Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 27-09-2020 and time 20:37:49 (Italy) in region 3 km SW Linguaglossa (CT)

A magnitude ML 2.2 earthquake occured in region: 3 km SW Linguaglossa (CT), on

  • 27-09-2020 18:37:49 (UTC)
  • 27-09-2020 20:37:49 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.8150, 15.1270 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
Linguaglossa CT 3 5403 5403
Piedimonte Etneo CT 5 3963 9366
Fiumefreddo di Sicilia CT 8 9623 18989
Castiglione di Sicilia CT 8 3215 22204
Sant'Alfio CT 8 1582 23786
Mascali CT 9 14282 38068
Calatabiano CT 9 5308 43376
Gaggi ME 10 3184 46560
Francavilla di Sicilia ME 10 3945 50505
Motta Camastra ME 10 845 51350
Milo CT 10 1087 52437
Giarre CT 11 27659 80096
Riposto CT 11 14838 94934
Moio Alcantara ME 12 717 95651
Graniti ME 12 1492 97143
Malvagna ME 13 733 97876
Zafferana Etnea CT 13 9517 107393
Giardini-Naxos ME 14 9415 116808
Castelmola ME 14 1088 117896
Santa Venerina CT 14 8592 126488
Taormina ME 14 10960 137448
Mongiuffi Melia ME 17 600 138048
Roccella Valdemone ME 17 666 138714
Letojanni ME 17 2861 141575
Randazzo CT 17 10900 152475
Gallodoro ME 18 367 152842
Roccafiorita ME 18 197 153039
Santa Domenica Vittoria ME 18 980 154019
Limina ME 19 836 154855
Fondachelli-Fantina ME 20 1019 155874

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km N of Acireale (52622 inhabitants)
35 Km N of Catania (314555 inhabitants)
56 Km SW of Reggio di Calabria (183035 inhabitants)
57 Km SW of Messina (238439 inhabitants)
85 Km N 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 2020-09-27
18:37:49		 37.8148 15.1273 1 2021-02-26
14:56:07		 Bollettino Sismico Italiano INGV 84966821
Reviewed
Rev200 		ML 2.3 2020-09-27
18:37:48		 37.815 15.134 1 2020-12-28
10:20:49		 Sala Operativa INGV_OE (Catania) 83309651
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-09-27 18:37:49 ± 0.14
Latitude 37.8148 ± 0.0063
Longitude 15.1273 ± 0.0080
Depth (km) 1 ± 5 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 84966821

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 720
Semi-minor axis of confidence ellipse (meter) 263
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 127
Circular confidence region, given by single value of horizontal uncertainty (meter) 720.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 77
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.38
Epicentral distance of station closest to the epicenter (degree) 0.04766
Epicentral distance of station farthest from the epicenter (degree) 0.53959
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.4
Num. used stations
Type of magnitude ML
Reference to an origin 83309651
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2020-09-27 18:44:00

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 84966821
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-12-28 10:20:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MSRU.HHE. 2020-09-27T18:38:01.16 1.0 undecidable manual P 34 59.8956 50 -0.09 23
IV.MPNC.HHN. 2020-09-27T18:37:57.06 0.6 undecidable manual P 28 41.7249 91 -0.58 42
IV.MUCR.HHZ. 2020-09-27T18:37:56.08 0.6 undecidable manual P 319 33.6441 91 0.05 49
IV.NOV.HHZ. 2020-09-27T18:37:54.08 0.3 undecidable manual P 2 23.6541 92 0.06 74
IV.EVRN.HHZ. 2020-09-27T18:37:54.56 0.6 undecidable manual S 177 13.9749 93 0.43 47
IV.EPZF.HHZ. 2020-09-27T18:37:54.06 0.3 undecidable manual P 273 23.6541 92 0.03 75
IV.AIO.HHZ. 2020-09-27T18:37:53.33 0.1 undecidable manual P 28 19.6692 92 0.11 99
IV.EPOZ.HHZ. 2020-09-27T18:37:53.10 0.6 undecidable manual P 161 16.7721 93 0.46 46
IV.EMCN.HHN. 2020-09-27T18:37:53.01 0.3 undecidable manual S 252 8.5803 95 0.72 64
IV.EFIU.HHE. 2020-09-27T18:37:52.60 0.6 undecidable manual S 111 7.7811 96 0.6 45
IV.EMSG.HHZ. 2020-09-27T18:37:52.85 0.3 undecidable manual P 272 15.5733 93 0.45 70
IV.ECTS.HHZ. 2020-09-27T18:37:52.66 0.6 undecidable manual S 356 7.4814 96 0.77 42
IV.EVRN.HHZ. 2020-09-27T18:37:52.19 0.1 undecidable manual P 177 13.9749 93 0.1 100
IV.EPIT.HHN. 2020-09-27T18:37:51.71 0.6 undecidable manual S 266 6.1938 97 0.26 49
IV.ECBD.HHN. 2020-09-27T18:37:50.61 0.6 undecidable manual S 223 5.2947 99 -0.52 46
IV.ECTS.HHZ. 2020-09-27T18:37:50.45 0.1 undecidable manual P 356 7.4814 96 -0.33 96
IV.EPIT.HHN. 2020-09-27T18:37:50.10 0.1 undecidable manual P 266 6.1938 97 -0.43 95
IV.EMCN.HHN. 2020-09-27T18:37:50.80 0.6 undecidable manual P 252 8.5803 95 -0.22 49
IV.EFIU.HHE. 2020-09-27T18:37:50.42 0.3 undecidable manual P 111 7.7811 96 -0.43 71
IV.ECBD.HHN. 2020-09-27T18:37:49.26 0.3 undecidable manual P 223 5.2947 99 -1.09 54
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.AIO.HHN. ML:2.0 0.0008873819000000001 0.4224 AML other m 2020-09-27T18:37:59.70
IV.AIO.HHE. ML:1.8 0.00052979465 0.448 AML other m 2020-09-27T18:37:59.87
IV.EVRN.HNE. ML:2.4 0.0034278104999999996 0.64 AML other m 2020-09-27T18:38:01.29
IV.EVRN.HHN. ML:2.5 0.0037594639999999997 0.4992 AML other m 2020-09-27T18:38:01.60
IV.EVRN.HNN. ML:2.5 0.0037888745 0.5376 AML other m 2020-09-27T18:38:01.60
IV.EVRN.HHE. ML:2.3 0.00273033 0.4352 AML other m 2020-09-27T18:38:02.36
IV.MUCR.HHE. ML:1.8 0.0002782662 0.4096 AML other m 2020-09-27T18:38:03.33
IV.EMSG.HHE. ML:2.4 0.0026825915 0.8064 AML other m 2020-09-27T18:38:04.06
IV.MUCR.HHN. ML:1.9 0.0003677469 0.4608 AML other m 2020-09-27T18:38:05.71
IV.EMSG.HHN. ML:2.4 0.002841187 0.5632 AML other m 2020-09-27T18:38:06.31
IV.JOPP.HHE. ML:1.9 0.00006299984999999999 0.96 AML other m 2020-09-27T18:38:29.94
IV.JOPP.HHN. ML:2.0 0.00009010442999999999 1.1264 AML other m 2020-09-27T18:38:36.10
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