469 104 -0.18 84
IV.SSY.HHZ. 2022-01-04T05:31:55.12 0.1 undecidable manual P 174 76.9674 106 -0.13 87
IV.MCPD.HHZ. 2022-01-04T05:31:55.28 0.6 undecidable manual S 324 37.3293 123 -0.22 45
3D.OEM8.HHN. 2022-01-04T05:31:54.13 0.1 undecidable manual P 355 69.0753 108 0.05 88
3D.OEM4.HHN. 2022-01-04T05:31:53.55 0.3 undecidable manual P 357 62.3931 110 0.45 62
IV.HAGA.HHZ. 2022-01-04T05:31:53.20 0.1 undecidable manual P 166 64.2912 109 -0.17 88
IV.ESCV.HHZ. 2022-01-04T05:31:52.25 0.6 undecidable manual S 233 18.4704 144 0.45 45
3D.OEM9.HNE. 2022-01-04T05:31:52.98 0.1 undecidable manual P 1 59.8956 110 0.25 86
IV.EMFO.HHZ. 2022-01-04T05:31:52.19 0.6 undecidable manual S 143 15.6732 149 0.81 40
IV.AIO.HHZ. 2022-01-04T05:31:52.96 0.1 undecidable manual S 58 25.8519 134 -0.12 95
IV.MUCR.HHZ. 2022-01-04T05:31:52.26 0.6 undecidable manual S 336 23.6541 137 -0.41 44
IV.MILZ.HHZ. 2022-01-04T05:31:51.61 0.1 undecidable manual P 25 51.7038 114 0.04 91
IV.ECBD.HHZ. 2022-01-04T05:31:51.36 0.6 undecidable manual S 130 11.7771 156 0.45 46
IV.EPZF.HHZ. 2022-01-04T05:31:51.06 0.6 undecidable manual S 256 11.3775 157 0.2 49
IV.ECZM.HHZ. 2022-01-04T05:31:51.33 0.6 undecidable manual S 208 14.6742 151 0.07 49
IV.ESPC.HHZ. 2022-01-04T05:31:51.27 0.6 undecidable manual S 167 17.6712 146 -0.41 45
IV.HLNI.HHZ. 2022-01-04T05:31:51.96 0.1 undecidable manual P 190 56.2992 112 -0.25 87
IV.ECTS.HHZ. 2022-01-04T05:31:50.44 0.6 undecidable manual S 73 12.6762 154 -0.57 43
IV.GALF.HHZ. 2022-01-04T05:31:50.58 0.1 undecidable manual P 247 39.5271 121 0.68 80
IV.EPIT.HHZ. 2022-01-04T05:31:50.80 0.6 undecidable manual S 122 7.6812 164 0.27 48
IV.EMNR.HHZ. 2022-01-04T05:31:50.65 0.6 undecidable manual S 133 5.0949 169 0.28 48
IV.MSFR.HHZ. 2022-01-04T05:31:50.01 0.1 negative manual P 301 39.9267 121 0.05 94
IV.MPNC.HHZ. 2022-01-04T05:31:50.95 0.1 positive manual P 44 46.3203 117 0.14 90
IV.EMCN.HHZ. 2022-01-04T05:31:50.57 0.6 undecidable manual S 145 7.6812 164 0.04 50
IV.ESML.HNE. 2022-01-04T05:31:49.26 0.6 undecidable manual P 200 27.0507 133 0.9 37
IV.EPOZ.HHZ. 2022-01-04T05:31:49.00 0.3 undecidable manual P 137 26.5512 133 0.69 60
IV.MCPD.HHZ. 2022-01-04T05:31:49.28 0.1 negative manual P 324 37.3293 123 -0.33 89
IV.AIO.HHZ. 2022-01-04T05:31:48.14 0.1 positive manual P 58 25.8519 134 -0.08 96
IV.ECHR.HNZ. 2022-01-04T05:31:48.07 0.1 undecidable manual P 199 18.9699 144 0.55 87
IV.ECZM.HHZ. 2022-01-04T05:31:47.15 0.1 undecidable manual P 208 14.6742 151 -0.02 98
IV.EMFO.HHZ. 2022-01-04T05:31:47.12 0.1 undecidable manual P 143 15.6732 149 -0.12 97
IV.EMPL.HHZ. 2022-01-04T05:31:47.32 0.3 undecidable manual P 183 18.7701 144 -0.19 71
IV.ESAL.HHZ. 2022-01-04T05:31:47.45 0.1 negative manual P 128 16.872 147 0.11 96
IV.ESCV.HHZ. 2022-01-04T05:31:47.67 0.3 undecidable manual P 233 18.4704 144 0.19 71
IV.EVRN.HHZ. 2022-01-04T05:31:47.91 0.3 undecidable manual P 143 22.1556 139 0.08 72
IV.EFIU.HHZ. 2022-01-04T05:31:47.61 0.1 negative manual P 108 20.9679 141 -0.1 96
IV.MUCR.HHZ. 2022-01-04T05:31:47.60 0.1 positive manual P 336 23.6541 137 -0.38 90
IV.EPZF.HHZ. 2022-01-04T05:31:46.67 0.1 positive manual P 256 11.3775 157 -0.27 94
IV.ESLN.HHZ. 2022-01-04T05:31:46.98 0.3 undecidable manual P 182 17.1717 146 -0.39 68
IV.ESPC.HHZ. 2022-01-04T05:31:46.78 0.1 undecidable manual P 167 17.6712 146 -0.63 84
IV.EMFS.HHZ. 2022-01-04T05:31:46.79 0.6 undecidable manual P 175 14.2746 151 -0.35 46
IV.ECTS.HHZ. 2022-01-04T05:31:46.64 0.1 positive manual P 73 12.6762 154 -0.38 92
IV.ECBD.HHZ. 2022-01-04T05:31:46.89 0.1 negative manual P 130 11.7771 156 -0.08 98
IV.EMCN.HHZ. 2022-01-04T05:31:46.56 0.1 undecidable manual P 145 7.6812 164 -0.19 96
IV.EMNR.HHZ. 2022-01-04T05:31:46.60 0.1 undecidable manual P 133 5.0949 169 -0.05 99
IV.EPIT.HHZ. 2022-01-04T05:31:46.76 0.1 negative manual P 122 7.6812 164 0.01 100
IV.ESVO.HHZ. 2022-01-04T05:31:46.79 0.1 negative manual P 201 8.88 161 -0.01 99
IV.EPDN.HHZ. 2022-01-04T05:31:46.87 0.3 undecidable manual P 162 9.5793 160 0.03 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ECTS.HHN. ML:2.8 0.0032699999999999995 0.4 AML other m 2022-01-04T05:31:50.86
IV.ECTS.HHE. ML:2.7 0.0022107035000000002 0.3008 AML other m 2022-01-04T05:31:50.00
IV.EPIT.HHE. ML:2.7 0.0027898485 0.2624 AML other m 2022-01-04T05:31:51.35
IV.EPIT.HHN. ML:2.8 0.0035298625 0.3008 AML other m 2022-01-04T05:31:51.48
IV.EPZF.HHN. ML:2.4 0.001199216 0.4608 AML other m 2022-01-04T05:31:51.78
IV.EPZF.HHE. ML:2.3 0.0010881579999999999 0.24 AML other m 2022-01-04T05:31:51.90
IV.MUCR.HHN. ML:2.4 0.0009155 0.34 AML other m 2022-01-04T05:31:52.56
IV.MUCR.HHE. ML:2.5 0.0012062075000000001 0.32 AML other m 2022-01-04T05:31:52.57
IV.ESCV.HHE. ML:2.0 0.0004894414 0.2016 AML other m 2022-01-04T05:31:53.12
IV.ESCV.HHN. ML:2.1 0.0005895721 0.3424 AML other m 2022-01-04T05:31:53.03
IV.AIO.HHE. ML:2.2 0.00068984835 0.1984 AML other m 2022-01-04T05:31:53.12
IV.EVRN.HNE. ML:2.0 0.00045187944999999997 0.16 AML other m 2022-01-04T05:31:53.32
IV.EVRN.HHE. ML:2.1 0.00056664885 0.1632 AML other m 2022-01-04T05:31:53.33
IV.AIO.HHN. ML:2.0 0.00036820930000000003 0.56 AML other m 2022-01-04T05:31:53.60
IV.MCPD.HHE. ML:1.6 0.000125060055 0.4992 AML other m 2022-01-04T05:31:55.57
IV.MCPD.HHN. ML:2.0 0.0002667241 0.7392 AML other m 2022-01-04T05:31:56.06
IV.MSFR.HHE. ML:1.8 0.00015644435 0.2624 AML other m 2022-01-04T05:31:56.39
IV.MSFR.HHN. ML:1.6 0.000105059 0.3008 AML other m 2022-01-04T05:31:56.30
IV.MPNC.HHN. ML:2.0 0.0002080998 0.2784 AML other m 2022-01-04T05:31:58.42
IV.MPNC.HHE. ML:1.9 0.00020211055 0.4192 AML other m 2022-01-04T05:31:58.59
IV.MILZ.HHE. ML:2.2 0.00030844574999999995 1.28 AML other m 2022-01-04T05:32:00.29
IV.MILZ.HHN. ML:2.0 0.000191368 0.3008 AML other m 2022-01-04T05:31:59.90
IV.HLNI.HHN. ML:2.2 0.00031914095 0.24 AML other m 2022-01-04T05:32:00.23
IV.HLNI.HHE. ML:2.3 0.00040297404999999997 0.1216 AML other m 2022-01-04T05:32:00.30
IV.HAGA.HHE. ML:1.9 0.0001471171 0.7584 AML other m 2022-01-04T05:32:02.49
IV.HAGA.HHN. ML:1.9 0.00013544580000000002 0.2016 AML other m 2022-01-04T05:32:02.67
IV.SSY.HHE. ML:2.6 0.0005076568 0.4 AML other m 2022-01-04T05:32:05.77
IV.SSY.HNE. ML:2.3 0.0002518971 0.48 AML other m 2022-01-04T05:32:05.83
IV.SSY.HHN. ML:2.7 0.0007092399 0.4576 AML other m 2022-01-04T05:32:05.84
IV.HSRS.HHN. ML:2.1 0.00015050000000000003 1.24 AML other m 2022-01-04T05:32:08.18
IV.HSRS.HHE. ML:2.2 0.00020050000000000002 0.58 AML other m 2022-01-04T05:32:09.00
IV.HMDC.HHE. ML:2.3 0.0001831318 0.6176 AML other m 2022-01-04T05:32:11.79
IV.HMDC.HNE. ML:2.3 0.000183787 0.4288 AML other m 2022-01-04T05:32:12.01
IV.HMDC.HNN. ML:2.6 0.0004083981 0.4192 AML other m 2022-01-04T05:32:11.81
IV.HMDC.HHN. ML:2.7 0.00043149999999999997 1.56 AML other m 2022-01-04T05:32:12.80
IV.HVIT.HHN. ML:2.0 0.000100888155 0.8576 AML other m 2022-01-04T05:32:12.77
IV.HVIT.HHE. ML:2.0 0.00009166481 0.5408 AML other m 2022-01-04T05:32:12.60
IV.ISPIC.EHE. ML:2.2 0.000104579475 0.5792 AML other m 2022-01-04T05:32:16.94
IV.ISPIC.EHN. ML:2.1 0.00008701321 0.48 AML other m 2022-01-04T05:32:16.56
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