Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 04-06-2019 and time 04:42:36 (Italy) in region 3 km W Alimena (PA)

A magnitude ML 1.4 earthquake occured in region: 3 km W Alimena (PA), on

  • 04-06-2019 02:42:36 (UTC)
  • 04-06-2019 04:42:36 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.6820, 14.0820 at 25 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
Alimena PA 3 2032 2032
Resuttano CL 4 2038 4070
Bompietro PA 8 1401 5471
Blufi PA 8 1029 6500
Santa Caterina Villarmosa CL 11 5388 11888
Castellana Sicula PA 12 3411 15299
Villarosa EN 13 4937 20236
Petralia Soprana PA 13 3360 23596
Petralia Sottana PA 14 2821 26417
Polizzi Generosa PA 16 3407 29824
Gangi PA 17 6811 36635
Marianopoli CL 17 1906 38541
Calascibetta EN 20 4528 43069

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km N of Caltanissetta (63360 inhabitants)
60 Km NE of Agrigento (59770 inhabitants)
67 Km SE of Bagheria (55387 inhabitants)
70 Km N of Gela (75827 inhabitants)
80 Km SE of Palermo (674435 inhabitants)
91 Km NW of Vittoria (63339 inhabitants)
91 Km W of Catania (314555 inhabitants)
96 Km W of Acireale (52622 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 1.4 2019-06-04
02:42:36		 37.6817 14.0823 25 2019-11-13
14:30:57		 Bollettino Sismico Italiano INGV 71267261
Reviewed
Rev100 		ML 1.6 2019-06-04
02:42:34		 37.6622 14.0213 40 2019-06-04
02:51:17		 Sala Sismica INGV-Roma 69187351
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-06-04 02:42:36 ± 0.14
Latitude 37.6817 ± 0.0072
Longitude 14.0823 ± 0.0102
Depth (km) 25 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 71267261

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 799
Semi-minor axis of confidence ellipse (meter) 575
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 94
Circular confidence region, given by single value of horizontal uncertainty (meter) 800.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 62
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.04047
Epicentral distance of station farthest from the epicenter (degree) 0.59715
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 13
Type of magnitude ML
Reference to an origin 71267261
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-08-08 09:27:31

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 69187351
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-06-04 02:51:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PLLN.EHZ. 2019-06-04T02:42:49.24 0.6 undecidable manual S 9 34.9428 119 0.42 45
IV.SOLUN.HHE. 2019-06-04T02:42:48.56 0.3 undecidable manual P 314 66.2781 104 0.61 62
IV.ALJA.HHZ. 2019-06-04T02:42:47.37 0.6 undecidable manual S 285 29.748 124 -0.28 46
IV.FAVR.HHN. 2019-06-04T02:42:47.08 0.3 undecidable manual P 219 58.7967 106 0.24 68
IV.CSLB.HHZ. 2019-06-04T02:42:47.40 0.6 undecidable manual S 356 28.4493 125 0.04 50
IV.MSFR.HHZ. 2019-06-04T02:42:46.50 0.3 undecidable manual P 49 59.2962 106 -0.41 65
IV.PETRA.HHZ. 2019-06-04T02:42:45.16 0.6 undecidable manual S 10 17.0718 141 0.03 50
IV.RESU.HHZ. 2019-06-04T02:42:44.10 0.6 undecidable manual S 210 4.4955 169 0.42 47
IV.GALF.HHZ. 2019-06-04T02:42:44.73 0.6 undecidable manual P 86 42.624 113 0.24 46
MN.VAE.HHZ. 2019-06-04T02:42:43.48 0.6 undecidable manual P 135 33.5442 120 0.24 47
IV.PLLN.EHZ. 2019-06-04T02:42:43.13 0.3 undecidable manual P 9 34.9428 119 -0.29 69
IV.CMDO.HHZ. 2019-06-04T02:42:43.17 0.6 undecidable manual P 223 33.2445 120 -0.03 49
IV.GIB.HHE. 2019-06-04T02:42:43.38 0.6 undecidable manual P 352 34.5432 119 0 49
IV.CAGR.HHE. 2019-06-04T02:42:43.49 1.0 undecidable manual P 100 37.2294 117 -0.26 24
IV.CSLB.HHZ. 2019-06-04T02:42:42.65 0.3 undecidable manual P 356 28.4493 125 0.07 74
IV.ALJA.HHZ. 2019-06-04T02:42:42.65 0.3 undecidable manual P 285 29.748 124 -0.1 72
IV.CPTP.HHZ. 2019-06-04T02:42:42.88 0.1 undecidable manual P 167 31.2465 122 -0.06 99
IV.PETRA.HHZ. 2019-06-04T02:42:41.21 0.1 undecidable manual P 10 17.0718 141 -0.08 100
IV.RESU.HHZ. 2019-06-04T02:42:40.14 0.1 undecidable manual P 210 4.4955 169 -0.31 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RESU.HHE. ML:1.6 0.00024288994999999998 0.36 AML other m 2019-06-04T02:42:47.14
IV.RESU.HHN. ML:1.5 0.00021590585 0.4992 AML other m 2019-06-04T02:42:50.26
IV.PETRA.HHN. ML:1.3 0.00009738647 0.3792 AML other m 2019-06-04T02:42:50.42
IV.CSLB.HHN. ML:1.1 0.000043712929999999995 0.48 AML other m 2019-06-04T02:42:51.30
IV.PLLN.EHE. ML:1.3 0.00006927292000000001 0.68 AML other m 2019-06-04T02:42:51.68
IV.CSLB.HHE. ML:0.9 0.000029450104999999998 0.4208 AML other m 2019-06-04T02:42:51.78
IV.PETRA.HHE. ML:1.1 0.000066699215 0.6608 AML other m 2019-06-04T02:42:52.63
IV.GALF.HNE. ML:1.6 0.00010054605499999999 0.68 AML other m 2019-06-04T02:42:54.14
IV.GALF.HHN. ML:1.6 0.00012048339999999999 0.6192 AML other m 2019-06-04T02:42:55.38
IV.CPTP.HHN. ML:1.4 0.00009352584 0.68 AML other m 2019-06-04T02:42:57.66
IV.PLLN.EHN. ML:1.4 0.00008908093 0.56 AML other m 2019-06-04T02:42:57.94
IV.CPTP.HHE. ML:1.4 0.00008762181499999999 0.6992 AML other m 2019-06-04T02:42:59.35
IV.GALF.HHE. ML:1.6 0.00010901398000000001 0.5008 AML other m 2019-06-04T02:43:01.37
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