Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 05-02-2023 and time 20:57:14 (UTC) in region 10 km NW Adrano (CT)

A magnitude ML 2.2 earthquake occured in region: 10 km NW Adrano (CT), on

  • 05-02-2023 20:57:14 (UTC)
  • 05-02-2023 21:57:14 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.7180, 14.7410 at 22 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Adrano CT 10 36122 36122
Centuripe EN 11 5470 41592
Bronte CT 11 19172 60764
Regalbuto EN 11 7277 68041
Biancavilla CT 14 24007 92048
Cesarò ME 14 2439 94487
Troina EN 15 9373 103860
San Teodoro ME 15 1403 105263
Maletto CT 17 3920 109183
Catenanuova EN 17 4866 114049
Santa Maria di Licodia CT 17 7641 121690
Maniace CT 17 3765 125455
Gagliano Castelferrato EN 18 3593 129048
Ragalna CT 20 3924 132972

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km NW of Catania (314555 inhabitants)
39 Km W of Acireale (52622 inhabitants)
65 Km E of Caltanissetta (63360 inhabitants)
84 Km NE of Gela (75827 inhabitants)
87 Km N of Vittoria (63339 inhabitants)
88 Km NW of Siracusa (122291 inhabitants)
88 Km N of Ragusa (73313 inhabitants)
89 Km SW of Messina (238439 inhabitants)
91 Km SW of Reggio di Calabria (183035 inhabitants)
95 Km N 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 2.2 2023-02-05
20:57:14		 37.7175 14.7413 22 2024-03-01
17:18:16		 Bollettino Sismico Italiano INGV 120792851
Reviewed
Rev200 		ML 1.8 2023-02-05
20:57:14		 37.733 14.753 12 2023-09-05
15:11:55		 Sala Operativa INGV_OE (Catania) 114110431
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-05 20:57:14 ± 0.22
Latitude 37.7175 ± 0.0162
Longitude 14.7413 ± 0.0216
Depth (km) 22 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 120792851

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1879
Semi-minor axis of confidence ellipse (meter) 1417
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 110
Circular confidence region, given by single value of horizontal uncertainty (meter) 1880.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 103
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.38
Epicentral distance of station closest to the epicenter (degree) 0.06565
Epicentral distance of station farthest from the epicenter (degree) 0.81568
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 114110431
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2023-02-05 21:25:46

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 120792851
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-09-05 14:17:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HAVL.HHZ. 2023-02-05T20:57:42.02 0.6 undecidable manual S 158 90.5427 98 0.81 35
IV.HAVL.HHZ. 2023-02-05T20:57:29.49 0.3 undecidable manual P 158 90.5427 98 -0.39 60
IV.HLNI.HHZ. 2023-02-05T20:57:29.20 0.6 undecidable manual S 164 42.5241 109 0.53 43
IV.EMSG.HHZ. 2023-02-05T20:57:24.23 0.6 undecidable manual S 58 21.5673 128 0.51 44
IV.GALF.HHZ. 2023-02-05T20:57:23.18 0.6 undecidable manual S 267 15.3735 139 0.66 43
IV.EPZF.HHZ. 2023-02-05T20:57:23.23 0.6 undecidable manual S 41 15.5733 139 0.67 42
IV.MUCR.HHZ. 2023-02-05T20:57:22.11 0.3 undecidable manual P 18 37.9287 111 0.13 70
IV.HLNI.HHZ. 2023-02-05T20:57:22.31 0.1 undecidable manual P 164 42.5241 109 -0.33 89
IV.MSFR.HHZ. 2023-02-05T20:57:21.97 0.3 undecidable manual P 340 37.4292 112 0.06 71
IV.ESCV.HHZ. 2023-02-05T20:57:20.36 0.6 undecidable manual S 63 7.2927 159 -1.04 37
IV.ESVO.HHE. 2023-02-05T20:57:19.44 0.3 undecidable manual P 71 19.0698 132 -0.04 74
IV.EPZF.HHZ. 2023-02-05T20:57:19.11 0.1 undecidable manual P 41 15.5733 139 0 100
IV.EMSG.HHZ. 2023-02-05T20:57:19.81 0.3 undecidable manual P 58 21.5673 128 0.04 74
IV.GALF.HHZ. 2023-02-05T20:57:19.22 0.1 undecidable manual P 267 15.3735 139 0.13 98
IV.ECHR.HHE. 2023-02-05T20:57:19.23 0.1 undecidable manual P 103 15.4734 139 0.13 98
IV.ESML.HHZ. 2023-02-05T20:57:19.43 0.1 undecidable manual P 132 16.3725 137 0.24 96
IV.ECZM.HHN. 2023-02-05T20:57:18.64 0.1 undecidable manual P 84 14.3745 142 -0.35 94
IV.ESCV.HHZ. 2023-02-05T20:57:17.68 0.1 undecidable manual P 63 7.2927 159 -0.76 83
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ESCV.HHE. ML:2.6 0.00256 1.04 AML other m 2023-02-05T20:57:21.53
IV.ESCV.HHN. ML:2.8 0.0041600000000000005 1.74 AML other m 2023-02-05T20:57:22.08
IV.EPZF.HHE. ML:2.4 0.001615 0.46 AML other m 2023-02-05T20:57:23.77
IV.GALF.HNN. ML:1.8 0.000413 1.12 AML other m 2023-02-05T20:57:23.26
IV.GALF.HHE. ML:2.6 0.0024050000000000005 1.1 AML other m 2023-02-05T20:57:24.05
IV.GALF.HNE. ML:1.8 0.00034550000000000005 1 AML other m 2023-02-05T20:57:24.60
IV.GALF.HHN. ML:2.8 0.004035 0.88 AML other m 2023-02-05T20:57:24.26
IV.EPZF.HHN. ML:2.3 0.0011560000000000001 0.22 AML other m 2023-02-05T20:57:25.31
IV.ESML.HNN. ML:1.9 0.0004665 0.68 AML other m 2023-02-05T20:57:27.58
IV.ESML.HNE. ML:2.0 0.0005515 0.48 AML other m 2023-02-05T20:57:27.64
IV.ESML.HHE. ML:1.9 0.0005375 0.5 AML other m 2023-02-05T20:57:27.64
IV.EMSG.HHE. ML:2.2 0.0008835 0.52 AML other m 2023-02-05T20:57:28.65
IV.ESML.HHN. ML:1.8 0.0004095 0.34 AML other m 2023-02-05T20:57:29.33
IV.EMSG.HHN. ML:2.2 0.0009119999999999999 1.5 AML other m 2023-02-05T20:57:29.78
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