Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 26-12-2022 and time 01:01:17 (Italy) in region 5 km W Randazzo (CT)

A magnitude ML 1.6 earthquake occured in region: 5 km W Randazzo (CT), on

  • 26-12-2022 00:01:17 (UTC)
  • 26-12-2022 01:01:17 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.8790, 14.8840 at 32 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 6 10900 10900
Maletto CT 6 3920 14820
Maniace CT 7 3765 18585
Santa Domenica Vittoria ME 8 980 19565
Bronte CT 11 19172 38737
Floresta ME 12 485 39222
Roccella Valdemone ME 13 666 39888
Moio Alcantara ME 15 717 40605
Cesarò ME 16 2439 43044
Malvagna ME 16 733 43777
San Teodoro ME 17 1403 45180
Tortorici ME 18 6435 51615
Ucria ME 19 1058 52673
Raccuja ME 20 1041 53714
Galati Mamertino ME 20 2627 56341
Montalbano Elicona ME 20 2287 58628

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km NW of Acireale (52622 inhabitants)
45 Km NW of Catania (314555 inhabitants)
69 Km SW of Messina (238439 inhabitants)
71 Km W of Reggio di Calabria (183035 inhabitants)
84 Km NE of Caltanissetta (63360 inhabitants)
98 Km NW 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 2022-12-26
00:01:17		 37.8788 14.8842 32 2024-03-01
15:28:26		 Bollettino Sismico Italiano INGV 118407161
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-12-26 00:01:17 ± 0.15
Latitude 37.8788 ± 0.0072
Longitude 14.8842 ± 0.0103
Depth (km) 32 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 118407161

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 879
Semi-minor axis of confidence ellipse (meter) 705
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 279
Circular confidence region, given by single value of horizontal uncertainty (meter) 880.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 102
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 29
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.05846
Epicentral distance of station farthest from the epicenter (degree) 0.93799
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 19
Magnitude information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 22
Type of magnitude ML
Reference to an origin 118407161
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-06-15 00:03:54
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSY.HHZ. 2022-12-26T00:01:42.39 0.6 undecidable manual S 168 81.7515 106 -0.53 39
IV.HCRL.HHZ. 2022-12-26T00:01:39.18 0.6 undecidable manual S 169 67.377 110 -0.1 44
IV.HLNI.HHZ. 2022-12-26T00:01:36.83 0.6 undecidable manual S 181 58.7967 113 -0.34 43
IV.ACATE.EHZ. 2022-12-26T00:01:35.56 0.3 undecidable manual P 200 100.6215 54 0.4 59
IV.HAVL.HHZ. 2022-12-26T00:01:35.39 0.3 undecidable manual P 168 104.118 54 -0.19 62
IV.SSY.HHZ. 2022-12-26T00:01:31.96 0.3 undecidable manual P 168 81.7515 106 -0.37 62
IV.HVZN.HHZ. 2022-12-26T00:01:31.90 0.6 undecidable manual P 191 79.1652 107 -0.05 44
IV.MSRU.HHZ. 2022-12-26T00:01:31.35 0.3 undecidable manual P 52 69.2751 110 0.85 53
IV.AIO.HHZ. 2022-12-26T00:01:30.80 0.6 undecidable manual S 71 32.2455 130 -0.26 46
IV.EPMN.HHN. 2022-12-26T00:01:30.65 0.6 undecidable manual S 104 26.4513 136 0.7 42
IV.HCRL.HHZ. 2022-12-26T00:01:30.02 0.3 undecidable manual P 169 67.377 110 -0.21 66
IV.MSFR.HHZ. 2022-12-26T00:01:30.77 0.6 undecidable manual S 304 30.8469 132 -0.01 49
IV.HLNI.HHZ. 2022-12-26T00:01:28.72 0.1 undecidable manual P 181 58.7967 113 -0.29 88
IV.ECTS.HHZ. 2022-12-26T00:01:28.70 0.6 undecidable manual S 89 20.7681 144 -0.26 47
IV.LIBRI.HHZ. 2022-12-26T00:01:28.53 0.6 undecidable manual S 10 23.0547 140 -0.81 40
IV.MUCR.HHE. 2022-12-26T00:01:27.96 0.6 undecidable manual S 357 18.2706 147 -0.61 44
IV.EPZF.HHZ. 2022-12-26T00:01:27.64 0.6 undecidable manual S 201 6.4935 167 0.29 49
IV.EPOZ.HHZ. 2022-12-26T00:01:26.45 0.3 undecidable manual P 131 35.2425 127 0.61 64
IV.MSFR.HHZ. 2022-12-26T00:01:25.49 0.1 positive manual P 304 30.8469 132 0.17 94
IV.AIO.HHZ. 2022-12-26T00:01:25.42 0.3 undecidable manual P 71 32.2455 130 -0.06 73
IV.LIBRI.HHZ. 2022-12-26T00:01:24.25 0.1 undecidable manual P 10 23.0547 140 -0.24 96
IV.ESCV.HHN. 2022-12-26T00:01:24.04 0.1 undecidable manual P 202 15.873 151 0.18 97
IV.EPIT.HHZ. 2022-12-26T00:01:24.21 0.3 undecidable manual P 116 16.872 149 0.27 72
IV.ECTS.HHZ. 2022-12-26T00:01:24.11 0.1 undecidable manual P 89 20.7681 144 -0.16 97
IV.EPMN.HHN. 2022-12-26T00:01:24.94 0.1 undecidable manual P 104 26.4513 136 0.1 97
IV.EPZF.HHZ. 2022-12-26T00:01:23.47 0.1 negative manual P 201 6.4935 167 0.13 100
IV.EMSG.HHZ. 2022-12-26T00:01:23.65 0.1 negative manual P 138 8.6802 163 0.23 98
IV.MUCR.HHE. 2022-12-26T00:01:23.79 0.1 undecidable manual P 357 18.2706 147 -0.26 96
IV.EMNR.HHZ. 2022-12-26T00:01:23.94 0.3 undecidable manual P 119 14.1747 154 0.2 73
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EPZF.HHE. ML:2.4 0.001265 0.34 AML other m 2022-12-26T00:01:28.65
IV.ECTS.HHE. ML:1.5 0.0001225 1.56 AML other m 2022-12-26T00:01:28.89
IV.EPZF.HHN. ML:2.4 0.00125 0.34 AML other m 2022-12-26T00:01:28.94
IV.ECTS.HHN. ML:1.6 0.0001705 1.1 AML other m 2022-12-26T00:01:29.97
IV.LIBRI.HHE. ML:1.2 0.00006500000000000001 1.26 AML other m 2022-12-26T00:01:30.89
IV.LIBRI.HNE. ML:1.5 0.000122 1.32 AML other m 2022-12-26T00:01:30.29
IV.EMSG.HHE. ML:2.1 0.0006054999999999999 0.42 AML other m 2022-12-26T00:01:30.51
IV.LIBRI.HNN. ML:1.8 0.0002485 0.24 AML other m 2022-12-26T00:01:30.70
IV.LIBRI.HHN. ML:1.2 0.0000648 0.26 AML other m 2022-12-26T00:01:30.96
IV.AIO.HHE. ML:1.4 0.00006925 0.22 AML other m 2022-12-26T00:01:32.35
IV.AIO.HHN. ML:1.5 0.00009325 0.18 AML other m 2022-12-26T00:01:32.38
IV.EMSG.HHN. ML:2.1 0.0006165000000000001 0.74 AML other m 2022-12-26T00:01:32.53
IV.MSFR.HHN. ML:1.1 0.0000407 0.28 AML other m 2022-12-26T00:01:32.76
IV.MSFR.HHE. ML:1.3 0.00006739999999999998 1.16 AML other m 2022-12-26T00:01:32.85
IV.EPOZ.HHN. ML:1.8 0.00019800000000000002 0.68 AML other m 2022-12-26T00:01:34.20
IV.EPOZ.HHE. ML:1.8 0.0001735 0.56 AML other m 2022-12-26T00:01:34.29
IV.HLNI.HHN. ML:1.4 0.00004485 1.84 AML other m 2022-12-26T00:01:36.02
IV.HLNI.HHE. ML:1.4 0.00005115 1.36 AML other m 2022-12-26T00:01:37.11
IV.HCRL.HHE. ML:1.8 0.00009855 1.02 AML other m 2022-12-26T00:01:39.53
IV.HCRL.HHN. ML:1.6 0.0000607 0.36 AML other m 2022-12-26T00:01:39.77
IV.HAVL.HHN. ML:1.9 0.0000654 0.86 AML other m 2022-12-26T00:01:54.97
IV.HAVL.HHE. ML:1.7 0.00004295 0.82 AML other m 2022-12-26T00:01:54.96
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