Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 11-07-2023 and time 09:32:39 (Italy) in region 2 km SE Alcara li Fusi (ME)

A magnitude ML 1.7 earthquake occured in region: 2 km SE Alcara li Fusi (ME), on

  • 11-07-2023 07:32:39 (UTC)
  • 11-07-2023 09:32:39 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.0050, 14.7160 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 2 1980 1980
Longi ME 4 1473 3453
Militello Rosmarino ME 6 1324 4777
Galati Mamertino ME 6 2627 7404
San Marco d'Alunzio ME 8 1996 9400
Frazzanò ME 8 711 10111
San Salvatore di Fitalia ME 9 1319 11430
Mirto ME 10 974 12404
Tortorici ME 10 6435 18839
Torrenova ME 10 4386 23225
Sant'Agata di Militello ME 10 12624 35849
San Fratello ME 11 3707 39556
Capri Leone ME 12 4515 44071
Castell'Umberto ME 12 3128 47199
Acquedolci ME 13 5744 52943
Naso ME 15 3813 56756
Sinagra ME 15 2705 59461
Ucria ME 15 1058 60519
Ficarra ME 15 1469 61988
Floresta ME 17 485 62473
San Teodoro ME 17 1403 63876
Capo d'Orlando ME 18 13254 77130
Maniace CT 18 3765 80895
Cesarò ME 18 2439 83334
Raccuja ME 18 1041 84375
Sant'Angelo di Brolo ME 19 3090 87465
Brolo ME 20 5783 93248

Municipalities with at least 50000 inhabitants

An earthquake occurred to
59 Km NW of Acireale (52622 inhabitants)
65 Km NW of Catania (314555 inhabitants)
77 Km W of Messina (238439 inhabitants)
81 Km NE of Caltanissetta (63360 inhabitants)
82 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 1.7 2023-07-11
07:32:39		 38.005 14.7157 10 2023-07-11
07:40:11		 Sala Sismica INGV-Roma 119159111
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-11 07:32:39 ± 0.07
Latitude 38.0050 ± 0.0054
Longitude 14.7157 ± 0.0046
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 119159111

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 620
Semi-minor axis of confidence ellipse (meter) 212
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 348
Circular confidence region, given by single value of horizontal uncertainty (meter) 620.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 138
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.45146
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 119159111
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-11 07:40:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.AIO.HHZ. 2023-07-11T07:32:54.36 0.3 undecidable manual S 95 45.4212 50 0.39 67
IV.NOV.HHZ. 2023-07-11T07:32:51.61 0.3 undecidable manual S 86 36.9297 50 -0.09 70
IV.IVPL.HHZ. 2023-07-11T07:32:50.43 3.0 negative manual P 0.89 0
IV.GALF.HHZ. 2023-07-11T07:32:50.78 0.3 undecidable manual S 202 35.1426 50 -0.46 66
IV.EPZF.HHZ. 2023-07-11T07:32:48.64 0.3 undecidable manual S 148 23.5542 50 0.49 61
IV.PLLN.EHZ. 2023-07-11T07:32:48.86 0.1 undecidable manual P 269 50.1165 50 0.4 89
IV.AIO.HHZ. 2023-07-11T07:32:47.71 0.1 undecidable manual P 95 45.4212 50 -0.03 94
IV.LIBRI.HNZ. 2023-07-11T07:32:47.07 0.3 undecidable manual S 65 20.5683 117 -0.15 73
IV.GALF.HHZ. 2023-07-11T07:32:46.05 0.1 undecidable manual P 202 35.1426 50 -0.11 95
IV.NOV.HHZ. 2023-07-11T07:32:46.26 0.1 undecidable manual P 86 36.9297 50 -0.17 92
IV.EMSG.HHZ. 2023-07-11T07:32:45.36 0.1 undecidable manual P 135 28.9488 50 0.16 95
IV.MUCR.HHZ. 2023-07-11T07:32:45.39 0.3 undecidable manual S 73 14.4744 126 -0.01 74
IV.MSFR.HHZ. 2023-07-11T07:32:44.65 0.3 undecidable manual S 287 11.2776 132 0.1 74
IV.EPZF.HHZ. 2023-07-11T07:32:44.19 0.1 undecidable manual P 148 23.5542 50 -0.19 98
IV.LIBRI.HNZ. 2023-07-11T07:32:43.81 0.1 undecidable manual P 65 20.5683 117 -0.03 99
IV.MUCR.HHZ. 2023-07-11T07:32:42.71 0.1 undecidable manual P 73 14.4744 126 -0.08 100
IV.MSFR.HHZ. 2023-07-11T07:32:42.21 0.1 undecidable manual P 287 11.2776 132 -0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MUCR.HHE. ML:1.5 0.00032 1.44 AML other m 2023-07-11T07:32:47.91
IV.MUCR.HHN. ML:1.5 0.000327 0.74 AML other m 2023-07-11T07:32:47.64
IV.EPZF.HNE. ML:1.8 0.0004125 0.56 AML other m 2023-07-11T07:32:50.34
IV.EPZF.HNN. ML:1.9 0.0005349999999999999 0.34 AML other m 2023-07-11T07:32:50.32
IV.EPZF.HHN. ML:2.0 0.000557 0.54 AML other m 2023-07-11T07:32:51.33
IV.EPZF.HHE. ML:1.8 0.0003765 0.7 AML other m 2023-07-11T07:32:51.63
IV.NOV.HHN. ML:1.2 0.00005935 0.38 AML other m 2023-07-11T07:32:53.22
IV.NOV.HHE. ML:1.4 0.0000863 0.44 AML other m 2023-07-11T07:32:54.65
IV.GALF.HHE. ML:2.2 0.0006035 0.58 AML other m 2023-07-11T07:32:57.31
IV.GALF.HHN. ML:2.1 0.00046699999999999997 1.3 AML other m 2023-07-11T07:32:58.78
IV.AIO.HHE. ML:1.4 0.00007145 0.52 AML other m 2023-07-11T07:32:59.39
IV.AIO.HHN. ML:1.3 0.00005305 0.54 AML other m 2023-07-11T07:32:59.18
IV.PLLN.EHE. ML:1.7 0.0001185 0.42 AML other m 2023-07-11T07:33:00.46
IV.PLLN.EHN. ML:1.7 0.00011999999999999999 0.4 AML other m 2023-07-11T07:33:02.07
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