Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 12-01-2021 and time 04:31:26 (Italy) in region 9 km W Milo (CT)

A magnitude ML 2.3 earthquake occured in region: 9 km W Milo (CT), on

  • 12-01-2021 03:31:26 (UTC)
  • 12-01-2021 04:31:26 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.7500, 15.0160 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 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
Randazzo CT 16 10900 90229
Trecastagni CT 16 10910 101139
Piedimonte Etneo CT 16 3963 105102
Mascali CT 16 14282 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
Tremestieri Etneo CT 20 20589 356714
Mascalucia CT 20 31958 388672
Francavilla di Sicilia ME 20 3945 392617

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)
99 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 2.3 2021-01-12
03:31:26		 37.7497 15.0165 0 2021-07-12
16:55:01		 Bollettino Sismico Italiano INGV 88094561
Reviewed
Rev200 		ML 2.3 2021-01-12
03:31:24		 37.756 15.002 1 2021-05-24
13:15:25		 Sala Operativa INGV_OE (Catania) 86189661
Reviewed
Rev200 		ML 2.5 2021-01-12
03:31:25		 37.754 15.002 2 2021-05-24
13:15:13		 Sala Operativa INGV-OE (Catania) 86189291
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-01-12 03:31:26 ± 0.08
Latitude 37.7497 ± 0.0036
Longitude 15.0165 ± 0.0045
Depth (km) 0 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 88094561

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 480
Semi-minor axis of confidence ellipse (meter) 80
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 134
Circular confidence region, given by single value of horizontal uncertainty (meter) 480.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 48
Number of associated phases, regardless of their use for origin computation 49
Number of defining phases 48
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.37
Epicentral distance of station closest to the epicenter (degree) 0.01979
Epicentral distance of station farthest from the epicenter (degree) 0.88493
Number of stations at which the event was observed 37
Number of stations from which data was used for origin computation 36
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations 21
Type of magnitude ML
Reference to an origin 88094561
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-03-13 21:17:53

ML:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 86189661
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2021-01-12 03:44:22

ML:2.5

Field Value
Value 2.5
Uncertainty 0.4
Num. used stations
Type of magnitude ML
Reference to an origin 86189291
Agency INGV
Autore Sala Operativa INGV-OE (Catania)
Time of creation (UTC) 2021-01-12 03:34:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.IFIL.HHZ. 2021-01-12T03:31:45.38 0.6 undecidable manual P 337 98.2239 50 1.23 28
IV.PLLN.EHZ. 2021-01-12T03:31:43.31 0.6 undecidable manual P 290 81.0522 50 1.8 20
MN.CEL.HHZ. 2021-01-12T03:31:43.15 0.6 undecidable manual P 53 95.3379 50 -0.55 38
IV.SOI.EHZ. 2021-01-12T03:31:43.43 1.0 undecidable manual P 68 97.6245 50 -0.63 18
IV.ACATE.EHZ. 2021-01-12T03:31:43.69 0.6 undecidable manual P 210 92.4408 50 0.44 39
IV.RESU.HHZ. 2021-01-12T03:31:43.93 1.0 undecidable manual P 263 85.0482 50 1.82 10
IV.CSLB.HHZ. 2021-01-12T03:31:42.76 0.6 undecidable manual P 284 86.5467 50 0.42 40
IV.HMDC.HNZ. 2021-01-12T03:31:41.98 0.6 undecidable manual P 193 90.0432 50 -0.91 33
IV.PETRA.HHZ. 2021-01-12T03:31:41.69 0.6 undecidable manual P 277 79.5648 50 0.42 40
IV.RAFF.HHZ. 2021-01-12T03:31:40.94 0.6 undecidable manual P 225 82.0512 50 -0.71 36
IV.IVGP.HHZ. 2021-01-12T03:31:39.59 1.0 undecidable manual P 356 71.9724 50 -0.51 20
IV.MSRU.HHZ. 2021-01-12T03:31:39.61 0.6 undecidable manual P 37 71.4729 50 -0.41 41
IV.HVZN.HNZ. 2021-01-12T03:31:39.18 3.0 undecidable manual P 68.6757 -0.41 0
IV.SSY.HNZ. 2021-01-12T03:31:38.25 0.6 undecidable manual P 176 65.8896 50 -0.91 34
IV.HAGA.HHZ. 2021-01-12T03:31:37.44 0.6 undecidable manual P 167 52.9026 90 0.64 40
IV.CAGR.HHZ. 2021-01-12T03:31:37.33 0.6 undecidable manual P 253 47.5191 90 1.62 24
IV.HCRL.HHZ. 2021-01-12T03:31:36.84 0.6 undecidable manual P 178 51.8037 90 0.28 44
IV.AIO.HHZ. 2021-01-12T03:31:36.71 0.6 undecidable manual S 38 31.0467 90 -0.26 46
IV.MPNC.HHZ. 2021-01-12T03:31:36.45 0.6 undecidable manual P 34 52.9026 90 -0.35 43
IV.MSFR.HHZ. 2021-01-12T03:31:35.86 0.6 undecidable manual P 310 48.8178 90 -0.1 46
IV.HLNI.HHZ. 2021-01-12T03:31:34.92 1.0 undecidable manual P 196 46.2204 90 -0.54 21
IV.GALF.HHZ. 2021-01-12T03:31:34.59 0.1 negative manual P 264 39.7269 90 0.44 87
IV.MUCR.HHZ. 2021-01-12T03:31:33.13 0.6 undecidable manual P 339 34.8429 90 -0.05 47
IV.ESML.HHZ. 2021-01-12T03:31:33.43 0.6 undecidable manual S 220 18.87 91 0.68 41
IV.EFIU.HHZ. 2021-01-12T03:31:32.92 0.6 undecidable manual S 75 17.5713 91 0.63 42
IV.EPZF.HHZ. 2021-01-12T03:31:32.35 0.6 undecidable manual S 301 16.2726 91 0.52 44
IV.AIO.HHZ. 2021-01-12T03:31:32.39 0.6 undecidable manual P 38 31.0467 90 -0.02 48
IV.EMSG.HHZ. 2021-01-12T03:31:30.00 0.3 undecidable manual S 324 9.7791 91 0.4 69
IV.EVRN.HHZ. 2021-01-12T03:31:30.92 0.6 undecidable manual S 123 12.3765 91 0.42 46
IV.ESML.HHZ. 2021-01-12T03:31:30.03 0.6 undecidable manual P 220 18.87 91 0.05 49
IV.EFIU.HHZ. 2021-01-12T03:31:30.22 0.1 positive manual P 75 17.5713 91 0.51 89
IV.EPZF.HHZ. 2021-01-12T03:31:29.00 0.6 undecidable manual P 301 16.2726 91 -0.45 45
IV.ECBD.HHZ. 2021-01-12T03:31:29.04 0.3 undecidable manual S 61 6.993 91 0.41 69
IV.EPIT.HHZ. 2021-01-12T03:31:29.40 0.3 undecidable manual S 27 7.6812 91 0.53 67
IV.ECTS.HHZ. 2021-01-12T03:31:29.53 0.1 positive manual P 32 17.2716 91 -0.13 96
IV.ENIC.HHZ. 2021-01-12T03:31:28.70 0.6 undecidable manual P 178 13.0758 91 -0.12 49
IV.EVRN.HHZ. 2021-01-12T03:31:28.42 0.1 positive manual P 123 12.3765 91 -0.26 94
IV.ECHR.HNZ. 2021-01-12T03:31:28.26 0.6 undecidable manual P 232 11.4774 91 -0.23 48
IV.ESLN.HHZ. 2021-01-12T03:31:28.61 0.3 undecidable manual S 211 7.2927 91 -0.1 74
IV.EPIT.HHZ. 2021-01-12T03:31:27.55 0.1 positive manual P 27 7.6812 91 -0.19 97
IV.ECPN.HHZ. 2021-01-12T03:31:27.22 0.1 undecidable manual S 256 2.6973 94 0.09 99
IV.ESLN.HHZ. 2021-01-12T03:31:27.24 0.1 positive manual P 211 7.2927 91 -0.4 92
IV.ECBD.HHZ. 2021-01-12T03:31:27.54 0.1 positive manual P 61 6.993 91 -0.06 99
IV.EMSG.HHZ. 2021-01-12T03:31:27.82 0.1 negative manual P 324 9.7791 91 -0.34 93
IV.EMCN.HNZ. 2021-01-12T03:31:27.92 0.1 undecidable manual S 18 4.8951 92 0.04 100
IV.ECNE.HHZ. 2021-01-12T03:31:26.78 0.1 undecidable manual S 324 2.1978 94 -0.17 98
IV.EMCN.HNZ. 2021-01-12T03:31:26.75 0.1 positive manual P 18 4.8951 92 -0.42 92
IV.ECNE.HHZ. 2021-01-12T03:31:26.12 0.1 positive manual P 324 2.1978 94 -0.51 91
IV.ECPN.HHZ. 2021-01-12T03:31:26.22 0.3 undecidable manual P 256 2.6973 94 -0.52 68
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EMSG.HHN. ML:3.1 0.023049999999999998 1.48 AML other m 2021-01-12T03:31:32.16
IV.EVRN.HNE. ML:2.2 0.00259 0.44 AML other m 2021-01-12T03:31:33.33
IV.EVRN.HHE. ML:2.3 0.0031950000000000004 1.04 AML other m 2021-01-12T03:31:33.32
IV.ENIC.HNE. ML:2.3 0.0026550000000000002 1.54 AML other m 2021-01-12T03:31:33.93
IV.EMSG.HHE. ML:2.9 0.014287524999999999 1.8592 AML other m 2021-01-12T03:31:31.56
IV.EVRN.HHN. ML:2.6 0.005605000000000001 0.46 AML other m 2021-01-12T03:31:34.53
IV.EVRN.HNN. ML:2.5 0.005380000000000001 0.9 AML other m 2021-01-12T03:31:34.52
IV.ENIC.HNN. ML:2.4 0.0032750000000000006 1.22 AML other m 2021-01-12T03:31:35.11
IV.ENIC.HHE. ML:2.2 0.0023250000000000002 0.22 AML other m 2021-01-12T03:31:35.43
IV.ENIC.HHN. ML:2.3 0.00279 0.72 AML other m 2021-01-12T03:31:36.86
IV.EPZF.HHE. ML:2.7 0.006115000000000001 0.34 AML other m 2021-01-12T03:31:37.12
IV.EPZF.HHN. ML:2.9 0.008850000000000002 0.42 AML other m 2021-01-12T03:31:38.70
IV.ESML.HHE. ML:0.0 0.0035150000000000003 0.82 AML other m 2021-01-12T03:31:39.09
IV.AIO.HHN. ML:2.3 0.00093 0.86 AML other m 2021-01-12T03:31:40.59
IV.ESML.HHN. ML:0.0 0.001625 1.34 AML other m 2021-01-12T03:31:40.17
IV.MUCR.HHN. ML:2.2 0.000633 1 AML other m 2021-01-12T03:31:42.05
IV.AIO.HHE. ML:2.2 0.000808 0.5 AML other m 2021-01-12T03:31:42.74
IV.MUCR.HHE. ML:2.1 0.000597 1.42 AML other m 2021-01-12T03:31:43.81
IV.MPNC.HHE. ML:2.4 0.0006205000000000001 0.62 AML other m 2021-01-12T03:31:51.86
IV.MPNC.HHN. ML:2.3 0.00046550000000000004 0.72 AML other m 2021-01-12T03:31:53.81
IV.MSFR.HHN. ML:1.8 0.000154 0.42 AML other m 2021-01-12T03:31:53.70
IV.MSRU.HHE. ML:2.2 0.0002845 1.26 AML other m 2021-01-12T03:31:59.29
IV.MSRU.HHN. ML:2.0 0.0001525 0.68 AML other m 2021-01-12T03:31:59.96
IV.EMCN.HHN. ML:0.0 0.064870985 0.0992 AML other m 2021-01-12T03:31:27.96
IV.EMCN.HNE. ML:0.0 0.09966506 0.1904 AML other m 2021-01-12T03:31:28.84
IV.EMCN.HHE. ML:0.0 0.09757792000000001 0.1808 AML other m 2021-01-12T03:31:28.84
IV.EMCN.HNN. ML:0.0 0.05949262 0.1008 AML other m 2021-01-12T03:31:27.95
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