Earthquake with magnitude of ML 1.7 on date 06-02-2023 and time 00:25:57 (Italy) in region 8 km NW Adrano (CT)

A magnitude ML 1.7 earthquake occured in region: 8 km NW Adrano (CT), on

  • 05-02-2023 23:25:57 (UTC)
  • 06-02-2023 00:25:57 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.6990, 14.7560 at 20 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.

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 8 36122 36122
Centuripe EN 9 5470 41592
Regalbuto EN 11 7277 48869
Biancavilla CT 12 24007 72876
Bronte CT 12 19172 92048
Santa Maria di Licodia CT 15 7641 99689
Catenanuova EN 16 4866 104555
CesarĂ² ME 17 2439 106994
Troina EN 17 9373 116367
San Teodoro ME 17 1403 117770
Maletto CT 18 3920 121690
Ragalna CT 18 3924 125614
PaternĂ² CT 19 48228 173842
Maniace CT 19 3765 177607
Gagliano Castelferrato EN 19 3593 181200

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km NW of Catania (314555 inhabitants)
37 Km W of Acireale (52622 inhabitants)
65 Km E of Caltanissetta (63360 inhabitants)
83 Km NE of Gela (75827 inhabitants)
85 Km NW of Siracusa (122291 inhabitants)
86 Km N of Vittoria (63339 inhabitants)
86 Km N of Ragusa (73313 inhabitants)
89 Km SW of Messina (238439 inhabitants)
90 Km SW of Reggio di Calabria (183035 inhabitants)
93 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 1.7 2023-02-05
23:25:57
37.699 14.756 20 2024-03-01
17:18:16
Bollettino Sismico Italiano INGV 120795691
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-05 23:25:57 ± 0.33
Latitude 37.6990 ± 0.0135
Longitude 14.7560 ± 0.0205
Depth (km) 20 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 120795691

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1816
Semi-minor axis of confidence ellipse (meter) 693
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 273
Circular confidence region, given by single value of horizontal uncertainty (meter) 1820.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 120
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.06745
Epicentral distance of station farthest from the epicenter (degree) 0.59715
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 120795691
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-09-05 15:10:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSY.HHE. 2023-02-05T23:26:08.80 0.3 undecidable manual P 155 66.2781 99 -0.12 68
IV.EPZF.HHN. 2023-02-05T23:26:05.86 0.6 undecidable manual S 33 16.4724 133 0.76 41
IV.LIBRI.HHN. 2023-02-05T23:26:05.53 0.3 undecidable manual P 19 45.3213 104 -0.22 71
IV.MSFR.HHZ. 2023-02-05T23:26:05.34 0.3 undecidable manual P 339 39.8268 107 0.4 68
IV.MUCR.HHE. 2023-02-05T23:26:04.96 0.3 undecidable manual P 15 39.5271 107 0.07 73
IV.ESCV.HHZ. 2023-02-05T23:26:03.22 0.6 undecidable manual S 44 7.4814 156 -0.46 47
IV.EMSG.HHN. 2023-02-05T23:26:02.31 0.3 undecidable manual P 51 21.7671 124 -0.08 76
IV.GALF.HHZ. 2023-02-05T23:26:01.78 0.3 undecidable manual P 275 16.6722 133 0 76
IV.ECHR.HHE. 2023-02-05T23:26:01.80 0.3 undecidable manual P 96 13.875 139 0.32 73
IV.EPZF.HHN. 2023-02-05T23:26:01.60 0.1 undecidable manual P 33 16.4724 133 -0.15 100
IV.ESML.HHZ. 2023-02-05T23:26:01.99 0.1 undecidable manual P 130 14.0748 138 0.5 94
IV.ESCV.HHZ. 2023-02-05T23:26:00.14 0.1 undecidable manual P 44 7.4814 156 -0.8 83
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ESCV.HHE. ML:1.6 0.000316 0.18 AML other m 2023-02-05T23:26:05.28
IV.ESCV.HHN. ML:1.8 0.0004795 0.28 AML other m 2023-02-05T23:26:05.69
IV.GALF.HHN. ML:1.6 0.0002565 1.34 AML other m 2023-02-05T23:26:07.14
IV.GALF.HHE. ML:1.6 0.0002695 0.5 AML other m 2023-02-05T23:26:07.82
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