Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 27-02-2021 and time 14:32:56 (UTC) in region Castiglione di Sicilia (CT)

A magnitude ML 1.3 earthquake occured in region: Castiglione di Sicilia (CT), on

  • 27-02-2021 14:32:56 (UTC)
  • 27-02-2021 15:32:56 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.8870, 15.1260 at 12 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Castiglione di Sicilia CT 0 3215 3215
Francavilla di Sicilia ME 2 3945 7160
Motta Camastra ME 4 845 8005
Linguaglossa CT 5 5403 13408
Moio Alcantara ME 7 717 14125
Malvagna ME 7 733 14858
Gaggi ME 9 3184 18042
Graniti ME 9 1492 19534
Piedimonte Etneo CT 10 3963 23497
Roccella Valdemone ME 11 666 24163
Calatabiano CT 11 5308 29471
Fondachelli-Fantina ME 12 1019 30490
Fiumefreddo di Sicilia CT 13 9623 40113
Mongiuffi Melia ME 13 600 40713
Roccafiorita ME 14 197 40910
Castelmola ME 14 1088 41998
Giardini-Naxos ME 14 9415 51413
Limina ME 14 836 52249
Taormina ME 14 10960 63209
Novara di Sicilia ME 15 1337 64546
Antillo ME 15 919 65465
Santa Domenica Vittoria ME 15 980 66445
Gallodoro ME 15 367 66812
Mascali CT 16 14282 81094
Randazzo CT 16 10900 91994
Letojanni ME 16 2861 94855
Sant'Alfio CT 16 1582 96437
Milo CT 18 1087 97524
Giarre CT 18 27659 125183
Montalbano Elicona ME 18 2287 127470
Tripi ME 18 873 128343
Riposto CT 19 14838 143181
Forza d'Agrò ME 19 911 144092
Casalvecchio Siculo ME 19 842 144934
Sant'Alessio Siculo ME 20 1554 146488

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km N of Acireale (52622 inhabitants)
43 Km N of Catania (314555 inhabitants)
51 Km SW of Messina (238439 inhabitants)
52 Km SW of Reggio di Calabria (183035 inhabitants)
93 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
Reviewed
Rev100 		ML 1.3 2021-02-27
14:32:56		 37.887 15.1262 12 2021-02-27
14:40:17		 Sala Sismica INGV-Roma 87541891
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-02-27 14:32:56 ± 0.16
Latitude 37.8870 ± 0.0063
Longitude 15.1262 ± 0.0114
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 87541891

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1030
Semi-minor axis of confidence ellipse (meter) 600
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 125
Circular confidence region, given by single value of horizontal uncertainty (meter) 1030.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 151
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.25271
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.6
Num. used stations 10
Type of magnitude ML
Reference to an origin 87541891
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-02-27 14:40:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MUCR.HHZ. 2021-02-27T14:33:06.56 0.6 undecidable manual S 308 28.0497 92 -0.03 48
IV.ILOS.HHZ. 2021-02-27T14:33:03.00 3.0 undecidable manual P -0.21 0
IV.NOV.HHE. 2021-02-27T14:33:03.59 0.6 undecidable manual S 3 15.6732 100 0.3 47
IV.AIO.HHZ. 2021-02-27T14:33:02.87 0.3 undecidable manual S 45 13.1757 109 0.2 71
IV.EPIT.HHE. 2021-02-27T14:33:02.32 0.3 undecidable manual S 216 10.3785 122 0.34 70
IV.EMNR.HHE. 2021-02-27T14:33:02.70 0.3 undecidable manual S 228 11.6772 116 0.4 69
IV.ECBD.HHE. 2021-02-27T14:33:02.71 0.3 undecidable manual S 196 12.3765 113 0.26 70
IV.MUCR.HHZ. 2021-02-27T14:33:02.38 0.3 positive manual P 308 28.0497 92 -0.01 73
IV.NOV.HHE. 2021-02-27T14:33:00.42 0.1 undecidable manual P 3 15.6732 100 -0.06 100
IV.EMSG.HHE. 2021-02-27T14:33:00.46 0.1 undecidable manual P 245 17.0718 97 -0.25 96
IV.EMCN.HHE. 2021-02-27T14:33:00.13 1.0 undecidable manual P 217 13.3755 108 -0.02 25
IV.ECTS.HHZ. 2021-02-27T14:33:00.28 0.6 undecidable manual S 218 0.6993 175 -0.36 48
IV.AIO.HHZ. 2021-02-27T14:33:00.15 0.3 undecidable manual P 45 13.1757 109 0.03 73
IV.ECBD.HHE. 2021-02-27T14:32:59.88 0.3 undecidable manual P 196 12.3765 113 -0.12 75
IV.EPIT.HHE. 2021-02-27T14:32:59.62 0.1 undecidable manual P 216 10.3785 122 -0.11 100
IV.EMNR.HHE. 2021-02-27T14:32:59.76 0.3 undecidable manual P 228 11.6772 116 -0.15 74
IV.ECTS.HHZ. 2021-02-27T14:32:58.56 0.3 undecidable manual P 218 0.6993 175 -0.39 72
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ECTS.HHN. ML:1.2 0.00027100000000000003 0.22 AML other m 2021-02-27T14:33:00.42
IV.ECTS.HHE. ML:1.0 0.000173815 0.1408 AML other m 2021-02-27T14:33:00.44
IV.AIO.HHE. ML:1.1 0.000132 0.36 AML other m 2021-02-27T14:33:03.34
IV.AIO.HHN. ML:1.0 0.00011099649 0.16 AML other m 2021-02-27T14:33:03.16
IV.ILOS.HNE. ML:2.7 0.00102763545 0.0576 AML other m 2021-02-27T14:33:04.30
IV.ILOS.HHE. ML:2.7 0.00095649825 0.064 AML other m 2021-02-27T14:33:04.35
IV.ILOS.HHN. ML:2.6 0.0008048318 0.0576 AML other m 2021-02-27T14:33:05.61
IV.ILOS.HNN. ML:2.6 0.00075545855 0.0576 AML other m 2021-02-27T14:33:05.59
IV.MUCR.HHE. ML:0.9 0.00004163803 0.2176 AML other m 2021-02-27T14:33:06.80
IV.MUCR.HHN. ML:0.7 0.000023323895 0.32 AML other m 2021-02-27T14:33:08.36
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