Earthquake with magnitude of ML 1.5 on date 23-02-2020 and time 14:36:25 (Italy) in region 4 km SE Scillato (PA)

A magnitude ML 1.5 earthquake occured in region: 4 km SE Scillato (PA), on

  • 23-02-2020 13:36:25 (UTC)
  • 23-02-2020 14:36:25 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.8310, 13.9450 at 11 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 5 613 613
Caltavuturo PA 5 4017 4630
Polizzi Generosa PA 5 3407 8037
Sclafani Bagni PA 8 426 8463
Castellana Sicula PA 10 3411 11874
Collesano PA 10 4054 15928
Petralia Sottana PA 13 2821 18749
Valledolmo PA 14 3594 22343
Isnello PA 14 1589 23932
Cerda PA 14 5330 29262
Blufi PA 15 1029 30291
Petralia Soprana PA 15 3360 33651
Aliminusa PA 15 1236 34887
Gratteri PA 16 963 35850
Montemaggiore Belsito PA 16 3365 39215
Bompietro PA 16 1401 40616
Castelbuono PA 17 8943 49559
Resuttano CL 18 2038 51597
Sciara PA 19 2822 54419
Geraci Siculo PA 19 1945 56364
Campofelice di Roccella PA 19 7537 63901
Lascari PA 19 3588 67489
Vallelunga Pratameno CL 19 3461 70950

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km N of Caltanissetta (63360 inhabitants)
47 Km SE of Bagheria (55387 inhabitants)
60 Km SE of Palermo (674435 inhabitants)
66 Km NE of Agrigento (59770 inhabitants)
89 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 1.5 2020-02-23
13:36:25
37.8307 13.9452 11 2020-07-18
21:08:32
Bollettino Sismico Italiano INGV 78191701
Reviewed
Rev100
ML 1.6 2020-02-23
13:36:25
37.8315 13.9487 20 2020-02-23
13:49:29
Sala Sismica INGV-Roma 76753911
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-23 13:36:25 ± 0.22
Latitude 37.8307 ± 0.0081
Longitude 13.9452 ± 0.0125
Depth (km) 11 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 78191701

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 964
Semi-minor axis of confidence ellipse (meter) 720
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 317
Circular confidence region, given by single value of horizontal uncertainty (meter) 960.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 88
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.38
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.41729
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.1
Num. used stations 8
Type of magnitude ML
Reference to an origin 76753911
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-23 13:49:29

ML:1.5

Field Value
Value 1.5
Uncertainty 0.1
Num. used stations 8
Type of magnitude ML
Reference to an origin 78191701
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-06-06 02:24:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EMCN.HNZ. 2020-02-23T13:36:57.72 3.0 undecidable manual Sn -0.01 0
IV.RESU.HHZ. 2020-02-23T13:36:35.25 0.6 undecidable manual S 154 22.6551 50 0.86 37
IV.PLLN.EHZ. 2020-02-23T13:36:35.52 0.3 undecidable manual S 44 24.9528 50 0.5 70
IV.GIB.HHZ. 2020-02-23T13:36:34.16 0.3 undecidable manual S 22 19.0698 119 0.76 60
IV.SOLUN.HHE. 2020-02-23T13:36:34.72 0.3 undecidable manual P 309 46.3203 50 0.31 70
IV.ALJA.HHZ. 2020-02-23T13:36:33.52 0.6 undecidable manual S 242 19.0698 119 0.12 47
IV.PETRA.HHZ. 2020-02-23T13:36:32.27 0.3 undecidable manual S 89 14.874 126 0.1 72
IV.CSLB.HHZ. 2020-02-23T13:36:32.26 0.1 undecidable manual S 40 15.4734 125 -0.07 100
IV.RESU.HHZ. 2020-02-23T13:36:30.96 0.3 undecidable manual P 154 22.6551 50 0.2 71
IV.PLLN.EHZ. 2020-02-23T13:36:30.96 0.1 undecidable manual P 44 24.9528 50 -0.17 92
IV.GIB.HHZ. 2020-02-23T13:36:30.14 0.1 undecidable manual P 22 19.0698 119 -0.05 98
IV.CSLB.HHZ. 2020-02-23T13:36:29.13 0.1 positive manual P 40 15.4734 125 -0.44 92
IV.ALJA.HHZ. 2020-02-23T13:36:29.97 0.1 undecidable manual P 242 19.0698 119 -0.22 97
IV.PETRA.HHZ. 2020-02-23T13:36:29.04 0.1 undecidable manual P 89 14.874 126 -0.44 93
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GIB.HHN. ML:1.6 0.0003145 1.64 AML other m 2020-02-23T13:36:34.86
IV.GIB.HHE. ML:1.4 0.000202 0.34 AML other m 2020-02-23T13:36:35.61
IV.PETRA.HHE. ML:1.6 0.0004075 0.54 AML other m 2020-02-23T13:36:35.35
IV.RESU.HHN. ML:1.5 0.00020250000000000002 0.32 AML other m 2020-02-23T13:36:36.29
IV.ALJA.HHN. ML:1.3 0.00015588885 0.4352 AML other m 2020-02-23T13:36:36.55
IV.RESU.HHE. ML:1.5 0.00018449999999999999 0.56 AML other m 2020-02-23T13:36:37.06
IV.PETRA.HHN. ML:1.6 0.00036199999999999996 0.38 AML other m 2020-02-23T13:36:38.23
IV.PLLN.EHN. ML:1.4 0.00016567779999999998 0.4992 AML other m 2020-02-23T13:36:40.42
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