Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 16-02-2020 and time 06:44:50 (UTC) in region 4 km SE Castel di Lucio (ME)

A magnitude ML 1.5 earthquake occured in region: 4 km SE Castel di Lucio (ME), on

  • 16-02-2020 06:44:50 (UTC)
  • 16-02-2020 07:44:50 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.8590, 14.3270 at 7 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
Castel di Lucio ME 4 1294 1294
Mistretta ME 9 4791 6085
Sperlinga EN 11 805 6890
Pettineo ME 13 1350 8240
Gangi PA 13 6811 15051
Reitano ME 13 806 15857
Capizzi ME 13 3176 19033
San Mauro Castelverde PA 14 1701 20734
Nicosia EN 14 13899 34633
Motta d'Affermo ME 14 739 35372
Geraci Siculo PA 15 1945 37317
Tusa ME 16 2925 40242
Cerami EN 17 2006 42248
Santo Stefano di Camastra ME 18 4694 46942

Municipalities with at least 50000 inhabitants

An earthquake occurred to
47 Km NE of Caltanissetta (63360 inhabitants)
76 Km E of Bagheria (55387 inhabitants)
78 Km NW of Catania (314555 inhabitants)
79 Km W of Acireale (52622 inhabitants)
88 Km N of Gela (75827 inhabitants)
89 Km E of Palermo (674435 inhabitants)
89 Km NE of Agrigento (59770 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 1.5 2020-02-16
06:44:50		 37.8592 14.3272 7 2020-07-18
21:08:31		 Bollettino Sismico Italiano INGV 77949351
Reviewed
Rev100 		ML 1.5 2020-02-16
06:44:50		 37.9232 14.3163 4 2020-02-16
06:57:27		 Sala Sismica INGV-Roma 76560191
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-16 06:44:50 ± 0.15
Latitude 37.8592 ± 0.0108
Longitude 14.3272 ± 0.0103
Depth (km) 7 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 77949351

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1132
Semi-minor axis of confidence ellipse (meter) 761
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 21
Circular confidence region, given by single value of horizontal uncertainty (meter) 1130.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 114
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.16907
Epicentral distance of station farthest from the epicenter (degree) 0.46855
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 77949351
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-06-25 15:25:05

ML:1.5

Field Value
Value 1.5
Uncertainty 0.4
Num. used stations 6
Type of magnitude ML
Reference to an origin 76560191
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-16 06:57:27
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ALJA.HHZ. 2020-02-16T06:45:01.00 0.3 undecidable manual P 257 51.7038 50 0.16 73
IV.MUCR.HHZ. 2020-02-16T06:45:00.55 0.3 undecidable manual P 67 52.0035 50 -0.33 70
IV.GALF.HHZ. 2020-02-16T06:45:00.17 0.6 undecidable manual S 128 26.6511 104 -0.27 50
IV.CSLB.HHZ. 2020-02-16T06:44:59.68 0.3 undecidable manual S 290 25.1526 105 -0.24 75
IV.PLLN.EHN. 2020-02-16T06:44:59.31 0.6 undecidable manual S 313 21.867 107 0.47 48
IV.RESU.HHZ. 2020-02-16T06:44:58.15 0.3 undecidable manual P 225 33.4443 101 0.43 71
IV.CAGR.HHE. 2020-02-16T06:44:57.88 0.6 undecidable manual P 150 30.3474 103 0.76 42
IV.PETRA.HHZ. 2020-02-16T06:44:57.58 0.3 undecidable manual S 261 18.7701 110 -0.25 76
IV.GALF.HHZ. 2020-02-16T06:44:56.32 0.3 undecidable manual P 128 26.6511 104 -0.09 77
IV.CSLB.HHZ. 2020-02-16T06:44:55.81 0.3 undecidable manual P 290 25.1526 105 -0.29 74
IV.PLLN.EHN. 2020-02-16T06:44:55.84 0.1 undecidable manual P 313 21.867 107 0.36 98
IV.PETRA.HHZ. 2020-02-16T06:44:54.60 0.1 undecidable manual P 261 18.7701 110 -0.3 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PETRA.HHN. ML:1.5 0.00026700000000000004 1.52 AML other m 2020-02-16T06:45:00.17
IV.CSLB.HHE. ML:1.1 0.0000712 0.24 AML other m 2020-02-16T06:45:01.43
IV.CSLB.HHN. ML:1.0 0.0000629 0.68 AML other m 2020-02-16T06:45:01.37
IV.PETRA.HHE. ML:1.4 0.00023799999999999998 0.74 AML other m 2020-02-16T06:45:02.48
IV.GALF.HHE. ML:1.8 0.0003255 0.52 AML other m 2020-02-16T06:45:02.43
IV.GALF.HHN. ML:1.8 0.0003605 0.24 AML other m 2020-02-16T06:45:03.33
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