Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 05-12-2018 and time 07:56:35 (UTC) in region 9 km W Milo (CT)

A magnitude ML 2.1 earthquake occured in region: 9 km W Milo (CT), on

  • 05-12-2018 07:56:35 (UTC)
  • 05-12-2018 08:56:35 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.7490, 15.0170 at 3 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
Milo CT 9 1087 1087
Zafferana Etnea CT 10 9517 10604
Sant'Alfio CT 11 1582 12186
Santa Venerina CT 13 8592 20778
Ragalna CT 15 3924 24702
Giarre CT 15 27659 52361
Nicolosi CT 15 7463 59824
Pedara CT 15 14102 73926
Linguaglossa CT 15 5403 79329
Trecastagni CT 16 10910 90239
Mascali CT 16 14282 104521
Randazzo CT 16 10900 115421
Piedimonte Etneo CT 16 3963 119384
Maletto CT 16 3920 123304
Riposto CT 17 14838 138142
Bronte CT 17 19172 157314
Viagrande CT 17 8563 165877
Moio Alcantara ME 17 717 166594
Biancavilla CT 18 24007 190601
Fiumefreddo di Sicilia CT 18 9623 200224
Castiglione di Sicilia CT 18 3215 203439
Belpasso CT 18 28108 231547
Aci Sant'Antonio CT 19 17984 249531
Aci Bonaccorsi CT 19 3524 253055
Santa Maria di Licodia CT 19 7641 260696
Adrano CT 19 36122 296818
Santa Domenica Vittoria ME 19 980 297798
Malvagna ME 19 733 298531
San Pietro Clarenza CT 20 7743 306274
Aci Catena CT 20 29851 336125
Mascalucia CT 20 31958 368083
Tremestieri Etneo CT 20 20589 388672
Francavilla di Sicilia ME 20 3945 392617
Acireale CT 20 52622 445239

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km NW of Acireale (52622 inhabitants)
28 Km N of Catania (314555 inhabitants)
68 Km SW of Reggio di Calabria (183035 inhabitants)
69 Km SW of Messina (238439 inhabitants)
80 Km N of Siracusa (122291 inhabitants)
89 Km E of Caltanissetta (63360 inhabitants)
95 Km N of Ragusa (73313 inhabitants)
98 Km NE of Vittoria (63339 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 2.1 2018-12-05
07:56:35		 37.7492 15.0173 3 2019-06-04
09:16:04		 Bollettino Sismico Italiano INGV 64451391
Reviewed
Rev200 		ML 2.1 2018-12-05
07:56:33		 37.758 15.006 1 2019-04-19
14:10:00		 Sala Operativa INGV-OE (Catania) 63661731
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-12-05 07:56:35 ± 0.18
Latitude 37.7492 ± 0.0081
Longitude 15.0173 ± 0.0114
Depth (km) 3 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 64451391

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1010
Semi-minor axis of confidence ellipse (meter) 880
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 307
Circular confidence region, given by single value of horizontal uncertainty (meter) 1010.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 91
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) 0.42
Epicentral distance of station closest to the epicenter (degree) 0.04407
Epicentral distance of station farthest from the epicenter (degree) 0.64391
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:2.1

Field Value
Value 2.1
Uncertainty 0.1
Num. used stations
Type of magnitude ML
Reference to an origin 63661731
Agency INGV
Autore Sala Operativa INGV-OE (Catania)
Time of creation (UTC) 2018-12-05 08:03:59

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 64451391
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-01-02 15:00:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MSRU.HHE. 2018-12-05T07:56:49.54 1.0 undecidable manual P 37 71.4729 50 1.02 18
IV.AIO.HHZ. 2018-12-05T07:56:47.04 0.6 undecidable manual S 37 31.0467 96 1.09 37
IV.MUCR.HHZ. 2018-12-05T07:56:47.67 0.6 undecidable manual S 339 34.9428 96 0.38 48
IV.NOV.HHZ. 2018-12-05T07:56:46.94 0.6 undecidable manual S 19 32.6451 96 0.44 48
IV.MPNC.HHN. 2018-12-05T07:56:45.32 1.0 undecidable manual P 34 52.9026 50 -0.35 24
IV.GALF.HHZ. 2018-12-05T07:56:43.49 0.3 undecidable manual P 264 39.8268 95 0.38 72
IV.AIO.HHZ. 2018-12-05T07:56:41.38 0.3 undecidable manual P 37 31.0467 96 0.01 79
IV.MUCR.HHZ. 2018-12-05T07:56:41.97 0.3 undecidable manual P 339 34.9428 96 -0.17 76
IV.NOV.HHZ. 2018-12-05T07:56:41.67 0.3 undecidable manual P 19 32.6451 96 -0.01 79
IV.EPZF.HHZ. 2018-12-05T07:56:41.62 0.6 undecidable manual S 301 16.3725 102 0.72 45
IV.EPOZ.HHZ. 2018-12-05T07:56:39.13 0.3 undecidable manual P 120 17.2716 101 0.49 73
IV.ESML.HHZ. 2018-12-05T07:56:39.52 0.6 undecidable manual P 220 18.9699 100 0.56 47
IV.EMSG.HHZ. 2018-12-05T07:56:39.20 0.3 undecidable manual S 323 9.879 109 0.45 75
IV.EPZF.HHZ. 2018-12-05T07:56:38.02 0.1 positive manual P 301 16.3725 102 -0.44 99
IV.ESLN.HHZ. 2018-12-05T07:56:36.29 0.3 undecidable manual P 211 7.2927 115 -0.43 75
IV.EMCN.HNZ. 2018-12-05T07:56:36.51 0.3 undecidable manual S 17 4.8951 125 -0.67 70
IV.EMSG.HHZ. 2018-12-05T07:56:36.79 0.1 positive manual P 323 9.879 109 -0.42 100
IV.EMCN.HNZ. 2018-12-05T07:56:35.57 0.1 positive manual P 17 4.8951 125 -0.74 90
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.AIO.HHN. ML:0.0 0.00035175755 0.5376 AML other m 2018-12-05T07:56:49.55
IV.AIO.HHE. ML:0.0 0.00033022874999999994 0.32 AML other m 2018-12-05T07:56:49.02
IV.EMCN.HNE. ML:0.0 0.015749742 0.1024 AML other m 2018-12-05T07:56:37.44
IV.EMCN.HNN. ML:0.0 0.017083967999999998 0.1472 AML other m 2018-12-05T07:56:36.72
IV.ESLN.HHN. ML:0.0 0.003092716 0.2176 AML other m 2018-12-05T07:56:40.12
IV.ESLN.HHE. ML:0.0 0.0044548375 0.224 AML other m 2018-12-05T07:56:38.27
IV.EPZF.HHN. ML:2.6 0.004154051 0.3776 AML other m 2018-12-05T07:56:45.29
IV.EPZF.HHE. ML:2.6 0.0041197280000000005 0.3648 AML other m 2018-12-05T07:56:47.01
IV.ESML.HHN. ML:2.0 0.000870171 0.6976 AML other m 2018-12-05T07:56:50.30
IV.ESML.HHE. ML:2.2 0.0013673704999999999 0.48 AML other m 2018-12-05T07:56:50.60
IV.MUCR.HHN. ML:1.8 0.00030188595 0.4608 AML other m 2018-12-05T07:56:55.16
IV.MUCR.HHE. ML:1.9 0.0003375549 0.4224 AML other m 2018-12-05T07:56:53.08
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