Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 07-03-2024 and time 09:04:50 (Italy) in region 4 km N Sambuca di Sicilia (AG)

A magnitude ML 1.5 earthquake occured in region: 4 km N Sambuca di Sicilia (AG), on

  • 07-03-2024 08:04:50 (UTC)
  • 07-03-2024 09:04:50 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.6820, 13.1040 at 20 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
Sambuca di Sicilia AG 4 5877 5877
Santa Margherita di Belice AG 7 6363 12240
Contessa Entellina PA 9 1766 14006
Montevago AG 10 3006 17012
Poggioreale TP 11 1494 18506
Giuliana PA 12 1952 20458
Salaparuta TP 12 1696 22154
Bisacquino PA 14 4599 26753
Chiusa Sclafani PA 15 2838 29591
Caltabellotta AG 15 3681 33272
Menfi AG 15 12592 45864
Campofiorito PA 17 1302 47166
Roccamena PA 18 1505 48671
Burgio AG 19 2672 51343
Partanna TP 19 10607 61950
Sciacca AG 19 40928 102878
Villafranca Sicula AG 20 1410 104288

Municipalities with at least 50000 inhabitants

An earthquake occurred to
45 Km E of Mazara del Vallo (51718 inhabitants)
53 Km SW of Palermo (674435 inhabitants)
57 Km SW of Bagheria (55387 inhabitants)
59 Km NW of Agrigento (59770 inhabitants)
60 Km E of Marsala (83194 inhabitants)
64 Km SE of Trapani (68759 inhabitants)
87 Km W of Caltanissetta (63360 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 2024-03-07
08:04:50		 37.6823 13.104 20 2024-03-07
08:18:38		 Sala Sismica INGV-Roma 125745951
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-03-07 08:04:50 ± 0.39
Latitude 37.6823 ± 0.0099
Longitude 13.1040 ± 0.0170
Depth (km) 20 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 125745951

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1330
Semi-minor axis of confidence ellipse (meter) 973
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 104
Circular confidence region, given by single value of horizontal uncertainty (meter) 1330.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 144
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.10252
Epicentral distance of station farthest from the epicenter (degree) 0.28958
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 125745951
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-03-07 08:18:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MBFT.HHZ. 2024-03-07T08:05:01.97 0.3 undecidable manual S 336 32.1456 114 -0.07 71
IV.CORL.HHZ. 2024-03-07T08:05:01.26 0.3 undecidable manual S 37 29.3484 116 -0.11 72
IV.CRJA.HHZ. 2024-03-07T08:04:58.82 0.3 undecidable manual S 327 15.873 136 0.38 69
IV.SCIAC.HHZ. 2024-03-07T08:04:58.75 0.6 undecidable manual S 181 18.3705 131 -0.19 48
IV.MMGO.HHZ. 2024-03-07T08:04:57.25 0.3 undecidable manual S 259 11.3775 146 -0.45 68
IV.CORL.HHZ. 2024-03-07T08:04:56.46 0.6 undecidable manual P 37 29.3484 116 -0.31 46
IV.MBFT.HHZ. 2024-03-07T08:04:56.77 0.3 undecidable manual P 336 32.1456 114 -0.38 67
IV.MFNL.HHZ. 2024-03-07T08:04:56.30 0.3 undecidable manual P 307 19.9689 129 0.76 61
IV.CRJA.HHZ. 2024-03-07T08:04:55.15 0.1 undecidable manual P 327 15.873 136 0.07 99
IV.SCIAC.HHZ. 2024-03-07T08:04:55.44 0.1 undecidable manual P 181 18.3705 131 0.08 98
IV.MMGO.HHZ. 2024-03-07T08:04:54.69 0.1 undecidable manual P 259 11.3775 146 0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MMGO.HNN. ML:1.5 0.000225 0.22 AML other m 2024-03-07T08:04:57.50
IV.MMGO.HHN. ML:1.5 0.00022299999999999997 0.22 AML other m 2024-03-07T08:04:57.50
IV.MMGO.HHE. ML:1.2 0.0001215 0.48 AML other m 2024-03-07T08:04:58.54
IV.MMGO.HNE. ML:1.2 0.0001105 0.48 AML other m 2024-03-07T08:04:58.54
IV.SCIAC.HHE. ML:1.8 0.0003205 0.22 AML other m 2024-03-07T08:04:59.11
IV.SCIAC.HNE. ML:1.8 0.0003205 0.2 AML other m 2024-03-07T08:04:59.10
IV.CRJA.HNN. ML:1.6 0.000222 0.52 AML other m 2024-03-07T08:04:59.29
IV.SCIAC.HNN. ML:1.6 0.00025455765000000004 0.1728 AML other m 2024-03-07T08:04:59.45
IV.SCIAC.HHN. ML:1.6 0.000252 0.9 AML other m 2024-03-07T08:04:59.46
IV.CRJA.HHN. ML:1.5 0.000214 0.36 AML other m 2024-03-07T08:04:59.29
IV.CRJA.HHE. ML:1.5 0.00020649999999999998 1.16 AML other m 2024-03-07T08:04:59.41
IV.CRJA.HNE. ML:1.6 0.000225 1.16 AML other m 2024-03-07T08:04:59.41
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