Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 13-02-2023 and time 11:22:27 (Italy) in region 2 km NW Belpasso (CT)

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

  • 13-02-2023 10:22:27 (UTC)
  • 13-02-2023 11:22:27 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.6100, 14.9650 at 7 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 3 3924 32032
Nicolosi CT 6 7463 39495
Camporotondo Etneo CT 6 5023 44518
Paternò CT 7 48228 92746
San Pietro Clarenza CT 7 7743 100489
Santa Maria di Licodia CT 7 7641 108130
Pedara CT 9 14102 122232
Mascalucia CT 9 31958 154190
Biancavilla CT 9 24007 178197
Trecastagni CT 10 10910 189107
Gravina di Catania CT 10 25838 214945
Tremestieri Etneo CT 10 20589 235534
Misterbianco CT 10 49410 284944
Motta Sant'Anastasia CT 11 12116 297060
Sant'Agata li Battiati CT 12 9479 306539
Viagrande CT 12 8563 315102
San Giovanni la Punta CT 12 23060 338162
Aci Bonaccorsi CT 13 3524 341686
Adrano CT 13 36122 377808
San Gregorio di Catania CT 14 11966 389774
Aci Sant'Antonio CT 14 17984 407758
Valverde CT 15 7840 415598
Zafferana Etnea CT 16 9517 425115
Aci Catena CT 16 29851 454966
Catania CT 16 314555 769521
Aci Castello CT 17 18723 788244
Santa Venerina CT 18 8592 796836
Acireale CT 18 52622 849458
Milo CT 18 1087 850545
Centuripe EN 20 5470 856015

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km NW of Catania (314555 inhabitants)
18 Km W of Acireale (52622 inhabitants)
68 Km NW of Siracusa (122291 inhabitants)
79 Km N of Ragusa (73313 inhabitants)
81 Km E of Caltanissetta (63360 inhabitants)
82 Km SW of Reggio di Calabria (183035 inhabitants)
83 Km NE of Vittoria (63339 inhabitants)
83 Km SW of Messina (238439 inhabitants)
85 Km N of Modica (54633 inhabitants)
87 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 2023-02-13
10:22:27		 37.6098 14.9653 7 2024-03-01
17:18:15		 Bollettino Sismico Italiano INGV 120433911
Reviewed
Rev200 		ML 1.9 2023-02-13
10:22:26		 37.632 14.98 4 2023-08-24
09:05:34		 Sala Operativa INGV_OE (Catania) 114408101
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-13 10:22:27 ± 0.12
Latitude 37.6098 ± 0.0054
Longitude 14.9653 ± 0.0079
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 120433911

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 740
Semi-minor axis of confidence ellipse (meter) 407
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 273
Circular confidence region, given by single value of horizontal uncertainty (meter) 740.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 81
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) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.04946
Epicentral distance of station farthest from the epicenter (degree) 0.66190
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 120433911
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-08-24 09:05:14

ML:1.9

Field Value
Value 1.9
Uncertainty 0.1
Num. used stations
Type of magnitude ML
Reference to an origin 114408101
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2023-02-13 10:37:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HAVL.HHZ. 2023-02-13T10:22:40.24 0.3 undecidable manual P 169 73.4709 50 -0.11 67
IV.EPIT.HHZ. 2023-02-13T10:22:36.05 0.6 undecidable manual S 20 23.754 106 0.37 46
IV.SSY.HHZ. 2023-02-13T10:22:36.97 0.3 undecidable manual P 169 51.1155 50 0.07 70
IV.EMSG.HHZ. 2023-02-13T10:22:35.73 0.6 undecidable manual S 357 23.4543 107 0.15 48
IV.HLNI.HHZ. 2023-02-13T10:22:33.18 0.3 undecidable manual P 196 30.1476 103 -0.11 72
IV.ECZM.HHN. 2023-02-13T10:22:33.16 0.6 undecidable manual S 338 14.4744 116 0.48 46
IV.EMSG.HHZ. 2023-02-13T10:22:32.20 0.3 undecidable manual P 357 23.4543 107 0.21 72
IV.EPZF.HHZ. 2023-02-13T10:22:32.89 0.3 undecidable manual P 338 25.5522 105 0.49 67
IV.EPIT.HHZ. 2023-02-13T10:22:31.98 0.1 undecidable manual P 20 23.754 106 -0.07 98
IV.ESPC.HHN. 2023-02-13T10:22:31.23 0.6 undecidable manual S 31 10.6782 123 -0.29 48
IV.ESML.HNZ. 2023-02-13T10:22:31.07 0.6 undecidable manual S 277 7.5813 133 0.39 47
IV.ESVO.HHE. 2023-02-13T10:22:31.37 0.3 undecidable manual P 355 18.1707 111 0.38 70
IV.EMFS.HHE. 2023-02-13T10:22:31.95 0.6 undecidable manual S 13 12.4764 119 -0.11 50
IV.ECHR.HHE. 2023-02-13T10:22:31.33 0.6 undecidable manual S 331 9.6792 126 0.1 50
IV.ENIC.HHZ. 2023-02-13T10:22:30.35 0.3 undecidable manual S 64 5.4945 142 0.17 75
IV.EMAS.HHZ. 2023-02-13T10:22:30.36 0.3 undecidable manual P 114 8.3805 130 1.08 54
IV.EMPL.HHZ. 2023-02-13T10:22:30.57 0.6 undecidable manual S 3 7.6812 132 -0.13 50
IV.ECZM.HHN. 2023-02-13T10:22:30.24 0.1 undecidable manual P 338 14.4744 116 -0.08 100
IV.EMFS.HHE. 2023-02-13T10:22:29.76 0.3 undecidable manual P 13 12.4764 119 -0.2 73
IV.ECHR.HHE. 2023-02-13T10:22:29.10 0.1 undecidable manual P 331 9.6792 126 -0.38 94
IV.ESPC.HHN. 2023-02-13T10:22:29.25 0.1 undecidable manual P 31 10.6782 123 -0.4 94
IV.ENIC.HHZ. 2023-02-13T10:22:28.73 0.1 undecidable manual P 64 5.4945 142 -0.14 100
IV.EMPL.HHZ. 2023-02-13T10:22:28.78 0.1 negative manual P 3 7.6812 132 -0.39 95
IV.ESML.HNZ. 2023-02-13T10:22:28.93 0.1 positive manual P 277 7.5813 133 -0.23 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ESML.HNN. ML:2.3 0.004005 0.28 AML other m 2023-02-13T10:22:31.60
IV.ESML.HHN. ML:2.3 0.003745 0.26 AML other m 2023-02-13T10:22:31.60
IV.ESML.HNE. ML:2.4 0.004560000000000001 0.24 AML other m 2023-02-13T10:22:31.60
IV.ESML.HHE. ML:2.4 0.004335 0.26 AML other m 2023-02-13T10:22:31.61
IV.EPIT.HHN. ML:2.4 0.00156 1.02 AML other m 2023-02-13T10:22:38.51
IV.EMSG.HHN. ML:2.1 0.0008485000000000001 0.52 AML other m 2023-02-13T10:22:38.65
IV.EPIT.HHE. ML:2.2 0.0010084999999999998 1.06 AML other m 2023-02-13T10:22:40.92
IV.EPZF.HHE. ML:2.0 0.0006895 1.5 AML other m 2023-02-13T10:22:43.89
IV.EMSG.HHE. ML:2.1 0.0008985000000000001 1.1 AML other m 2023-02-13T10:22:45.42
IV.EPZF.HHN. ML:2.0 0.000568 0.88 AML other m 2023-02-13T10:22:48.73
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