Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 20-11-2018 and time 06:36:19 (Italy) in region 8 km NE Biancavilla (CT)

A magnitude ML 2.0 earthquake occured in region: 8 km NE Biancavilla (CT), on

  • 20-11-2018 05:36:19 (UTC)
  • 20-11-2018 06:36:19 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.7070, 14.9120 at 28 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 8 24007 24007
Adrano CT 8 36122 60129
Ragalna CT 9 3924 64053
Santa Maria di Licodia CT 10 7641 71694
Bronte CT 11 19172 90866
Belpasso CT 14 28108 118974
Paternò CT 14 48228 167202
Maletto CT 14 3920 171122
Nicolosi CT 14 7463 178585
Pedara CT 16 14102 192687
Zafferana Etnea CT 17 9517 202204
Camporotondo Etneo CT 18 5023 207227
Centuripe EN 18 5470 212697
Trecastagni CT 18 10910 223607
San Pietro Clarenza CT 18 7743 231350
Milo CT 18 1087 232437
Mascalucia CT 19 31958 264395
Viagrande CT 19 8563 272958
Randazzo CT 19 10900 283858
Maniace CT 20 3765 287623

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km W of Acireale (52622 inhabitants)
27 Km NW of Catania (314555 inhabitants)
78 Km SW of Messina (238439 inhabitants)
78 Km SW of Reggio di Calabria (183035 inhabitants)
79 Km E of Caltanissetta (63360 inhabitants)
79 Km NW of Siracusa (122291 inhabitants)
88 Km N of Ragusa (73313 inhabitants)
90 Km NE of Vittoria (63339 inhabitants)
92 Km NE of Gela (75827 inhabitants)
95 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 2.0 2018-11-20
05:36:19		 37.7067 14.9117 28 2019-06-04
09:16:17		 Bollettino Sismico Italiano INGV 68517021
Reviewed
Rev100 		ML 2.0 2018-11-20
05:36:19		 37.7065 14.8973 29 2018-11-20
05:45:22		 Sala Sismica INGV-Roma 63223381
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-11-20 05:36:19 ± 0.21
Latitude 37.7067 ± 0.0117
Longitude 14.9117 ± 0.0148
Depth (km) 28 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 68517021

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1142
Semi-minor axis of confidence ellipse (meter) 1050
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 327
Circular confidence region, given by single value of horizontal uncertainty (meter) 1140.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 69
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.05126
Epicentral distance of station farthest from the epicenter (degree) 0.65111
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 63223381
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-11-20 05:45:22

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 68517021
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-05-13 14:19:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HLNI.HHZ. 2018-11-20T05:36:34.51 0.6 undecidable manual S 185 39.8268 119 0.62 44
IV.AIO.HHZ. 2018-11-20T05:36:34.71 0.6 undecidable manual S 44 40.626 119 0.63 43
IV.RAFF.HHZ. 2018-11-20T05:36:32.91 0.3 undecidable manual P 222 72.2721 106 0.42 65
IV.GALF.HHZ. 2018-11-20T05:36:32.47 0.6 undecidable manual S 271 30.2475 127 0.72 42
IV.SSY.HHZ. 2018-11-20T05:36:31.19 0.3 undecidable manual P 167 62.493 108 0.14 70
IV.EPZF.HHZ. 2018-11-20T05:36:29.15 0.6 undecidable manual S 340 13.875 151 0.31 49
IV.EMCN.HNZ. 2018-11-20T05:36:29.44 0.6 undecidable manual S 49 14.2746 150 0.56 46
IV.ESML.HHZ. 2018-11-20T05:36:28.44 0.6 undecidable manual S 196 10.1787 158 0.03 53
IV.AIO.HHZ. 2018-11-20T05:36:28.10 0.1 undecidable manual P 44 40.626 119 0.15 97
IV.ESLN.HHZ. 2018-11-20T05:36:28.07 0.3 undecidable manual S 105 5.6943 167 0.02 79
IV.HLNI.HHZ. 2018-11-20T05:36:27.80 0.1 negative manual P 185 39.8268 119 -0.04 99
IV.GALF.HHZ. 2018-11-20T05:36:26.50 0.1 negative manual P 271 30.2475 127 -0.11 100
IV.MUCR.HHE. 2018-11-20T05:36:26.96 0.3 undecidable manual P 355 37.4292 121 -0.56 67
IV.EMCN.HNZ. 2018-11-20T05:36:25.18 0.3 undecidable manual P 49 14.2746 150 0.23 75
IV.EVRN.HNN. 2018-11-20T05:36:25.08 0.3 undecidable manual P 96 19.7691 141 -0.35 72
IV.ESML.HHZ. 2018-11-20T05:36:24.02 0.3 undecidable manual P 196 10.1787 158 -0.66 67
IV.ESLN.HHZ. 2018-11-20T05:36:24.21 0.3 undecidable manual P 105 5.6943 167 -0.26 76
IV.EPZF.HHZ. 2018-11-20T05:36:24.33 0.1 undecidable manual P 340 13.875 151 -0.6 92
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ESLN.HHE. ML:2.2 0.0008902641 0.3808 AML other m 2018-11-20T05:36:28.40
IV.ESLN.HHN. ML:2.2 0.0009259226499999999 0.3616 AML other m 2018-11-20T05:36:28.40
IV.GALF.HHN. ML:1.8 0.00024154880000000001 1.6608 AML other m 2018-11-20T05:36:34.84
IV.GALF.HHE. ML:1.9 0.00029630164999999996 0.4416 AML other m 2018-11-20T05:36:34.40
IV.HLNI.HHN. ML:1.9 0.00024171894999999998 0.3008 AML other m 2018-11-20T05:36:34.78
IV.AIO.HHN. ML:1.9 0.00020551005 0.4224 AML other m 2018-11-20T05:36:35.07
IV.AIO.HHE. ML:2.1 0.000380828 1.68 AML other m 2018-11-20T05:36:35.95
IV.HLNI.HHE. ML:1.7 0.000151672695 0.2176 AML other m 2018-11-20T05:36:35.26
IV.RAFF.HHN. ML:2.0 0.0001664764 1.6608 AML other m 2018-11-20T05:36:41.95
IV.GALF.HNN. ML:1.6 0.00013314634999999999 1.1296 AML other m 2018-11-20T05:36:41.77
IV.GALF.HNE. ML:1.6 0.00012306998999999998 0.672 AML other m 2018-11-20T05:36:42.21
IV.RAFF.HHE. ML:2.1 0.0001796798 0.0992 AML other m 2018-11-20T05:36:44.48
IV.SSY.HHE. ML:2.4 0.00042506179999999996 0.16 AML other m 2018-11-20T05:36:45.16
IV.SSY.HHN. ML:2.6 0.0007956873 1.6192 AML other m 2018-11-20T05:36:45.08
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
Waveforms Seismic signals in miniseed + resp format Download