Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 26-11-2018 and time 13:28:15 (Italy) in region 9 km W Motta Sant'Anastasia (CT)

A magnitude ML 1.9 earthquake occured in region: 9 km W Motta Sant'Anastasia (CT), on

  • 26-11-2018 12:28:15 (UTC)
  • 26-11-2018 13:28:15 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.4840, 14.8720 at 15 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
Motta Sant'Anastasia CT 9 12116 12116
Paternò CT 11 48228 60344
Misterbianco CT 13 49410 109754
Santa Maria di Licodia CT 15 7641 117395
Camporotondo Etneo CT 15 5023 122418
Belpasso CT 15 28108 150526
San Pietro Clarenza CT 17 7743 158269
Ragalna CT 18 3924 162193
Biancavilla CT 18 24007 186200
Catenanuova EN 19 4866 191066
Mascalucia CT 19 31958 223024
Gravina di Catania CT 19 25838 248862
Catania CT 19 314555 563417
Ramacca CT 19 10894 574311
Centuripe EN 19 5470 579781
Castel di Iudica CT 20 4625 584406

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km W of Catania (314555 inhabitants)
30 Km SW of Acireale (52622 inhabitants)
60 Km NW of Siracusa (122291 inhabitants)
63 Km N of Ragusa (73313 inhabitants)
66 Km NE of Vittoria (63339 inhabitants)
70 Km N of Modica (54633 inhabitants)
72 Km E of Caltanissetta (63360 inhabitants)
72 Km NE of Gela (75827 inhabitants)
97 Km SW of Reggio di Calabria (183035 inhabitants)
99 Km SW of Messina (238439 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 2018-11-26
12:28:15		 37.4837 14.8723 15 2019-06-04
09:16:09		 Bollettino Sismico Italiano INGV 65530181
Reviewed
Rev100 		ML 2.0 2018-11-26
12:28:14		 37.5083 14.8652 22 2018-11-26
12:35:58		 Sala Sismica INGV-Roma 63393381
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-11-26 12:28:15 ± 0.13
Latitude 37.4837 ± 0.0054
Longitude 14.8723 ± 0.0136
Depth (km) 15 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 65530181

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1189
Semi-minor axis of confidence ellipse (meter) 94
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 78
Circular confidence region, given by single value of horizontal uncertainty (meter) 1190.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 108
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) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.13490
Epicentral distance of station farthest from the epicenter (degree) 0.52880
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:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 7
Type of magnitude ML
Reference to an origin 65530181
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-05-20 10:04:25

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 63393381
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-11-26 12:35:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HMDC.HHZ. 2018-11-26T12:28:34.31 0.6 undecidable manual S 188 58.6968 95 0.69 39
IV.SSY.HHZ. 2018-11-26T12:28:29.41 0.6 undecidable manual S 154 40.3263 98 0.69 39
IV.AGST.EHE. 2018-11-26T12:28:28.57 0.3 undecidable manual S 129 40.1265 98 -0.12 72
IV.GALF.HHZ. 2018-11-26T12:28:27.62 0.3 undecidable manual S 313 36.8298 99 -0.19 69
IV.HVZN.HHE. 2018-11-26T12:28:27.34 0.3 undecidable manual S 202 36.5412 99 -0.4 66
IV.HAGA.HHZ. 2018-11-26T12:28:26.88 0.6 undecidable manual S 131 33.2445 100 0.01 48
IV.HMDC.HHZ. 2018-11-26T12:28:25.61 0.1 undecidable manual P 188 58.6968 95 -0.33 87
IV.ESLN.HHZ. 2018-11-26T12:28:24.70 0.3 undecidable manual S 21 24.9528 106 -0.01 74
IV.CAGR.HHE. 2018-11-26T12:28:23.48 0.3 undecidable manual P 295 36.1416 99 1 55
IV.EMSG.HHN. 2018-11-26T12:28:23.44 0.3 undecidable manual P 10 38.0286 98 0.67 61
IV.HLNI.HHZ. 2018-11-26T12:28:22.56 0.1 undecidable manual S 180 14.9739 123 0.29 94
IV.AGST.EHE. 2018-11-26T12:28:22.62 0.3 undecidable manual P 129 40.1265 98 -0.47 66
IV.EPZF.HHZ. 2018-11-26T12:28:22.92 0.3 undecidable manual P 358 37.8288 98 0.19 70
IV.SSY.HHZ. 2018-11-26T12:28:22.96 0.1 negative manual P 154 40.3263 98 -0.15 94
IV.HVZN.HHE. 2018-11-26T12:28:22.59 0.3 undecidable manual P 202 36.5412 99 0.04 72
IV.ESML.HHZ. 2018-11-26T12:28:22.21 0.6 undecidable manual S 2 14.9739 123 -0.05 50
IV.ESLN.HHZ. 2018-11-26T12:28:21.16 0.3 undecidable manual P 21 24.9528 106 0.37 69
IV.HAGA.HHZ. 2018-11-26T12:28:21.62 0.1 negative manual P 131 33.2445 100 -0.42 90
IV.GALF.HHZ. 2018-11-26T12:28:21.91 0.3 undecidable manual P 313 36.8298 99 -0.68 60
IV.ESML.HHZ. 2018-11-26T12:28:19.19 0.1 undecidable manual P 2 14.9739 123 -0.19 97
IV.HLNI.HHZ. 2018-11-26T12:28:19.34 0.1 negative manual P 180 14.9739 123 -0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.HLNI.HHN. ML:2.3 0.0015572275 0.1216 AML other m 2018-11-26T12:28:22.80
IV.HLNI.HHE. ML:2.2 0.0014064264999999999 0.096 AML other m 2018-11-26T12:28:23.06
IV.ESML.HHE. ML:1.6 0.00034687259999999996 0.16 AML other m 2018-11-26T12:28:24.43
IV.HAGA.HHN. ML:1.7 0.000198194245 0.1792 AML other m 2018-11-26T12:28:27.33
IV.HAGA.HHE. ML:1.6 0.00016737535 0.1024 AML other m 2018-11-26T12:28:27.40
IV.SSY.HHE. ML:2.2 0.0005165535 0.1216 AML other m 2018-11-26T12:28:29.74
IV.HMDC.HHE. ML:1.9 0.00015441925000000002 0.2432 AML other m 2018-11-26T12:28:36.82
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