Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 28-01-2021 and time 23:41:06 (Italy) in region 5 km E Maletto (CT)

A magnitude ML 2.2 earthquake occured in region: 5 km E Maletto (CT), on

  • 28-01-2021 22:41:06 (UTC)
  • 28-01-2021 23:41:06 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.8440, 14.9170 at 29 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
Maletto CT 5 3920 3920
Randazzo CT 5 10900 14820
Santa Domenica Vittoria ME 9 980 15800
Bronte CT 10 19172 34972
Maniace CT 10 3765 38737
Roccella Valdemone ME 13 666 39403
Moio Alcantara ME 13 717 40120
Malvagna ME 15 733 40853
Floresta ME 16 485 41338
Cesarò ME 18 2439 43777
Castiglione di Sicilia CT 19 3215 46992
San Teodoro ME 19 1403 48395

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km NW of Acireale (52622 inhabitants)
41 Km NW of Catania (314555 inhabitants)
68 Km SW of Messina (238439 inhabitants)
70 Km W of Reggio di Calabria (183035 inhabitants)
85 Km E of Caltanissetta (63360 inhabitants)
93 Km NW of Siracusa (122291 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 2021-01-28
22:41:06		 37.844 14.9167 29 2021-07-12
16:54:59		 Bollettino Sismico Italiano INGV 87233521
Reviewed
Rev200 		ML 2.1 2021-01-28
22:41:07		 37.881 14.911 23 2021-03-15
15:36:11		 Sala Operativa INGV_OE (Catania) 86666181
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-01-28 22:41:06 ± 0.13
Latitude 37.8440 ± 0.0054
Longitude 14.9167 ± 0.0091
Depth (km) 29 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 87233521

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 746
Semi-minor axis of confidence ellipse (meter) 356
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 82
Circular confidence region, given by single value of horizontal uncertainty (meter) 750.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 43
Number of associated phases, regardless of their use for origin computation 47
Number of defining phases 47
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) 0.03507
Epicentral distance of station farthest from the epicenter (degree) 0.92540
Number of stations at which the event was observed 34
Number of stations from which data was used for origin computation 34
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.2
Num. used stations 24
Type of magnitude ML
Reference to an origin 87233521
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-03-15 15:36:00

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 86666181
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2021-01-28 22:53:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HAVL.HHZ. 2021-01-28T22:41:36.24 0.6 undecidable manual S 169 99.7224 102 -0.3 41
IV.SSY.HHZ. 2021-01-28T22:41:30.95 0.6 undecidable manual S 170 77.367 105 0.22 42
IV.HCRL.HHZ. 2021-01-28T22:41:27.03 0.6 undecidable manual S 171 63.0924 109 -0.05 46
IV.HAGA.HHZ. 2021-01-28T22:41:27.52 0.6 undecidable manual S 161 65.49 109 -0.17 45
IV.SCIAR.HHZ. 2021-01-28T22:41:25.45 0.3 undecidable manual P 276 102.7194 101 0.95 49
IV.HLNI.HHZ. 2021-01-28T22:41:24.82 0.6 undecidable manual S 184 55.1004 112 -0.28 44
IV.HAVL.HHZ. 2021-01-28T22:41:23.56 0.1 undecidable manual P 169 99.7224 102 -0.48 78
IV.MSFR.HHZ. 2021-01-28T22:41:20.17 0.6 undecidable manual S 307 35.4423 124 -0.28 44
IV.MSRU.HHZ. 2021-01-28T22:41:20.12 0.3 undecidable manual P 48 69.5748 107 0.58 59
IV.SSY.HHZ. 2021-01-28T22:41:20.39 0.1 undecidable manual P 170 77.367 105 -0.3 85
IV.AIO.HHZ. 2021-01-28T22:41:19.44 0.6 undecidable manual S 63 31.0467 128 -0.08 48
IV.HAGA.HHZ. 2021-01-28T22:41:18.56 0.1 undecidable manual P 161 65.49 109 -0.37 85
IV.NOV.HHZ. 2021-01-28T22:41:18.80 0.6 undecidable manual S 43 28.0497 132 -0.1 48
IV.HCRL.HHZ. 2021-01-28T22:41:18.23 0.1 positive manual P 171 63.0924 109 -0.35 86
IV.MUCR.HHZ. 2021-01-28T22:41:17.26 0.6 undecidable manual S 350 22.3554 139 -0.57 41
IV.ECTS.HHZ. 2021-01-28T22:41:17.10 0.6 undecidable manual S 77 18.3705 144 -0.06 49
IV.ESPC.HHN. 2021-01-28T22:41:17.13 0.6 undecidable manual S 150 19.3695 143 -0.19 48
IV.MILZ.HHZ. 2021-01-28T22:41:17.68 0.3 undecidable manual P 30 54.8007 112 0.29 66
IV.HLNI.HHZ. 2021-01-28T22:41:17.02 0.1 undecidable manual P 184 55.1004 112 -0.41 86
IV.MPNC.HHZ. 2021-01-28T22:41:16.85 0.3 undecidable manual P 49 50.8158 114 0.03 70
IV.CAGR.HHE. 2021-01-28T22:41:16.74 0.3 undecidable manual P 236 44.1225 118 0.84 56
IV.ESVO.HHZ. 2021-01-28T22:41:16.58 0.6 undecidable manual S 161 8.2806 163 0.62 44
IV.EPZF.HHZ. 2021-01-28T22:41:15.93 0.6 undecidable manual S 247 5.6943 168 0.16 50
IV.GALF.HHZ. 2021-01-28T22:41:15.35 0.6 undecidable manual P 244 34.0437 126 0.77 40
IV.ESML.HHZ. 2021-01-28T22:41:14.06 0.3 undecidable manual P 187 25.2525 135 0.52 66
IV.MSFR.HHZ. 2021-01-28T22:41:14.56 0.1 negative manual P 307 35.4423 124 -0.19 91
IV.EPOZ.HHZ. 2021-01-28T22:41:14.56 0.3 undecidable manual P 129 30.5472 129 0.41 66
IV.AIO.HHZ. 2021-01-28T22:41:14.08 0.1 negative manual P 63 31.0467 128 -0.14 95
IV.EMFO.HHE. 2021-01-28T22:41:13.59 0.3 undecidable manual P 128 19.3695 143 0.65 63
IV.ECBD.HHZ. 2021-01-28T22:41:13.03 0.3 undecidable manual P 115 16.4724 148 0.34 69
IV.NOV.HHZ. 2021-01-28T22:41:13.74 0.3 undecidable manual P 43 28.0497 132 -0.11 71
IV.EMPL.HHZ. 2021-01-28T22:41:13.15 0.6 undecidable manual P 166 18.87 144 0.25 47
IV.ENIC.HHE. 2021-01-28T22:41:13.44 0.6 undecidable manual P 159 25.3524 135 -0.11 48
IV.ESAL.HHE. 2021-01-28T22:41:13.44 0.3 undecidable manual P 117 21.4674 140 0.29 70
IV.EVRN.HHZ. 2021-01-28T22:41:13.93 0.3 undecidable manual P 132 25.752 134 0.33 68
IV.EFIU.HHZ. 2021-01-28T22:41:13.64 0.3 undecidable manual P 103 26.4513 133 -0.03 73
IV.EMCN.HNZ. 2021-01-28T22:41:12.33 0.1 undecidable manual P 120 11.7771 156 -0.02 100
IV.ESPC.HHN. 2021-01-28T22:41:12.69 0.3 undecidable manual P 150 19.3695 143 -0.26 71
IV.ESCV.HHN. 2021-01-28T22:41:12.37 0.3 undecidable manual P 220 13.9749 152 -0.13 73
IV.ESVO.HHZ. 2021-01-28T22:41:12.18 0.3 undecidable manual P 161 8.2806 163 0.02 76
IV.EPIT.HHZ. 2021-01-28T22:41:12.49 0.1 negative manual P 106 12.7761 154 0.08 99
IV.EMNR.HHZ. 2021-01-28T22:41:12.32 0.1 undecidable manual P 107 10.0788 159 0.08 99
IV.ECTS.HHZ. 2021-01-28T22:41:12.58 0.1 negative manual P 77 18.3705 144 -0.28 94
IV.ECZM.HHN. 2021-01-28T22:41:12.56 0.3 undecidable manual P 185 12.5763 154 0.17 73
IV.MUCR.HHZ. 2021-01-28T22:41:12.74 0.1 positive manual P 350 22.3554 139 -0.5 87
IV.EPZF.HHZ. 2021-01-28T22:41:11.78 0.1 positive manual P 247 5.6943 168 -0.27 95
IV.EMSG.HHZ. 2021-01-28T22:41:11.82 0.1 negative manual P 132 3.8961 172 -0.18 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EPZF.HHE. ML:2.5 0.001565 0.32 AML other m 2021-01-28T22:41:16.26
IV.EPZF.HHN. ML:2.7 0.002855 1.12 AML other m 2021-01-28T22:41:16.67
IV.ECTS.HHE. ML:2.1 0.00052912095 0.5632 AML other m 2021-01-28T22:41:17.44
IV.ECTS.HHN. ML:2.0 0.000415167 0.768 AML other m 2021-01-28T22:41:17.19
IV.MUCR.HHE. ML:2.2 0.0006094999999999999 0.28 AML other m 2021-01-28T22:41:17.61
IV.MUCR.HHN. ML:2.5 0.00131 0.38 AML other m 2021-01-28T22:41:17.86
IV.NOV.HHE. ML:2.4 0.00090458825 0.3072 AML other m 2021-01-28T22:41:18.95
IV.NOV.HHN. ML:2.2 0.0005825517 0.3584 AML other m 2021-01-28T22:41:18.99
IV.ESML.HHE. ML:2.0 0.000384 0.58 AML other m 2021-01-28T22:41:19.84
IV.AIO.HHN. ML:1.7 0.0001649148 0.2176 AML other m 2021-01-28T22:41:19.90
IV.MSFR.HHE. ML:1.7 0.000155 0.54 AML other m 2021-01-28T22:41:20.69
IV.AIO.HHE. ML:1.9 0.00026219484999999996 0.384 AML other m 2021-01-28T22:41:20.59
IV.MSFR.HHN. ML:1.8 0.0001995 0.38 AML other m 2021-01-28T22:41:20.98
IV.HLNI.HHE. ML:2.2 0.00034250000000000003 0.48 AML other m 2021-01-28T22:41:25.42
IV.HLNI.HHN. ML:2.2 0.000303 0.12 AML other m 2021-01-28T22:41:25.36
IV.MPNC.HHN. ML:1.8 0.0001537094 1.4208 AML other m 2021-01-28T22:41:25.93
IV.HCRL.HHE. ML:2.3 0.000365 0.48 AML other m 2021-01-28T22:41:27.64
IV.HCRL.HHN. ML:2.4 0.0004685 0.8 AML other m 2021-01-28T22:41:27.36
IV.HAGA.HHE. ML:2.2 0.0002575 0.66 AML other m 2021-01-28T22:41:28.28
IV.HAGA.HHN. ML:2.3 0.0003265 1.16 AML other m 2021-01-28T22:41:28.96
IV.MSRU.HHN. ML:2.0 0.00014851215 0.7808 AML other m 2021-01-28T22:41:30.96
IV.MSRU.HHE. ML:2.0 0.0001482956 0.9856 AML other m 2021-01-28T22:41:30.67
IV.HAVL.HHE. ML:2.2 0.0001483748 0.7552 AML other m 2021-01-28T22:41:37.59
IV.HAVL.HHN. ML:2.4 0.00021586755 0.3456 AML other m 2021-01-28T22:41:37.46
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