Earthquake with magnitude of ML 2.0 on date 22-07-2019 and time 04:15:07 (UTC) in region 4 km N Sciacca (AG)

A magnitude ML 2.0 earthquake occured in region: 4 km N Sciacca (AG), on

  • 22-07-2019 04:15:07 (UTC)
  • 22-07-2019 06:15:07 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.5420, 13.0790 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
Sciacca AG 4 40928 40928
Menfi AG 12 12592 53520
Sambuca di Sicilia AG 12 5877 59397
Caltabellotta AG 13 3681 63078
Ribera AG 17 19232 82310
Santa Margherita di Belice AG 18 6363 88673
Calamonaci AG 19 1339 90012
Villafranca Sicula AG 19 1410 91422
Montevago AG 20 3006 94428
Burgio AG 20 2672 97100

Municipalities with at least 50000 inhabitants

An earthquake occurred to
45 Km E of Mazara del Vallo (51718 inhabitants)
52 Km NW of Agrigento (59770 inhabitants)
64 Km E of Marsala (83194 inhabitants)
69 Km SW of Palermo (674435 inhabitants)
71 Km SW of Bagheria (55387 inhabitants)
73 Km SE of Trapani (68759 inhabitants)
87 Km W of Caltanissetta (63360 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 2019-07-22
04:15:07
37.5422 13.0793 10 2019-11-13
14:30:56
Bollettino Sismico Italiano INGV 71135541
Reviewed
Rev100
ML 2.0 2019-07-22
04:15:08
37.5798 13.0263 10 2019-07-22
04:24:16
Sala Sismica INGV-Roma 70786261
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-07-22 04:15:07 ± 0.18
Latitude 37.5422 ± 0.0099
Longitude 13.0793 ± 0.0102
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 71135541

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1260
Semi-minor axis of confidence ellipse (meter) 240
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 34
Circular confidence region, given by single value of horizontal uncertainty (meter) 1260.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 178
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) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.14479
Epicentral distance of station farthest from the epicenter (degree) 0.57197
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 0.2
Num. used stations 9
Type of magnitude ML
Reference to an origin 71135541
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-09-20 15:11:59

ML:2.0

Field Value
Value 2.0
Uncertainty 0.1
Num. used stations 8
Type of magnitude ML
Reference to an origin 70786261
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-07-22 04:24:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FAVR.HHN. 2019-07-22T04:15:25.50 0.3 undecidable manual S 120 60.0954 50 -0.46 63
IV.MARS.EHE. 2019-07-22T04:15:23.59 0.6 undecidable manual S 298 50.9157 50 0.09 46
IV.MBFT.HHZ. 2019-07-22T04:15:21.49 0.6 undecidable manual S 346 46.1205 50 -0.75 39
IV.CORL.HHZ. 2019-07-22T04:15:21.90 1.0 undecidable manual S 27 43.7229 50 0.31 22
IV.CAVT.HHZ. 2019-07-22T04:15:18.20 0.3 undecidable manual S 298 32.2455 50 -0.32 69
IV.ALJA.HHZ. 2019-07-22T04:15:18.47 0.3 undecidable manual P 69 63.492 50 -0.06 68
IV.FAVR.HHN. 2019-07-22T04:15:18.20 0.6 undecidable manual P 120 60.0954 50 0.2 45
IV.CRJA.HHZ. 2019-07-22T04:15:17.97 0.6 undecidable manual S 347 29.5482 50 0.17 47
IV.MFNL.HHZ. 2019-07-22T04:15:17.90 0.6 undecidable manual S 334 30.8469 50 -0.25 47
IV.MARS.EHE. 2019-07-22T04:15:16.94 1.0 undecidable manual P 298 50.9157 50 0.35 22
IV.MBFT.HHZ. 2019-07-22T04:15:15.76 0.1 undecidable manual P 346 46.1205 50 -0.09 93
IV.CORL.HHZ. 2019-07-22T04:15:15.83 1.0 undecidable manual P 27 43.7229 50 0.35 22
IV.CRJA.HHZ. 2019-07-22T04:15:13.72 0.1 undecidable manual P 347 29.5482 50 0.43 90
IV.MFNL.HHZ. 2019-07-22T04:15:13.84 0.1 undecidable manual P 334 30.8469 50 0.35 91
IV.CAVT.HHZ. 2019-07-22T04:15:13.89 0.3 undecidable manual P 298 32.2455 50 0.18 71
IV.MMGO.HHE. 2019-07-22T04:15:13.09 0.6 undecidable manual S 326 16.0728 121 -0.54 45
IV.MMGO.HHE. 2019-07-22T04:15:10.90 0.1 undecidable manual P 326 16.0728 121 0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CAVT.HHE. ML:2.1 0.0006060043500000001 0.1408 AML other m 2019-07-22T04:15:18.33
IV.CRJA.HHN. ML:2.1 0.0006435735499999999 0.1792 AML other m 2019-07-22T04:15:18.45
IV.CRJA.HHE. ML:2.3 0.00099612 0.1792 AML other m 2019-07-22T04:15:18.40
IV.MBFT.HHE. ML:1.9 0.00024018685 0.2592 AML other m 2019-07-22T04:15:22.24
IV.CAVT.HHN. ML:2.0 0.00041544015 0.3008 AML other m 2019-07-22T04:15:22.41
IV.MBFT.HHN. ML:2.0 0.00026941925 0.4576 AML other m 2019-07-22T04:15:22.64
IV.MFNL.HHE. ML:2.1 0.000641007 0.4224 AML other m 2019-07-22T04:15:22.86
IV.MFNL.HHN. ML:1.9 0.0004051783 0.4992 AML other m 2019-07-22T04:15:25.15
IV.MBFT.HNN. ML:1.6 0.00013130365999999998 1.2576 AML other m 2019-07-22T04:15:33.20
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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