Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 04-08-2022 and time 20:10:01 (Italy) in region 4 km N Nicolosi (CT)

A magnitude ML 2.0 earthquake occured in region: 4 km N Nicolosi (CT), on

  • 04-08-2022 18:10:01 (UTC)
  • 04-08-2022 20:10:01 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.6540, 15.0350 at 10 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
Nicolosi CT 4 7463 7463
Pedara CT 5 14102 21565
Trecastagni CT 6 10910 32475
Viagrande CT 7 8563 41038
Zafferana Etnea CT 8 9517 50555
Belpasso CT 9 28108 78663
Ragalna CT 9 3924 82587
Aci Bonaccorsi CT 9 3524 86111
San Pietro Clarenza CT 9 7743 93854
Mascalucia CT 9 31958 125812
Tremestieri Etneo CT 9 20589 146401
Aci Sant'Antonio CT 10 17984 164385
Camporotondo Etneo CT 10 5023 169408
San Giovanni la Punta CT 10 23060 192468
Santa Venerina CT 10 8592 201060
Gravina di Catania CT 11 25838 226898
Milo CT 11 1087 227985
Aci Catena CT 11 29851 257836
Sant'Agata li Battiati CT 11 9479 267315
Valverde CT 11 7840 275155
San Gregorio di Catania CT 12 11966 287121
Acireale CT 12 52622 339743
Santa Maria di Licodia CT 14 7641 347384
Sant'Alfio CT 14 1582 348966
Paternò CT 14 48228 397194
Aci Castello CT 15 18723 415917
Biancavilla CT 15 24007 439924
Misterbianco CT 15 49410 489334
Giarre CT 16 27659 516993
Motta Sant'Anastasia CT 17 12116 529109
Catania CT 17 314555 843664
Riposto CT 17 14838 858502
Adrano CT 18 36122 894624
Mascali CT 18 14282 908906

Municipalities with at least 50000 inhabitants

An earthquake occurred to
12 Km W of Acireale (52622 inhabitants)
17 Km N of Catania (314555 inhabitants)
70 Km NW of Siracusa (122291 inhabitants)
74 Km SW of Reggio di Calabria (183035 inhabitants)
76 Km SW of Messina (238439 inhabitants)
85 Km NE of Ragusa (73313 inhabitants)
88 Km E of Caltanissetta (63360 inhabitants)
90 Km NE of Vittoria (63339 inhabitants)
92 Km N of Modica (54633 inhabitants)
95 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 2.0 2022-08-04
18:10:01		 37.6538 15.0352 10 2023-01-31
19:03:39		 Bollettino Sismico Italiano INGV 109400941
Reviewed
Rev200 		ML 1.6 2022-08-04
18:10:00		 37.681 15.041 4 2022-10-19
09:05:43		 Sala Operativa INGV_OE (Catania) 108119891
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-08-04 18:10:01 ± 0.08
Latitude 37.6538 ± 0.0045
Longitude 15.0352 ± 0.0057
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 109400941

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 485
Semi-minor axis of confidence ellipse (meter) 439
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 77
Circular confidence region, given by single value of horizontal uncertainty (meter) 490.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 57
Number of associated phases, regardless of their use for origin computation 53
Number of defining phases 50
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.39
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.40919
Number of stations at which the event was observed 37
Number of stations from which data was used for origin computation 34
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 109400941
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-09-06 13:32:39

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 108119891
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2022-08-04 18:22:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FERC.HHZ.00 2022-08-04T18:10:21.16 3.0 undecidable manual P -1.01 0
IV.HAGA.HHZ. 2022-08-04T18:10:15.13 0.3 undecidable manual S 166 42.2244 50 -0.11 71
IV.AIO.HHE. 2022-08-04T18:10:15.41 0.3 undecidable manual S 26 39.2274 50 0.98 54
1J.FX14.HHZ.00 2022-08-04T18:10:14.32 3.0 undecidable manual P -0.7 0
IV.HLNI.HHZ. 2022-08-04T18:10:13.18 0.3 undecidable manual S 203 36.8298 50 -0.6 63
IV.EPMN.HHZ. 2022-08-04T18:10:10.42 0.3 undecidable manual S 34 22.2555 113 0.8 60
IV.MUCR.HHE. 2022-08-04T18:10:10.36 0.3 undecidable manual P 342 45.4212 50 0.57 63
IV.NOV.HHZ. 2022-08-04T18:10:09.46 0.3 undecidable manual P 12 42.4242 50 0.13 70
IV.HAGA.HHZ. 2022-08-04T18:10:09.21 0.3 undecidable manual P 166 42.2244 50 -0.09 71
IV.AIO.HHE. 2022-08-04T18:10:09.07 0.1 undecidable manual P 26 39.2274 50 0.23 92
IV.ESCV.HHN. 2022-08-04T18:10:09.78 0.3 undecidable manual S 298 21.867 114 0.28 71
IV.EMSG.HHZ. 2022-08-04T18:10:09.65 0.3 undecidable manual S 338 19.9689 116 0.76 61
IV.GALF.HHZ. 2022-08-04T18:10:09.49 0.3 undecidable manual P 279 41.625 50 0.28 68
IV.HCRL.HHN. 2022-08-04T18:10:08.60 0.3 undecidable manual P 180 41.1255 50 -0.53 64
IV.ESML.HNE. 2022-08-04T18:10:07.62 0.3 undecidable manual S 254 14.2746 124 0.45 69
IV.ECBD.HHN. 2022-08-04T18:10:07.03 0.1 undecidable manual S 18 14.6742 123 -0.27 96
IV.EMCN.HHN. 2022-08-04T18:10:07.09 0.3 undecidable manual S 359 15.2736 122 -0.36 70
IV.HLNI.HHZ. 2022-08-04T18:10:07.64 0.3 undecidable manual P 203 36.8298 50 -0.82 58
IV.EPOZ.HHZ. 2022-08-04T18:10:07.82 0.3 undecidable manual S 82 13.5753 125 0.83 60
IV.ESCV.HHN. 2022-08-04T18:10:06.25 0.1 undecidable manual P 298 21.867 114 0.26 95
IV.EMPL.HHZ. 2022-08-04T18:10:06.18 0.3 undecidable manual S 296 6.3936 147 0.98 57
IV.EMAS.HHZ. 2022-08-04T18:10:06.57 0.3 undecidable manual S 170 8.3805 139 0.93 58
IV.EPZF.HHZ. 2022-08-04T18:10:06.52 0.3 undecidable manual P 320 24.4533 112 0.05 74
IV.ECTS.HHZ. 2022-08-04T18:10:06.71 0.1 undecidable manual P 17 26.3514 110 -0.11 97
IV.EFIU.HHE. 2022-08-04T18:10:06.44 0.3 undecidable manual P 46 21.4674 114 0.52 67
IV.EMFO.HHE. 2022-08-04T18:10:05.29 0.3 undecidable manual S 28 10.2786 133 -0.8 61
IV.EMSG.HHZ. 2022-08-04T18:10:05.56 0.1 undecidable manual P 338 19.9689 116 -0.08 99
IV.EMNR.HHZ. 2022-08-04T18:10:05.20 0.3 undecidable manual P 357 18.0708 118 -0.1 74
1J.FX07.HHN. 2022-08-04T18:10:05.24 0.3 undecidable manual P 139 14.874 123 0.49 68
IV.ECNE.HHN. 2022-08-04T18:10:05.15 0.3 undecidable manual P 347 12.6762 127 0.76 62
IV.EPMN.HHZ. 2022-08-04T18:10:05.97 0.1 undecidable manual P 34 22.2555 113 -0.09 98
IV.EPIT.HHZ. 2022-08-04T18:10:05.24 0.1 undecidable manual P 6 17.5713 119 0.03 100
IV.FX08.HHZ. 2022-08-04T18:10:05.54 3.0 undecidable manual P 0
IV.EVRN.HHZ. 2022-08-04T18:10:05.73 0.3 undecidable manual S 66 9.6792 135 -0.2 73
IV.EMFS.HHE. 2022-08-04T18:10:05.31 0.1 undecidable manual S 336 7.9809 140 -0.24 97
IV.ECHR.HHE. 2022-08-04T18:10:04.30 0.1 undecidable manual P 289 11.2776 130 0.13 99
IV.EPOZ.HHZ. 2022-08-04T18:10:04.85 0.1 positive manual P 82 13.5753 125 0.31 95
IV.ESML.HNE. 2022-08-04T18:10:04.81 0.1 undecidable manual P 254 14.2746 124 0.17 98
IV.ESAL.HHE. 2022-08-04T18:10:04.48 0.1 undecidable manual P 38 14.1747 124 -0.16 98
IV.ECBD.HHN. 2022-08-04T18:10:04.30 0.1 undecidable manual P 18 14.6742 123 -0.42 93
IV.EMCN.HHN. 2022-08-04T18:10:04.40 0.1 undecidable manual P 359 15.2736 122 -0.41 93
IV.ESLN.HHZ. 2022-08-04T18:10:04.90 0.3 undecidable manual S 309 6.8931 144 -0.42 70
IV.ECZM.HHN. 2022-08-04T18:10:04.83 0.1 negative manual P 307 14.3745 124 0.17 98
1J.FX06.EHN. 2022-08-04T18:10:04.45 0.3 undecidable manual P 191 14.874 123 -0.29 71
IV.EPDN.HHZ. 2022-08-04T18:10:04.05 0.1 undecidable manual P 353 12.5763 128 -0.31 95
IV.ESVO.HHE. 2022-08-04T18:10:04.69 0.3 undecidable manual P 330 15.3735 122 -0.13 74
IV.EVRN.HHZ. 2022-08-04T18:10:03.64 0.1 undecidable manual P 66 9.6792 135 -0.29 96
IV.ESLN.HHZ. 2022-08-04T18:10:03.21 0.1 undecidable manual P 309 6.8931 144 -0.36 95
IV.EMFS.HHE. 2022-08-04T18:10:03.33 0.1 negative manual P 336 7.9809 140 -0.38 95
IV.EMFO.HHE. 2022-08-04T18:10:03.42 0.1 undecidable manual P 28 10.2786 133 -0.6 88
IV.ECPN.HHZ. 2022-08-04T18:10:03.83 0.1 undecidable manual P 337 10.878 132 -0.27 96
IV.EMPL.HHZ. 2022-08-04T18:10:03.33 0.1 negative manual P 296 6.3936 147 -0.18 99
IV.EMAS.HHZ. 2022-08-04T18:10:03.98 0.1 undecidable manual P 170 8.3805 139 0.22 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EVRN.HNN. ML:2.3 0.002935 0.64 AML other m 2022-08-04T18:10:07.47
IV.EVRN.HHN. ML:2.2 0.0023650000000000003 0.62 AML other m 2022-08-04T18:10:07.48
IV.EVRN.HHE. ML:2.2 0.002355 0.22 AML other m 2022-08-04T18:10:07.53
IV.EVRN.HNE. ML:2.2 0.00211 0.24 AML other m 2022-08-04T18:10:07.41
IV.EPOZ.HHE. ML:1.8 0.0006644999999999999 1.16 AML other m 2022-08-04T18:10:08.17
IV.EPOZ.HHN. ML:1.9 0.000891 0.68 AML other m 2022-08-04T18:10:09.49
IV.EPOZ.HNN. ML:1.9 0.0008240000000000001 0.68 AML other m 2022-08-04T18:10:09.50
IV.EMPL.HHN. ML:2.5 0.005085 0.22 AML other m 2022-08-04T18:10:10.49
IV.EMPL.HHE. ML:2.4 0.00438 0.26 AML other m 2022-08-04T18:10:10.51
IV.EPOZ.HNE. ML:1.9 0.0007955 0.46 AML other m 2022-08-04T18:10:11.19
IV.EPMN.HHN. ML:1.7 0.00033350000000000003 0.44 AML other m 2022-08-04T18:10:11.66
IV.EPMN.HHE. ML:1.7 0.000361 0.34 AML other m 2022-08-04T18:10:12.99
IV.HAGA.HHN. ML:1.5 0.00010400000000000001 0.64 AML other m 2022-08-04T18:10:16.35
IV.HAGA.HHE. ML:1.3 0.0000694 1.12 AML other m 2022-08-04T18:10:20.33
IV.GALF.HHE. ML:1.9 0.0002475 1.52 AML other m 2022-08-04T18:10:22.98
IV.GALF.HHN. ML:1.8 0.0002315 0.48 AML other m 2022-08-04T18:10:24.59
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