Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 12-03-2020 and time 19:47:11 (Italy) in region 3 km SW Militello in Val di Catania (CT)

A magnitude ML 1.8 earthquake occured in region: 3 km SW Militello in Val di Catania (CT), on

  • 12-03-2020 18:47:11 (UTC)
  • 12-03-2020 19:47:11 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.2560, 14.7690 at 17 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
Militello in Val di Catania CT 3 7443 7443
Mineo CT 7 5159 12602
Scordia CT 8 17095 29697
Palagonia CT 8 16608 46305
Francofonte SR 10 12800 59105
Vizzini CT 11 6241 65346
Grammichele CT 12 13418 78764
Licodia Eubea CT 12 3081 81845
Ramacca CT 16 10894 92739
Buccheri SR 16 1999 94738
Monterosso Almo RG 18 3032 97770

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km N of Ragusa (73313 inhabitants)
40 Km SW of Catania (314555 inhabitants)
40 Km NE of Vittoria (63339 inhabitants)
44 Km N of Modica (54633 inhabitants)
51 Km E of Gela (75827 inhabitants)
51 Km W of Siracusa (122291 inhabitants)
53 Km SW of Acireale (52622 inhabitants)
68 Km E 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 1.8 2020-03-12
18:47:11		 37.2557 14.7688 17 2020-07-18
21:08:38		 Bollettino Sismico Italiano INGV 79867611
Reviewed
Rev100 		ML 1.8 2020-03-12
18:47:10		 37.2837 14.7458 19 2020-03-12
18:55:24		 Sala Sismica INGV-Roma 77223781
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-03-12 18:47:11 ± 0.17
Latitude 37.2557 ± 0.0099
Longitude 14.7688 ± 0.0113
Depth (km) 17 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 79867611

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 971
Semi-minor axis of confidence ellipse (meter) 904
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 323
Circular confidence region, given by single value of horizontal uncertainty (meter) 970.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 113
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.58726
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 79867611
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-06-03 20:23:45

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 77223781
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-03-12 18:55:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARVD.HHZ. 2020-03-12T18:48:31.61 3.0 negative manual Pn -2.87 0
IV.FIAM.HHZ. 2020-03-12T18:48:16.55 3.0 undecidable manual Pn -1.05 0
IV.ROSPO.HHZ. 2020-03-12T18:48:13.36 3.0 undecidable manual Pn -2.54 0
IT.VNF1.HGZ. 2020-03-12T18:48:13.30 3.0 negative manual Pg 7.81 0
IV.MRLC.HHZ. 2020-03-12T18:48:06.30 3.0 undecidable manual Pg 9.55 0
XK.SELL.HHZ. 2020-03-12T18:48:05.60 3.0 undecidable manual Sn -3.81 0
IV.CMPR.HHZ. 2020-03-12T18:47:52.99 3.0 undecidable manual Pn 2.54 0
IV.HPAC.HHZ. 2020-03-12T18:47:31.66 1.0 undecidable manual S 159 65.1903 96 0.65 20
IV.CROCE.HHE. 2020-03-12T18:47:27.29 0.6 undecidable manual S 204 51.3153 98 -0.05 47
IV.RAFF.HHZ. 2020-03-12T18:47:24.32 0.6 undecidable manual S 264 36.1416 103 0.98 35
IV.HAGA.HHZ. 2020-03-12T18:47:23.18 0.6 undecidable manual S 84 34.2435 104 0.32 46
IV.ACATE.HNE. 2020-03-12T18:47:23.28 0.3 undecidable manual S 223 34.9428 104 0.23 70
IV.SSY.HHZ. 2020-03-12T18:47:22.48 0.6 undecidable manual S 112 29.0487 108 0.95 37
IV.HPAC.HHZ. 2020-03-12T18:47:22.50 0.3 undecidable manual P 159 65.1903 96 -0.08 68
IV.CPTP.HHZ. 2020-03-12T18:47:22.56 0.3 undecidable manual P 288 56.0994 97 1.37 42
IV.CROCE.HHE. 2020-03-12T18:47:19.88 0.1 undecidable manual P 204 51.3153 98 -0.58 82
IV.MEU.EHZ. 2020-03-12T18:47:19.11 0.6 undecidable manual S 161 16.872 125 0.49 45
IV.RAFF.HHZ. 2020-03-12T18:47:17.83 0.1 undecidable manual P 264 36.1416 103 -0.33 91
IV.SSY.HHZ. 2020-03-12T18:47:17.20 0.1 undecidable manual P 112 29.0487 108 0.09 97
IV.HLNI.HHZ. 2020-03-12T18:47:17.75 0.3 undecidable manual S 41 13.7751 133 -0.21 74
IV.HAGA.HHZ. 2020-03-12T18:47:17.63 0.1 positive manual P 84 34.2435 104 -0.25 93
IV.HVZN.HNZ. 2020-03-12T18:47:17.19 0.6 undecidable manual S 209 9.7791 144 -0.07 51
IV.ACATE.HNE. 2020-03-12T18:47:17.49 0.3 undecidable manual P 223 34.9428 104 -0.5 66
IV.MEU.EHZ. 2020-03-12T18:47:15.46 0.1 negative manual P 161 16.872 125 0.03 100
IV.HLNI.HHZ. 2020-03-12T18:47:14.67 0.1 positive manual P 41 13.7751 133 -0.38 94
IV.HVZN.HNZ. 2020-03-12T18:47:14.47 0.1 undecidable manual P 209 9.7791 144 -0.17 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.HLNI.HHN. ML:1.9 0.000556 0.16 AML other m 2020-03-12T18:47:17.82
IV.HLNI.HHE. ML:1.6 0.000314 0.26 AML other m 2020-03-12T18:47:17.80
IV.MEU.EHN. ML:1.6 0.000262 0.28 AML other m 2020-03-12T18:47:20.43
IV.MEU.EHE. ML:1.6 0.0002485 1.12 AML other m 2020-03-12T18:47:23.27
IV.HAGA.HHN. ML:1.7 0.00020700000000000002 0.46 AML other m 2020-03-12T18:47:23.89
IV.SSY.HHE. ML:2.1 0.000642 0.84 AML other m 2020-03-12T18:47:23.79
IV.RAFF.HHN. ML:1.8 0.00021100000000000003 0.26 AML other m 2020-03-12T18:47:24.56
IV.RAFF.HHE. ML:1.7 0.000193 0.24 AML other m 2020-03-12T18:47:24.53
IV.SSY.HHN. ML:2.6 0.0016200000000000001 1.54 AML other m 2020-03-12T18:47:24.19
IV.HAGA.HHE. ML:1.7 0.0001915 1.54 AML other m 2020-03-12T18:47:25.17
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