Earthquake with magnitude of ML 1.9 on date 11-12-2018 and time 02:11:53 (UTC) in region 9 km N Ragalna (CT)

A magnitude ML 1.9 earthquake occured in region: 9 km N Ragalna (CT), on

  • 11-12-2018 02:11:53 (UTC)
  • 11-12-2018 03:11:53 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.71, 14.96 at 9 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
Ragalna CT 9 3924 3924
Biancavilla CT 11 24007 27931
Nicolosi CT 12 7463 35394
Santa Maria di Licodia CT 12 7641 43035
Zafferana Etnea CT 12 9517 52552
Adrano CT 13 36122 88674
Belpasso CT 13 28108 116782
Pedara CT 13 14102 130884
Milo CT 14 1087 131971
Trecastagni CT 14 10910 142881
Bronte CT 15 19172 162053
Santa Venerina CT 16 8592 170645
PaternĂ² CT 16 48228 218873
Viagrande CT 16 8563 227436
San Pietro Clarenza CT 16 7743 235179
Camporotondo Etneo CT 16 5023 240202
Maletto CT 16 3920 244122
Sant'Alfio CT 16 1582 245704
Mascalucia CT 17 31958 277662
Tremestieri Etneo CT 18 20589 298251
Aci Bonaccorsi CT 18 3524 301775
Aci Sant'Antonio CT 18 17984 319759
Gravina di Catania CT 19 25838 345597
San Giovanni la Punta CT 19 23060 368657
Randazzo CT 19 10900 379557
Sant'Agata li Battiati CT 20 9479 389036
Giarre CT 20 27659 416695
Aci Catena CT 20 29851 446546

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km NW of Acireale (52622 inhabitants)
25 Km NW of Catania (314555 inhabitants)
75 Km SW of Reggio di Calabria (183035 inhabitants)
75 Km SW of Messina (238439 inhabitants)
78 Km NW of Siracusa (122291 inhabitants)
83 Km E of Caltanissetta (63360 inhabitants)
89 Km N of Ragusa (73313 inhabitants)
92 Km NE of Vittoria (63339 inhabitants)
95 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
Rev 1000 ML 1.9 2018-12-11
02:11:53
37.71 14.96 9 2019-06-04
09:16:07
Bollettino Sismico Italiano INGV 64840441
Rev 100 ML 1.9 2018-12-11
02:11:53
37.71 14.97 9 2018-12-11
02:18:24
Sala Sismica INGV-Roma 63825581
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-12-11 02:11:53 ± 0.18
Latitude 37.71 ± 0.01
Longitude 14.96 ± 0.02
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 64840441

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1370
Semi-minor axis of confidence ellipse (meter) 322
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 275
Circular confidence region, given by single value of horizontal uncertainty (meter) 1370
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 63
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.36782
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 64840441
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-01-21 12:43:12

ML:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 63825581
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-12-11 02:18:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.MCT.BHZ. 2018-12-11T02:12:10.24 3.0 undecidable manual P 0.61 0
IV.SSY.HHZ. 2018-12-11T02:12:05.26 3.0 undecidable manual S -0.3 0
IV.AIO.HHE. 2018-12-11T02:12:01.04 0.6 undecidable manual P 39 0.3372 50 0.56 43
IV.MUCR.HHN. 2018-12-11T02:12:00.22 0.3 undecidable manual P 348 0.3417 50 -0.34 68
IV.GALF.HHE. 2018-12-11T02:12:00.95 0.6 undecidable manual P 270 0.3148 50 0.85 38
IV.HLNI.HHE. 2018-12-11T02:12:00.86 0.6 undecidable manual P 192 0.3678 50 -0.14 47
IV.EPZF.HHZ. 2018-12-11T02:11:59.77 0.3 undecidable manual S 324 0.143 119 0.45 69
IV.EMSG.HHZ. 2018-12-11T02:11:58.80 0.3 undecidable manual S 354 0.1124 125 0.48 69
IV.ESML.HHZ. 2018-12-11T02:11:58.28 0.3 undecidable manual S 217 0.1133 125 -0.05 75
IV.EPOZ.HHE. 2018-12-11T02:11:57.82 0.6 undecidable manual P 102 0.1808 114 0.42 46
IV.ESML.HHZ. 2018-12-11T02:11:56.16 0.1 negative manual P 217 0.1133 125 0.08 100
IV.ESLN.HHZ. 2018-12-11T02:11:56.40 0.3 undecidable manual S 154 0.0171 168 0.26 74
IV.EPZF.HHZ. 2018-12-11T02:11:55.92 0.1 undecidable manual P 324 0.143 119 -0.73 83
IV.EMCN.HNE. 2018-12-11T02:11:55.51 0.3 undecidable manual P 33 0.0989 129 -0.32 72
IV.EMSG.HHZ. 2018-12-11T02:11:55.67 0.3 undecidable manual P 354 0.1124 125 -0.4 70
IV.ESLN.HHZ. 2018-12-11T02:11:54.58 0.1 positive manual P 154 0.0171 168 -0.24 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ESLN.HHN. ML:0 0.001834846 0.3008 AML other m 2018-12-11T02:11:56.61
IV.ESLN.HHE. ML:0 0.00156904885 0.32 AML other m 2018-12-11T02:11:56.59
IV.EMSG.HHN. ML:2.2 0.0016908745 0.2 AML other m 2018-12-11T02:11:59.13
IV.EMSG.HHE. ML:2.1 0.0013767645 0.3792 AML other m 2018-12-11T02:11:59.29
IV.EPZF.HHN. ML:1.8 0.0005692894 0.2992 AML other m 2018-12-11T02:12:03.42
IV.EPZF.HHE. ML:1.6 0.00041815375 0.2992 AML other m 2018-12-11T02:12:00.82
IV.ESML.HHN. ML:1.6 0.00040638005 0.32 AML other m 2018-12-11T02:12:03.88
IV.ESML.HHE. ML:1.6 0.0005164598 0.2992 AML other m 2018-12-11T02:12:01.77
IV.MCT.BHN. ML:2.1 8.5203325E-5 0.48 AML other m 2018-12-11T02:12:41.33
IV.MCT.BHE. ML:2 7.339728E-5 0.44 AML other m 2018-12-11T02:12:18.55
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download