Earthquake with magnitude of ML 1.9 on date 02-04-2019 and time 06:51:44 (Italy) in region 2 km N Biancavilla (CT)

A magnitude ML 1.9 earthquake occured in region: 2 km N Biancavilla (CT), on

  • 02-04-2019 04:51:44 (UTC)
  • 02-04-2019 06:51:44 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.6600, 14.8630 at 14 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Biancavilla CT 2 24007 24007
Adrano CT 3 36122 60129
Santa Maria di Licodia CT 5 7641 67770
Ragalna CT 7 3924 71694
PaternĂ² CT 10 48228 119922
Centuripe EN 12 5470 125392
Belpasso CT 13 28108 153500
Bronte CT 15 19172 172672
Nicolosi CT 15 7463 180135
Camporotondo Etneo CT 16 5023 185158
San Pietro Clarenza CT 17 7743 192901
Pedara CT 18 14102 207003
Catenanuova EN 18 4866 211869
Motta Sant'Anastasia CT 19 12116 223985
Maletto CT 19 3920 227905
Mascalucia CT 19 31958 259863
Regalbuto EN 20 7277 267140
Trecastagni CT 20 10910 278050
Misterbianco CT 20 49410 327460

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km NW of Catania (314555 inhabitants)
27 Km W of Acireale (52622 inhabitants)
73 Km E of Caltanissetta (63360 inhabitants)
77 Km NW of Siracusa (122291 inhabitants)
82 Km N of Ragusa (73313 inhabitants)
84 Km NE of Vittoria (63339 inhabitants)
85 Km SW of Reggio di Calabria (183035 inhabitants)
85 Km SW of Messina (238439 inhabitants)
85 Km NE of Gela (75827 inhabitants)
89 Km N of Modica (54633 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 1.9 2019-04-02
04:51:44
37.6597 14.8633 14 2019-08-22
08:25:11
Bollettino Sismico Italiano INGV 70791881
Reviewed
Rev200
ML 1.6 2019-04-02
04:51:44
37.588 15.005 4 2019-04-02
08:54:41
Sala Operativa INGV-OE (Catania) 67185061
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-04-02 04:51:44 ± 0.4
Latitude 37.6597 ± 0.0198
Longitude 14.8633 ± 0.0182
Depth (km) 14 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 70791881

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1961
Semi-minor axis of confidence ellipse (meter) 1624
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 195
Circular confidence region, given by single value of horizontal uncertainty (meter) 1960.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 195
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.42628
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 6
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.1
Num. used stations
Type of magnitude ML
Reference to an origin 67185061
Agency INGV
Autore Sala Operativa INGV-OE (Catania)
Time of creation (UTC) 2019-04-02 08:54:41

ML:1.9

Field Value
Value 1.9
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 70791881
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-07-22 10:43:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.POPM.HHZ. 2019-04-02T04:53:10.23 3.0 positive manual Pn 7.43 0
CR.STON.BHZ. 2019-04-02T04:53:00.32 3.0 positive manual Pn 7.38 0
IV.MCRV.HHZ. 2019-04-02T04:52:27.64 3.0 undecidable manual Pg 11.48 0
IV.CORL.HHZ. 2019-04-02T04:51:55.84 3.0 undecidable manual Sg 0.01 0
IV.AIO.HHE. 2019-04-02T04:51:52.95 1.0 undecidable manual P 43 47.3193 94 -0.45 22
IV.ENIC.HHZ. 2019-04-02T04:51:51.45 0.6 undecidable manual S 103 14.2746 119 0.31 47
IV.ESLN.HHZ. 2019-04-02T04:51:50.37 0.6 undecidable manual S 69 10.4784 132 0.05 50
IV.EPZF.HHZ. 2019-04-02T04:51:49.23 0.6 undecidable manual P 358 18.2706 110 0.27 47
IV.ESML.HHZ. 2019-04-02T04:51:49.57 0.6 undecidable manual S 163 4.7952 155 0.15 50
IV.EMSG.HHE. 2019-04-02T04:51:49.37 1.0 undecidable manual P 23 19.3695 108 0.23 23
IV.ENIC.HHZ. 2019-04-02T04:51:48.51 0.3 undecidable manual P 103 14.2746 119 0.1 74
IV.ESML.HHZ. 2019-04-02T04:51:47.40 0.1 undecidable manual P 163 4.7952 155 -0.01 100
IV.ESLN.HHZ. 2019-04-02T04:51:47.33 0.3 undecidable manual P 69 10.4784 132 -0.6 65
MN.CLTB.HHZ. 2019-04-02T04:51:43.44 3.0 negative manual P 0 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ESML.HHE. ML:1.9 0.0009105 0.82 AML other m 2019-04-02T04:51:50.93
IV.ESML.HHN. ML:1.9 0.0009555 1.24 AML other m 2019-04-02T04:51:51.63
IV.ENIC.HHN. ML:1.8 0.0005055 0.96 AML other m 2019-04-02T04:51:55.42
IV.ESLN.HHN. ML:2.0 0.00116 0.92 AML other m 2019-04-02T04:51:56.31
IV.ENIC.HHE. ML:1.8 0.0005034999999999999 0.62 AML other m 2019-04-02T04:51:57.37
IV.ESLN.HHE. ML:2.1 0.0012 1.26 AML other m 2019-04-02T04:52:02.95
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