Earthquake with magnitude of ML 1.8 on date 06-05-2023 and time 00:58:38 (UTC) in region 4 km W Montevago (AG)

A magnitude ML 1.8 earthquake occured in region: 4 km W Montevago (AG), on

  • 06-05-2023 00:58:38 (UTC)
  • 06-05-2023 02:58:38 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.6960, 12.9450 at 11 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Montevago AG 4 3006 3006
Partanna TP 6 10607 13613
Santa Margherita di Belice AG 7 6363 19976
Salaparuta TP 9 1696 21672
Santa Ninfa TP 10 5043 26715
Menfi AG 11 12592 39307
Poggioreale TP 11 1494 40801
Castelvetrano TP 14 31806 72607
Gibellina TP 14 4115 76722
Sambuca di Sicilia AG 16 5877 82599
Salemi TP 18 10794 93393
Campobello di Mazara TP 19 11956 105349

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km E of Mazara del Vallo (51718 inhabitants)
46 Km E of Marsala (83194 inhabitants)
52 Km SE of Trapani (68759 inhabitants)
60 Km SW of Palermo (674435 inhabitants)
66 Km SW of Bagheria (55387 inhabitants)
71 Km NW of Agrigento (59770 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 1.8 2023-05-06
00:58:38
37.6962 12.9447 11 2023-05-06
01:04:55
Sala Sismica INGV-Roma 117068191
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-06 00:58:38 ± 0.19
Latitude 37.6962 ± 0.0081
Longitude 12.9447 ± 0.0159
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 117068191

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1312
Semi-minor axis of confidence ellipse (meter) 670
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 250
Circular confidence region, given by single value of horizontal uncertainty (meter) 1310.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 118
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) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.04227
Epicentral distance of station farthest from the epicenter (degree) 0.34624
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 24
Type of magnitude ML
Reference to an origin 117068191
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-06 01:04:55
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CORL.HHZ. 2023-05-06T00:58:45.27 1.0 negative manual P 55 38.4282 90 -0.43 23
IV.CRJA.HHZ. 2023-05-06T00:58:44.57 0.6 undecidable manual S 24 12.7761 103 0.32 48
IV.MBFT.HHZ. 2023-05-06T00:58:43.49 0.6 negative manual P 2 27.75 90 -0.57 44
IV.SCIAC.HHZ. 2023-05-06T00:58:43.40 0.1 negative manual P 145 24.2535 90 -0.12 99
IV.MTGR.HHZ. 2023-05-06T00:58:43.76 0.3 undecidable manual P 323 27.2505 90 -0.22 72
IV.MFNL.HHZ. 2023-05-06T00:58:43.42 0.6 undecidable manual S 349 10.6782 116 -0.29 49
IV.MMGO.HNZ. 2023-05-06T00:58:42.40 0.6 undecidable manual S 143 4.6953 150 -0.16 51
IV.CAVT.HHZ. 2023-05-06T00:58:42.88 1.0 undecidable manual P 263 16.6722 91 0.52 23
IV.MFNL.HHZ. 2023-05-06T00:58:41.73 0.1 negative manual P 349 10.6782 116 0.28 97
IV.CRJA.HHZ. 2023-05-06T00:58:41.93 0.1 negative manual P 24 12.7761 103 0.17 98
IV.MMGO.HNZ. 2023-05-06T00:58:40.94 0.1 positive manual P 143 4.6953 150 0.15 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MMGO.HNE. ML:2.0 0.00167 0.14 AML other m 2023-05-06T00:58:42.47
IV.MMGO.HHE. ML:2.0 0.0017 0.68 AML other m 2023-05-06T00:58:42.47
IV.MMGO.HHN. ML:2.3 0.003 0.12 AML other m 2023-05-06T00:58:42.46
IV.MMGO.HNN. ML:2.3 0.003015 0.12 AML other m 2023-05-06T00:58:42.46
IV.MFNL.HHN. ML:1.9 0.0009665 0.74 AML other m 2023-05-06T00:58:44.05
IV.MFNL.HHE. ML:1.8 0.0007915 0.6 AML other m 2023-05-06T00:58:44.37
IV.CRJA.HHE. ML:2.2 0.001715 1.7 AML other m 2023-05-06T00:58:44.92
IV.CRJA.HNN. ML:1.9 0.0008285 1.7 AML other m 2023-05-06T00:58:44.92
IV.CRJA.HNE. ML:2.2 0.00168 1.7 AML other m 2023-05-06T00:58:44.92
IV.CRJA.HHN. ML:1.9 0.0008354999999999999 1.72 AML other m 2023-05-06T00:58:44.93
IV.CAVT.HHN. ML:1.9 0.000726 0.34 AML other m 2023-05-06T00:58:46.61
IV.CAVT.HNN. ML:1.7 0.000384 0.34 AML other m 2023-05-06T00:58:46.61
IV.CAVT.HNE. ML:1.7 0.000388 0.16 AML other m 2023-05-06T00:58:46.69
IV.CAVT.HHE. ML:2.0 0.0007825 0.18 AML other m 2023-05-06T00:58:46.69
IV.SCIAC.HHN. ML:1.7 0.0002895 0.24 AML other m 2023-05-06T00:58:47.73
IV.MBFT.HHE. ML:1.2 0.00008060000000000001 1.34 AML other m 2023-05-06T00:58:47.68
IV.SCIAC.HNE. ML:1.8 0.0003885 0.14 AML other m 2023-05-06T00:58:47.70
IV.SCIAC.HHE. ML:1.8 0.000373 0.12 AML other m 2023-05-06T00:58:47.77
IV.SCIAC.HNN. ML:1.7 0.0002915 1.34 AML other m 2023-05-06T00:58:48.73
IV.MBFT.HHN. ML:1.4 0.00011275 1.68 AML other m 2023-05-06T00:58:48.10
IV.MTGR.HHE. ML:0.8 0.000030150000000000004 1.42 AML other m 2023-05-06T00:58:48.15
IV.MTGR.HHN. ML:1.1 0.00007045 0.42 AML other m 2023-05-06T00:58:48.37
IV.CORL.HHN. ML:1.2 0.000062 0.8 AML other m 2023-05-06T00:58:51.52
IV.CORL.HHE. ML:1.3 0.0000734 0.36 AML other m 2023-05-06T00:58:51.75
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