Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 04-01-2022 and time 06:43:00 (UTC) in region 4 km SE Randazzo (CT)

A magnitude ML 2.2 earthquake occured in region: 4 km SE Randazzo (CT), on

  • 04-01-2022 06:43:00 (UTC)
  • 04-01-2022 07:43:00 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.8490, 14.9790 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
Moio Alcantara ME 9 717 12597
Roccella Valdemone ME 10 666 13263
Maletto CT 10 3920 17183
Malvagna ME 10 733 17916
Castiglione di Sicilia CT 13 3215 21131
Bronte CT 14 19172 40303
Linguaglossa CT 15 5403 45706
Maniace CT 15 3765 49471
Francavilla di Sicilia ME 15 3945 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 19 1582 61378
Montalbano Elicona ME 20 2287 63665

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km NW of Acireale (52622 inhabitants)
40 Km N of Catania (314555 inhabitants)
64 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
06:43:00		 37.8488 14.9788 29 2022-07-08
12:33:36		 Bollettino Sismico Italiano INGV 101966961
Reviewed
Rev200 		ML 2.1 2022-01-04
06:43:00		 37.842 14.964 26 2022-05-03
23:20:47		 Sala Operativa INGV_OE (Catania) 99307991
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-01-04 06:43:00 ± 0.09
Latitude 37.8488 ± 0.0036
Longitude 14.9788 ± 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 101966961

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 519
Semi-minor axis of confidence ellipse (meter) 388
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 97
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) 45
Number of associated phases, regardless of their use for origin computation 65
Number of defining phases 65
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) 0.04946
Epicentral distance of station farthest from the epicenter (degree) 0.90292
Number of stations at which the event was observed 39
Number of stations from which data was used for origin computation 39
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 99307991
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2022-01-04 06:47:14

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 34
Type of magnitude ML
Reference to an origin 101966961
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-05-03 23:20:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HMDC.HHZ. 2022-01-04T06:43:29.99 0.6 undecidable manual S 190 100.2219 102 -0.09 41
IV.RAFF.HHZ. 2022-01-04T06:43:29.07 0.6 undecidable manual S 218 88.1451 104 2.13 15
IV.HSRS.HHZ. 2022-01-04T06:43:26.72 0.6 undecidable manual S 166 86.5467 104 0.19 42
IV.SSY.HHZ. 2022-01-04T06:43:24.35 0.3 undecidable manual S 174 77.1672 106 0.26 63
IV.HVZN.HHZ. 2022-01-04T06:43:24.33 0.3 undecidable manual S 197 77.9664 106 0.03 66
IV.HAGA.HHZ. 2022-01-04T06:43:20.87 0.6 undecidable manual S 166 64.491 109 0.01 45
IV.MILZ.HHZ. 2022-01-04T06:43:18.23 0.6 undecidable manual S 25 51.8037 114 0.51 41
IV.HLNI.HHZ. 2022-01-04T06:43:18.57 0.6 undecidable manual S 190 56.2992 112 -0.26 44
IV.HMDC.HHZ. 2022-01-04T06:43:16.94 0.3 undecidable manual P 190 100.2219 102 -0.58 55
IV.RAFF.HHZ. 2022-01-04T06:43:16.05 0.1 undecidable manual P 218 88.1451 104 0.34 81
IV.MPNC.HHZ. 2022-01-04T06:43:16.41 0.6 undecidable manual S 45 46.4202 117 -0.02 47
IV.HSRS.HHZ. 2022-01-04T06:43:15.25 0.1 positive manual P 166 86.5467 104 -0.22 83
IV.MSFR.HHZ. 2022-01-04T06:43:14.97 0.6 undecidable manual S 301 39.627 121 0.14 46
IV.HVZN.HHZ. 2022-01-04T06:43:14.06 0.1 undecidable manual P 197 77.9664 106 -0.12 86
IV.MCPD.HHZ. 2022-01-04T06:43:13.96 0.6 undecidable manual S 324 37.0296 123 -0.3 45
IV.SSY.HHZ. 2022-01-04T06:43:13.81 0.1 undecidable manual P 174 77.1672 106 -0.26 84
3D.OEM8.HHN. 2022-01-04T06:43:12.96 0.1 undecidable manual P 356 68.9754 108 0.1 88
IV.MTTG.HHZ. 2022-01-04T06:43:12.92 0.3 undecidable manual P 75 65.3901 109 0.58 59
3D.OEM4.HHN. 2022-01-04T06:43:12.41 0.3 undecidable manual P 357 62.2932 110 0.53 61
IV.HAGA.HHZ. 2022-01-04T06:43:12.04 0.1 positive manual P 166 64.491 109 -0.16 88
IV.AIO.HHZ. 2022-01-04T06:43:11.90 0.6 undecidable manual S 59 26.0517 134 -0.06 48
IV.MUCR.HHZ. 2022-01-04T06:43:11.08 0.6 undecidable manual S 337 23.3544 138 -0.39 45
IV.EMFO.HHZ. 2022-01-04T06:43:11.17 0.6 undecidable manual S 142 15.873 149 0.9 37
IV.EFIU.HHZ. 2022-01-04T06:43:11.38 0.6 undecidable manual S 108 21.3675 140 0.27 46
IV.ESAL.HHZ. 2022-01-04T06:43:11.16 0.6 undecidable manual S 127 17.1717 147 0.71 40
3D.OEM9.HNE. 2022-01-04T06:43:11.73 0.1 undecidable manual P 1 59.7957 111 0.2 88
IV.ESLN.HHZ. 2022-01-04T06:43:10.21 0.6 undecidable manual S 181 17.2716 147 -0.25 47
IV.HLNI.HHZ. 2022-01-04T06:43:10.77 0.1 undecidable manual P 190 56.2992 112 -0.26 87
IV.MILZ.HHZ. 2022-01-04T06:43:10.09 0.3 undecidable manual P 25 51.8037 114 -0.29 66
IV.ECZM.HHZ. 2022-01-04T06:43:10.23 0.6 undecidable manual S 207 14.5743 151 0.14 48
IV.EMFS.HHZ. 2022-01-04T06:43:10.05 0.6 undecidable manual S 173 14.4744 151 -0.02 50
IV.GALF.HHZ. 2022-01-04T06:43:09.18 0.1 undecidable manual P 247 39.2274 122 0.5 86
IV.EPZF.HHZ. 2022-01-04T06:43:09.61 0.6 undecidable manual S 256 10.9779 157 -0.07 49
IV.EPIT.HHZ. 2022-01-04T06:43:09.57 0.6 undecidable manual S 121 7.9809 163 0.16 48
IV.ECTS.HHZ. 2022-01-04T06:43:09.16 0.6 undecidable manual S 74 12.9759 154 -0.73 41
IV.ESPC.HHZ. 2022-01-04T06:43:09.89 0.6 undecidable manual S 166 17.871 146 -0.66 42
IV.MPNC.HHZ. 2022-01-04T06:43:09.70 0.1 positive manual P 45 46.4202 117 0.05 93
IV.EMCN.HHZ. 2022-01-04T06:43:09.49 0.6 undecidable manual S 143 7.9809 163 0.08 49
IV.EMNR.HHZ. 2022-01-04T06:43:09.64 0.6 undecidable manual S 131 5.4945 168 0.4 46
IV.ESVO.HHZ. 2022-01-04T06:43:09.99 0.6 undecidable manual S 198 8.88 162 0.51 45
IV.MSFR.HHZ. 2022-01-04T06:43:08.80 0.1 negative manual P 301 39.627 121 0.08 94
IV.MCPD.HHZ. 2022-01-04T06:43:08.09 0.1 negative manual P 324 37.0296 123 -0.3 89
IV.EPOZ.HHZ. 2022-01-04T06:43:07.36 0.3 undecidable manual P 137 26.9508 133 0.2 70
IV.ESML.HNE. 2022-01-04T06:43:07.99 0.6 undecidable manual P 199 27.0507 133 0.81 39
IV.ECNE.HHZ. 2022-01-04T06:43:06.18 0.3 undecidable manual P 168 9.4794 160 0.52 67
IV.AIO.HHZ. 2022-01-04T06:43:06.95 0.1 positive manual P 59 26.0517 134 -0.11 95
IV.EMFO.HHZ. 2022-01-04T06:43:06.08 0.1 negative manual P 142 15.873 149 0 99
IV.MUCR.HHZ. 2022-01-04T06:43:06.41 0.1 negative manual P 337 23.3544 138 -0.37 90
IV.EVRN.HHZ. 2022-01-04T06:43:06.93 0.3 undecidable manual P 142 22.4553 139 0.25 70
IV.EFIU.HHZ. 2022-01-04T06:43:06.50 0.3 undecidable manual P 108 21.3675 140 -0.07 73
IV.ESAL.HHZ. 2022-01-04T06:43:06.27 0.1 negative manual P 127 17.1717 147 0.08 97
IV.ECHR.HNZ. 2022-01-04T06:43:06.68 0.3 undecidable manual P 198 18.9699 144 0.34 69
IV.EMPL.HHZ. 2022-01-04T06:43:06.16 0.3 undecidable manual P 182 18.87 144 -0.18 71
IV.ECTS.HHZ. 2022-01-04T06:43:05.41 0.1 undecidable manual P 74 12.9759 154 -0.46 91
IV.EMFS.HHZ. 2022-01-04T06:43:05.82 0.3 undecidable manual P 173 14.4744 151 -0.15 72
IV.EPIT.HHZ. 2022-01-04T06:43:05.56 0.1 negative manual P 121 7.9809 163 -0.03 100
IV.EMCN.HHZ. 2022-01-04T06:43:05.51 0.1 negative manual P 143 7.9809 163 -0.08 99
IV.EPDN.HHZ. 2022-01-04T06:43:05.67 0.1 undecidable manual P 160 9.7791 160 0 100
IV.ESPC.HHZ. 2022-01-04T06:43:05.68 0.1 undecidable manual P 166 17.871 146 -0.57 87
IV.ESLN.HHZ. 2022-01-04T06:43:05.91 0.3 undecidable manual P 181 17.2716 147 -0.29 70
IV.ECBD.HHZ. 2022-01-04T06:43:05.73 0.1 negative manual P 129 12.1767 155 -0.08 98
IV.EPZF.HHZ. 2022-01-04T06:43:05.49 0.1 undecidable manual P 256 10.9779 157 -0.25 95
IV.ECZM.HHZ. 2022-01-04T06:43:05.97 0.1 undecidable manual P 207 14.5743 151 -0.01 99
IV.EMNR.HHZ. 2022-01-04T06:43:05.40 0.1 negative manual P 131 5.4945 168 -0.09 99
IV.ESVO.HHZ. 2022-01-04T06:43:05.61 0.1 undecidable manual P 198 8.88 162 -0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ECTS.HHN. ML:2.6 0.0017240304 0.1792 AML other m 2022-01-04T06:43:09.68
IV.EPZF.HHE. ML:2.5 0.001625 0.4 AML other m 2022-01-04T06:43:09.97
IV.ECTS.HHE. ML:2.5 0.001613906 0.2784 AML other m 2022-01-04T06:43:09.81
IV.EPZF.HHN. ML:2.2 0.0007681546500000001 0.3808 AML other m 2022-01-04T06:43:09.87
IV.EPIT.HHN. ML:2.7 0.0024684929999999996 0.2784 AML other m 2022-01-04T06:43:10.31
IV.EPIT.HHE. ML:2.5 0.0015654064999999998 0.2592 AML other m 2022-01-04T06:43:10.20
IV.MUCR.HHN. ML:2.1 0.0005277326 0.3008 AML other m 2022-01-04T06:43:11.37
IV.MUCR.HHE. ML:2.4 0.0010994505 0.3008 AML other m 2022-01-04T06:43:11.38
IV.EMPL.HHN. ML:2.2 0.0007474001999999999 0.2208 AML other m 2022-01-04T06:43:11.62
IV.ESAL.HHN. ML:2.2 0.0007125403 0.48 AML other m 2022-01-04T06:43:11.89
IV.ESAL.HHE. ML:2.3 0.00096323605 0.5408 AML other m 2022-01-04T06:43:12.08
IV.AIO.HHE. ML:2.1 0.00044339295 0.24 AML other m 2022-01-04T06:43:12.04
IV.AIO.HHN. ML:2.0 0.00032537015 0.1792 AML other m 2022-01-04T06:43:12.18
IV.EFIU.HHN. ML:2.0 0.00043424335 1.2 AML other m 2022-01-04T06:43:12.20
IV.EFIU.HHE. ML:1.9 0.00029867895 0.56 AML other m 2022-01-04T06:43:12.24
IV.MCPD.HHE. ML:1.7 0.00013909270000000002 1.5584 AML other m 2022-01-04T06:43:15.12
IV.MCPD.HHN. ML:1.8 0.0001750331 1.0208 AML other m 2022-01-04T06:43:14.87
IV.MSFR.HHE. ML:1.3 0.00006076359000000001 0.5792 AML other m 2022-01-04T06:43:15.50
IV.MSFR.HHN. ML:1.3 0.00005053035 0.3584 AML other m 2022-01-04T06:43:15.13
IV.MPNC.HHN. ML:2.1 0.00027487095000000003 0.48 AML other m 2022-01-04T06:43:18.34
IV.MILZ.HHN. ML:2.1 0.00028413145 0.3392 AML other m 2022-01-04T06:43:18.53
IV.MILZ.HHE. ML:2.2 0.00031484880000000006 0.2976 AML other m 2022-01-04T06:43:18.57
IV.HLNI.HHN. ML:2.3 0.00037751055 0.1376 AML other m 2022-01-04T06:43:18.98
IV.HLNI.HHE. ML:2.2 0.00030629415 0.1984 AML other m 2022-01-04T06:43:18.92
IV.HAGA.HHN. ML:1.9 0.00013518235 0.2208 AML other m 2022-01-04T06:43:21.36
IV.HAGA.HHE. ML:1.7 0.00008971156 0.2016 AML other m 2022-01-04T06:43:21.47
IV.SSY.HNE. ML:2.2 0.0002141895 0.48 AML other m 2022-01-04T06:43:24.63
IV.SSY.HHE. ML:2.5 0.00042292604999999997 0.1792 AML other m 2022-01-04T06:43:24.54
IV.HVZN.HHE. ML:2.2 0.00023534725 0.5792 AML other m 2022-01-04T06:43:25.73
IV.HSRS.HHE. ML:2.0 0.00012744886 1.6608 AML other m 2022-01-04T06:43:27.52
IV.HMDC.HNE. ML:2.5 0.0003217407 0.6112 AML other m 2022-01-04T06:43:30.27
IV.HMDC.HHE. ML:2.3 0.00019558690000000002 0.5408 AML other m 2022-01-04T06:43:30.54
IV.HMDC.HHN. ML:2.4 0.0002360542 0.4192 AML other m 2022-01-04T06:43:30.59
IV.HMDC.HNN. ML:2.5 0.00027776980000000003 0.4288 AML other m 2022-01-04T06:43:30.60
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