Earthquake with magnitude of ML 2.0 on date 20-11-2018 and time 06:21:38 (Italy) in region 10 km NE Biancavilla (CT)

A magnitude ML 2.0 earthquake occured in region: 10 km NE Biancavilla (CT), on

  • 20-11-2018 05:21:38 (UTC)
  • 20-11-2018 06:21:38 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.7210, 14.9220 at 27 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 10 24007 24007
Ragalna CT 10 3924 27931
Adrano CT 10 36122 64053
Bronte CT 11 19172 83225
Santa Maria di Licodia CT 12 7641 90866
Maletto CT 13 3920 94786
Nicolosi CT 15 7463 102249
Belpasso CT 15 28108 130357
PaternĂ² CT 16 48228 178585
Zafferana Etnea CT 16 9517 188102
Pedara CT 17 14102 202204
Milo CT 17 1087 203291
Randazzo CT 18 10900 214191
Trecastagni CT 18 10910 225101
Camporotondo Etneo CT 19 5023 230124
Maniace CT 19 3765 233889
San Pietro Clarenza CT 19 7743 241632
Centuripe EN 19 5470 247102
Santa Venerina CT 20 8592 255694
Viagrande CT 20 8563 264257
Sant'Alfio CT 20 1582 265839
Mascalucia CT 20 31958 297797

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km NW of Acireale (52622 inhabitants)
28 Km NW of Catania (314555 inhabitants)
77 Km SW of Messina (238439 inhabitants)
77 Km SW of Reggio di Calabria (183035 inhabitants)
80 Km E of Caltanissetta (63360 inhabitants)
80 Km NW of Siracusa (122291 inhabitants)
90 Km N of Ragusa (73313 inhabitants)
92 Km NE of Vittoria (63339 inhabitants)
94 Km NE of Gela (75827 inhabitants)
97 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
05:21:38
37.7207 14.9223 27 2019-06-04
09:16:17
Bollettino Sismico Italiano INGV 68512681
Reviewed
Rev100
ML 2.0 2018-11-20
05:21:37
37.7103 14.901 30 2018-11-20
05:33:25
Sala Sismica INGV-Roma 63222911
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-11-20 05:21:38 ± 0.26
Latitude 37.7207 ± 0.0081
Longitude 14.9223 ± 0.0125
Depth (km) 27 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 68512681

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1072
Semi-minor axis of confidence ellipse (meter) 504
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 100
Circular confidence region, given by single value of horizontal uncertainty (meter) 1070.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 65
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.41
Epicentral distance of station closest to the epicenter (degree) 0.04946
Epicentral distance of station farthest from the epicenter (degree) 0.57557
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 63222911
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-11-20 05:33:25

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 68512681
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-05-13 12:54:27
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSY.HHZ. 2018-11-20T05:21:58.75 0.6 undecidable manual S 168 63.8916 107 0.37 45
IV.AGST.EHZ. 2018-11-20T05:21:57.12 0.3 undecidable manual S 152 58.0974 109 0.21 70
IV.AIO.HHZ. 2018-11-20T05:21:53.10 0.6 undecidable manual S 44 38.9277 119 0.87 40
IV.HLNI.HHZ. 2018-11-20T05:21:52.63 0.3 undecidable manual S 186 41.5251 117 -0.22 75
IV.GALF.HHZ. 2018-11-20T05:21:51.06 0.3 undecidable manual S 268 31.2465 126 0.55 70
IV.MUCR.HHE. 2018-11-20T05:21:51.53 0.6 undecidable manual S 353 36.0417 122 -0.04 51
IV.SSY.HHZ. 2018-11-20T05:21:49.76 0.3 undecidable manual P 168 63.8916 107 -0.09 73
IV.AGST.EHZ. 2018-11-20T05:21:48.68 0.3 undecidable manual P 152 58.0974 109 -0.32 71
IV.ESML.HHZ. 2018-11-20T05:21:47.31 0.3 undecidable manual S 198 11.9769 154 0.19 78
IV.CAGR.HHE. 2018-11-20T05:21:47.28 0.1 undecidable manual P 254 38.628 119 1 76
IV.EPZF.HHZ. 2018-11-20T05:21:47.40 0.6 undecidable manual S 333 12.7761 152 0.18 52
IV.ESLN.HHZ. 2018-11-20T05:21:46.54 0.3 undecidable manual S 123 5.4945 167 0 82
IV.HLNI.HHZ. 2018-11-20T05:21:46.25 0.1 undecidable manual P 186 41.5251 117 -0.41 95
IV.AIO.HHZ. 2018-11-20T05:21:46.56 0.1 positive manual P 44 38.9277 119 0.26 98
IV.MUCR.HHE. 2018-11-20T05:21:45.79 0.3 undecidable manual P 353 36.0417 122 -0.13 75
IV.GALF.HHZ. 2018-11-20T05:21:44.94 0.1 negative manual P 268 31.2465 126 -0.37 97
IV.EPOZ.HHZ. 2018-11-20T05:21:44.71 0.1 undecidable manual P 103 23.9538 134 0.26 100
IV.ESML.HHZ. 2018-11-20T05:21:43.65 0.3 undecidable manual P 198 11.9769 154 0.3 76
IV.EVRN.HNN. 2018-11-20T05:21:43.12 0.3 undecidable manual P 100 19.0698 141 -0.82 64
IV.ESLN.HHZ. 2018-11-20T05:21:42.52 0.3 undecidable manual P 123 5.4945 167 -0.5 74
IV.EPZF.HHZ. 2018-11-20T05:21:42.72 0.1 undecidable manual P 333 12.7761 152 -0.69 90
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GALF.HHE. ML:2.0 0.0003185 1.56 AML other m 2018-11-20T05:21:52.89
IV.AIO.HHE. ML:2.2 0.000447 0.36 AML other m 2018-11-20T05:21:53.30
IV.AIO.HHN. ML:1.9 0.00022950000000000002 0.22 AML other m 2018-11-20T05:21:54.62
IV.GALF.HHN. ML:1.8 0.00021799999999999999 0.56 AML other m 2018-11-20T05:22:02.01
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