Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.4 on date 21-07-2020 and time 02:45:21 (Italy) in region 2 km E Paternò (CT)

A magnitude ML 2.4 earthquake occured in region: 2 km E Paternò (CT), on

  • 21-07-2020 00:45:21 (UTC)
  • 21-07-2020 02:45:21 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.5780, 14.9240 at 8 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
Paternò CT 2 48228 48228
Belpasso CT 5 28108 76336
Santa Maria di Licodia CT 6 7641 83977
Ragalna CT 6 3924 87901
Camporotondo Etneo CT 7 5023 92924
Motta Sant'Anastasia CT 8 12116 105040
Biancavilla CT 9 24007 129047
San Pietro Clarenza CT 9 7743 136790
Misterbianco CT 10 49410 186200
Nicolosi CT 10 7463 193663
Mascalucia CT 11 31958 225621
Gravina di Catania CT 12 25838 251459
Adrano CT 12 36122 287581
Pedara CT 13 14102 301683
Tremestieri Etneo CT 13 20589 322272
Sant'Agata li Battiati CT 14 9479 331751
Trecastagni CT 14 10910 342661
San Giovanni la Punta CT 15 23060 365721
Viagrande CT 16 8563 374284
San Gregorio di Catania CT 16 11966 386250
Aci Bonaccorsi CT 17 3524 389774
Catania CT 17 314555 704329
Centuripe EN 17 5470 709799
Valverde CT 18 7840 717639
Aci Sant'Antonio CT 18 17984 735623
Aci Catena CT 20 29851 765474
Aci Castello CT 20 18723 784197

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km NW of Catania (314555 inhabitants)
22 Km W of Acireale (52622 inhabitants)
66 Km NW of Siracusa (122291 inhabitants)
74 Km N of Ragusa (73313 inhabitants)
77 Km E of Caltanissetta (63360 inhabitants)
78 Km NE of Vittoria (63339 inhabitants)
81 Km N of Modica (54633 inhabitants)
82 Km NE of Gela (75827 inhabitants)
87 Km SW of Reggio di Calabria (183035 inhabitants)
88 Km SW of Messina (238439 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 2.4 2020-07-21
00:45:21		 37.5775 14.9243 9 2020-11-19
12:37:00		 Bollettino Sismico Italiano INGV 82712261
Reviewed
Rev200 		ML 1.8 2020-07-21
00:45:23		 37.625 14.949 0 2020-09-18
19:19:54		 Sala Operativa INGV_OE (Catania) 81205201
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-07-21 00:45:21 ± 0.15
Latitude 37.5775 ± 0.0072
Longitude 14.9243 ± 0.0102
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 82712261

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 774
Semi-minor axis of confidence ellipse (meter) 759
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 312
Circular confidence region, given by single value of horizontal uncertainty (meter) 770.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 82
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.42
Epicentral distance of station closest to the epicenter (degree) 0.05396
Epicentral distance of station farthest from the epicenter (degree) 0.57017
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 20
Magnitudes information

ML:2.4

Field Value
Value 2.4
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 82712261
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-09-08 11:08:18

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 81205201
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2020-07-21 01:10:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RAFF.HHZ. 2020-07-21T00:45:35.35 1.0 undecidable manual P 232 63.2922 38 -0.64 21
IV.MUCR.HHE. 2020-07-21T00:45:34.21 0.3 undecidable manual P 355 51.8037 38 0.61 65
IV.MEU.EHN. 2020-07-21T00:45:34.44 0.3 undecidable manual P 189 52.4031 38 0.72 62
IV.MSFR.HHZ. 2020-07-21T00:45:34.74 0.6 undecidable manual P 330 58.3971 38 -0.24 47
IV.AIO.HHE. 2020-07-21T00:45:33.12 0.6 undecidable manual P 32 51.4152 38 -0.39 46
IV.SSY.HNN. 2020-07-21T00:45:32.76 0.6 undecidable manual P 164 48.4182 50 -1.45 29
IV.EFIU.HHE. 2020-07-21T00:45:30.77 0.3 undecidable manual P 47 34.4433 50 0.06 76
IV.GALF.HHZ. 2020-07-21T00:45:30.28 0.6 undecidable manual P 295 34.743 50 -0.51 46
IV.HAGA.HHZ. 2020-07-21T00:45:30.61 0.3 undecidable manual P 148 38.3283 50 -1.07 54
IV.HLNI.HHE. 2020-07-21T00:45:29.02 0.3 undecidable manual P 190 25.8519 50 0.47 71
IV.ESLN.HHZ. 2020-07-21T00:45:29.00 0.6 undecidable manual S 19 13.5753 122 -0.14 52
IV.EPOZ.HHZ. 2020-07-21T00:45:29.71 0.3 undecidable manual P 66 25.4523 50 1.24 51
IV.EMSG.HHN. 2020-07-21T00:45:28.64 0.6 undecidable manual P 5 27.0507 50 -0.23 50
IV.EVRN.HHZ. 2020-07-21T00:45:28.27 0.6 negative manual P 56 22.3554 50 0.59 46
IV.EPIT.HHN. 2020-07-21T00:45:28.99 0.6 undecidable manual P 24 28.4493 50 -0.22 50
IV.ECBD.HHN. 2020-07-21T00:45:28.76 0.6 undecidable manual P 32 26.6511 50 0 52
IV.ECHR.HHE. 2020-07-21T00:45:28.40 0.6 undecidable manual S 355 12.0768 125 -0.18 52
IV.EPZF.HHZ. 2020-07-21T00:45:28.84 0.6 undecidable manual P 348 27.9498 50 -0.26 49
IV.ENIC.HHZ. 2020-07-21T00:45:27.80 0.6 undecidable manual S 55 10.4784 129 -0.17 52
IV.ESML.HHZ. 2020-07-21T00:45:26.90 0.3 undecidable manual S 319 5.994 145 0.32 76
IV.ENIC.HHZ. 2020-07-21T00:45:25.53 0.3 negative manual P 55 10.4784 129 0.14 78
IV.ECHR.HHE. 2020-07-21T00:45:25.61 0.3 undecidable manual P 355 12.0768 125 -0.14 78
IV.ESLN.HHZ. 2020-07-21T00:45:25.59 0.1 undecidable manual P 19 13.5753 122 -0.48 96
IV.ESML.HHZ. 2020-07-21T00:45:24.96 0.1 positive manual P 319 5.994 145 0.37 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ESML.HHE. ML:2.4 0.0046190025 0.38 AML other m 2020-07-21T00:45:28.18
IV.ESML.HHN. ML:2.3 0.0034825445 0.64 AML other m 2020-07-21T00:45:28.78
IV.ENIC.HHN. ML:2.6 0.0051245425 0.34 AML other m 2020-07-21T00:45:32.88
IV.ENIC.HNN. ML:2.6 0.0059970985 0.57 AML other m 2020-07-21T00:45:32.91
IV.ESLN.HHN. ML:2.5 0.003157304 0.56 AML other m 2020-07-21T00:45:34.16
IV.ESLN.HHE. ML:2.6 0.003886259 0.78 AML other m 2020-07-21T00:45:33.76
IV.ENIC.HHE. ML:2.7 0.0065611065 0.46 AML other m 2020-07-21T00:45:33.93
IV.ENIC.HNE. ML:2.6 0.006045025 0.45 AML other m 2020-07-21T00:45:33.95
IV.EVRN.HHE. ML:2.0 0.0006545699999999999 0.5 AML other m 2020-07-21T00:45:38.68
IV.EVRN.HNN. ML:2.0 0.0007513395499999999 0.66 AML other m 2020-07-21T00:45:40.12
IV.EVRN.HNE. ML:2.0 0.0006910320999999999 0.36 AML other m 2020-07-21T00:45:41.03
IV.EVRN.HHN. ML:2.1 0.0008054588000000001 0.8 AML other m 2020-07-21T00:45:42.32
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