Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 08-02-2020 and time 03:45:39 (UTC) in region 11 km S Catania (CT)

A magnitude ML 1.5 earthquake occured in region: 11 km S Catania (CT), on

  • 08-02-2020 03:45:39 (UTC)
  • 08-02-2020 04:45:39 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.4070, 15.0840 at 4 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
Catania CT 11 314555 314555
Misterbianco CT 15 49410 363965
Lentini SR 15 24085 388050
Motta Sant'Anastasia CT 16 12116 400166
Carlentini SR 16 17798 417964
Sant'Agata li Battiati CT 17 9479 427443
Gravina di Catania CT 17 25838 453281
Aci Castello CT 18 18723 472004
San Gregorio di Catania CT 18 11966 483970
Mascalucia CT 19 31958 515928
Tremestieri Etneo CT 19 20589 536517
San Giovanni la Punta CT 19 23060 559577
Camporotondo Etneo CT 19 5023 564600
San Pietro Clarenza CT 19 7743 572343
Valverde CT 20 7840 580183

Municipalities with at least 50000 inhabitants

An earthquake occurred to
11 Km S of Catania (314555 inhabitants)
24 Km S of Acireale (52622 inhabitants)
43 Km NW of Siracusa (122291 inhabitants)
62 Km NE of Ragusa (73313 inhabitants)
67 Km NE of Modica (54633 inhabitants)
70 Km NE of Vittoria (63339 inhabitants)
83 Km E of Gela (75827 inhabitants)
91 Km E of Caltanissetta (63360 inhabitants)
92 Km SW of Reggio di Calabria (183035 inhabitants)
97 Km SW of Messina (238439 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 2020-02-08
03:45:39		 37.4068 15.0838 4 2020-07-18
21:08:20		 Bollettino Sismico Italiano INGV 76486291
Reviewed
Rev100 		ML 1.5 2020-02-08
03:45:39		 37.411 15.0908 1 2020-02-08
03:50:28		 Sala Sismica INGV-Roma 76332031
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-08 03:45:39 ± 0.28
Latitude 37.4068 ± 0.0126
Longitude 15.0838 ± 0.0159
Depth (km) 4 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 76486291

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1399
Semi-minor axis of confidence ellipse (meter) 855
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 64
Circular confidence region, given by single value of horizontal uncertainty (meter) 1400.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 167
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.48
Epicentral distance of station closest to the epicenter (degree) 0.13400
Epicentral distance of station farthest from the epicenter (degree) 0.50992
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 76486291
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-02-13 12:00:10

ML:1.5

Field Value
Value 1.5
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 76332031
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-08 03:50:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GALF.HHZ. 2020-02-08T03:45:50.79 0.6 undecidable manual P 307 56.5989 50 0.38 43
IV.SSY.HHZ. 2020-02-08T03:45:49.70 0.3 undecidable manual S 182 27.6501 99 0.6 64
IV.HLNI.HHZ. 2020-02-08T03:45:46.33 0.1 undecidable manual S 251 19.7691 102 -0.07 98
IT.LNT.HGZ. 2020-02-08T03:45:45.41 0.3 undecidable manual S 209 14.9739 106 0.62 65
IV.HAGA.HHZ. 2020-02-08T03:45:44.97 0.3 undecidable manual S 155 14.874 106 0.2 72
IV.SSY.HHZ. 2020-02-08T03:45:44.41 0.1 undecidable manual P 182 27.6501 99 -0.59 86
IV.ENIC.HHZ. 2020-02-08T03:45:44.96 0.1 undecidable manual P 348 25.4523 99 0.39 91
IV.HAGA.HHZ. 2020-02-08T03:45:42.08 0.1 undecidable manual P 155 14.874 106 -0.42 92
IT.LNT.HGZ. 2020-02-08T03:45:42.48 0.1 undecidable manual P 209 14.9739 106 -0.03 100
IV.HLNI.HHZ. 2020-02-08T03:45:42.92 0.1 undecidable manual P 251 19.7691 102 -0.52 89
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.HAGA.HHE. ML:1.3 0.00022050000000000002 0.56 AML other m 2020-02-08T03:45:46.50
IV.HAGA.HHN. ML:1.4 0.0003095 0.08 AML other m 2020-02-08T03:45:46.57
IV.HLNI.HHE. ML:1.4 0.000219 1.64 AML other m 2020-02-08T03:45:46.09
IV.HLNI.HHN. ML:1.5 0.0002595 1.36 AML other m 2020-02-08T03:45:48.82
IV.ENIC.HHN. ML:1.6 0.000266 0.72 AML other m 2020-02-08T03:45:54.50
IV.ENIC.HHE. ML:1.7 0.0002895 0.5 AML other m 2020-02-08T03:45:54.95
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