Earthquake with magnitude of ML 1.3 on date 06-12-2019 and time 13:38:40 (Italy) in region 5 km SE Castelvetrano (TP)

A magnitude ML 1.3 earthquake occured in region: 5 km SE Castelvetrano (TP), on

  • 06-12-2019 12:38:40 (UTC)
  • 06-12-2019 13:38:40 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.6570, 12.8380 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
Castelvetrano TP 5 31806 31806
Campobello di Mazara TP 9 11956 43762
Partanna TP 9 10607 54369
Menfi AG 13 12592 66961
Santa Ninfa TP 14 5043 72004
Montevago AG 14 3006 75010
Santa Margherita di Belice AG 17 6363 81373
Gibellina TP 17 4115 85488
Salemi TP 18 10794 96282
Salaparuta TP 19 1696 97978

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km E of Mazara del Vallo (51718 inhabitants)
39 Km E of Marsala (83194 inhabitants)
49 Km SE of Trapani (68759 inhabitants)
69 Km SW of Palermo (674435 inhabitants)
76 Km SW of Bagheria (55387 inhabitants)
76 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 1.3 2019-12-06
12:38:40
37.6573 12.8383 11 2019-12-06
16:40:28
Sala Sismica INGV-Roma 74382791
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-12-06 12:38:40 ± 0.11
Latitude 37.6573 ± 0.0072
Longitude 12.8383 ± 0.0080
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 74382791

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 800
Semi-minor axis of confidence ellipse (meter) 625
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 202
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) 164
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.06925
Epicentral distance of station farthest from the epicenter (degree) 0.43707
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:1.3

Field Value
Value 1.3
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 74382791
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-12-06 16:40:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MBFT.HHZ. 2019-12-06T12:38:51.85 0.3 undecidable manual S 17 33.5442 50 -0.26 70
IV.CORL.HHZ. 2019-12-06T12:38:50.07 0.3 undecidable manual P 57 48.5181 50 0.49 65
IV.SCIAC.HHZ. 2019-12-06T12:38:50.64 0.3 undecidable manual S 124 27.9498 50 0.03 74
IV.MBFT.HHZ. 2019-12-06T12:38:47.51 0.3 undecidable manual P 17 33.5442 50 0.24 70
IV.MFNL.HHZ. 2019-12-06T12:38:47.41 0.3 undecidable manual S 26 16.5723 123 -0.12 74
IV.SCIAC.HHZ. 2019-12-06T12:38:46.23 0.3 undecidable manual P 124 27.9498 50 -0.17 72
IV.MARS.EHZ. 2019-12-06T12:38:46.18 0.3 undecidable manual P 294 26.2515 50 0.04 74
IV.MMGO.HHZ. 2019-12-06T12:38:46.15 0.3 undecidable manual S 88 12.1767 132 -0.18 74
IV.MFNL.HHZ. 2019-12-06T12:38:45.11 0.3 undecidable manual P 26 16.5723 123 0.48 69
IV.CAVT.HHZ. 2019-12-06T12:38:45.26 0.3 undecidable manual S 288 7.6812 145 -0.02 77
IV.CRJA.HHZ. 2019-12-06T12:38:44.98 0.3 undecidable manual P 42 21.6672 50 -0.45 69
IV.MMGO.HHZ. 2019-12-06T12:38:44.07 0.3 undecidable manual P 88 12.1767 132 0.14 74
IV.CAVT.HHZ. 2019-12-06T12:38:43.19 0.1 undecidable manual P 288 7.6812 145 -0.14 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SCIAC.HHE. ML:1.4 0.00013800000000000002 0.64 AML other m 2019-12-06T12:38:51.49
IV.SCIAC.HHN. ML:1.4 0.0001175 1 AML other m 2019-12-06T12:38:52.17
IV.MFNL.HHE. ML:1.2 0.0001262238 0.16 AML other m 2019-12-06T12:38:48.31
IV.MFNL.HHN. ML:1.2 0.000118561985 0.1984 AML other m 2019-12-06T12:38:48.96
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