Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 06-07-2023 and time 22:36:50 (Italy) in region 4 km SW Alcara li Fusi (ME)

A magnitude ML 1.5 earthquake occured in region: 4 km SW Alcara li Fusi (ME), on

  • 06-07-2023 20:36:50 (UTC)
  • 06-07-2023 22:36:50 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.9890, 14.6810 at 10 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Alcara li Fusi ME 4 1980 1980
Militello Rosmarino ME 7 1324 3304
Longi ME 8 1473 4777
San Fratello ME 8 3707 8484
Galati Mamertino ME 9 2627 11111
San Marco d'Alunzio ME 10 1996 13107
Sant'Agata di Militello ME 10 12624 25731
Frazzanò ME 11 711 26442
Acquedolci ME 11 5744 32186
Torrenova ME 12 4386 36572
San Salvatore di Fitalia ME 13 1319 37891
Mirto ME 13 974 38865
Capri Leone ME 14 4515 43380
Tortorici ME 14 6435 49815
Castell'Umberto ME 16 3128 52943
San Teodoro ME 16 1403 54346
Cesarò ME 16 2439 56785
Naso ME 18 3813 60598
Maniace CT 18 3765 64363
Sinagra ME 18 2705 67068
Ucria ME 19 1058 68126
Ficarra ME 19 1469 69595
Capo d'Orlando ME 20 13254 82849

Municipalities with at least 50000 inhabitants

An earthquake occurred to
60 Km NW of Acireale (52622 inhabitants)
65 Km NW of Catania (314555 inhabitants)
77 Km NE of Caltanissetta (63360 inhabitants)
80 Km W of Messina (238439 inhabitants)
85 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
Reviewed
Rev100 		ML 1.5 2023-07-06
20:36:50		 37.9887 14.6812 10 2023-07-06
20:51:57		 Sala Sismica INGV-Roma 119030341
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-06 20:36:50 ± 0.1
Latitude 37.9887 ± 0.0072
Longitude 14.6812 ± 0.0068
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 119030341

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 800
Semi-minor axis of confidence ellipse (meter) 111
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 174
Circular confidence region, given by single value of horizontal uncertainty (meter) 800.0
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 21
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.08364
Epicentral distance of station farthest from the epicenter (degree) 0.53690
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitude information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.4
Num. used stations 12
Type of magnitude ML
Reference to an origin 119030341
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-06 20:51:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
3D.OEM8.HHE. 2023-07-06T20:37:09.33 0.6 undecidable manual S 21 57.0984 50 0.34 44
IV.AIO.HHZ. 2023-07-06T20:37:06.61 0.6 undecidable manual S 92 48.3183 50 -0.03 48
IV.GIB.HHE. 2023-07-06T20:37:01.38 0.1 undecidable manual P 270 57.2982 50 -0.03 94
3D.OEM8.HHE. 2023-07-06T20:37:01.52 0.1 undecidable manual P 21 57.0984 50 0.14 92
7C.SPAOL.HHZ. 2023-07-06T20:37:01.95 1.0 undecidable manual P 145 59.5959 50 0.19 23
IV.MILZ.HHE. 2023-07-06T20:37:01.30 0.1 undecidable manual P 57 57.2982 50 -0.12 92
IV.EPMN.HHZ. 2023-07-06T20:37:00.68 0.6 negative manual P 113 47.3193 50 0.81 38
IV.IVUG.HHE. 2023-07-06T20:37:00.92 0.1 undecidable manual P 30 52.4031 50 0.26 91
IV.CSLB.HHE. 2023-07-06T20:37:00.29 0.1 undecidable manual P 264 54.8007 50 -0.74 78
IV.EPZF.HHZ. 2023-07-06T20:37:00.76 1.0 undecidable manual S 140 23.8539 112 0.81 20
IV.IVPL.HHE. 2023-07-06T20:37:00.46 0.3 undecidable manual P 31 50.3163 50 0.13 70
3D.OEM9.HHE. 2023-07-06T20:37:00.57 0.1 undecidable manual P 31 51.9036 50 -0.01 96
IV.LIBRI.HHZ. 2023-07-06T20:36:59.30 0.6 undecidable manual S 64 24.0537 112 -0.7 42
IV.AIO.HHZ. 2023-07-06T20:36:59.72 0.3 undecidable manual P 92 48.3183 50 -0.31 68
IV.MUCR.HHZ. 2023-07-06T20:36:58.07 0.6 undecidable manual S 70 17.871 119 0.01 51
IV.GALF.HHZ. 2023-07-06T20:36:57.67 0.6 positive manual P 198 32.4453 50 0.09 49
IV.EPZF.HHZ. 2023-07-06T20:36:56.16 0.6 undecidable manual P 140 23.8539 112 0 50
IV.MSFR.HHZ. 2023-07-06T20:36:55.94 0.6 undecidable manual S 303 9.2796 136 0.28 49
IV.LIBRI.HHZ. 2023-07-06T20:36:55.85 0.6 undecidable manual P 64 24.0537 112 -0.34 47
IV.MUCR.HHZ. 2023-07-06T20:36:54.99 0.1 positive manual P 70 17.871 119 -0.08 100
IV.MSFR.HHZ. 2023-07-06T20:36:53.84 0.1 undecidable manual P 303 9.2796 136 0.16 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MUCR.HHN. ML:1.3 0.0001815 0.44 AML other m 2023-07-06T20:36:58.22
IV.MUCR.HHE. ML:1.6 0.000316 0.7 AML other m 2023-07-06T20:36:58.20
IV.LIBRI.HHN. ML:1.1 0.00007214999999999999 0.28 AML other m 2023-07-06T20:36:59.65
IV.LIBRI.HNN. ML:1.7 0.00032950000000000004 0.28 AML other m 2023-07-06T20:36:59.69
IV.LIBRI.HHE. ML:1.0 0.00006345000000000001 0.42 AML other m 2023-07-06T20:37:00.41
IV.LIBRI.HNE. ML:1.5 0.0001995 0.34 AML other m 2023-07-06T20:37:00.42
IV.GALF.HHE. ML:1.5 0.000131 0.52 AML other m 2023-07-06T20:37:06.11
IV.GALF.HHN. ML:1.5 0.0001375 0.48 AML other m 2023-07-06T20:37:06.66
IV.AIO.HHE. ML:1.3 0.00004815 0.66 AML other m 2023-07-06T20:37:06.90
IV.AIO.HHN. ML:1.3 0.0000523 1.62 AML other m 2023-07-06T20:37:07.01
7C.SPAOL.HNE. ML:3.7 0.010395 1.12 AML other m 2023-07-06T20:37:24.07
7C.SPAOL.HNN. ML:3.5 0.006109999999999999 0.58 AML other m 2023-07-06T20:37:24.54
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