Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 03-02-2023 and time 03:37:51 (Italy) in region 3 km SW Caronia (ME)

A magnitude ML 1.7 earthquake occured in region: 3 km SW Caronia (ME), on

  • 03-02-2023 02:37:51 (UTC)
  • 03-02-2023 03:37:51 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.0150, 14.4160 at 10 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
Caronia ME 3 3364 3364
Santo Stefano di Camastra ME 6 4694 8058
Reitano ME 8 806 8864
Mistretta ME 10 4791 13655
Motta d'Affermo ME 11 739 14394
Pettineo ME 12 1350 15744
Tusa ME 16 2925 18669
San Fratello ME 16 3707 22376
Acquedolci ME 16 5744 28120
Castel di Lucio ME 17 1294 29414
Capizzi ME 19 3176 32590

Municipalities with at least 50000 inhabitants

An earthquake occurred to
66 Km NE of Caltanissetta (63360 inhabitants)
80 Km E of Bagheria (55387 inhabitants)
80 Km NW of Acireale (52622 inhabitants)
82 Km NW of Catania (314555 inhabitants)
93 Km E of Palermo (674435 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 2023-02-03
02:37:51		 38.0148 14.4158 10 2024-03-01
17:17:56		 Bollettino Sismico Italiano INGV 114625551
Reviewed
Rev100 		ML 2.0 2023-02-03
02:37:51		 38.0067 14.4107 10 2023-02-03
02:42:34		 Sala Sismica INGV-Roma 114004491
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-03 02:37:51 ± 0.11
Latitude 38.0148 ± 0.0144
Longitude 14.4158 ± 0.0057
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 114625551

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1555
Semi-minor axis of confidence ellipse (meter) 199
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 357
Circular confidence region, given by single value of horizontal uncertainty (meter) 1560.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 175
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.13939
Epicentral distance of station farthest from the epicenter (degree) 0.64481
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 114004491
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-03 02:42:34

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 114625551
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-02-20 15:06:35
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MUCR.HHZ. 2023-02-03T02:38:05.08 0.6 undecidable manual S 85 40.1265 50 0.09 48
IV.AIO.HHZ. 2023-02-03T02:38:04.17 0.6 undecidable manual P 94 71.5728 50 0 46
IV.GIB.HHZ. 2023-02-03T02:38:03.87 0.6 undecidable manual S 265 34.1436 50 0.47 45
IV.GALF.HHZ. 2023-02-03T02:38:03.93 0.6 undecidable manual S 159 36.2415 50 -0.02 49
IV.CSLB.HHZ. 2023-02-03T02:38:03.00 0.3 undecidable manual S 255 32.4453 50 0.06 73
IV.PLLN.EHZ. 2023-02-03T02:38:00.96 0.3 undecidable manual S 264 23.9538 113 0.39 69
IV.LIBRI.HHN. 2023-02-03T02:38:00.00 0.3 undecidable manual P 80 45.4212 50 -0.14 70
IV.ESCV.HHN. 2023-02-03T02:38:00.64 0.6 undecidable manual P 130 45.9207 50 0.43 44
IV.EPZF.HHZ. 2023-02-03T02:38:00.55 0.6 undecidable manual P 119 44.0226 50 0.63 41
IV.MUCR.HHZ. 2023-02-03T02:37:59.29 0.3 undecidable manual P 85 40.1265 50 -0.03 73
IV.GIB.HHZ. 2023-02-03T02:37:58.49 0.3 undecidable manual P 265 34.1436 50 0.09 73
IV.MSFR.HHZ. 2023-02-03T02:37:58.06 0.3 undecidable manual S 82 15.4734 123 0.1 75
IV.GALF.HHZ. 2023-02-03T02:37:58.43 0.3 undecidable manual P 159 36.2415 50 -0.29 69
IV.CSLB.HHZ. 2023-02-03T02:37:57.22 0.3 undecidable manual P 255 32.4453 50 -0.91 56
IV.PLLN.EHZ. 2023-02-03T02:37:56.44 0.3 undecidable manual P 264 23.9538 113 -0.32 70
IV.MSFR.HHZ. 2023-02-03T02:37:55.17 0.1 positive manual P 82 15.4734 123 -0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MSFR.HHN. ML:1.7 0.0005309999999999999 0.42 AML other m 2023-02-03T02:38:02.25
IV.MSFR.HHE. ML:1.9 0.000775 0.96 AML other m 2023-02-03T02:38:03.49
IV.GIB.HHN. ML:1.6 0.00015699374999999998 0.44 AML other m 2023-02-03T02:38:05.46
IV.MUCR.HHN. ML:1.8 0.00023299999999999997 0.32 AML other m 2023-02-03T02:38:09.67
IV.MUCR.HHE. ML:1.8 0.000193 0.7 AML other m 2023-02-03T02:38:10.88
IV.GIB.HHE. ML:1.5 0.00012717429 0.3984 AML other m 2023-02-03T02:38:06.28
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