Earthquake with magnitude of ML 2.0 on date 14-09-2020 and time 03:51:40 (UTC) in region 3 km NE Salemi (TP)

A magnitude ML 2.0 earthquake occured in region: 3 km NE Salemi (TP), on

  • 14-09-2020 03:51:40 (UTC)
  • 14-09-2020 05:51:40 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.8360, 12.8230 at 16 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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
Salemi TP 3 10794 10794
Vita TP 4 2056 12850
Gibellina TP 5 4115 16965
Santa Ninfa TP 9 5043 22008
Calatafimi-Segesta TP 10 6712 28720
Partanna TP 14 10607 39327
Castelvetrano TP 18 31806 71133
Salaparuta TP 18 1696 72829

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km NE of Mazara del Vallo (51718 inhabitants)
34 Km SE of Trapani (68759 inhabitants)
34 Km E of Marsala (83194 inhabitants)
57 Km SW of Palermo (674435 inhabitants)
66 Km W of Bagheria (55387 inhabitants)
89 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
Bulletin
Rev1000
ML 2.0 2020-09-14
03:51:40
37.8362 12.823 16 2021-02-26
14:56:15
Bollettino Sismico Italiano INGV 86350521
Reviewed
Rev100
ML 2.1 2020-09-14
03:51:40
37.8362 12.8247 17 2020-09-14
04:21:59
Sala Sismica INGV-Roma 82890891
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-09-14 03:51:40 ± 0.23
Latitude 37.8362 ± 0.0081
Longitude 12.8230 ± 0.0102
Depth (km) 16 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 86350521

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1029
Semi-minor axis of confidence ellipse (meter) 567
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 217
Circular confidence region, given by single value of horizontal uncertainty (meter) 1030.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 86
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.09083
Epicentral distance of station farthest from the epicenter (degree) 0.40739
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.4
Num. used stations 14
Type of magnitude ML
Reference to an origin 86350521
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-02-15 09:44:59

ML:2.1

Field Value
Value 2.1
Uncertainty 0.4
Num. used stations 14
Type of magnitude ML
Reference to an origin 82890891
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-09-14 04:21:59
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LEVAN.EHE. 2020-09-14T03:51:55.47 0.6 undecidable manual S 293 45.2214 99 0.58 42
IV.SCIAC.HHZ. 2020-09-14T03:51:54.71 0.3 undecidable manual S 145 43.1235 100 0.38 67
IV.MARS.EHZ. 2020-09-14T03:51:49.76 0.3 undecidable manual S 248 24.4533 111 0.25 72
IV.MMGO.HHE. 2020-09-14T03:51:48.62 0.3 undecidable manual S 145 23.5542 112 -0.68 63
IV.SCIAC.HHZ. 2020-09-14T03:51:48.05 0.6 undecidable manual P 145 43.1235 100 -0.34 45
IV.CRJA.HHZ. 2020-09-14T03:51:48.39 0.6 undecidable manual S 103 16.3725 125 0.79 40
IV.LEVAN.EHE. 2020-09-14T03:51:48.92 0.6 undecidable manual P 293 45.2214 99 0.22 46
IV.MBFT.HHN. 2020-09-14T03:51:47.22 0.6 undecidable manual S 43 16.7721 124 -0.46 46
IV.CAVT.HHE. 2020-09-14T03:51:47.90 0.3 undecidable manual S 199 18.3705 121 -0.16 73
IV.MFNL.HHZ. 2020-09-14T03:51:46.61 0.3 undecidable manual S 120 10.0788 142 0.24 73
IV.ERC.EHN. 2020-09-14T03:51:46.09 0.3 undecidable manual P 317 30.4473 106 -0.39 68
IV.MMGO.HHE. 2020-09-14T03:51:45.21 0.1 positive manual P 145 23.5542 112 -0.27 95
IV.MARS.EHZ. 2020-09-14T03:51:45.53 0.1 positive manual P 248 24.4533 111 -0.07 98
IV.CRJA.HHZ. 2020-09-14T03:51:44.86 0.1 positive manual P 103 16.3725 125 0.36 94
IV.MBFT.HHN. 2020-09-14T03:51:44.46 0.1 positive manual P 43 16.7721 124 -0.09 100
IV.CAVT.HHE. 2020-09-14T03:51:44.59 0.1 undecidable manual P 199 18.3705 121 -0.18 97
IV.MFNL.HHZ. 2020-09-14T03:51:43.91 0.1 positive manual P 120 10.0788 142 0.12 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MFNL.HHN. ML:2.4 0.0024198525000000003 0.0992 AML other m 2020-09-14T03:51:46.77
IV.MFNL.HHE. ML:2.7 0.0042507495 0.1984 AML other m 2020-09-14T03:51:46.87
IV.MBFT.HHE. ML:1.8 0.0004007849 0.2592 AML other m 2020-09-14T03:51:47.53
IV.CAVT.HHN. ML:2.8 0.0039874215 0.1024 AML other m 2020-09-14T03:51:48.37
IV.CAVT.HHE. ML:2.8 0.0037968884999999997 0.2176 AML other m 2020-09-14T03:51:48.32
IV.MBFT.HHN. ML:1.7 0.00035896945000000004 0.16 AML other m 2020-09-14T03:51:48.26
IV.CRJA.HHN. ML:2.1 0.0009762301 0.2208 AML other m 2020-09-14T03:51:48.63
IV.CRJA.HHE. ML:2.0 0.0006858646500000001 0.2592 AML other m 2020-09-14T03:51:48.62
IV.MARS.EHN. ML:2.4 0.0014373005 0.1984 AML other m 2020-09-14T03:51:49.94
IV.MARS.EHE. ML:2.3 0.0010704261000000002 0.2016 AML other m 2020-09-14T03:51:50.20
IV.ERC.EHE. ML:1.4 0.00011550235 1.12 AML other m 2020-09-14T03:51:52.24
IV.ERC.EHN. ML:1.4 0.00010953978000000001 0.3008 AML other m 2020-09-14T03:51:53.21
IV.SCIAC.HHE. ML:1.6 0.0001126147 0.6208 AML other m 2020-09-14T03:51:55.60
IV.SCIAC.HHN. ML:1.6 0.00012800905000000002 1.8208 AML other m 2020-09-14T03:52:00.01
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
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