Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 13-02-2021 and time 14:39:32 (Italy) in region 4 km NE Ragalna (CT)

A magnitude ML 2.2 earthquake occured in region: 4 km NE Ragalna (CT), on

  • 13-02-2021 13:39:32 (UTC)
  • 13-02-2021 14:39:32 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.6640, 14.9610 at 5 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Ragalna CT 4 3924 3924
Nicolosi CT 8 7463 11387
Belpasso CT 8 28108 39495
Santa Maria di Licodia CT 8 7641 47136
Biancavilla CT 8 24007 71143
Pedara CT 10 14102 85245
Paternò CT 11 48228 133473
Adrano CT 11 36122 169595
Camporotondo Etneo CT 11 5023 174618
San Pietro Clarenza CT 12 7743 182361
Trecastagni CT 12 10910 193271
Mascalucia CT 13 31958 225229
Zafferana Etnea CT 13 9517 234746
Viagrande CT 13 8563 243309
Tremestieri Etneo CT 14 20589 263898
Gravina di Catania CT 15 25838 289736
Aci Bonaccorsi CT 15 3524 293260
San Giovanni la Punta CT 15 23060 316320
Milo CT 15 1087 317407
Sant'Agata li Battiati CT 16 9479 326886
Aci Sant'Antonio CT 16 17984 344870
Santa Venerina CT 16 8592 353462
Misterbianco CT 16 49410 402872
Motta Sant'Anastasia CT 17 12116 414988
San Gregorio di Catania CT 17 11966 426954
Valverde CT 17 7840 434794
Aci Catena CT 17 29851 464645
Bronte CT 18 19172 483817
Sant'Alfio CT 19 1582 485399
Acireale CT 19 52622 538021
Centuripe EN 20 5470 543491

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km W of Acireale (52622 inhabitants)
21 Km NW of Catania (314555 inhabitants)
73 Km NW of Siracusa (122291 inhabitants)
78 Km SW of Reggio di Calabria (183035 inhabitants)
79 Km SW of Messina (238439 inhabitants)
81 Km E of Caltanissetta (63360 inhabitants)
85 Km N of Ragusa (73313 inhabitants)
88 Km NE of Vittoria (63339 inhabitants)
91 Km N of Modica (54633 inhabitants)
91 Km NE of Gela (75827 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 2021-02-13
13:39:32		 37.6642 14.961 5 2021-07-12
16:55:14		 Bollettino Sismico Italiano INGV 90893461
Reviewed
Rev200 		ML 1.7 2021-02-13
13:39:31		 37.676 14.953 4 2021-06-07
10:27:43		 Sala Operativa INGV_OE (Catania) 87111901
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-02-13 13:39:32 ± 0.23
Latitude 37.6642 ± 0.0108
Longitude 14.9610 ± 0.0080
Depth (km) 5 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 90893461

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1207
Semi-minor axis of confidence ellipse (meter) 260
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 196
Circular confidence region, given by single value of horizontal uncertainty (meter) 1210.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 155
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.01619
Epicentral distance of station farthest from the epicenter (degree) 0.31566
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 16
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.1
Num. used stations 8
Type of magnitude ML
Reference to an origin 90893461
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-06-07 10:27:24

ML:1.7

Field Value
Value 1.7
Uncertainty 0.1
Num. used stations
Type of magnitude ML
Reference to an origin 87111901
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2021-02-13 13:52:00
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ESCV.HHZ. 2021-02-13T13:39:39.69 0.6 undecidable manual S 306 15.7731 108 1.75 23
IV.GALF.HHZ. 2021-02-13T13:39:39.79 0.3 undecidable manual P 279 35.0427 98 0.5 64
IV.EVRN.HHZ. 2021-02-13T13:39:38.23 0.6 undecidable manual S 80 15.5733 108 0.35 46
IV.EMSG.HHN. 2021-02-13T13:39:36.44 0.3 undecidable manual P 357 17.3715 106 0.61 64
IV.ECZM.HHN. 2021-02-13T13:39:36.22 0.6 undecidable manual S 326 8.9799 120 0.44 45
IV.ENIC.HHE. 2021-02-13T13:39:36.08 0.6 undecidable manual S 124 6.4935 128 1.03 36
IV.EPOZ.HHZ. 2021-02-13T13:39:36.95 0.3 undecidable manual P 87 19.9689 104 0.62 63
IV.EPIT.HHZ. 2021-02-13T13:39:36.23 0.3 undecidable manual P 27 18.3705 105 0.22 70
IV.ECBD.HHN. 2021-02-13T13:39:35.33 0.1 undecidable manual P 40 16.9719 107 -0.41 90
IV.EVRN.HHZ. 2021-02-13T13:39:35.21 0.3 undecidable manual P 80 15.5733 108 -0.27 70
IV.ESPC.HHN. 2021-02-13T13:39:35.30 0.6 undecidable manual S 62 6.5934 127 0.21 48
IV.ESCV.HHZ. 2021-02-13T13:39:35.17 0.3 undecidable manual P 306 15.7731 108 -0.34 69
IV.ESVO.HHE. 2021-02-13T13:39:35.16 0.1 undecidable manual P 354 12.1767 113 0.32 93
IV.EMFS.HHE. 2021-02-13T13:39:35.27 0.6 undecidable manual S 28 6.993 126 0.08 49
IV.EMFO.HHE. 2021-02-13T13:39:34.96 0.3 undecidable manual P 55 13.875 110 -0.19 71
IV.ESLN.HHZ. 2021-02-13T13:39:34.57 0.6 undecidable manual S 20 3.4965 146 0.24 48
IV.EMPL.HHZ. 2021-02-13T13:39:34.33 0.6 undecidable manual S 26 1.7982 160 0.26 48
IV.ECHR.HHE. 2021-02-13T13:39:34.67 0.6 undecidable manual S 300 4.8951 136 0.03 50
IV.EMFS.HHE. 2021-02-13T13:39:33.67 0.1 undecidable manual P 28 6.993 126 -0.25 95
IV.ECZM.HHN. 2021-02-13T13:39:33.89 0.1 undecidable manual P 326 8.9799 120 -0.37 92
IV.ESPC.HHN. 2021-02-13T13:39:33.57 0.1 undecidable manual P 62 6.5934 127 -0.3 94
IV.ENIC.HHE. 2021-02-13T13:39:33.85 0.1 undecidable manual P 124 6.4935 128 0.01 100
IV.ESLN.HHZ. 2021-02-13T13:39:33.04 0.1 undecidable manual P 20 3.4965 146 -0.39 93
IV.EMPL.HHZ. 2021-02-13T13:39:32.90 0.1 undecidable manual P 26 1.7982 160 -0.38 93
IV.ECHR.HHE. 2021-02-13T13:39:32.96 0.1 undecidable manual P 300 4.8951 136 -0.65 85
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EVRN.HHE. ML:2.2 0.0018649999999999997 0.74 AML other m 2021-02-13T13:39:38.47
IV.EVRN.HNE. ML:2.2 0.001515 0.76 AML other m 2021-02-13T13:39:38.47
IV.EVRN.HNN. ML:2.3 0.001995 0.44 AML other m 2021-02-13T13:39:38.70
IV.EVRN.HHN. ML:2.2 0.001865 0.18 AML other m 2021-02-13T13:39:39.45
IV.ESCV.HHN. ML:2.0 0.0011549054999999999 0.3776 AML other m 2021-02-13T13:39:41.78
IV.ESCV.HHE. ML:2.0 0.001004 0.24 AML other m 2021-02-13T13:39:43.45
IV.GALF.HHE. ML:2.2 0.0006215 0.48 AML other m 2021-02-13T13:39:51.53
IV.GALF.HHN. ML:2.2 0.0006285 0.7 AML other m 2021-02-13T13:39:54.54
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