Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 02-10-2021 and time 08:30:59 (Italy) in region 2 km N Belpasso (CT)

A magnitude ML 2.2 earthquake occured in region: 2 km N Belpasso (CT), on

  • 02-10-2021 06:30:59 (UTC)
  • 02-10-2021 08:30:59 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.6100, 14.9730 at 6 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
Belpasso CT 2 28108 28108
Ragalna CT 4 3924 32032
Nicolosi CT 5 7463 39495
Camporotondo Etneo CT 6 5023 44518
San Pietro Clarenza CT 6 7743 52261
Paternò CT 7 48228 100489
Santa Maria di Licodia CT 8 7641 108130
Pedara CT 8 14102 122232
Mascalucia CT 8 31958 154190
Trecastagni CT 10 10910 165100
Gravina di Catania CT 10 25838 190938
Tremestieri Etneo CT 10 20589 211527
Biancavilla CT 10 24007 235534
Misterbianco CT 10 49410 284944
Motta Sant'Anastasia CT 11 12116 297060
Viagrande CT 11 8563 305623
Sant'Agata li Battiati CT 11 9479 315102
San Giovanni la Punta CT 11 23060 338162
Aci Bonaccorsi CT 12 3524 341686
San Gregorio di Catania CT 13 11966 353652
Aci Sant'Antonio CT 14 17984 371636
Adrano CT 14 36122 407758
Valverde CT 14 7840 415598
Zafferana Etnea CT 15 9517 425115
Aci Catena CT 15 29851 454966
Catania CT 16 314555 769521
Aci Castello CT 16 18723 788244
Santa Venerina CT 17 8592 796836
Acireale CT 17 52622 849458
Milo CT 18 1087 850545

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km NW of Catania (314555 inhabitants)
17 Km W of Acireale (52622 inhabitants)
67 Km NW of Siracusa (122291 inhabitants)
79 Km N of Ragusa (73313 inhabitants)
81 Km SW of Reggio di Calabria (183035 inhabitants)
81 Km E of Caltanissetta (63360 inhabitants)
83 Km SW of Messina (238439 inhabitants)
83 Km NE of Vittoria (63339 inhabitants)
86 Km N of Modica (54633 inhabitants)
88 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 2021-10-02
06:30:59		 37.6105 14.9727 6 2022-03-30
13:04:35		 Bollettino Sismico Italiano INGV 100718161
Reviewed
Rev200 		ML 1.9 2021-10-02
06:30:58		 37.63 14.965 3 2022-02-07
16:53:48		 Sala Operativa INGV_OE (Catania) 96124081
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-10-02 06:30:59 ± 0.09
Latitude 37.6105 ± 0.0063
Longitude 14.9727 ± 0.0079
Depth (km) 6 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 100718161

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 628
Semi-minor axis of confidence ellipse (meter) 579
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 94
Circular confidence region, given by single value of horizontal uncertainty (meter) 630.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 100
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 34
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.06835
Epicentral distance of station farthest from the epicenter (degree) 0.66820
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 25
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 100718161
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-02-07 16:53:31

ML:1.9

Field Value
Value 1.9
Uncertainty 0.1
Num. used stations
Type of magnitude ML
Reference to an origin 96124081
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2021-10-02 06:51:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HMDC.HHZ. 2021-10-02T06:31:13.37 0.3 undecidable manual P 193 74.1702 50 0.64 59
IV.HAVL.HHZ. 2021-10-02T06:31:12.02 0.3 undecidable manual P 170 73.371 50 -0.59 60
IV.HCRL.HHZ. 2021-10-02T06:31:12.93 0.6 undecidable manual S 172 36.741 99 0.87 38
IV.RAFF.HHZ. 2021-10-02T06:31:11.82 0.3 undecidable manual P 232 68.8755 50 -0.09 69
IV.CAGR.HHE. 2021-10-02T06:31:08.38 1.0 undecidable manual P 272 41.5251 98 0.8 20
IV.SSY.HHZ. 2021-10-02T06:31:08.80 0.3 undecidable manual P 170 51.0156 50 -0.35 67
IV.GALF.HHZ. 2021-10-02T06:31:07.39 0.6 undecidable manual P 287 37.3293 99 0.64 42
IV.ECBD.HHN. 2021-10-02T06:31:07.31 0.6 undecidable manual S 28 21.2676 105 0.49 46
IV.HCRL.HHZ. 2021-10-02T06:31:06.37 0.3 undecidable manual P 172 36.741 99 -0.25 71
IV.EMFO.HHE. 2021-10-02T06:31:05.14 0.6 undecidable manual S 37 17.2716 108 -0.35 48
IV.ECZM.HHN. 2021-10-02T06:31:05.20 0.6 undecidable manual S 336 14.6742 111 0.56 45
IV.EPZF.HHZ. 2021-10-02T06:31:04.90 0.3 undecidable manual P 337 25.752 102 0.44 69
IV.EPIT.HHZ. 2021-10-02T06:31:04.00 0.3 undecidable manual P 18 23.4543 103 -0.01 76
IV.EPOZ.HHZ. 2021-10-02T06:31:04.30 0.3 undecidable manual P 70 20.1687 106 0.93 58
IV.EMSG.HHZ. 2021-10-02T06:31:04.23 0.3 undecidable manual P 355 23.4543 104 0.23 73
IV.ECBD.HHN. 2021-10-02T06:31:03.21 0.1 undecidable manual P 28 21.2676 105 -0.38 94
IV.ESLN.HHZ. 2021-10-02T06:31:03.04 0.6 undecidable manual S 1 9.1797 121 0.12 51
IV.ESVO.HHE. 2021-10-02T06:31:03.39 0.3 undecidable manual P 353 18.1707 107 0.4 71
IV.EPDN.HHZ. 2021-10-02T06:31:03.17 0.3 undecidable manual P 13 17.6712 108 0.28 73
IV.EVRN.HHZ. 2021-10-02T06:31:03.07 0.3 undecidable manual P 59 16.7721 109 0.35 72
IV.ECHR.HHE. 2021-10-02T06:31:03.23 0.6 undecidable manual S 328 9.879 120 0.1 51
IV.ESCV.HHZ. 2021-10-02T06:31:03.53 0.3 undecidable manual P 318 20.4684 105 0.09 75
IV.ESPC.HHN. 2021-10-02T06:31:03.34 0.6 undecidable manual S 28 10.2786 119 0.09 51
IV.ESML.HHZ. 2021-10-02T06:31:02.66 0.6 undecidable manual S 276 8.2806 124 0.02 52
IV.ECZM.HHN. 2021-10-02T06:31:02.04 0.1 undecidable manual P 336 14.6742 111 -0.29 97
IV.ECPN.HHZ. 2021-10-02T06:31:02.25 0.3 undecidable manual P 5 14.874 111 -0.1 76
IV.EMPL.HHZ. 2021-10-02T06:31:02.53 0.6 undecidable manual S 358 7.5813 126 0.07 51
IV.EMFO.HHE. 2021-10-02T06:31:02.43 0.1 undecidable manual P 37 17.2716 108 -0.39 94
IV.ESPC.HHN. 2021-10-02T06:31:01.35 0.1 undecidable manual P 28 10.2786 119 -0.18 100
IV.ESLN.HHZ. 2021-10-02T06:31:01.13 0.1 undecidable manual P 1 9.1797 121 -0.21 100
IV.EMFS.HHE. 2021-10-02T06:31:01.69 0.3 undecidable manual P 10 12.2766 115 -0.2 74
IV.ECHR.HHE. 2021-10-02T06:31:01.06 0.1 undecidable manual P 328 9.879 120 -0.4 95
IV.ESML.HHZ. 2021-10-02T06:31:00.79 0.1 positive manual P 276 8.2806 124 -0.39 96
IV.EMPL.HHZ. 2021-10-02T06:31:00.82 0.1 negative manual P 358 7.5813 126 -0.25 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EVRN.HNE. ML:2.2 0.001665 0.62 AML other m 2021-10-02T06:31:08.87
IV.ESCV.HHE. ML:2.2 0.001415 1.36 AML other m 2021-10-02T06:31:08.19
IV.EVRN.HHN. ML:2.3 0.001885 1.26 AML other m 2021-10-02T06:31:09.84
IV.EVRN.HHE. ML:2.3 0.0021349999999999997 0.68 AML other m 2021-10-02T06:31:09.95
IV.EPOZ.HHE. ML:2.0 0.0009125 1.2 AML other m 2021-10-02T06:31:10.94
IV.EPIT.HHN. ML:2.4 0.0017349999999999998 0.46 AML other m 2021-10-02T06:31:10.63
IV.EVRN.HNN. ML:2.3 0.00213 0.66 AML other m 2021-10-02T06:31:10.60
IV.EMSG.HHN. ML:2.2 0.00115 1.52 AML other m 2021-10-02T06:31:11.05
IV.EPIT.HHE. ML:2.2 0.000992 0.82 AML other m 2021-10-02T06:31:13.48
IV.ESCV.HHN. ML:2.3 0.0016 0.44 AML other m 2021-10-02T06:31:13.52
IV.HCRL.HHE. ML:1.6 0.0001535 1.28 AML other m 2021-10-02T06:31:13.75
IV.EPOZ.HHN. ML:2.1 0.0009895000000000001 0.46 AML other m 2021-10-02T06:31:14.38
IV.EMSG.HHE. ML:2.4 0.00158 0.5 AML other m 2021-10-02T06:31:15.32
IV.EPZF.HHN. ML:2.2 0.0010105 0.5 AML other m 2021-10-02T06:31:16.21
IV.EPZF.HHE. ML:2.2 0.0010500000000000002 0.46 AML other m 2021-10-02T06:31:17.49
IV.HCRL.HHN. ML:1.5 0.0001275 0.2 AML other m 2021-10-02T06:31:18.48
IV.SSY.HHE. ML:2.2 0.000409 1.34 AML other m 2021-10-02T06:31:21.14
IV.SSY.HHN. ML:2.4 0.0006495 1.32 AML other m 2021-10-02T06:31:28.02
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