Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 12-01-2021 and time 05:20:03 (UTC) in region 10 km W Milo (CT)

A magnitude ML 2.1 earthquake occured in region: 10 km W Milo (CT), on

  • 12-01-2021 05:20:03 (UTC)
  • 12-01-2021 06:20:03 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.7430, 15.0100 at 0 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 10 1087 1087
Zafferana Etnea CT 10 9517 10604
Sant'Alfio CT 12 1582 12186
Santa Venerina CT 13 8592 20778
Ragalna CT 14 3924 24702
Nicolosi CT 14 7463 32165
Pedara CT 15 14102 46267
Trecastagni CT 15 10910 57177
Giarre CT 15 27659 84836
Maletto CT 16 3920 88756
Randazzo CT 16 10900 99656
Linguaglossa CT 16 5403 105059
Bronte CT 16 19172 124231
Mascali CT 16 14282 138513
Viagrande CT 17 8563 147076
Piedimonte Etneo CT 17 3963 151039
Biancavilla CT 17 24007 175046
Belpasso CT 17 28108 203154
Riposto CT 17 14838 217992
Santa Maria di Licodia CT 18 7641 225633
Moio Alcantara ME 18 717 226350
Adrano CT 18 36122 262472
Aci Bonaccorsi CT 18 3524 265996
Aci Sant'Antonio CT 18 17984 283980
Fiumefreddo di Sicilia CT 18 9623 293603
Castiglione di Sicilia CT 19 3215 296818
San Pietro Clarenza CT 19 7743 304561
Mascalucia CT 19 31958 336519
Tremestieri Etneo CT 19 20589 357108
Aci Catena CT 19 29851 386959
Camporotondo Etneo CT 19 5023 391982
Santa Domenica Vittoria ME 20 980 392962
San Giovanni la Punta CT 20 23060 416022
Malvagna ME 20 733 416755
Acireale CT 20 52622 469377

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km NW of Acireale (52622 inhabitants)
28 Km N of Catania (314555 inhabitants)
69 Km SW of Reggio di Calabria (183035 inhabitants)
69 Km SW of Messina (238439 inhabitants)
80 Km NW of Siracusa (122291 inhabitants)
88 Km E of Caltanissetta (63360 inhabitants)
94 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 2021-01-12
05:20:03		 37.7433 15.0102 1 2021-07-12
16:55:01		 Bollettino Sismico Italiano INGV 88095731
Reviewed
Rev200 		ML 2.1 2021-01-12
05:20:02		 37.75 15.002 0 2021-05-24
13:43:53		 Sala Operativa INGV_OE (Catania) 86191781
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-01-12 05:20:03 ± 0.06
Latitude 37.7433 ± 0.0027
Longitude 15.0102 ± 0.0045
Depth (km) 1 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 88095731

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 389
Semi-minor axis of confidence ellipse (meter) 114
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 116
Circular confidence region, given by single value of horizontal uncertainty (meter) 390.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 47
Number of associated phases, regardless of their use for origin computation 43
Number of defining phases 43
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.01889
Epicentral distance of station farthest from the epicenter (degree) 0.88673
Number of stations at which the event was observed 33
Number of stations from which data was used for origin computation 33
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 22
Type of magnitude ML
Reference to an origin 88095731
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-05-24 13:43:40

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 86191781
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2021-01-12 05:29:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
MN.CEL.HHZ. 2021-01-12T05:20:21.38 0.6 undecidable manual P 53 96.2259 50 0.04 42
IV.CSLB.HHZ. 2021-01-12T05:20:20.12 0.6 undecidable manual P 285 86.1471 50 0.32 40
IV.SOI.EHZ. 2021-01-12T05:20:20.92 0.6 undecidable manual P 68 98.4237 50 -0.77 34
IV.PETRA.HHZ. 2021-01-12T05:20:19.45 0.6 undecidable manual P 278 79.1652 50 0.74 36
IV.PLLN.EHZ. 2021-01-12T05:20:19.58 1.0 undecidable manual P 290 80.8635 50 0.61 19
IV.HMDC.HNZ. 2021-01-12T05:20:19.60 0.3 undecidable manual P 193 89.244 50 -0.68 54
IV.RAFF.HHZ. 2021-01-12T05:20:18.55 0.6 undecidable manual P 225 81.1521 50 -0.48 39
IV.MSRU.HHZ. 2021-01-12T05:20:17.68 0.3 undecidable manual P 37 72.2721 50 0.02 66
IV.SSY.HNZ. 2021-01-12T05:20:16.66 0.6 undecidable manual P 175 65.1903 50 0.1 44
IV.CAGR.HHZ. 2021-01-12T05:20:14.09 0.6 undecidable manual P 253 46.8198 91 0.97 34
IV.MPNC.HHZ. 2021-01-12T05:20:14.26 0.6 undecidable manual P 34 53.8017 91 -0.28 43
IV.HCRL.HHZ. 2021-01-12T05:20:13.72 1.0 undecidable manual P 178 51.1155 91 -0.26 22
IV.HLNI.HHZ. 2021-01-12T05:20:13.34 0.6 undecidable manual P 196 45.4212 91 0.49 42
IV.MSFR.HHZ. 2021-01-12T05:20:13.92 0.3 undecidable manual P 311 48.8178 91 0.39 64
IV.HAGA.HHZ. 2021-01-12T05:20:13.70 0.6 undecidable manual P 166 52.4031 91 -0.55 41
IV.GALF.HHZ. 2021-01-12T05:20:12.14 0.6 undecidable manual P 265 39.1275 91 0.56 41
IV.MUCR.HHZ. 2021-01-12T05:20:10.82 0.3 undecidable manual P 340 35.3424 91 0 71
IV.AIO.HHZ. 2021-01-12T05:20:10.07 0.6 undecidable manual P 38 31.9458 91 -0.08 47
IV.EPZF.HHZ. 2021-01-12T05:20:08.62 0.6 undecidable manual S 304 16.1727 92 -0.73 40
IV.EVRN.HHZ. 2021-01-12T05:20:08.00 0.6 undecidable manual S 119 12.5763 92 -0.1 48
IV.EFIU.HHZ. 2021-01-12T05:20:07.88 0.6 undecidable manual P 74 18.2706 92 0.47 44
IV.ECTS.HHZ. 2021-01-12T05:20:07.42 0.1 undecidable manual P 32 18.1707 92 0.03 97
IV.EPOZ.HNZ. 2021-01-12T05:20:07.88 0.6 undecidable manual P 117 17.5713 92 0.62 42
IV.EMSG.HHZ. 2021-01-12T05:20:07.82 0.3 undecidable manual S 328 10.0788 93 0.56 65
IV.ENIC.HHZ. 2021-01-12T05:20:07.62 0.6 undecidable manual S 175 12.4764 92 -0.46 45
IV.EPIT.HHZ. 2021-01-12T05:20:07.16 0.6 undecidable manual S 28 8.5803 94 0.43 45
IV.ESML.HHZ. 2021-01-12T05:20:07.86 0.6 undecidable manual P 220 18.0708 92 0.5 44
IV.ECBD.HHZ. 2021-01-12T05:20:07.03 0.3 undecidable manual S 59 7.881 94 0.55 66
IV.EPZF.HHZ. 2021-01-12T05:20:06.99 0.1 negative manual P 304 16.1727 92 0.01 98
IV.EVRN.HHZ. 2021-01-12T05:20:06.34 0.3 undecidable manual P 119 12.5763 92 0.08 73
IV.ESLN.HHZ. 2021-01-12T05:20:06.12 0.3 undecidable manual S 210 6.3936 95 0.15 73
IV.ENIC.HHZ. 2021-01-12T05:20:06.28 0.3 undecidable manual P 175 12.4764 92 0.03 74
IV.EMCN.HNZ. 2021-01-12T05:20:05.73 0.3 undecidable manual S 21 5.6943 95 0 75
IV.ECBD.HHZ. 2021-01-12T05:20:05.32 0.1 positive manual P 59 7.881 94 0 99
IV.ECHR.HNZ. 2021-01-12T05:20:05.82 0.3 undecidable manual P 234 10.5783 93 -0.06 73
IV.EMSG.HHZ. 2021-01-12T05:20:05.48 0.3 undecidable manual P 328 10.0788 93 -0.29 70
IV.EPIT.HHZ. 2021-01-12T05:20:05.31 0.1 positive manual P 28 8.5803 94 -0.16 96
IV.ECNE.HHZ. 2021-01-12T05:20:04.41 0.3 undecidable manual S 343 2.5974 102 -0.24 72
IV.EMCN.HNZ. 2021-01-12T05:20:04.53 0.1 positive manual P 21 5.6943 95 -0.37 93
IV.ECPN.HHZ. 2021-01-12T05:20:04.52 0.1 undecidable manual S 271 2.0979 105 0.03 100
IV.ESLN.HHZ. 2021-01-12T05:20:04.94 0.1 positive manual P 210 6.3936 95 -0.09 98
IV.ECNE.HHZ. 2021-01-12T05:20:03.79 0.1 positive manual P 343 2.5974 102 -0.48 91
IV.ECPN.HHZ. 2021-01-12T05:20:03.85 0.3 undecidable manual P 271 2.0979 105 -0.33 70
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ENIC.HNN. ML:2.3 0.0029850000000000002 0.74 AML other m 2021-01-12T05:20:10.42
IV.EMSG.HHE. ML:2.7 0.008515 0.44 AML other m 2021-01-12T05:20:10.69
IV.EMSG.HHN. ML:2.6 0.007679999999999999 0.22 AML other m 2021-01-12T05:20:11.11
IV.EVRN.HNE. ML:2.0 0.00147 1.46 AML other m 2021-01-12T05:20:12.14
IV.EVRN.HHE. ML:2.0 0.00165 1.66 AML other m 2021-01-12T05:20:12.97
IV.EVRN.HHN. ML:2.0 0.001675 1.32 AML other m 2021-01-12T05:20:13.99
IV.EVRN.HNN. ML:2.1 0.001985 1.3 AML other m 2021-01-12T05:20:13.98
IV.EPZF.HHE. ML:2.2 0.001685 0.5 AML other m 2021-01-12T05:20:13.14
IV.GALF.HNN. ML:1.7 0.00018835 0.84 AML other m 2021-01-12T05:20:13.72
IV.ENIC.HHE. ML:2.1 0.001885 1.1 AML other m 2021-01-12T05:20:13.37
IV.GALF.HHN. ML:2.3 0.000814 1.7 AML other m 2021-01-12T05:20:14.03
IV.ENIC.HNE. ML:2.2 0.0021550000000000002 0.64 AML other m 2021-01-12T05:20:14.37
IV.ENIC.HHN. ML:2.2 0.002385 0.58 AML other m 2021-01-12T05:20:14.39
IV.EPZF.HHN. ML:2.3 0.00202 0.42 AML other m 2021-01-12T05:20:15.50
IV.ESML.HHE. ML:2.1 0.001103 0.46 AML other m 2021-01-12T05:20:15.68
IV.ESML.HHN. ML:2.2 0.00157 0.62 AML other m 2021-01-12T05:20:17.36
IV.AIO.HHN. ML:1.9 0.000375 0.4 AML other m 2021-01-12T05:20:18.99
IV.MUCR.HHE. ML:1.8 0.0002805 1.04 AML other m 2021-01-12T05:20:20.42
IV.AIO.HHE. ML:1.8 0.00027049999999999996 0.8 AML other m 2021-01-12T05:20:20.93
IV.MUCR.HHN. ML:1.9 0.0003255 0.8 AML other m 2021-01-12T05:20:23.45
IV.GALF.HHE. ML:2.5 0.001265 1.26 AML other m 2021-01-12T05:20:29.36
IV.GALF.HNE. ML:1.7 0.000174 0.42 AML other m 2021-01-12T05:20:30.65
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