Earthquake with magnitude of ML 1.7 on date 20-02-2020 and time 06:16:03 (Italy) in region 4 km SE Scillato (PA)

A magnitude ML 1.7 earthquake occured in region: 4 km SE Scillato (PA), on

  • 20-02-2020 05:16:03 (UTC)
  • 20-02-2020 06:16:03 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.84, 13.95 at 8 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
Scillato PA 4 613 613
Polizzi Generosa PA 5 3407 4020
Caltavuturo PA 5 4017 8037
Sclafani Bagni PA 8 426 8463
Collesano PA 9 4054 12517
Castellana Sicula PA 11 3411 15928
Isnello PA 13 1589 17517
Petralia Sottana PA 13 2821 20338
Cerda PA 14 5330 25668
Gratteri PA 15 963 26631
Valledolmo PA 15 3594 30225
Petralia Soprana PA 15 3360 33585
Blufi PA 15 1029 34614
Aliminusa PA 15 1236 35850
Montemaggiore Belsito PA 16 3365 39215
Castelbuono PA 16 8943 48158
Bompietro PA 17 1401 49559
Campofelice di Roccella PA 18 7537 57096
Lascari PA 18 3588 60684
Geraci Siculo PA 18 1945 62629
Sciara PA 18 2822 65451
Resuttano CL 19 2038 67489

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km N of Caltanissetta (63360 inhabitants)
47 Km SE of Bagheria (55387 inhabitants)
60 Km SE of Palermo (674435 inhabitants)
67 Km NE of Agrigento (59770 inhabitants)
90 Km N of Gela (75827 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 1.7 2020-02-20
05:16:03
37.84 13.95 8 2020-07-18
21:08:26
Bollettino Sismico Italiano INGV 77382641
Reviewed
Rev100
ML 1.8 2020-02-20
05:16:02
37.82 13.92 10 2020-02-20
05:38:25
Sala Sismica INGV-Roma 76663101
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-20 05:16:03 ± 0.12
Latitude 37.84 ± 0.01
Longitude 13.95 ± 0.01
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 77382641

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1023
Semi-minor axis of confidence ellipse (meter) 585
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 86
Circular confidence region, given by single value of horizontal uncertainty (meter) 1020
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 74
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
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) 0.1304
Epicentral distance of station farthest from the epicenter (degree) 0.76352
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 77382641
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-03-19 17:19:32

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 76663101
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-20 05:38:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.IACL.HHZ. 2020-02-20T05:16:18.06 1.0 undecidable manual P 25 0.7635 50 0.07 23
MN.CLTB.HHZ. 2020-02-20T05:16:16.28 0.6 undecidable manual P 246 0.6349 50 0.49 42
IV.MPG.HHE. 2020-02-20T05:16:15.04 1.0 undecidable manual P 305 0.5648 0.45 22
IV.MSFR.HHZ. 2020-02-20T05:16:14.50 0.6 undecidable manual P 69 0.5432 50 0.28 45
IV.CORL.HHZ. 2020-02-20T05:16:13.28 0.6 undecidable manual P 276 0.5117 50 -0.4 44
IV.RESU.HHZ. 2020-02-20T05:16:12.18 0.6 undecidable manual S 156 0.2104 109 0.47 46
IV.GALF.HNZ. 2020-02-20T05:16:12.71 1.0 undecidable manual P 105 0.5045 50 -0.85 19
IV.PLLN.EHZ. 2020-02-20T05:16:12.40 0.6 undecidable manual S 45 0.2167 109 0.44 47
IV.CMDO.HHE. 2020-02-20T05:16:11.94 1.0 undecidable manual P 195 0.3876 50 0.38 23
IV.SOLUN.HHE. 2020-02-20T05:16:11.65 1.0 undecidable manual P 308 0.4137 50 -0.36 23
IV.GIB.HHZ. 2020-02-20T05:16:10.30 0.6 undecidable manual S 22 0.1628 114 0.28 49
IV.PETRA.HHZ. 2020-02-20T05:16:09.10 0.3 undecidable manual S 92 0.1313 119 0.17 75
IV.CSLB.HHZ. 2020-02-20T05:16:08.80 0.6 undecidable manual S 41 0.1304 119 -0.11 51
IV.PLLN.EHZ. 2020-02-20T05:16:08.02 0.3 undecidable manual P 45 0.2167 109 -0.21 73
IV.RESU.HHZ. 2020-02-20T05:16:07.85 0.3 undecidable manual P 156 0.2104 109 -0.24 73
IV.GIB.HHZ. 2020-02-20T05:16:07.27 0.1 undecidable manual P 22 0.1628 114 0.16 100
IV.CSLB.HHZ. 2020-02-20T05:16:06.21 0.1 positive manual P 41 0.1304 119 -0.26 98
IV.PETRA.HHZ. 2020-02-20T05:16:06.15 0.1 positive manual P 92 0.1313 119 -0.33 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PETRA.HHN. ML:1.8 0.0006678145 0.96 AML other m 2020-02-20T05:16:09.12
IV.PETRA.HHE. ML:1.8 0.00063537675 0.5792 AML other m 2020-02-20T05:16:09.53
IV.CSLB.HHN. ML:1.5 0.00033279755 0.24 AML other m 2020-02-20T05:16:11.79
IV.CSLB.HHE. ML:1.4 0.0002954611 0.3424 AML other m 2020-02-20T05:16:11.71
IV.PLLN.EHE. ML:1.6 0.00027994445 1.2576 AML other m 2020-02-20T05:16:13.20
IV.GIB.HHE. ML:1.8 0.00055216305 0.3808 AML other m 2020-02-20T05:16:13.39
IV.PLLN.EHN. ML:1.8 0.00040581515 1.0176 AML other m 2020-02-20T05:16:14.91
IV.RESU.HHE. ML:1.7 0.00031182295 0.2976 AML other m 2020-02-20T05:16:15.48
IV.GIB.HHN. ML:2 0.0007782018 1.4976 AML other m 2020-02-20T05:16:16.88
IV.RESU.HHN. ML:1.9 0.0005601018 0.6624 AML other m 2020-02-20T05:16:17.76
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