Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 13-01-2021 and time 05:08:54 (UTC) in region 6 km NW Milo (CT)

A magnitude ML 2.3 earthquake occured in region: 6 km NW Milo (CT), on

  • 13-01-2021 05:08:54 (UTC)
  • 13-01-2021 06:08:54 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.7560, 15.0550 at 10 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 6 1087 1087
Zafferana Etnea CT 8 9517 10604
Sant'Alfio CT 8 1582 12186
Santa Venerina CT 11 8592 20778
Giarre CT 12 27659 48437
Mascali CT 12 14282 62719
Linguaglossa CT 12 5403 68122
Piedimonte Etneo CT 12 3963 72085
Riposto CT 13 14838 86923
Fiumefreddo di Sicilia CT 14 9623 96546
Pedara CT 15 14102 110648
Castiglione di Sicilia CT 15 3215 113863
Trecastagni CT 16 10910 124773
Nicolosi CT 16 7463 132236
Moio Alcantara ME 16 717 132953
Viagrande CT 16 8563 141516
Randazzo CT 17 10900 152416
Calatabiano CT 17 5308 157724
Ragalna CT 17 3924 161648
Aci Sant'Antonio CT 18 17984 179632
Francavilla di Sicilia ME 18 3945 183577
Aci Bonaccorsi CT 18 3524 187101
Malvagna ME 18 733 187834
Maletto CT 19 3920 191754
Acireale CT 19 52622 244376
Aci Catena CT 19 29851 274227
Gaggi ME 19 3184 277411
Motta Camastra ME 19 845 278256
Belpasso CT 19 28108 306364
Santa Domenica Vittoria ME 20 980 307344
Bronte CT 20 19172 326516
Tremestieri Etneo CT 20 20589 347105
San Giovanni la Punta CT 20 23060 370165

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km NW of Acireale (52622 inhabitants)
28 Km N of Catania (314555 inhabitants)
65 Km SW of Reggio di Calabria (183035 inhabitants)
66 Km SW of Messina (238439 inhabitants)
80 Km N of Siracusa (122291 inhabitants)
92 Km E of Caltanissetta (63360 inhabitants)
97 Km N of Ragusa (73313 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 2.3 2021-01-13
05:08:54		 37.7558 15.0553 10 2021-07-12
16:54:58		 Bollettino Sismico Italiano INGV 86965441
Reviewed
Rev200 		ML 1.8 2021-01-13
05:08:54		 37.779 15.058 5 2021-03-02
18:13:47		 Sala Operativa INGV_OE (Catania) 86215941
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-01-13 05:08:54 ± 0.08
Latitude 37.7558 ± 0.0045
Longitude 15.0553 ± 0.0057
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 86965441

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 497
Semi-minor axis of confidence ellipse (meter) 454
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 267
Circular confidence region, given by single value of horizontal uncertainty (meter) 500.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 57
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.03417
Epicentral distance of station farthest from the epicenter (degree) 0.79770
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 19
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 86215941
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2021-01-13 05:21:08

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 26
Type of magnitude ML
Reference to an origin 86965441
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-03-02 18:13:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HAVL.HHZ. 2021-01-13T05:09:09.37 0.3 undecidable manual P 176 88.5447 50 -0.4 61
IV.SSY.HHZ. 2021-01-13T05:09:06.96 0.3 undecidable manual P 179 66.378 50 0.61 59
IV.MPNC.HHN. 2021-01-13T05:09:04.09 0.6 undecidable manual P 31 50.5161 50 0.18 46
IV.EPZF.HHZ. 2021-01-13T05:09:02.49 0.6 undecidable manual S 294 18.9699 118 0.51 45
IV.MUCR.HHZ. 2021-01-13T05:09:01.70 0.3 undecidable manual P 334 35.6421 50 0.09 72
IV.ENIC.HHZ. 2021-01-13T05:09:00.46 0.6 undecidable manual S 192 14.0748 125 -0.09 50
IV.ECTS.HHZ. 2021-01-13T05:09:00.46 0.6 undecidable manual S 22 15.1737 123 -0.38 47
IV.EFIU.HHE. 2021-01-13T05:09:00.94 0.3 undecidable manual S 75 14.0748 125 0.4 70
IV.AIO.HHZ. 2021-01-13T05:09:00.45 0.3 undecidable manual P 33 28.5492 50 -0.07 73
IV.EMSG.HHZ. 2021-01-13T05:09:00.38 0.6 undecidable manual S 308 11.6772 130 0.49 46
IV.NOV.HHZ. 2021-01-13T05:09:00.76 0.3 undecidable manual P 13 30.9468 50 -0.14 71
IV.EVRN.HNZ. 2021-01-13T05:08:59.99 0.3 undecidable manual S 136 10.1787 134 0.49 69
IV.ESML.HHE. 2021-01-13T05:08:59.70 1.0 undecidable manual P 225 21.7671 115 0.36 23
IV.ECBD.HHN. 2021-01-13T05:08:58.16 0.6 undecidable manual S 45 3.7962 159 -0.09 50
IV.EMCN.HNZ. 2021-01-13T05:08:58.50 0.3 undecidable manual S 334 4.3956 156 0.18 74
IV.ESLN.HHZ. 2021-01-13T05:08:58.96 0.3 undecidable manual S 226 9.879 135 -0.47 69
IV.EPOZ.HHZ. 2021-01-13T05:08:58.50 0.6 undecidable manual P 129 14.9739 124 0.35 47
IV.EPZF.HHZ. 2021-01-13T05:08:58.86 0.3 undecidable manual P 294 18.9699 118 0.01 75
IV.ECTS.HHZ. 2021-01-13T05:08:57.82 0.3 undecidable manual P 22 15.1737 123 -0.36 70
IV.EFIU.HHE. 2021-01-13T05:08:57.93 0.1 undecidable manual P 75 14.0748 125 -0.08 99
IV.EVRN.HNZ. 2021-01-13T05:08:57.25 0.3 undecidable manual P 136 10.1787 134 -0.16 74
IV.ECNE.HHN. 2021-01-13T05:08:57.19 0.3 undecidable manual P 283 4.7952 154 0.42 70
IV.EMSG.HHZ. 2021-01-13T05:08:57.74 0.1 positive manual P 308 11.6772 130 0.1 99
IV.ENIC.HHZ. 2021-01-13T05:08:57.79 0.6 undecidable manual P 192 14.0748 125 -0.23 48
IV.ESLN.HHZ. 2021-01-13T05:08:56.99 0.3 undecidable manual P 226 9.879 135 -0.38 70
IV.ECBD.HHN. 2021-01-13T05:08:56.43 0.1 undecidable manual P 45 3.7962 159 -0.26 97
IV.EMCN.HNZ. 2021-01-13T05:08:56.51 0.1 positive manual P 334 4.3956 156 -0.22 98
IV.EPIT.HHN. 2021-01-13T05:08:56.79 0.1 undecidable manual P 1 6.1938 148 -0.11 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EMCN.HHN. ML:2.8 0.012004999999999998 0.42 AML other m 2021-01-13T05:08:58.89
IV.EMCN.HNN. ML:2.8 0.011984999999999999 0.42 AML other m 2021-01-13T05:08:58.89
IV.EVRN.HNN. ML:2.6 0.005345000000000001 0.24 AML other m 2021-01-13T05:09:00.32
IV.EVRN.HHN. ML:2.6 0.005435000000000001 0.36 AML other m 2021-01-13T05:09:00.33
IV.EMSG.HHE. ML:2.4 0.00317 0.4 AML other m 2021-01-13T05:09:00.77
IV.EMSG.HHN. ML:2.5 0.0038200000000000005 1.1 AML other m 2021-01-13T05:09:00.89
IV.EMCN.HHE. ML:2.8 0.01165 0.32 AML other m 2021-01-13T05:09:01.10
IV.EMCN.HNE. ML:2.8 0.01135 0.32 AML other m 2021-01-13T05:09:01.10
IV.ECTS.HHE. ML:2.0 0.0008975 1.18 AML other m 2021-01-13T05:09:01.32
IV.EVRN.HNE. ML:2.5 0.0037749999999999997 1.04 AML other m 2021-01-13T05:09:01.39
IV.EVRN.HHE. ML:2.5 0.003974999999999999 0.14 AML other m 2021-01-13T05:09:01.39
IV.ECTS.HHN. ML:1.8 0.0006699999999999999 0.74 AML other m 2021-01-13T05:09:01.12
IV.ENIC.HHN. ML:2.1 0.0014 0.42 AML other m 2021-01-13T05:09:03.34
IV.EPOZ.HHE. ML:2.3 0.0018549999999999999 0.76 AML other m 2021-01-13T05:09:03.55
IV.EPOZ.HHN. ML:2.4 0.00231 0.8 AML other m 2021-01-13T05:09:03.68
IV.EPZF.HHE. ML:2.2 0.0011040000000000002 0.34 AML other m 2021-01-13T05:09:05.69
IV.EPZF.HHN. ML:2.2 0.001435 0.26 AML other m 2021-01-13T05:09:05.76
IV.ENIC.HHE. ML:2.1 0.0014399999999999999 0.36 AML other m 2021-01-13T05:09:06.58
IV.AIO.HHN. ML:1.7 0.000256 0.44 AML other m 2021-01-13T05:09:07.24
IV.AIO.HHE. ML:1.8 0.00028849999999999997 0.34 AML other m 2021-01-13T05:09:07.59
IV.NOV.HHE. ML:2.4 0.001135 0.42 AML other m 2021-01-13T05:09:08.31
IV.MUCR.HHE. ML:1.6 0.000158 0.5 AML other m 2021-01-13T05:09:12.18
IV.NOV.HHN. ML:2.2 0.0007289999999999999 0.52 AML other m 2021-01-13T05:09:12.56
IV.MUCR.HHN. ML:1.6 0.0001705 0.5 AML other m 2021-01-13T05:09:16.73
IV.SSY.HHN. ML:2.6 0.000713 0.52 AML other m 2021-01-13T05:09:21.58
IV.SSY.HHE. ML:2.3 0.000359 0.96 AML other m 2021-01-13T05:09:33.03
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