Earthquake with magnitude of ML 1.1 on date 17-02-2020 and time 04:49:54 (Italy) in region 4 km SE Scillato (PA)

A magnitude ML 1.1 earthquake occured in region: 4 km SE Scillato (PA), on

  • 17-02-2020 03:49:54 (UTC)
  • 17-02-2020 04:49:54 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.83, 13.94 at 10 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
Caltavuturo PA 5 4017 4630
Polizzi Generosa PA 6 3407 8037
Sclafani Bagni PA 8 426 8463
Collesano PA 10 4054 12517
Castellana Sicula PA 11 3411 15928
Cerda PA 14 5330 21258
Isnello PA 14 1589 22847
Valledolmo PA 14 3594 26441
Petralia Sottana PA 14 2821 29262
Aliminusa PA 14 1236 30498
Blufi PA 15 1029 31527
Gratteri PA 15 963 32490
Petralia Soprana PA 15 3360 35850
Montemaggiore Belsito PA 16 3365 39215
Bompietro PA 17 1401 40616
Castelbuono PA 17 8943 49559
Sciara PA 18 2822 52381
Campofelice di Roccella PA 18 7537 59918
Lascari PA 19 3588 63506
Resuttano CL 19 2038 65544
Geraci Siculo PA 19 1945 67489
Vallelunga Pratameno CL 20 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)
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 1.1 2020-02-17
03:49:54
37.83 13.94 10 2020-07-18
21:08:41
Bollettino Sismico Italiano INGV 80290141
Reviewed
Rev100
ML 1.1 2020-02-17
03:49:54
37.83 13.94 11 2020-02-17
04:07:14
Sala Sismica INGV-Roma 76584431
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-17 03:49:54 ± 0.07
Latitude 37.83 ± 0.00
Longitude 13.94 ± 0.00
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 80290141

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 352
Semi-minor axis of confidence ellipse (meter) 321
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 325
Circular confidence region, given by single value of horizontal uncertainty (meter) 350
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 162
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.11
Epicentral distance of station closest to the epicenter (degree) 0.1376
Epicentral distance of station farthest from the epicenter (degree) 0.22483
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 80290141
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-06-18 16:29:42

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 76584431
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-17 04:07:14
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.ALJA.HHZ. 2020-02-17T03:50:01.55 0.3 undecidable manual S 240 0.1709 118 -0.08 74
IV.PETRA.HHZ. 2020-02-17T03:50:00.53 0.6 undecidable manual S 90 0.1376 124 0 51
IV.CSLB.HHZ. 2020-02-17T03:50:00.68 0.3 undecidable manual S 42 0.1385 124 0.12 74
IV.RESU.HHZ. 2020-02-17T03:49:59.32 0.1 undecidable manual P 154 0.2086 114 0.09 98
IV.PLLN.EHZ. 2020-02-17T03:49:59.55 0.3 undecidable manual P 45 0.2248 50 0 75
IV.ALJA.HHZ. 2020-02-17T03:49:58.55 0.1 undecidable manual P 240 0.1709 118 0.08 99
IV.PETRA.HHZ. 2020-02-17T03:49:57.71 0.1 positive manual P 90 0.1376 124 -0.13 99
IV.CSLB.HHZ. 2020-02-17T03:49:57.79 0.1 undecidable manual P 42 0.1385 124 -0.07 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CSLB.HHE. ML:0.8 6.695E-5 0.94 AML other m 2020-02-17T03:50:01.88
IV.CSLB.HHN. ML:0.8 6.285E-5 0.9 AML other m 2020-02-17T03:50:02.04
IV.PETRA.HHE. ML:1.4 0.0002535 0.18 AML other m 2020-02-17T03:50:03.01
IV.PETRA.HHN. ML:1.4 0.000231 1.04 AML other m 2020-02-17T03:50:04.55
IV.RESU.HHE. ML:0.9 5.53E-5 0.56 AML other m 2020-02-17T03:50:06.42
IV.RESU.HHN. ML:1.3 0.0001265 1.36 AML other m 2020-02-17T03:50:09.99
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