Earthquake with magnitude of ML 1.9 on date 20-11-2018 and time 17:42:11 (Italy) in region 10 km NE Biancavilla (CT)

A magnitude ML 1.9 earthquake occured in region: 10 km NE Biancavilla (CT), on

  • 20-11-2018 16:42:11 (UTC)
  • 20-11-2018 17:42:11 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.7200, 14.9160 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
Adrano CT 10 36122 60129
Ragalna CT 10 3924 64053
Bronte CT 11 19172 83225
Santa Maria di Licodia CT 12 7641 90866
Maletto CT 13 3920 94786
Belpasso CT 15 28108 122894
Nicolosi CT 15 7463 130357
PaternĂ² CT 16 48228 178585
Zafferana Etnea CT 17 9517 188102
Pedara CT 17 14102 202204
Milo CT 18 1087 203291
Randazzo CT 18 10900 214191
Trecastagni CT 18 10910 225101
Maniace CT 19 3765 228866
Camporotondo Etneo CT 19 5023 233889
Centuripe EN 19 5470 239359
San Pietro Clarenza CT 19 7743 247102
Viagrande CT 20 8563 255665

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)
79 Km E of Caltanissetta (63360 inhabitants)
81 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 1.9 2018-11-20
16:42:11
37.7203 14.9165 27 2019-06-04
09:16:17
Bollettino Sismico Italiano INGV 68536921
Reviewed
Rev100
ML 2.0 2018-11-20
16:42:11
37.7258 14.9217 28 2018-11-20
16:52:39
Sala Sismica INGV-Roma 63237441
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-11-20 16:42:11 ± 0.18
Latitude 37.7203 ± 0.0072
Longitude 14.9165 ± 0.0114
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 68536921

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 990
Semi-minor axis of confidence ellipse (meter) 353
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 259
Circular confidence region, given by single value of horizontal uncertainty (meter) 990.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 72
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) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.05306
Epicentral distance of station farthest from the epicenter (degree) 0.57557
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:1.9

Field Value
Value 1.9
Uncertainty 0.4
Num. used stations 8
Type of magnitude ML
Reference to an origin 68536921
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-05-14 09:46:18

ML:2.0

Field Value
Value 2.0
Uncertainty 0.4
Num. used stations 8
Type of magnitude ML
Reference to an origin 63237441
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-11-20 16:52:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSY.HHZ. 2018-11-20T16:42:32.64 0.6 undecidable manual S 167 63.8916 107 0.47 43
IV.HAGA.HHZ. 2018-11-20T16:42:29.63 0.6 undecidable manual S 156 52.7028 111 0.3 45
IV.AIO.HHZ. 2018-11-20T16:42:26.82 0.6 undecidable manual S 45 39.2274 119 0.73 39
IV.MUCR.HHZ. 2018-11-20T16:42:25.49 0.3 undecidable manual S 354 35.9418 121 0.16 71
IV.GALF.HHZ. 2018-11-20T16:42:24.98 0.3 undecidable manual S 268 30.747 126 0.82 59
IV.SSY.HHZ. 2018-11-20T16:42:23.58 0.1 undecidable manual P 167 63.8916 107 -0.07 93
IV.MPNC.HHE. 2018-11-20T16:42:22.91 0.6 undecidable manual P 39 60.7947 108 -0.27 45
IV.HAGA.HHZ. 2018-11-20T16:42:21.74 0.1 undecidable manual P 156 52.7028 111 -0.27 91
IV.EPZF.HHZ. 2018-11-20T16:42:20.93 0.6 undecidable manual S 336 12.5763 152 -0.02 51
IV.ESLN.HHZ. 2018-11-20T16:42:20.35 0.6 undecidable manual S 121 5.8941 166 0.04 51
IV.AIO.HHZ. 2018-11-20T16:42:20.42 0.1 undecidable manual P 45 39.2274 119 0.29 91
IV.MUCR.HHZ. 2018-11-20T16:42:19.46 0.1 undecidable manual P 354 35.9418 121 -0.23 95
IV.GALF.HHZ. 2018-11-20T16:42:18.86 0.1 undecidable manual P 268 30.747 126 -0.16 97
IV.MNO.SHZ. 2018-11-20T16:42:18.97 0.1 undecidable manual P 320 30.3474 127 -0.01 99
IV.EMCN.HNE. 2018-11-20T16:42:17.24 0.3 undecidable manual P 53 12.876 152 0.05 76
IV.ESML.HHE. 2018-11-20T16:42:17.06 0.3 undecidable manual P 196 11.7771 154 -0.05 77
IV.EPZF.HHZ. 2018-11-20T16:42:16.56 0.1 undecidable manual P 336 12.5763 152 -0.61 90
IV.ESLN.HHZ. 2018-11-20T16:42:16.59 0.1 undecidable manual P 121 5.8941 166 -0.21 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EPZF.HHE. ML:2.4 0.00125 0.56 AML other m 2018-11-20T16:42:21.91
IV.EPZF.HHN. ML:2.1 0.0006605 0.4 AML other m 2018-11-20T16:42:21.99
IV.GALF.HHN. ML:1.6 0.00012690000000000002 0.58 AML other m 2018-11-20T16:42:25.30
IV.GALF.HHE. ML:1.7 0.000185 1.6 AML other m 2018-11-20T16:42:26.82
IV.AIO.HHE. ML:1.7 0.00013900000000000002 0.34 AML other m 2018-11-20T16:42:27.17
IV.AIO.HHN. ML:1.6 0.00010664999999999999 0.2 AML other m 2018-11-20T16:42:28.23
IV.SSY.HHE. ML:2.2 0.0003006101 0.1664 AML other m 2018-11-20T16:42:32.79
IV.SSY.HHN. ML:2.6 0.0006665111 0.1408 AML other m 2018-11-20T16:42:35.80
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
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