Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 14-08-2019 and time 18:37:23 (UTC) in region 4 km W San Cataldo (CL)

A magnitude ML 2.2 earthquake occured in region: 4 km W San Cataldo (CL), on

  • 14-08-2019 18:37:23 (UTC)
  • 14-08-2019 20:37:23 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.4990, 13.9440 at 28 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
San Cataldo CL 4 23253 23253
Serradifalco CL 7 6091 29344
Caltanissetta CL 10 63360 92704
Marianopoli CL 12 1906 94610
Montedoro CL 12 1631 96241
Santa Caterina Villarmosa CL 13 5388 101629
Bompensiere CL 15 556 102185
Delia CL 16 4277 106462
Canicattì AG 17 35698 142160
Milena CL 19 3018 145178
Sommatino CL 19 7038 152216
Pietraperzia EN 19 7013 159229
Sutera CL 19 1410 160639
Mussomeli CL 19 10780 171419
Villalba CL 20 1633 173052

Municipalities with at least 50000 inhabitants

An earthquake occurred to
10 Km W of Caltanissetta (63360 inhabitants)
38 Km NE of Agrigento (59770 inhabitants)
55 Km NW of Gela (75827 inhabitants)
75 Km SE of Bagheria (55387 inhabitants)
81 Km NW of Vittoria (63339 inhabitants)
86 Km SE of Palermo (674435 inhabitants)
94 Km NW of Ragusa (73313 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 2.2 2019-08-14
18:37:23		 37.4988 13.9445 28 2019-11-13
14:31:08		 Bollettino Sismico Italiano INGV 73740231
Reviewed
Rev100 		ML 2.1 2019-08-14
18:37:23		 37.4977 13.9457 28 2019-08-14
18:48:13		 Sala Sismica INGV-Roma 71489751
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-08-14 18:37:23 ± 0.17
Latitude 37.4988 ± 0.0108
Longitude 13.9445 ± 0.0102
Depth (km) 28 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 73740231

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1181
Semi-minor axis of confidence ellipse (meter) 321
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 194
Circular confidence region, given by single value of horizontal uncertainty (meter) 1180.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 48
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 29
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.47
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.17541
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 18
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.4
Num. used stations 27
Type of magnitude ML
Reference to an origin 73740231
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-11-08 16:26:28

ML:2.1

Field Value
Value 2.1
Uncertainty 0.4
Num. used stations 25
Type of magnitude ML
Reference to an origin 71489751
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-08-14 18:48:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ISPIC.EHZ. 2019-08-14T18:37:58.00 0.6 undecidable manual S 133 116.3946 54 1.04 32
IV.SSY.HHZ. 2019-08-14T18:37:55.94 0.6 undecidable manual S 110 106.5156 100 1.49 25
IV.CROCE.HHZ. 2019-08-14T18:37:51.80 0.6 undecidable manual S 145 90.4428 102 1.57 25
IV.HLNI.HHZ. 2019-08-14T18:37:48.99 0.6 undecidable manual S 101 83.3499 104 0.6 40
IV.SCIAC.HHZ. 2019-08-14T18:37:46.16 0.1 undecidable manual S 0.06 93
IV.HPAC.HHZ. 2019-08-14T18:37:44.46 0.3 undecidable manual P 132 130.4694 54 0.04 63
IV.ISPIC.EHZ. 2019-08-14T18:37:42.11 0.1 undecidable manual P 133 116.3946 54 -0.55 75
IV.SSY.HHZ. 2019-08-14T18:37:40.44 0.1 undecidable manual P 110 106.5156 100 -0.77 71
IV.MUCR.HHZ. 2019-08-14T18:37:40.89 0.3 undecidable manual P 53 101.4207 101 0.46 61
IV.RAFF.HHZ. 2019-08-14T18:37:39.94 0.6 undecidable manual S 130 47.9187 115 0.52 44
IV.CROCE.HHZ. 2019-08-14T18:37:38.31 0.3 undecidable manual P 145 90.4428 102 -0.46 62
IV.CLTA.HHZ. 2019-08-14T18:37:37.42 0.3 undecidable manual S 178 37.8288 121 0.38 69
IV.HLNI.HHZ. 2019-08-14T18:37:36.74 0.1 undecidable manual P 101 83.3499 104 -0.97 68
IV.SCIAC.HHZ. 2019-08-14T18:37:36.24 0.1 undecidable manual P -0.19 91
IV.CORL.HHZ. 2019-08-14T18:37:36.41 0.1 undecidable manual P 308 71.373 106 0.49 86
IV.ALJA.HHE. 2019-08-14T18:37:35.68 0.6 undecidable manual S 329 32.4453 126 -0.16 50
IV.GIB.HHE. 2019-08-14T18:37:33.61 0.6 undecidable manual P 7 55.0005 112 0.08 48
IV.RESU.HHZ. 2019-08-14T18:37:33.83 0.6 undecidable manual S 31 19.1697 142 0.54 45
IV.CPTP.HHZ. 2019-08-14T18:37:33.13 0.6 undecidable manual S 118 21.6672 139 -0.59 46
IV.FAVR.HHN. 2019-08-14T18:37:32.30 0.6 undecidable manual P 224 35.4423 123 1.44 29
IV.CSLB.HHZ. 2019-08-14T18:37:32.72 0.3 undecidable manual P 12 49.7169 114 -0.06 73
IV.CMDO.HHZ. 2019-08-14T18:37:31.83 0.3 undecidable manual S 250 11.3775 156 -0.39 74
IV.CLTA.HHZ. 2019-08-14T18:37:31.10 0.1 undecidable manual P 178 37.8288 121 -0.06 100
IV.RAFF.HHZ. 2019-08-14T18:37:31.76 0.1 undecidable manual P 130 47.9187 115 -0.78 80
IV.ALJA.HHE. 2019-08-14T18:37:31.15 0.6 undecidable manual P 329 32.4453 126 0.68 43
IV.PETRA.HHE. 2019-08-14T18:37:31.54 0.3 undecidable manual P 22 40.0266 120 0.09 74
IV.CPTP.HHZ. 2019-08-14T18:37:29.67 0.1 undecidable manual P 118 21.6672 139 0.43 95
IV.RESU.HHZ. 2019-08-14T18:37:28.58 0.3 undecidable manual P 31 19.1697 142 -0.41 72
IV.CMDO.HHZ. 2019-08-14T18:37:27.63 0.3 undecidable manual P 250 11.3775 156 -0.74 66
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RESU.HHE. ML:2.2 0.00070825395 0.448 AML other m 2019-08-14T18:37:38.60
IV.CMDO.HHE. ML:1.6 0.00018116462 0.7424 AML other m 2019-08-14T18:37:39.74
IV.RESU.HHN. ML:2.2 0.00066404825 0.5632 AML other m 2019-08-14T18:37:40.30
IV.CPTP.HHE. ML:2.1 0.0005187353999999999 0.9248 AML other m 2019-08-14T18:37:43.16
IV.CPTP.HHN. ML:2.0 0.00043373215 0.4736 AML other m 2019-08-14T18:37:43.65
IV.CSLB.HHE. ML:1.4 0.000050638434999999995 0.4736 AML other m 2019-08-14T18:37:43.55
IV.RAFF.HHE. ML:1.8 0.00016665849999999998 1.7952 AML other m 2019-08-14T18:37:43.03
IV.RAFF.HHN. ML:1.7 0.00010398726 0.1792 AML other m 2019-08-14T18:37:44.52
IV.CSLB.HHN. ML:1.4 0.00005637952 1.5008 AML other m 2019-08-14T18:37:46.07
IV.SCIAC.HHN. ML:1.9 0.00010884315499999999 0.3968 AML other m 2019-08-14T18:37:48.84
IV.HLNI.HHN. ML:2.4 0.00030185055 0.192 AML other m 2019-08-14T18:37:49.43
IV.SCIAC.HHE. ML:1.4 0.00004214098 0.3328 AML other m 2019-08-14T18:37:49.64
IV.HLNI.HHE. ML:2.1 0.00013791951 0.2048 AML other m 2019-08-14T18:37:49.73
IV.CROCE.HNN. ML:2.3 0.00021210030000000003 1.6288 AML other m 2019-08-14T18:37:51.99
IV.CROCE.HNE. ML:2.3 0.0001933148 0.2048 AML other m 2019-08-14T18:37:52.56
IV.CROCE.HHE. ML:2.1 0.000148211535 0.192 AML other m 2019-08-14T18:37:52.57
IV.CROCE.HHN. ML:2.2 0.00016350789999999997 0.3584 AML other m 2019-08-14T18:37:53.71
IV.SSY.HHE. ML:2.8 0.000599563 0.2688 AML other m 2019-08-14T18:37:57.11
IV.ISPIC.EHE. ML:2.7 0.0003983468 1.6672 AML other m 2019-08-14T18:37:58.98
IV.ISPIC.HNE. ML:2.7 0.0003840386 1.6672 AML other m 2019-08-14T18:37:58.98
IV.ISPIC.EHN. ML:2.6 0.00029957215000000006 0.4096 AML other m 2019-08-14T18:37:59.23
IV.ISPIC.HNN. ML:2.6 0.00030668185 0.3968 AML other m 2019-08-14T18:37:59.23
IV.MUCR.HHN. ML:2.0 0.00009284951 0.4224 AML other m 2019-08-14T18:37:59.56
IV.SSY.HHN. ML:3.3 0.0015891269999999999 0.2432 AML other m 2019-08-14T18:38:00.40
IV.MUCR.HHE. ML:1.8 0.00005497088 0.3584 AML other m 2019-08-14T18:38:00.54
IV.HPAC.HHE. ML:2.8 0.00041595715 1.7568 AML other m 2019-08-14T18:38:05.12
IV.HPAC.HHN. ML:2.9 0.0005762154000000001 0.384 AML other m 2019-08-14T18:38:05.35
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
Waveforms Seismic signals in miniseed + resp format Download