Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 03-01-2022 and time 10:56:32 (Italy) in region 4 km E Randazzo (CT)

A magnitude ML 1.9 earthquake occured in region: 4 km E Randazzo (CT), on

  • 03-01-2022 09:56:32 (UTC)
  • 03-01-2022 10:56:32 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.8670, 14.9940 at 28 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
Moio Alcantara ME 6 717 11617
Santa Domenica Vittoria ME 6 980 12597
Roccella Valdemone ME 8 666 13263
Malvagna ME 8 733 13996
Castiglione di Sicilia CT 12 3215 17211
Maletto CT 12 3920 21131
Francavilla di Sicilia ME 13 3945 25076
Linguaglossa CT 14 5403 30479
Floresta ME 15 485 30964
Motta Camastra ME 16 845 31809
Maniace CT 16 3765 35574
Bronte CT 17 19172 54746
Piedimonte Etneo CT 17 3963 58709
Montalbano Elicona ME 18 2287 60996
Sant'Alfio CT 19 1582 62578
Milo CT 19 1087 63665
Gaggi ME 20 3184 66849

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km NW of Acireale (52622 inhabitants)
41 Km N of Catania (314555 inhabitants)
61 Km SW of Messina (238439 inhabitants)
63 Km W of Reggio di Calabria (183035 inhabitants)
92 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 1.9 2022-01-03
09:56:32		 37.8668 14.9943 29 2022-07-08
12:33:45		 Bollettino Sismico Italiano INGV 103480261
Reviewed
Rev200 		ML 1.8 2022-01-03
09:56:32		 37.873 14.979 26 2022-04-19
14:19:36		 Sala Operativa INGV_OE (Catania) 99277331
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-01-03 09:56:32 ± 0.16
Latitude 37.8668 ± 0.0063
Longitude 14.9943 ± 0.0080
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 103480261

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 779
Semi-minor axis of confidence ellipse (meter) 53
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 308
Circular confidence region, given by single value of horizontal uncertainty (meter) 780.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 73
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.05576
Epicentral distance of station farthest from the epicenter (degree) 0.71136
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 16
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 103480261
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-04-19 14:05:59

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 99277331
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2022-01-03 10:05:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSY.HHZ. 2022-01-03T09:56:56.64 0.6 undecidable manual S 175 78.9654 105 -0.19 43
IV.MSFR.HHZ. 2022-01-03T09:56:47.25 0.6 undecidable manual S 298 39.8268 120 0.17 46
IV.SSY.HHZ. 2022-01-03T09:56:46.47 0.3 undecidable manual P 175 78.9654 105 -0.16 64
IV.AIO.HHZ. 2022-01-03T09:56:44.01 0.6 undecidable manual S 61 23.8539 136 0.31 47
IV.MUCR.HHZ. 2022-01-03T09:56:43.23 0.6 undecidable manual S 332 22.1556 138 -0.17 47
IV.ECZM.HHN. 2022-01-03T09:56:42.45 0.6 undecidable manual S 208 16.9719 146 -0.09 49
IV.MPNC.HHZ. 2022-01-03T09:56:41.95 0.3 undecidable manual P 45 44.1225 117 0.37 66
IV.EPZF.HHZ. 2022-01-03T09:56:41.77 0.6 undecidable manual S 248 12.9759 153 -0.22 48
IV.EPIT.HHZ. 2022-01-03T09:56:41.83 0.6 undecidable manual S 138 8.2806 162 0.31 47
IV.GALF.HHZ. 2022-01-03T09:56:41.85 0.3 undecidable manual P 245 41.3253 119 0.65 59
IV.EMNR.HHZ. 2022-01-03T09:56:41.82 0.6 undecidable manual S 153 6.1938 166 0.45 46
IV.ECTS.HHZ. 2022-01-03T09:56:41.51 0.6 undecidable manual S 81 11.1777 156 -0.29 47
IV.MSFR.HHZ. 2022-01-03T09:56:40.97 0.1 undecidable manual P 298 39.8268 120 -0.03 94
IV.AIO.HHZ. 2022-01-03T09:56:39.20 0.1 positive manual P 61 23.8539 136 0.15 96
IV.MUCR.HHZ. 2022-01-03T09:56:38.61 0.1 undecidable manual P 332 22.1556 138 -0.26 92
IV.ESAL.HHE. 2022-01-03T09:56:38.48 0.3 undecidable manual P 135 17.4714 145 0.06 73
IV.ECZM.HHN. 2022-01-03T09:56:38.57 0.3 undecidable manual P 208 16.9719 146 0.19 71
IV.EMPL.HHZ. 2022-01-03T09:56:38.91 0.6 undecidable manual P 186 20.9679 140 0.16 47
IV.ECBD.HHN. 2022-01-03T09:56:37.85 0.1 undecidable manual P 140 12.5763 154 -0.19 96
IV.EMNR.HHZ. 2022-01-03T09:56:37.65 0.1 undecidable manual P 153 6.1938 166 -0.05 99
IV.ECTS.HHZ. 2022-01-03T09:56:37.68 0.1 undecidable manual P 81 11.1777 156 -0.27 94
IV.EMCN.HHN. 2022-01-03T09:56:37.74 0.3 undecidable manual P 158 9.0798 161 -0.09 74
IV.EPZF.HHZ. 2022-01-03T09:56:37.71 0.3 undecidable manual P 248 12.9759 153 -0.35 70
IV.ESVO.HHE. 2022-01-03T09:56:37.99 0.1 undecidable manual P 202 11.1777 156 0.04 99
IV.EPIT.HHZ. 2022-01-03T09:56:37.80 0.1 negative manual P 138 8.2806 162 0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EPIT.HHN. ML:2.2 0.0009065 0.34 AML other m 2022-01-03T09:56:42.54
IV.EPZF.HHE. ML:1.9 0.0004065 1.36 AML other m 2022-01-03T09:56:42.14
IV.EPIT.HHE. ML:2.1 0.0006850000000000001 0.52 AML other m 2022-01-03T09:56:43.15
IV.MUCR.HHN. ML:1.7 0.00018449999999999999 0.32 AML other m 2022-01-03T09:56:43.57
IV.MUCR.HHE. ML:1.9 0.00035499999999999996 0.32 AML other m 2022-01-03T09:56:43.59
IV.EPZF.HHN. ML:1.9 0.000356 1.2 AML other m 2022-01-03T09:56:44.77
IV.AIO.HHE. ML:1.6 0.0001705 0.52 AML other m 2022-01-03T09:56:44.17
IV.AIO.HHN. ML:1.6 0.0001545 0.22 AML other m 2022-01-03T09:56:45.22
IV.GALF.HHE. ML:2.0 0.00026249999999999993 1.46 AML other m 2022-01-03T09:56:51.05
IV.GALF.HHN. ML:1.8 0.000176 0.42 AML other m 2022-01-03T09:56:52.58
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