Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 07-07-2019 and time 16:56:59 (Italy) in region 3 km NE Biancavilla (CT)

A magnitude ML 1.7 earthquake occured in region: 3 km NE Biancavilla (CT), on

  • 07-07-2019 14:56:59 (UTC)
  • 07-07-2019 16:56:59 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.6630, 14.8850 at 21 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
Biancavilla CT 3 24007 24007
Adrano CT 5 36122 60129
Santa Maria di Licodia CT 5 7641 67770
Ragalna CT 6 3924 71694
Paternò CT 10 48228 119922
Belpasso CT 11 28108 148030
Centuripe EN 13 5470 153500
Nicolosi CT 14 7463 160963
Bronte CT 15 19172 180135
Camporotondo Etneo CT 15 5023 185158
San Pietro Clarenza CT 16 7743 192901
Pedara CT 16 14102 207003
Trecastagni CT 18 10910 217913
Mascalucia CT 18 31958 249871
Motta Sant'Anastasia CT 18 12116 261987
Maletto CT 19 3920 265907
Misterbianco CT 19 49410 315317
Tremestieri Etneo CT 19 20589 335906
Gravina di Catania CT 19 25838 361744
Viagrande CT 20 8563 370307
Zafferana Etnea CT 20 9517 379824
Catenanuova EN 20 4866 384690

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km NW of Catania (314555 inhabitants)
25 Km W of Acireale (52622 inhabitants)
75 Km E of Caltanissetta (63360 inhabitants)
76 Km NW of Siracusa (122291 inhabitants)
83 Km N of Ragusa (73313 inhabitants)
83 Km SW of Reggio di Calabria (183035 inhabitants)
84 Km SW of Messina (238439 inhabitants)
85 Km NE of Vittoria (63339 inhabitants)
87 Km NE of Gela (75827 inhabitants)
90 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 1.7 2019-07-07
14:56:59		 37.6627 14.8852 21 2019-11-13
14:30:56		 Bollettino Sismico Italiano INGV 70823231
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-07-07 14:56:59 ± 0.16
Latitude 37.6627 ± 0.0063
Longitude 14.8852 ± 0.0136
Depth (km) 21 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 70823231

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1043
Semi-minor axis of confidence ellipse (meter) 512
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 282
Circular confidence region, given by single value of horizontal uncertainty (meter) 1040.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 84
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.39
Epicentral distance of station closest to the epicenter (degree) 0.03238
Epicentral distance of station farthest from the epicenter (degree) 0.43707
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitude information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 70823231
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-07-23 11:13:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HAGA.HHZ. 2019-07-07T14:57:15.51 0.1 undecidable manual S 150 48.1185 106 0.67 83
IV.MSFR.HHZ. 2019-07-07T14:57:15.57 0.6 undecidable manual S 328 48.5181 106 0.63 39
IV.MUCR.HHZ. 2019-07-07T14:57:13.45 0.3 undecidable manual S 359 42.2244 108 0.13 70
IV.ECTS.EHZ. 2019-07-07T14:57:11.04 1.0 undecidable manual S 40 31.9458 115 0.26 23
IV.HLNI.HHZ. 2019-07-07T14:57:11.66 0.1 undecidable manual S 182 34.8429 113 0.17 95
IV.EPIT.HHN. 2019-07-07T14:57:09.44 1.0 undecidable manual S 42 22.3554 127 0.87 19
IV.HAGA.HHZ. 2019-07-07T14:57:08.04 0.1 undecidable manual P 150 48.1185 106 -0.18 91
IV.MSFR.HHZ. 2019-07-07T14:57:08.57 0.1 undecidable manual P 328 48.5181 106 0.3 89
IV.EPZF.HHZ. 2019-07-07T14:57:07.92 0.3 undecidable manual S 352 18.0708 134 0.22 71
IV.CAGR.HHZ. 2019-07-07T14:57:07.02 0.1 undecidable manual P 263 34.1436 114 0.84 75
IV.AIO.HHE. 2019-07-07T14:57:07.87 0.1 undecidable manual P 42 45.8208 107 0 95
IV.MUCR.HHZ. 2019-07-07T14:57:07.00 0.1 undecidable manual P 359 42.2244 108 -0.34 90
IV.ESLN.HHZ. 2019-07-07T14:57:06.75 0.1 undecidable manual S 66 8.5803 155 0.55 90
IV.ECTS.EHZ. 2019-07-07T14:57:05.75 0.1 undecidable manual P 40 31.9458 115 -0.12 95
IV.HLNI.HHZ. 2019-07-07T14:57:05.92 0.1 undecidable manual P 182 34.8429 113 -0.36 90
IV.GALF.HHZ. 2019-07-07T14:57:05.06 0.1 undecidable manual P 281 28.4493 119 -0.33 93
IV.EPIT.HHN. 2019-07-07T14:57:04.56 0.1 undecidable manual P 42 22.3554 127 -0.03 99
IV.EMSG.HHZ. 2019-07-07T14:57:04.10 0.1 undecidable manual P 18 18.4704 133 -0.03 100
IV.ESLN.HHZ. 2019-07-07T14:57:03.09 0.1 undecidable manual P 66 8.5803 155 -0.13 99
IV.EPZF.HHZ. 2019-07-07T14:57:03.49 0.1 undecidable manual P 352 18.0708 134 -0.6 88
IV.ESML.HHZ. 2019-07-07T14:57:02.47 0.1 undecidable manual P 186 4.995 165 -0.56 90
IV.ECHR.HHE. 2019-07-07T14:57:02.59 0.1 undecidable manual P 43 3.5964 169 -0.39 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ESML.HHN. ML:1.8 0.0004375 0.22 AML other m 2019-07-07T14:57:07.64
IV.ESLN.HHN. ML:1.9 0.0006459999999999999 0.78 AML other m 2019-07-07T14:57:07.22
IV.ESLN.HHE. ML:1.8 0.0005355000000000001 0.42 AML other m 2019-07-07T14:57:07.76
IV.ESML.HHE. ML:1.8 0.000491 0.56 AML other m 2019-07-07T14:57:08.29
IV.EMSG.HHN. ML:1.9 0.000447 0.42 AML other m 2019-07-07T14:57:10.40
IV.EPZF.HHE. ML:1.5 0.000184 0.26 AML other m 2019-07-07T14:57:10.80
IV.EPZF.HHN. ML:1.8 0.00040100000000000004 1.58 AML other m 2019-07-07T14:57:10.82
IV.HLNI.HHE. ML:1.8 0.00023649999999999998 0.52 AML other m 2019-07-07T14:57:12.34
IV.HLNI.HHN. ML:1.5 0.00010580000000000001 0.1 AML other m 2019-07-07T14:57:12.80
IV.GALF.HHE. ML:1.9 0.0003445 0.58 AML other m 2019-07-07T14:57:13.01
IV.GALF.HHN. ML:2.0 0.00038 0.42 AML other m 2019-07-07T14:57:14.78
IV.MUCR.HHE. ML:1.4 0.00007780000000000001 1.46 AML other m 2019-07-07T14:57:14.02
IV.MUCR.HHN. ML:1.4 0.00006254999999999999 0.46 AML other m 2019-07-07T14:57:14.64
IV.EMSG.HHE. ML:1.9 0.0004805 0.32 AML other m 2019-07-07T14:57:17.20
IV.CAGR.HHE. ML:1.6 0.00013719975 0.4992 AML other m 2019-07-07T14:57:17.36
IV.CAGR.HHN. ML:1.5 0.00010316544499999999 0.448 AML other m 2019-07-07T14:57:19.35
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