Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 03-01-2022 and time 16:56:46 (UTC) in region 4 km SE Randazzo (CT)

A magnitude ML 2.0 earthquake occured in region: 4 km SE Randazzo (CT), on

  • 03-01-2022 16:56:46 (UTC)
  • 03-01-2022 17:56:46 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.8530, 14.9710 at 30 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 7 980 11880
Moio Alcantara ME 9 717 12597
Maletto CT 10 3920 16517
Roccella Valdemone ME 10 666 17183
Malvagna ME 11 733 17916
Castiglione di Sicilia CT 14 3215 21131
Bronte CT 14 19172 40303
Maniace CT 14 3765 44068
Linguaglossa CT 15 5403 49471
Francavilla di Sicilia ME 16 3945 53416
Floresta ME 16 485 53901
Motta Camastra ME 18 845 54746
Piedimonte Etneo CT 19 3963 58709
Milo CT 19 1087 59796
Sant'Alfio CT 19 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)
93 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 2.0 2022-01-03
16:56:46		 37.8528 14.9713 30 2022-07-08
12:33:46		 Bollettino Sismico Italiano INGV 103486661
Reviewed
Rev200 		ML 1.8 2022-01-03
16:56:46		 37.839 14.968 26 2022-04-19
16:34:43		 Sala Operativa INGV_OE (Catania) 99288121
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-01-03 16:56:46 ± 0.11
Latitude 37.8528 ± 0.0045
Longitude 14.9713 ± 0.0068
Depth (km) 30 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 103486661

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 566
Semi-minor axis of confidence ellipse (meter) 285
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 248
Circular confidence region, given by single value of horizontal uncertainty (meter) 570.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 68
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) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.05666
Epicentral distance of station farthest from the epicenter (degree) 0.69967
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 22
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 103486661
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-04-19 16:26:47

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 99288121
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2022-01-03 17:02:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSY.HHZ. 2022-01-03T16:57:10.86 0.6 undecidable manual S 173 77.6667 106 0.18 43
IV.HAGA.HHZ. 2022-01-03T16:57:07.49 0.6 undecidable manual S 166 64.9905 109 0.02 45
IV.HLNI.HHZ. 2022-01-03T16:57:05.02 0.6 undecidable manual S 189 56.5989 112 -0.35 43
IV.MPNC.HHZ. 2022-01-03T16:57:03.59 0.6 undecidable manual S 46 46.62 117 0.65 40
IV.MSFR.HHZ. 2022-01-03T16:57:01.39 0.6 undecidable manual S 301 38.8278 122 0.26 45
IV.SSY.HHZ. 2022-01-03T16:57:00.47 0.3 undecidable manual P 173 77.6667 106 -0.12 65
IV.MCPD.HHZ. 2022-01-03T16:57:00.55 0.6 undecidable manual S 325 36.3414 124 -0.02 48
IV.MSRU.HHZ. 2022-01-03T16:56:59.34 0.3 undecidable manual P 46 65.3901 109 0.55 59
IV.AIO.HHZ. 2022-01-03T16:56:58.36 0.6 undecidable manual S 60 26.3514 134 -0.15 47
IV.HAGA.HHZ. 2022-01-03T16:56:58.54 0.3 undecidable manual P 166 64.9905 109 -0.2 65
IV.EMFO.HHE. 2022-01-03T16:56:57.60 0.6 undecidable manual S 141 16.6722 148 0.73 41
IV.HLNI.HHZ. 2022-01-03T16:56:57.24 0.1 undecidable manual P 189 56.5989 112 -0.28 87
IV.MUCR.HHZ. 2022-01-03T16:56:57.45 0.6 undecidable manual S 338 22.755 139 -0.39 45
IV.EPZF.HHZ. 2022-01-03T16:56:56.15 0.6 undecidable manual S 252 10.4784 159 0.02 50
IV.EPIT.HHZ. 2022-01-03T16:56:56.10 0.6 undecidable manual S 122 8.7801 162 0.13 49
IV.MPNC.HHZ. 2022-01-03T16:56:56.19 0.1 undecidable manual P 46 46.62 117 0.07 92
IV.ECZM.HHN. 2022-01-03T16:56:56.69 0.6 undecidable manual S 204 14.6742 151 0.09 49
IV.ECBD.HHN. 2022-01-03T16:56:56.53 0.6 undecidable manual S 129 12.876 154 0.15 49
IV.ESVO.HHE. 2022-01-03T16:56:56.90 0.6 undecidable manual S 194 9.0798 161 0.9 39
IV.GALF.HHZ. 2022-01-03T16:56:56.10 0.3 undecidable manual P 246 38.8278 122 1.02 51
IV.ECTS.HHZ. 2022-01-03T16:56:55.82 0.6 undecidable manual S 76 13.4754 153 -0.63 42
IV.MSFR.HHZ. 2022-01-03T16:56:55.29 0.1 negative manual P 301 38.8278 122 0.21 90
IV.EMCN.HHN. 2022-01-03T16:56:55.98 0.6 undecidable manual S 141 8.7801 162 0.01 50
IV.EMNR.HHZ. 2022-01-03T16:56:55.96 0.6 undecidable manual S 130 6.2937 167 0.17 49
IV.MCPD.HHZ. 2022-01-03T16:56:54.56 0.1 negative manual P 325 36.3414 124 -0.19 92
IV.EPOZ.HHZ. 2022-01-03T16:56:54.17 0.3 undecidable manual P 136 27.6501 133 0.46 66
IV.AIO.HHZ. 2022-01-03T16:56:53.46 0.1 positive manual P 60 26.3514 134 -0.1 95
IV.ECBD.HHN. 2022-01-03T16:56:52.15 0.1 undecidable manual P 129 12.876 154 -0.19 96
IV.ESVO.HHE. 2022-01-03T16:56:52.22 0.3 undecidable manual P 194 9.0798 161 0.11 73
IV.MUCR.HHZ. 2022-01-03T16:56:52.88 0.1 negative manual P 338 22.755 139 -0.3 92
IV.ESAL.HHZ. 2022-01-03T16:56:52.80 0.1 negative manual P 127 17.9709 146 0.08 97
IV.EMFO.HHE. 2022-01-03T16:56:52.47 0.1 undecidable manual P 141 16.6722 148 -0.15 96
IV.EPIT.HHZ. 2022-01-03T16:56:52.10 0.1 undecidable manual P 122 8.7801 162 0 100
IV.ECZM.HHN. 2022-01-03T16:56:52.50 0.3 undecidable manual P 204 14.6742 151 0.04 74
IV.EMPL.HHZ. 2022-01-03T16:56:52.64 0.3 undecidable manual P 180 19.2696 144 -0.2 71
IV.EMCN.HHN. 2022-01-03T16:56:51.92 0.1 undecidable manual P 141 8.7801 162 -0.17 96
IV.EMNR.HHZ. 2022-01-03T16:56:51.95 0.1 undecidable manual P 130 6.2937 167 -0.04 100
IV.EPZF.HHZ. 2022-01-03T16:56:51.98 0.1 undecidable manual P 252 10.4784 159 -0.21 96
IV.ECTS.HHZ. 2022-01-03T16:56:51.98 0.1 undecidable manual P 76 13.4754 153 -0.4 91
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EPIT.HHE. ML:2.4 0.0013900000000000002 0.32 AML other m 2022-01-03T16:56:56.69
IV.MUCR.HHN. ML:1.9 0.000309 0.32 AML other m 2022-01-03T16:56:57.83
IV.MUCR.HHE. ML:2.1 0.0005225 0.32 AML other m 2022-01-03T16:56:57.84
IV.EPZF.HHE. ML:1.9 0.00041049999999999995 1.32 AML other m 2022-01-03T16:56:57.86
IV.EPZF.HHN. ML:1.9 0.000399 0.24 AML other m 2022-01-03T16:56:58.55
IV.AIO.HHE. ML:2.0 0.00032799999999999995 0.5 AML other m 2022-01-03T16:56:58.47
IV.EPIT.HHN. ML:2.6 0.0017999999999999997 0.24 AML other m 2022-01-03T16:56:59.03
IV.AIO.HHN. ML:1.9 0.000265 0.28 AML other m 2022-01-03T16:56:59.62
IV.ESAL.HHE. ML:2.3 0.000841 1.34 AML other m 2022-01-03T16:57:01.10
IV.MCPD.HHN. ML:1.6 0.00010334999999999999 0.28 AML other m 2022-01-03T16:57:01.35
IV.MCPD.HHE. ML:1.4 0.0000688 0.34 AML other m 2022-01-03T16:57:01.80
IV.ESAL.HHN. ML:2.1 0.000558 0.22 AML other m 2022-01-03T16:57:02.75
IV.EMPL.HHE. ML:2.1 0.0005369999999999999 0.72 AML other m 2022-01-03T16:57:04.36
IV.MPNC.HHN. ML:1.8 0.00016 0.48 AML other m 2022-01-03T16:57:04.63
IV.MPNC.HHE. ML:1.9 0.00017299999999999998 0.6 AML other m 2022-01-03T16:57:05.37
IV.HLNI.HHN. ML:2.1 0.0002195 0.2 AML other m 2022-01-03T16:57:05.48
IV.HLNI.HHE. ML:2.0 0.0001885 0.58 AML other m 2022-01-03T16:57:05.69
IV.GALF.HHE. ML:2.0 0.00028900000000000003 0.52 AML other m 2022-01-03T16:57:06.01
IV.EMPL.HHN. ML:2.1 0.0005535 0.48 AML other m 2022-01-03T16:57:06.40
IV.GALF.HHN. ML:1.9 0.00020250000000000002 0.6 AML other m 2022-01-03T16:57:10.58
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