Earthquake with magnitude of ML 2.2 on date 20-11-2018 and time 05:40:26 (UTC) in region 8 km NE Biancavilla (CT)

A magnitude ML 2.2 earthquake occured in region: 8 km NE Biancavilla (CT), on

  • 20-11-2018 05:40:26 (UTC)
  • 20-11-2018 06:40:26 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.7110, 14.9110 at 29 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 9 24007 24007
Adrano CT 9 36122 60129
Ragalna CT 9 3924 64053
Santa Maria di Licodia CT 11 7641 71694
Bronte CT 11 19172 90866
Maletto CT 14 3920 94786
Belpasso CT 14 28108 122894
PaternĂ² CT 15 48228 171122
Nicolosi CT 15 7463 178585
Pedara CT 17 14102 192687
Zafferana Etnea CT 17 9517 202204
Camporotondo Etneo CT 18 5023 207227
Centuripe EN 18 5470 212697
Milo CT 18 1087 213784
Trecastagni CT 18 10910 224694
San Pietro Clarenza CT 18 7743 232437
Randazzo CT 19 10900 243337
Maniace CT 19 3765 247102
Mascalucia CT 20 31958 279060
Viagrande CT 20 8563 287623

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km W of Acireale (52622 inhabitants)
28 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)
80 Km NW of Siracusa (122291 inhabitants)
89 Km N of Ragusa (73313 inhabitants)
91 Km NE of Vittoria (63339 inhabitants)
92 Km NE of Gela (75827 inhabitants)
96 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 2.2 2018-11-20
05:40:26
37.7112 14.9113 29 2019-06-04
09:16:17
Bollettino Sismico Italiano INGV 68535161
Reviewed
Rev100
ML 2.2 2018-11-20
05:40:27
37.7003 14.9127 28 2018-11-20
05:47:21
Sala Sismica INGV-Roma 63223481
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-11-20 05:40:26 ± 0.22
Latitude 37.7112 ± 0.0081
Longitude 14.9113 ± 0.0125
Depth (km) 29 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 68535161

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1090
Semi-minor axis of confidence ellipse (meter) 647
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 249
Circular confidence region, given by single value of horizontal uncertainty (meter) 1090.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 75
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.05306
Epicentral distance of station farthest from the epicenter (degree) 0.46765
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 68535161
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-05-14 08:49:52

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 63223481
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-11-20 05:47:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HAGA.HHZ. 2018-11-20T05:40:44.45 0.6 undecidable manual S 156 51.9036 113 0.24 46
IV.AIO.HHZ. 2018-11-20T05:40:42.22 0.6 undecidable manual S 44 40.3263 120 0.78 39
IV.HLNI.HHZ. 2018-11-20T05:40:41.81 0.6 undecidable manual S 185 40.4262 120 0.36 46
IV.MUCR.HHE. 2018-11-20T05:40:40.72 0.3 undecidable manual S 355 36.9297 123 0.05 74
IV.GALF.HHZ. 2018-11-20T05:40:39.92 0.6 undecidable manual S 270 30.2475 129 0.7 42
IV.HAGA.HHZ. 2018-11-20T05:40:36.96 0.1 undecidable manual P 156 51.9036 113 0.07 95
IV.ESML.HHN. 2018-11-20T05:40:36.01 0.6 undecidable manual S 195 10.6782 158 0 52
IV.EPZF.HHZ. 2018-11-20T05:40:36.66 0.6 undecidable manual S 339 13.3755 152 0.35 48
IV.ESLN.HHZ. 2018-11-20T05:40:35.46 0.3 undecidable manual S 110 5.8941 167 -0.16 76
IV.HLNI.HHZ. 2018-11-20T05:40:35.16 0.3 undecidable manual P 185 40.4262 120 -0.14 72
IV.AIO.HHZ. 2018-11-20T05:40:35.51 0.3 undecidable manual P 44 40.3263 120 0.22 71
IV.MUCR.HHE. 2018-11-20T05:40:34.80 0.3 undecidable manual P 355 36.9297 123 -0.05 74
IV.GALF.HHZ. 2018-11-20T05:40:33.98 0.1 undecidable manual P 270 30.2475 129 -0.03 100
IV.EPZF.HHZ. 2018-11-20T05:40:31.78 0.1 undecidable manual P 339 13.3755 152 -0.56 91
IV.ESLN.HHZ. 2018-11-20T05:40:31.53 0.3 undecidable manual P 110 5.8941 167 -0.4 72
IV.ESML.HHN. 2018-11-20T05:40:31.94 0.1 undecidable manual P 195 10.6782 158 -0.22 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EPZF.HHE. ML:2.8 0.0027800000000000004 1.48 AML other m 2018-11-20T05:40:36.11
IV.EPZF.HHN. ML:2.5 0.0016 0.24 AML other m 2018-11-20T05:40:37.00
IV.HLNI.HHN. ML:2.1 0.00034050000000000004 0.28 AML other m 2018-11-20T05:40:42.41
IV.AIO.HHN. ML:1.8 0.0001785 0.44 AML other m 2018-11-20T05:40:42.59
IV.AIO.HHE. ML:2.1 0.00033150000000000003 0.32 AML other m 2018-11-20T05:40:42.47
IV.HLNI.HHE. ML:2.0 0.0002785 1.28 AML other m 2018-11-20T05:40:42.11
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
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