Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 02-01-2022 and time 21:34:06 (Italy) in region 4 km E Randazzo (CT)

A magnitude ML 1.6 earthquake occured in region: 4 km E Randazzo (CT), on

  • 02-01-2022 20:34:06 (UTC)
  • 02-01-2022 21:34:06 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.8670, 14.9880 at 27 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 6 980 11880
Moio Alcantara ME 7 717 12597
Roccella Valdemone ME 8 666 13263
Malvagna ME 8 733 13996
Maletto CT 11 3920 17916
Castiglione di Sicilia CT 12 3215 21131
Francavilla di Sicilia ME 14 3945 25076
Linguaglossa CT 14 5403 30479
Floresta ME 15 485 30964
Maniace CT 16 3765 34729
Bronte CT 16 19172 53901
Motta Camastra ME 17 845 54746
Montalbano Elicona ME 18 2287 57033
Piedimonte Etneo CT 18 3963 60996
Sant'Alfio CT 19 1582 62578
Milo CT 20 1087 63665

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km NW of Acireale (52622 inhabitants)
41 Km N of Catania (314555 inhabitants)
62 Km SW of Messina (238439 inhabitants)
64 Km W of Reggio di Calabria (183035 inhabitants)
91 Km E of Caltanissetta (63360 inhabitants)
94 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 1.6 2022-01-02
20:34:06		 37.8667 14.9877 27 2022-07-08
12:33:45		 Bollettino Sismico Italiano INGV 103245751
Reviewed
Rev200 		ML 1.4 2022-01-02
20:34:06		 37.893 14.977 18 2022-04-15
13:22:23		 Sala Operativa INGV_OE (Catania) 99260181
Reviewed
Rev100 		ML 1.9 2022-01-02
20:34:06		 37.8718 14.9908 26 2022-01-02
20:43:58		 Sala Sismica INGV-Roma 99259951
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-01-02 20:34:06 ± 0.16
Latitude 37.8667 ± 0.0063
Longitude 14.9877 ± 0.0080
Depth (km) 27 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 103245751

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 644
Semi-minor axis of confidence ellipse (meter) 503
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 280
Circular confidence region, given by single value of horizontal uncertainty (meter) 640.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 75
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.05846
Epicentral distance of station farthest from the epicenter (degree) 0.52880
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 103245751
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-04-15 13:29:19

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 99260181
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2022-01-02 20:48:17

ML:1.9

Field Value
Value 1.9
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 99259951
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-01-02 20:43:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MSFR.HHE. 2022-01-02T20:34:20.72 0.6 undecidable manual S 298 39.3273 118 0.2 46
IV.MCPD.HHZ. 2022-01-02T20:34:19.91 0.6 undecidable manual S 321 35.9418 121 0.17 46
IV.AIO.HHZ. 2022-01-02T20:34:17.56 0.6 undecidable manual S 62 24.3534 133 0.3 46
IV.IVUG.HHZ. 2022-01-02T20:34:17.70 0.3 undecidable manual P 360 58.6968 109 0.37 64
IV.MILZ.HHN. 2022-01-02T20:34:16.21 0.3 undecidable manual P 25 49.7169 112 0.19 68
IV.MUCR.HHZ. 2022-01-02T20:34:16.71 0.6 undecidable manual S 333 21.9669 136 -0.09 48
IV.ESCV.HHZ. 2022-01-02T20:34:16.94 0.6 undecidable manual S 229 20.1687 139 0.47 44
IV.GALF.HHE. 2022-01-02T20:34:15.13 0.3 undecidable manual P 245 40.7259 117 0.36 66
IV.EPIT.HHZ. 2022-01-02T20:34:15.54 0.6 undecidable manual S 135 8.5803 160 0.64 42
IV.EPZF.HHZ. 2022-01-02T20:34:15.34 0.6 undecidable manual S 248 12.3765 153 0.04 49
IV.ECTS.HHZ. 2022-01-02T20:34:15.00 0.6 undecidable manual S 82 11.7771 154 -0.24 48
IV.MPNC.HHZ. 2022-01-02T20:34:15.53 0.3 undecidable manual P 46 44.5221 115 0.24 68
IV.MSFR.HHE. 2022-01-02T20:34:14.59 0.1 undecidable manual P 298 39.3273 118 0.02 95
IV.MCPD.HHZ. 2022-01-02T20:34:13.77 0.1 undecidable manual P 321 35.9418 121 -0.35 89
IV.MUCR.HHZ. 2022-01-02T20:34:12.10 0.1 undecidable manual P 333 21.9669 136 -0.33 92
IV.ESCV.HHZ. 2022-01-02T20:34:12.12 0.3 undecidable manual P 229 20.1687 139 -0.12 72
IV.AIO.HHZ. 2022-01-02T20:34:12.74 0.1 positive manual P 62 24.3534 133 0.04 97
IV.EPZF.HHZ. 2022-01-02T20:34:11.21 0.1 undecidable manual P 248 12.3765 153 -0.36 93
IV.ECTS.HHZ. 2022-01-02T20:34:11.29 0.3 undecidable manual P 82 11.7771 154 -0.24 71
IV.EMNR.HHE. 2022-01-02T20:34:11.18 0.1 undecidable manual P 149 6.4935 165 -0.06 100
IV.EMCN.HHE. 2022-01-02T20:34:11.21 0.1 undecidable manual P 154 9.2796 159 -0.16 97
IV.ECBD.HHE. 2022-01-02T20:34:11.62 0.1 undecidable manual P 138 12.9759 151 0.01 99
IV.EPIT.HHZ. 2022-01-02T20:34:11.35 0.1 negative manual P 135 8.5803 160 0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ECTS.HHE. ML:1.8 0.00033332020000000003 0.3072 AML other m 2022-01-02T20:34:15.65
IV.ECTS.HHN. ML:1.8 0.00032863215000000003 0.1792 AML other m 2022-01-02T20:34:15.51
IV.EPZF.HHN. ML:1.6 0.00020891255 0.2432 AML other m 2022-01-02T20:34:16.82
IV.EPZF.HHE. ML:1.8 0.00029787799999999996 0.4096 AML other m 2022-01-02T20:34:15.68
IV.EPIT.HHN. ML:1.9 0.00044657285 0.64 AML other m 2022-01-02T20:34:16.52
IV.EPIT.HHE. ML:1.7 0.00025959905 0.2944 AML other m 2022-01-02T20:34:18.82
IV.MUCR.HHN. ML:1.3 0.000079667555 0.256 AML other m 2022-01-02T20:34:17.70
IV.MUCR.HHE. ML:1.5 0.000138209 0.32 AML other m 2022-01-02T20:34:17.05
IV.ESCV.HHN. ML:1.6 0.00019089444999999998 0.2944 AML other m 2022-01-02T20:34:17.76
IV.ESCV.HHE. ML:1.5 0.00015632485000000002 0.1792 AML other m 2022-01-02T20:34:17.92
IV.AIO.HHN. ML:1.3 0.000073803775 0.3328 AML other m 2022-01-02T20:34:18.28
IV.AIO.HHE. ML:1.2 0.00006634117 0.2304 AML other m 2022-01-02T20:34:17.88
IV.MCPD.HHN. ML:0.9 0.000023269177999999997 0.5504 AML other m 2022-01-02T20:34:21.34
IV.SSY.HNN. ML:1.7 0.00006706563499999999 0.2688 AML other m 2022-01-02T20:34:33.37
IV.SSY.HHN. ML:2.3 0.0002498602 0.256 AML other m 2022-01-02T20:34:33.38
IV.SSY.HNE. ML:1.8 0.00008085941499999999 0.4992 AML other m 2022-01-02T20:34:29.84
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