Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 26-12-2022 and time 15:17:41 (UTC) in region Costa Catanese (Catania)

A magnitude ML 1.9 earthquake occured in region: Costa Catanese (Catania), on

  • 26-12-2022 15:17:41 (UTC)
  • 26-12-2022 16:17:41 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.6320, 15.3120 at 7 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
Acireale CT 13 52622 52622
Riposto CT 15 14838 67460
Aci Catena CT 15 29851 97311
Giarre CT 16 27659 124970
Santa Venerina CT 16 8592 133562
Aci Sant'Antonio CT 17 17984 151546
Aci Castello CT 17 18723 170269
Mascali CT 17 14282 184551
Valverde CT 17 7840 192391
Aci Bonaccorsi CT 18 3524 195915
Viagrande CT 19 8563 204478
San Gregorio di Catania CT 19 11966 216444
Sant'Alfio CT 19 1582 218026
Zafferana Etnea CT 20 9517 227543

Municipalities with at least 50000 inhabitants

An earthquake occurred to
13 Km E of Acireale (52622 inhabitants)
24 Km NE of Catania (314555 inhabitants)
61 Km SW of Reggio di Calabria (183035 inhabitants)
64 Km N of Siracusa (122291 inhabitants)
66 Km SW of Messina (238439 inhabitants)
94 Km NE of Ragusa (73313 inhabitants)
99 Km NE of Modica (54633 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 2022-12-26
15:17:41		 37.6318 15.3118 7 2024-03-01
15:28:21		 Bollettino Sismico Italiano INGV 116449821
Reviewed
Rev100 		ML 2.0 2022-12-26
15:17:41		 37.6388 15.3362 7 2022-12-26
16:24:38		 Sala Sismica INGV-Roma 113099811
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-12-26 15:17:41 ± 0.18
Latitude 37.6318 ± 0.0054
Longitude 15.3118 ± 0.0114
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 116449821

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 950
Semi-minor axis of confidence ellipse (meter) 508
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 287
Circular confidence region, given by single value of horizontal uncertainty (meter) 950.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 212
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) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.10522
Epicentral distance of station farthest from the epicenter (degree) 0.85705
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 116449821
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-04-17 08:05:00

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 113099811
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-12-26 16:24:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HLNI.HHZ. 2022-12-26T15:17:58.84 0.3 undecidable manual S 231 49.9167 50 0.3 69
IV.RAFF.HHZ. 2022-12-26T15:17:58.48 0.3 undecidable manual P 242 95.1381 50 -0.03 67
IV.AIO.HHE. 2022-12-26T15:17:55.33 0.3 undecidable manual S 350 38.2284 50 -0.11 73
IV.EPIT.HHZ. 2022-12-26T15:17:53.00 0.3 undecidable manual S 312 29.9478 104 0.36 70
IV.SSY.HHZ. 2022-12-26T15:17:52.39 0.6 undecidable manual P 202 56.5989 50 -0.18 46
IV.ESPC.HHZ. 2022-12-26T15:17:51.20 0.6 undecidable manual S 285 25.8519 106 -0.07 50
IV.HLNI.HHZ. 2022-12-26T15:17:51.34 0.3 undecidable manual P 231 49.9167 50 -0.18 70
IV.EPMN.HHE. 2022-12-26T15:17:50.60 0.3 undecidable manual S 331 24.0537 107 -0.05 76
IV.ESAL.HHZ. 2022-12-26T15:17:49.28 0.6 undecidable manual S 311 20.6682 110 -0.29 48
IV.EMFO.HHZ. 2022-12-26T15:17:49.83 0.3 undecidable manual S 301 22.5552 108 -0.36 71
IV.AIO.HHE. 2022-12-26T15:17:49.95 0.3 undecidable manual P 350 38.2284 50 0.21 71
IV.EVRN.HHZ. 2022-12-26T15:17:48.38 0.3 undecidable manual S 292 16.7721 114 0.1 76
IV.EPIT.HHZ. 2022-12-26T15:17:48.34 0.6 undecidable manual P 312 29.9478 104 0.22 48
IV.EPOZ.HNZ. 2022-12-26T15:17:47.10 0.3 undecidable manual S 292 11.6772 122 0.37 72
IV.ENIC.HHZ. 2022-12-26T15:17:47.20 0.3 undecidable manual P 270 25.4523 106 -0.06 75
IV.EPMN.HHE. 2022-12-26T15:17:47.07 0.3 undecidable manual P 331 24.0537 107 0.1 75
IV.ESPC.HHZ. 2022-12-26T15:17:47.30 0.6 undecidable manual P 285 25.8519 106 -0.03 51
1J.FX08.HHE. 2022-12-26T15:17:47.66 0.3 undecidable manual S 320 15.0738 116 -0.09 76
IV.ESAL.HHZ. 2022-12-26T15:17:46.59 0.3 undecidable manual P 311 20.6682 110 0.25 73
IV.EMFO.HHZ. 2022-12-26T15:17:46.29 0.1 undecidable manual P 301 22.5552 108 -0.41 94
IV.EVRN.HHZ. 2022-12-26T15:17:45.23 0.1 undecidable manual P 292 16.7721 114 -0.37 96
1J.FX08.HHE. 2022-12-26T15:17:45.49 0.3 undecidable manual P 320 15.0738 116 0.19 75
IV.EPOZ.HNZ. 2022-12-26T15:17:44.91 0.1 undecidable manual P 292 11.6772 122 0.2 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EPOZ.HNE. ML:2.0 0.0011978515000000002 0.128 AML other m 2022-12-26T15:17:47.21
IV.EPOZ.HHE. ML:1.9 0.0010848197500000001 0.1024 AML other m 2022-12-26T15:17:47.28
IV.EPOZ.HNN. ML:1.9 0.0010127867 0.128 AML other m 2022-12-26T15:17:48.06
IV.EVRN.HNN. ML:2.2 0.0015677699999999998 0.1664 AML other m 2022-12-26T15:17:51.82
IV.EVRN.HHN. ML:2.2 0.001558562 0.1408 AML other m 2022-12-26T15:17:50.07
IV.EPOZ.HHN. ML:1.9 0.001014009 0.1792 AML other m 2022-12-26T15:17:47.33
IV.EVRN.HNE. ML:2.1 0.0011047961000000002 0.1536 AML other m 2022-12-26T15:17:48.43
IV.EVRN.HHE. ML:2.1 0.0012284775 0.1536 AML other m 2022-12-26T15:17:51.89
IV.HLNI.HHE. ML:1.0 0.000025887964999999998 0.1792 AML other m 2022-12-26T15:18:01.06
IV.HLNI.HHN. ML:1.0 0.0000228921055 0.32 AML other m 2022-12-26T15:18:01.45
IV.EPIT.HHN. ML:2.3 0.00092557115 0.6016 AML other m 2022-12-26T15:17:56.63
IV.EPIT.HHE. ML:2.2 0.0007577233999999999 0.448 AML other m 2022-12-26T15:17:54.27
IV.SSY.HHN. ML:1.9 0.00018001695000000002 0.2048 AML other m 2022-12-26T15:18:07.35
IV.SSY.HNE. ML:1.4 0.000054146555 0.1664 AML other m 2022-12-26T15:18:04.07
IV.SSY.HHE. ML:1.6 0.00009948483999999999 0.4096 AML other m 2022-12-26T15:18:03.58
IV.SSY.HNN. ML:1.4 0.000061397345 0.2048 AML other m 2022-12-26T15:18:07.35
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