Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 06-02-2021 and time 06:41:25 (UTC) in region 11 km W Milo (CT)

A magnitude ML 2.2 earthquake occured in region: 11 km W Milo (CT), on

  • 06-02-2021 06:41:25 (UTC)
  • 06-02-2021 07:41:25 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.7510, 15.0010 at 1 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 11 1087 1087
Zafferana Etnea CT 11 9517 10604
Sant'Alfio CT 13 1582 12186
Santa Venerina CT 14 8592 20778
Ragalna CT 14 3924 24702
Maletto CT 15 3920 28622
Randazzo CT 15 10900 39522
Nicolosi CT 15 7463 46985
Bronte CT 15 19172 66157
Pedara CT 16 14102 80259
Linguaglossa CT 16 5403 85662
Trecastagni CT 16 10910 96572
Giarre CT 16 27659 124231
Biancavilla CT 17 24007 148238
Piedimonte Etneo CT 17 3963 152201
Moio Alcantara ME 17 717 152918
Mascali CT 17 14282 167200
Viagrande CT 18 8563 175763
Belpasso CT 18 28108 203871
Adrano CT 18 36122 239993
Santa Maria di Licodia CT 18 7641 247634
Riposto CT 18 14838 262472
Castiglione di Sicilia CT 18 3215 265687
Santa Domenica Vittoria ME 19 980 266667
Fiumefreddo di Sicilia CT 19 9623 276290
Aci Sant'Antonio CT 19 17984 294274
Malvagna ME 19 733 295007
Aci Bonaccorsi CT 19 3524 298531
San Pietro Clarenza CT 20 7743 306274

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km NW of Acireale (52622 inhabitants)
29 Km N of Catania (314555 inhabitants)
69 Km SW of Reggio di Calabria (183035 inhabitants)
69 Km SW of Messina (238439 inhabitants)
81 Km NW of Siracusa (122291 inhabitants)
87 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 2.2 2021-02-06
06:41:25		 37.7507 15.0007 1 2021-07-12
16:55:14		 Bollettino Sismico Italiano INGV 90806731
Reviewed
Rev200 		ML 2.0 2021-02-06
06:41:24		 37.752 14.998 1 2021-06-05
01:45:45		 Sala Operativa INGV_OE (Catania) 86874781
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-02-06 06:41:25 ± 0.08
Latitude 37.7507 ± 0.0036
Longitude 15.0007 ± 0.0045
Depth (km) 1 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 90806731

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 430
Semi-minor axis of confidence ellipse (meter) 87
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 118
Circular confidence region, given by single value of horizontal uncertainty (meter) 430.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 40
Number of associated phases, regardless of their use for origin computation 41
Number of defining phases 41
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.01349
Epicentral distance of station farthest from the epicenter (degree) 0.62503
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 26
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 86874781
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2021-02-06 06:52:24

ML:2.2

Field Value
Value 2.2
Uncertainty 0.2
Num. used stations 22
Type of magnitude ML
Reference to an origin 90806731
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-06-05 01:45:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.IVPL.HHZ. 2021-02-06T06:41:38.88 0.3 undecidable manual P 359 69.375 50 -0.26 64
IV.GALF.HHZ. 2021-02-06T06:41:34.08 0.6 undecidable manual P 263 38.3283 91 0.7 40
IV.MUCR.HHZ. 2021-02-06T06:41:32.64 0.3 undecidable manual P 341 34.2435 91 0.07 71
IV.AIO.HHZ. 2021-02-06T06:41:32.07 0.3 undecidable manual P 40 31.8459 91 0 72
IV.ECHR.HHE. 2021-02-06T06:41:31.07 0.6 undecidable manual S 227 10.4784 94 1.72 24
IV.ESAL.HHZ. 2021-02-06T06:41:31.20 0.6 undecidable manual S 88 11.7771 94 1.41 29
IV.EFIU.HHZ. 2021-02-06T06:41:30.01 0.3 undecidable manual P 77 18.87 92 0.52 66
IV.EPOZ.HHZ. 2021-02-06T06:41:29.78 0.3 undecidable manual P 118 18.6702 92 0.34 69
IV.EMSG.HHZ. 2021-02-06T06:41:29.84 0.6 undecidable manual S 330 8.9799 95 1.02 36
IV.ECTS.HHZ. 2021-02-06T06:41:29.31 0.3 undecidable manual P 36 17.9709 92 0.01 74
IV.ECZM.HHN. 2021-02-06T06:41:29.63 0.6 undecidable manual S 256 8.7801 95 0.89 39
IV.EVRN.HHZ. 2021-02-06T06:41:28.18 0.3 undecidable manual P 120 13.6752 93 -0.26 71
IV.ECBD.HHN. 2021-02-06T06:41:28.81 0.6 undecidable manual S 67 8.1807 95 0.25 48
IV.EMFO.HHE. 2021-02-06T06:41:28.77 0.6 undecidable manual S 102 7.9809 95 0.27 48
IV.ESAL.HHZ. 2021-02-06T06:41:28.52 0.3 undecidable manual P 88 11.7771 94 0.46 68
IV.ESVO.HHE. 2021-02-06T06:41:28.26 0.6 undecidable manual S 298 5.2947 98 0.69 42
IV.ESPC.HHN. 2021-02-06T06:41:28.39 0.6 undecidable manual S 160 6.8931 96 0.29 47
IV.ENIC.HHZ. 2021-02-06T06:41:28.24 0.3 undecidable manual P 172 13.3755 93 -0.14 73
IV.ESLN.HHZ. 2021-02-06T06:41:28.16 0.6 undecidable manual S 200 6.7932 96 0.1 49
IV.EMPL.HHZ. 2021-02-06T06:41:28.85 0.6 undecidable manual S 199 8.3805 95 0.23 48
IV.EPZF.HHZ. 2021-02-06T06:41:28.92 0.3 undecidable manual P 303 14.9739 93 0.21 71
IV.EMPL.HHZ. 2021-02-06T06:41:27.12 0.1 positive manual P 199 8.3805 95 -0.27 95
IV.EMCN.HHN. 2021-02-06T06:41:27.81 0.6 undecidable manual S 33 5.2947 98 0.24 48
IV.EMNR.HHZ. 2021-02-06T06:41:27.03 0.1 undecidable manual P 17 7.6812 96 -0.21 96
IV.EPIT.HHZ. 2021-02-06T06:41:27.35 0.1 positive manual P 36 8.2806 95 -0.02 100
IV.ECZM.HHN. 2021-02-06T06:41:27.15 0.1 undecidable manual P 256 8.7801 95 -0.31 94
IV.ECBD.HHN. 2021-02-06T06:41:27.28 0.1 undecidable manual P 67 8.1807 95 -0.07 99
IV.EMFO.HHE. 2021-02-06T06:41:27.02 0.1 undecidable manual P 102 7.9809 95 -0.3 95
IV.EMFS.HHE. 2021-02-06T06:41:27.08 0.6 undecidable manual S 184 3.4965 102 0.15 49
IV.ECHR.HHE. 2021-02-06T06:41:27.71 0.3 undecidable manual P 227 10.4784 94 -0.1 74
IV.EMNR.HHZ. 2021-02-06T06:41:27.79 0.6 undecidable manual S 17 7.6812 96 -0.58 44
IV.EMSG.HHZ. 2021-02-06T06:41:27.46 0.1 undecidable manual P 330 8.9799 95 -0.04 100
IV.EMFS.HHE. 2021-02-06T06:41:26.13 0.1 undecidable manual P 184 3.4965 102 -0.28 96
IV.EMCN.HHN. 2021-02-06T06:41:26.54 0.1 undecidable manual P 33 5.2947 98 -0.24 96
IV.ESVO.HHE. 2021-02-06T06:41:26.29 0.1 undecidable manual P 298 5.2947 98 -0.49 91
IV.ECPN.HHZ. 2021-02-06T06:41:26.32 0.6 undecidable manual S 238 1.4985 117 0.05 50
IV.ESPC.HHN. 2021-02-06T06:41:26.80 0.1 undecidable manual P 160 6.8931 96 -0.28 95
IV.ECNE.HHN. 2021-02-06T06:41:26.42 0.6 undecidable manual S 4 1.5984 115 0.1 50
IV.ESLN.HHZ. 2021-02-06T06:41:26.75 0.1 undecidable manual P 200 6.7932 96 -0.31 94
IV.ECNE.HHN. 2021-02-06T06:41:25.77 0.1 undecidable manual P 4 1.5984 115 -0.29 96
IV.ECPN.HHZ. 2021-02-06T06:41:25.70 0.1 undecidable manual P 238 1.4985 117 -0.33 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ESAL.HHE. ML:2.3 0.003475 0.9 AML other m 2021-02-06T06:41:34.04
IV.EVRN.HNN. ML:2.2 0.002235 0.24 AML other m 2021-02-06T06:41:34.57
IV.EVRN.HHE. ML:2.2 0.0022949999999999997 0.24 AML other m 2021-02-06T06:41:34.66
IV.EVRN.HNE. ML:2.2 0.0022 0.26 AML other m 2021-02-06T06:41:34.78
IV.EPZF.HHN. ML:2.6 0.004735 0.44 AML other m 2021-02-06T06:41:35.28
IV.ENIC.HHE. ML:2.4 0.0033250000000000003 1.1 AML other m 2021-02-06T06:41:35.89
IV.ENIC.HNE. ML:2.5 0.0042699999999999995 0.18 AML other m 2021-02-06T06:41:35.44
IV.ENIC.HHN. ML:2.5 0.00397 0.26 AML other m 2021-02-06T06:41:36.13
IV.ENIC.HNN. ML:2.4 0.00375 0.2 AML other m 2021-02-06T06:41:36.15
IV.ESAL.HHN. ML:2.3 0.0028599999999999997 0.3 AML other m 2021-02-06T06:41:36.53
IV.EPZF.HHE. ML:2.3 0.0021550000000000002 1.54 AML other m 2021-02-06T06:41:37.00
IV.EVRN.HHN. ML:2.2 0.0022400000000000002 0.26 AML other m 2021-02-06T06:41:37.44
IV.EFIU.HHN. ML:2.3 0.00173 1.22 AML other m 2021-02-06T06:41:38.08
IV.EFIU.HHE. ML:2.1 0.0012850000000000001 0.88 AML other m 2021-02-06T06:41:38.73
IV.AIO.HHN. ML:1.8 0.000284 0.48 AML other m 2021-02-06T06:41:40.28
IV.MUCR.HHN. ML:2.0 0.00041749999999999996 0.54 AML other m 2021-02-06T06:41:41.76
IV.MUCR.HHE. ML:1.8 0.000248 0.94 AML other m 2021-02-06T06:41:41.53
IV.AIO.HHE. ML:1.6 0.000217 1.56 AML other m 2021-02-06T06:41:44.18
IV.GALF.HHE. ML:2.3 0.000797 0.42 AML other m 2021-02-06T06:41:50.46
IV.GALF.HHN. ML:2.4 0.001019 1.36 AML other m 2021-02-06T06:41:51.98
IV.IVPL.HHN. ML:2.1 0.000214 1.34 AML other m 2021-02-06T06:41:56.88
IV.IVPL.HHE. ML:2.0 0.0001785 1.32 AML other m 2021-02-06T06:41:59.94
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