Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 24-12-2022 and time 07:44:21 (UTC) in region 2 km NW Troina (EN)

A magnitude ML 2.0 earthquake occured in region: 2 km NW Troina (EN), on

  • 24-12-2022 07:44:21 (UTC)
  • 24-12-2022 08:44:21 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.8010, 14.5800 at 34 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
Troina EN 3 9373 9373
Cerami EN 7 2006 11379
Capizzi ME 10 3176 14555
Gagliano Castelferrato EN 11 3593 18148
San Teodoro ME 12 1403 19551
Cesarò ME 13 2439 21990
Agira EN 17 8345 30335
Nicosia EN 17 13899 44234
Regalbuto EN 17 7277 51511
Nissoria EN 20 3000 54511

Municipalities with at least 50000 inhabitants

An earthquake occurred to
56 Km NW of Catania (314555 inhabitants)
56 Km W of Acireale (52622 inhabitants)
57 Km NE of Caltanissetta (63360 inhabitants)
87 Km NE of Gela (75827 inhabitants)
95 Km N of Vittoria (63339 inhabitants)
96 Km W of Messina (238439 inhabitants)
98 Km N of Ragusa (73313 inhabitants)
99 Km E of Bagheria (55387 inhabitants)
99 Km W of Reggio di Calabria (183035 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 2022-12-24
07:44:21		 37.801 14.5803 34 2024-03-01
15:28:13		 Bollettino Sismico Italiano INGV 113169471
Reviewed
Rev100 		ML 2.0 2022-12-24
07:44:21		 37.8043 14.5912 32 2022-12-24
07:53:09		 Sala Sismica INGV-Roma 113050931
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-12-24 07:44:21 ± 0.19
Latitude 37.8010 ± 0.0090
Longitude 14.5803 ± 0.0137
Depth (km) 34 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 113169471

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 933
Semi-minor axis of confidence ellipse (meter) 844
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 105
Circular confidence region, given by single value of horizontal uncertainty (meter) 930.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 78
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.35
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.94429
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 18
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 113169471
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-12-29 14:46:34

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 113050931
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-12-24 07:53:09
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MTGR.HHZ. 2022-12-24T07:44:45.48 3.0 negative manual Pg 1.37 0
IV.VAE.HHZ. 2022-12-24T07:44:42.23 3.0 undecidable manual P 0
IV.AIO.HHZ. 2022-12-24T07:44:41.29 0.3 undecidable manual S 72 60.1953 115 0.27 67
IV.HLNI.HHZ. 2022-12-24T07:44:40.16 0.6 undecidable manual S 153 56.3991 116 0.06 47
IV.HAVL.HHZ. 2022-12-24T07:44:38.55 0.3 undecidable manual P 153 104.8173 54 -0.24 61
IV.LIBRI.HHZ. 2022-12-24T07:44:37.11 0.3 undecidable manual S 44 43.7229 123 -0.05 71
IV.MUCR.HHZ. 2022-12-24T07:44:35.50 0.3 undecidable manual S 44 37.1295 128 -0.24 69
IV.AGST.EHZ. 2022-12-24T07:44:35.04 0.1 undecidable manual P 137 82.9503 108 -0.87 68
IV.SSY.HHZ. 2022-12-24T07:44:35.72 0.1 undecidable manual P 149 83.5497 107 -0.27 84
IV.RAFF.HHZ. 2022-12-24T07:44:34.12 0.1 undecidable manual P 197 66.9774 112 0.53 82
IV.HCRL.HHZ. 2022-12-24T07:44:33.55 0.3 undecidable manual P 145 69.8745 111 -0.45 62
IV.MSFR.HHZ. 2022-12-24T07:44:33.28 0.3 undecidable manual S 2 25.8519 139 -0.27 71
IV.HVZN.HHZ. 2022-12-24T07:44:33.88 0.3 undecidable manual P 170 70.0743 111 -0.16 67
IV.AIO.HHZ. 2022-12-24T07:44:32.64 0.3 undecidable manual P 72 60.1953 115 0.01 70
IV.EPMN.HHZ. 2022-12-24T07:44:32.24 0.3 undecidable manual P 87 52.4031 118 0.69 60
IV.GALF.HHZ. 2022-12-24T07:44:31.58 0.1 undecidable manual S 187 10.0788 162 0.14 100
IV.EMSA.HHZ. 2022-12-24T07:44:31.42 0.1 undecidable manual P 136 46.4202 121 0.67 82
IV.HLNI.HHZ. 2022-12-24T07:44:31.77 0.3 undecidable manual P 153 56.3991 116 -0.33 66
IV.PETRA.HHE. 2022-12-24T07:44:30.48 0.3 undecidable manual P 275 40.9257 125 0.43 66
IV.CSLB.HHE. 2022-12-24T07:44:30.92 0.3 undecidable manual P 288 48.2184 120 -0.07 72
IV.PLLN.EHE. 2022-12-24T07:44:30.85 0.3 undecidable manual P 299 43.8228 123 0.44 65
IV.LIBRI.HHZ. 2022-12-24T07:44:30.41 0.1 positive manual P 44 43.7229 123 0.01 96
IV.MUCR.HHZ. 2022-12-24T07:44:29.57 0.1 positive manual P 44 37.1295 128 -0.01 97
IV.MSFR.HHZ. 2022-12-24T07:44:28.01 0.3 undecidable manual P 2 25.8519 139 -0.3 70
IV.EPZF.HHE. 2022-12-24T07:44:28.58 0.1 undecidable manual P 84 24.3534 141 0.41 92
IV.GALF.HHZ. 2022-12-24T07:44:26.59 0.1 undecidable manual P 187 10.0788 162 -0.51 91
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GALF.HHE. ML:2.1 0.0005315 1.18 AML other m 2022-12-24T07:44:32.18
IV.GALF.HHN. ML:2.1 0.0004855 0.26 AML other m 2022-12-24T07:44:33.00
IV.MUCR.HHE. ML:1.8 0.000149 0.76 AML other m 2022-12-24T07:44:36.70
IV.MUCR.HHN. ML:1.8 0.0001795 0.76 AML other m 2022-12-24T07:44:38.56
IV.HLNI.HHN. ML:1.8 0.00010485 0.64 AML other m 2022-12-24T07:44:41.35
IV.HLNI.HHE. ML:1.7 0.00009884999999999999 0.6 AML other m 2022-12-24T07:44:42.57
IV.RAFF.HHN. ML:1.8 0.0001 1.58 AML other m 2022-12-24T07:44:43.09
IV.HCRL.HHE. ML:2.2 0.000235 1.64 AML other m 2022-12-24T07:44:44.14
IV.HCRL.HHN. ML:2.1 0.00016800000000000002 0.1 AML other m 2022-12-24T07:44:45.80
IV.RAFF.HHE. ML:1.9 0.00012035000000000001 1.58 AML other m 2022-12-24T07:44:46.86
IV.HVZN.HNN. ML:2.2 0.00022250000000000001 0.42 AML other m 2022-12-24T07:44:50.25
IV.HVZN.HNE. ML:2.1 0.00019399999999999997 1.16 AML other m 2022-12-24T07:44:50.89
IV.HAVL.HHN. ML:2.3 0.00016599999999999997 0.7 AML other m 2022-12-24T07:44:54.87
IV.HAVL.HHE. ML:2.2 0.000143 0.48 AML other m 2022-12-24T07:44:56.52
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
Waveforms Seismic signals in miniseed + resp format Download