Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 25-01-2021 and time 19:23:28 (Italy) in region 7 km W Linguaglossa (CT)

A magnitude ML 2.3 earthquake occured in region: 7 km W Linguaglossa (CT), on

  • 25-01-2021 18:23:28 (UTC)
  • 25-01-2021 19:23:28 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.8280, 15.0710 at 25 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
Linguaglossa CT 7 5403 5403
Castiglione di Sicilia CT 8 3215 8618
Moio Alcantara ME 8 717 9335
Piedimonte Etneo CT 10 3963 13298
Francavilla di Sicilia ME 10 3945 17243
Malvagna ME 10 733 17976
Sant'Alfio CT 11 1582 19558
Motta Camastra ME 12 845 20403
Milo CT 12 1087 21490
Randazzo CT 12 10900 32390
Fiumefreddo di Sicilia CT 13 9623 42013
Roccella Valdemone ME 13 666 42679
Mascali CT 13 14282 56961
Santa Domenica Vittoria ME 14 980 57941
Gaggi ME 14 3184 61125
Calatabiano CT 14 5308 66433
Giarre CT 15 27659 94092
Zafferana Etnea CT 15 9517 103609
Graniti ME 16 1492 105101
Riposto CT 16 14838 119939
Santa Venerina CT 17 8592 128531
Maletto CT 18 3920 132451
Giardini-Naxos ME 18 9415 141866
Castelmola ME 18 1088 142954
Taormina ME 19 10960 153914
Fondachelli-Fantina ME 20 1019 154933
Mongiuffi Melia ME 20 600 155533

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km NW of Acireale (52622 inhabitants)
36 Km N of Catania (314555 inhabitants)
59 Km SW of Messina (238439 inhabitants)
59 Km SW of Reggio di Calabria (183035 inhabitants)
88 Km N of Siracusa (122291 inhabitants)
96 Km E of Caltanissetta (63360 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 2021-01-25
18:23:28		 37.8282 15.071 25 2021-07-12
16:55:01		 Bollettino Sismico Italiano INGV 87782161
Reviewed
Rev200 		ML 2.0 2021-01-25
18:23:27		 37.818 15.031 23 2021-03-05
15:14:41		 Sala Operativa INGV_OE (Catania) 86571371
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-01-25 18:23:28 ± 0.12
Latitude 37.8282 ± 0.0054
Longitude 15.0710 ± 0.0091
Depth (km) 25 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 87782161

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 632
Semi-minor axis of confidence ellipse (meter) 465
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 71
Circular confidence region, given by single value of horizontal uncertainty (meter) 630.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 67
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) 0.02068
Epicentral distance of station farthest from the epicenter (degree) 0.89842
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 28
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 87782161
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-03-05 15:14:26

ML:2.0

Field Value
Value 2.0
Uncertainty 0.4
Num. used stations
Type of magnitude ML
Reference to an origin 86571371
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2021-01-25 18:46:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HMDC.HHZ. 2021-01-25T18:23:57.97 0.6 undecidable manual S 195 99.7224 99 0.23 40
IV.SSY.HHZ. 2021-01-25T18:23:51.53 0.6 undecidable manual S 180 74.37 103 0.43 40
IV.HAGA.HHZ. 2021-01-25T18:23:47.78 0.3 undecidable manual S 173 60.6948 106 0.22 65
IV.HCRL.HHZ. 2021-01-25T18:23:47.62 0.6 undecidable manual S 183 60.5949 106 0.09 45
IV.HLNI.HHZ. 2021-01-25T18:23:45.93 0.6 undecidable manual S 198 55.9995 107 -0.43 43
IV.MSFR.HHZ. 2021-01-25T18:23:44.37 0.6 undecidable manual S 299 47.7189 111 0.09 47
IV.HMDC.HHZ. 2021-01-25T18:23:44.65 0.3 undecidable manual P 195 99.7224 99 -0.68 54
IV.SSY.HHZ. 2021-01-25T18:23:41.29 0.1 undecidable manual P 180 74.37 103 -0.21 86
IV.HCRL.HHZ. 2021-01-25T18:23:39.15 0.3 undecidable manual P 183 60.5949 106 -0.28 65
IV.ESCV.HHN. 2021-01-25T18:23:39.15 0.6 undecidable manual S 248 24.1536 131 0.35 46
IV.HAGA.HHZ. 2021-01-25T18:23:39.12 0.3 undecidable manual P 173 60.6948 106 -0.34 65
IV.EVRN.HHZ. 2021-01-25T18:23:38.50 1.0 undecidable manual S 160 16.4724 143 1.12 17
IV.HLNI.HHZ. 2021-01-25T18:23:38.26 0.3 undecidable manual P 198 55.9995 107 -0.5 63
IV.AIO.HHZ. 2021-01-25T18:23:38.38 1.0 undecidable manual S 42 21.2676 135 0.15 24
IV.GALF.HHZ. 2021-01-25T18:23:38.48 0.3 undecidable manual P 254 46.1205 112 1.15 48
IV.EPZF.HHZ. 2021-01-25T18:23:37.78 0.6 undecidable manual S 269 18.7701 139 0.01 49
IV.ESAL.HHE. 2021-01-25T18:23:37.12 0.6 undecidable manual S 146 9.879 156 0.64 43
IV.MSFR.HHZ. 2021-01-25T18:23:37.81 0.1 undecidable manual P 299 47.7189 111 0.26 90
IV.MPNC.HHZ. 2021-01-25T18:23:37.56 0.3 undecidable manual P 35 43.0236 113 0.68 60
IV.EPIT.HHN. 2021-01-25T18:23:36.17 0.6 undecidable manual S 214 2.2977 174 0.22 49
IV.EMNR.HHZ. 2021-01-25T18:23:36.39 0.6 undecidable manual S 252 4.0959 169 0.37 47
IV.EMFO.HHE. 2021-01-25T18:23:36.72 0.6 undecidable manual S 171 10.3785 155 0.18 48
IV.ESPC.HHN. 2021-01-25T18:23:36.71 0.6 undecidable manual S 194 15.5733 144 -0.52 45
IV.ECTS.HHZ. 2021-01-25T18:23:35.73 0.3 undecidable manual S 36 7.3815 162 -0.51 67
IV.ECBD.HHN. 2021-01-25T18:23:35.68 0.6 undecidable manual S 166 5.4945 166 -0.42 46
IV.EMCN.HHZ. 2021-01-25T18:23:35.96 0.3 undecidable manual S 219 5.2947 167 -0.12 74
IV.EMSG.HHZ. 2021-01-25T18:23:35.60 1.0 undecidable manual S 266 10.6782 154 -0.97 18
IV.AIO.HHZ. 2021-01-25T18:23:34.34 0.3 undecidable manual P 42 21.2676 135 0.28 70
IV.ECZM.HHN. 2021-01-25T18:23:34.02 0.3 undecidable manual P 234 18.1707 140 0.28 70
IV.EPOZ.HHZ. 2021-01-25T18:23:34.36 0.3 undecidable manual P 149 20.1687 136 0.41 68
IV.MUCR.HHZ. 2021-01-25T18:23:34.79 0.3 undecidable manual P 324 29.4483 124 -0.25 68
IV.NOV.HHZ. 2021-01-25T18:23:34.29 0.3 undecidable manual P 15 22.8549 132 0.04 73
IV.ESCV.HHN. 2021-01-25T18:23:34.40 0.3 undecidable manual P 248 24.1536 131 0 73
IV.ESPC.HHN. 2021-01-25T18:23:33.15 0.3 undecidable manual P 194 15.5733 144 -0.34 70
IV.ESLN.HHZ. 2021-01-25T18:23:33.81 0.3 undecidable manual P 210 17.1717 141 0.17 72
IV.EPZF.HHZ. 2021-01-25T18:23:33.55 0.3 undecidable manual P 269 18.7701 139 -0.25 70
IV.ESAL.HHE. 2021-01-25T18:23:33.21 0.1 undecidable manual P 146 9.879 156 0.16 97
IV.EVRN.HHZ. 2021-01-25T18:23:33.84 0.3 undecidable manual P 160 16.4724 143 0.27 70
IV.ESVO.HHE. 2021-01-25T18:23:33.24 0.3 undecidable manual P 241 12.4764 150 0.01 75
IV.EFIU.HHE. 2021-01-25T18:23:33.24 0.1 undecidable manual P 109 12.9759 149 -0.03 99
IV.EMFO.HHE. 2021-01-25T18:23:33.23 0.1 undecidable manual P 171 10.3785 155 0.14 97
IV.EMCN.HHZ. 2021-01-25T18:23:32.70 0.3 undecidable manual P 219 5.2947 167 -0.12 74
IV.EMSG.HHZ. 2021-01-25T18:23:32.90 0.6 undecidable manual P 266 10.6782 154 -0.21 48
IV.EPIT.HHN. 2021-01-25T18:23:32.55 0.1 undecidable manual P 214 2.2977 174 -0.2 97
IV.EMNR.HHZ. 2021-01-25T18:23:32.68 0.1 undecidable manual P 252 4.0959 169 -0.11 99
IV.ECTS.HHZ. 2021-01-25T18:23:32.51 0.3 undecidable manual P 36 7.3815 162 -0.41 69
IV.ECBD.HHN. 2021-01-25T18:23:32.78 0.1 undecidable manual P 166 5.4945 166 -0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ECTS.HHE. ML:2.6 0.0022199999999999998 0.28 AML other m 2021-01-25T18:23:35.96
IV.ECTS.HHN. ML:2.1 0.0008425 1.44 AML other m 2021-01-25T18:23:36.91
IV.EPZF.HHE. ML:2.4 0.001335 0.48 AML other m 2021-01-25T18:23:38.39
IV.EPZF.HHN. ML:2.4 0.001246 0.26 AML other m 2021-01-25T18:23:38.38
IV.AIO.HHE. ML:1.8 0.0003185 1.72 AML other m 2021-01-25T18:23:39.97
IV.MUCR.HHN. ML:1.8 0.000249 0.76 AML other m 2021-01-25T18:23:40.52
IV.EVRN.HNN. ML:2.8 0.0031100000000000004 0.2 AML other m 2021-01-25T18:23:40.27
IV.AIO.HHN. ML:1.8 0.000315 1.52 AML other m 2021-01-25T18:23:40.88
IV.EVRN.HHN. ML:2.8 0.0029800000000000004 0.54 AML other m 2021-01-25T18:23:41.54
IV.MUCR.HHE. ML:1.8 0.0002235 0.3 AML other m 2021-01-25T18:23:42.05
IV.EVRN.HNE. ML:2.8 0.0029699999999999996 0.5 AML other m 2021-01-25T18:23:42.20
IV.EVRN.HHE. ML:2.8 0.003165 0.5 AML other m 2021-01-25T18:23:42.45
IV.MPNC.HHE. ML:2.0 0.000264 0.62 AML other m 2021-01-25T18:23:43.94
IV.HAGA.HHN. ML:2.1 0.000221 0.26 AML other m 2021-01-25T18:23:47.97
IV.MPNC.HHN. ML:1.9 0.00023199999999999997 0.68 AML other m 2021-01-25T18:23:47.64
IV.HAGA.HHE. ML:2.1 0.00022250000000000001 0.74 AML other m 2021-01-25T18:23:48.87
IV.HCRL.HHE. ML:2.2 0.00027400000000000005 0.12 AML other m 2021-01-25T18:23:48.57
IV.HCRL.HHN. ML:2.2 0.00027350000000000003 1.1 AML other m 2021-01-25T18:23:48.89
IV.SSY.HHE. ML:2.5 0.000453 0.3 AML other m 2021-01-25T18:23:55.41
IV.SSY.HHN. ML:3.0 0.00148 1.02 AML other m 2021-01-25T18:23:56.08
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