Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 18-07-2020 and time 08:42:53 (Italy) in region 1 km SW Castel di Lucio (ME)

A magnitude ML 1.4 earthquake occured in region: 1 km SW Castel di Lucio (ME), on

  • 18-07-2020 06:42:53 (UTC)
  • 18-07-2020 08:42:53 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.8760, 14.3050 at 10 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Castel di Lucio ME 1 1294 1294
Mistretta ME 8 4791 6085
Pettineo ME 10 1350 7435
San Mauro Castelverde PA 11 1701 9136
Reitano ME 11 806 9942
Motta d'Affermo ME 12 739 10681
Gangi PA 12 6811 17492
Sperlinga EN 13 805 18297
Geraci Siculo PA 13 1945 20242
Tusa ME 14 2925 23167
Capizzi ME 16 3176 26343
Santo Stefano di Camastra ME 16 4694 31037
Nicosia EN 16 13899 44936
Pollina PA 19 2974 47910
Cerami EN 19 2006 49916
Petralia Soprana PA 19 3360 53276

Municipalities with at least 50000 inhabitants

An earthquake occurred to
48 Km NE of Caltanissetta (63360 inhabitants)
73 Km E of Bagheria (55387 inhabitants)
80 Km NW of Catania (314555 inhabitants)
81 Km W of Acireale (52622 inhabitants)
87 Km E of Palermo (674435 inhabitants)
89 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
Reviewed
Rev100 		ML 1.4 2020-07-18
06:42:53		 37.8763 14.305 10 2020-07-18
06:53:18		 Sala Sismica INGV-Roma 81129131
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-07-18 06:42:53 ± 0.26
Latitude 37.8763 ± 0.0162
Longitude 14.3050 ± 0.0137
Depth (km) 10 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 81129131

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1499
Semi-minor axis of confidence ellipse (meter) 1363
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 343
Circular confidence region, given by single value of horizontal uncertainty (meter) 1500.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 103
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) 0.45
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.47844
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 81129131
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-07-18 06:53:18
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ILOS.HHZ. 2020-07-18T06:43:10.26 3.0 negative manual P 0.52 0
IV.GALF.HHZ. 2020-07-18T06:43:03.36 0.6 undecidable manual S 129 29.3484 50 -0.22 49
IV.GIB.HHZ. 2020-07-18T06:43:03.34 0.6 undecidable manual S 297 27.4503 50 0.26 49
IV.MSFR.HHE. 2020-07-18T06:43:03.93 0.6 undecidable manual S 55 30.5472 50 0.03 51
IV.MUCR.HHZ. 2020-07-18T06:43:02.81 0.1 undecidable manual P 69 53.1024 50 -0.01 98
IV.PLLN.EHZ. 2020-07-18T06:43:01.32 0.3 undecidable manual S 312 19.1697 118 0.64 67
IV.SCIAR.HHZ. 2020-07-18T06:43:01.69 0.1 undecidable manual P 279 49.2174 50 -0.52 88
IV.RESU.HHE. 2020-07-18T06:43:00.87 0.1 undecidable manual P 221 33.5442 50 1.07 72
IV.CSLB.HHZ. 2020-07-18T06:43:00.94 0.6 undecidable manual S 287 22.6551 115 -0.83 41
IV.MSFR.HHE. 2020-07-18T06:42:59.46 0.1 undecidable manual P 55 30.5472 50 0.11 100
IV.GIB.HHZ. 2020-07-18T06:42:58.66 0.1 undecidable manual P 297 27.4503 50 -0.21 98
IV.GALF.HHZ. 2020-07-18T06:42:58.80 0.6 positive manual P 129 29.3484 50 -0.36 48
IV.CSLB.HHZ. 2020-07-18T06:42:57.63 0.6 undecidable manual P 287 22.6551 115 -0.49 47
IV.PLLN.EHZ. 2020-07-18T06:42:57.66 0.6 positive manual P 312 19.1697 118 0.17 50
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PLLN.EHE. ML:1.5 0.00022999999999999998 0.44 AML other m 2020-07-18T06:43:04.39
IV.CSLB.HHN. ML:1.0 0.0000673 0.9 AML other m 2020-07-18T06:43:05.70
IV.PLLN.EHN. ML:1.5 0.0002495 1.52 AML other m 2020-07-18T06:43:06.00
IV.GIB.HHE. ML:1.3 0.00010175 0.42 AML other m 2020-07-18T06:43:06.06
IV.GIB.HHN. ML:1.3 0.00010669999999999999 1.16 AML other m 2020-07-18T06:43:06.40
IV.GALF.HHE. ML:1.8 0.0002935 1.26 AML other m 2020-07-18T06:43:07.36
IV.GALF.HHN. ML:1.8 0.0002915 0.38 AML other m 2020-07-18T06:43:07.59
IV.CSLB.HHE. ML:0.9 0.00005035 0.68 AML other m 2020-07-18T06:43:07.79
IV.SCIAR.HHE. ML:1.3 0.00005035 0.32 AML other m 2020-07-18T06:43:14.48
IV.SCIAR.HHN. ML:1.3 0.00005565 1.04 AML other m 2020-07-18T06:43:25.95
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