Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 08-04-2023 and time 14:58:29 (UTC) in region 3 km W Milo (CT)

A magnitude ML 2.1 earthquake occured in region: 3 km W Milo (CT), on

  • 08-04-2023 14:58:29 (UTC)
  • 08-04-2023 16:58:29 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.7230, 15.0860 at 9 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
Milo CT 3 1087 1087
Zafferana Etnea CT 3 9517 10604
Sant'Alfio CT 6 1582 12186
Santa Venerina CT 6 8592 20778
Giarre CT 9 27659 48437
Mascali CT 11 14282 62719
Riposto CT 11 14838 77557
Trecastagni CT 12 10910 88467
Pedara CT 12 14102 102569
Viagrande CT 12 8563 111132
Piedimonte Etneo CT 13 3963 115095
Nicolosi CT 13 7463 122558
Aci Sant'Antonio CT 13 17984 140542
Fiumefreddo di Sicilia CT 13 9623 150165
Aci Bonaccorsi CT 14 3524 153689
Acireale CT 14 52622 206311
Linguaglossa CT 14 5403 211714
Aci Catena CT 14 29851 241565
San Giovanni la Punta CT 16 23060 264625
Tremestieri Etneo CT 16 20589 285214
Valverde CT 16 7840 293054
Ragalna CT 16 3924 296978
Mascalucia CT 17 31958 328936
Calatabiano CT 17 5308 334244
Belpasso CT 17 28108 362352
San Pietro Clarenza CT 18 7743 370095
San Gregorio di Catania CT 18 11966 382061
Gravina di Catania CT 18 25838 407899
Castiglione di Sicilia CT 18 3215 411114
Sant'Agata li Battiati CT 18 9479 420593
Camporotondo Etneo CT 19 5023 425616
Aci Castello CT 19 18723 444339
Gaggi ME 20 3184 447523
Moio Alcantara ME 20 717 448240

Municipalities with at least 50000 inhabitants

An earthquake occurred to
14 Km NW of Acireale (52622 inhabitants)
24 Km N of Catania (314555 inhabitants)
65 Km SW of Reggio di Calabria (183035 inhabitants)
67 Km SW of Messina (238439 inhabitants)
76 Km N of Siracusa (122291 inhabitants)
94 Km E of Caltanissetta (63360 inhabitants)
94 Km NE of Ragusa (73313 inhabitants)
99 Km NE of Vittoria (63339 inhabitants)
100 Km N of Modica (54633 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 2.1 2023-04-08
14:58:29		 37.723 15.0858 9 2024-03-01
17:18:19		 Bollettino Sismico Italiano INGV 124662041
Reviewed
Rev200 		ML 1.6 2023-04-08
14:58:28		 37.739 15.065 4 2024-01-15
15:22:54		 Sala Operativa INGV_OE (Catania) 116178191
Reviewed
Rev200 		ML 1.6 2023-04-08
14:58:28		 37.738 15.062 5 2024-01-15
15:22:38		 Sala Operativa INGV_OE (Catania) 116178351
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-08 14:58:29 ± 0.12
Latitude 37.7230 ± 0.0054
Longitude 15.0858 ± 0.0057
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 124662041

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 560
Semi-minor axis of confidence ellipse (meter) 296
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 160
Circular confidence region, given by single value of horizontal uncertainty (meter) 560.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 66
Number of associated phases, regardless of their use for origin computation 38
Number of defining phases 38
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) 0.01349
Epicentral distance of station farthest from the epicenter (degree) 0.56477
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 24
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.4
Num. used stations 14
Type of magnitude ML
Reference to an origin 124662041
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-01-15 15:18:10

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 116178351
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2023-04-08 15:03:24

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 116178191
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2023-04-08 15:00:54
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSY.HHZ. 2023-04-08T14:58:40.45 0.6 undecidable manual P 181 62.6928 50 0.14 45
IV.MUCR.HHZ. 2023-04-08T14:58:36.87 0.3 undecidable manual P 332 40.0266 50 0.05 71
IV.ECZM.HHN. 2023-04-08T14:58:36.47 0.6 undecidable manual S 273 15.9729 121 1.01 36
IV.AIO.HHZ. 2023-04-08T14:58:35.07 0.3 undecidable manual P 25 30.4473 50 -0.26 69
IV.EMSG.HHZ. 2023-04-08T14:58:35.46 0.6 undecidable manual S 312 16.1727 120 -0.04 50
IV.EFIU.HHZ. 2023-04-08T14:58:35.34 0.6 undecidable manual S 56 13.1757 126 0.7 42
IV.EMNR.HHZ. 2023-04-08T14:58:35.48 0.6 undecidable manual S 333 11.6772 129 1.26 32
IV.EPIT.HHZ. 2023-04-08T14:58:34.55 0.6 undecidable manual S 345 10.0788 133 0.73 41
IV.EPMN.HHZ. 2023-04-08T14:58:34.61 0.6 undecidable manual S 37 13.4754 125 -0.11 49
IV.EPZF.HHZ. 2023-04-08T14:58:34.06 0.3 undecidable manual P 299 22.9548 112 0.06 73
IV.ESCV.HHN. 2023-04-08T14:58:34.47 0.3 undecidable manual P 276 23.8539 112 0.31 70
IV.EMCN.HHN. 2023-04-08T14:58:33.23 0.6 undecidable manual S 329 8.88 137 -0.27 48
IV.ECHR.HHE. 2023-04-08T14:58:33.08 0.3 undecidable manual P 255 15.7731 121 0.39 69
IV.ECZM.HHN. 2023-04-08T14:58:33.10 0.1 undecidable manual P 273 15.9729 121 0.37 93
IV.ESAL.HHZ. 2023-04-08T14:58:33.20 0.6 undecidable manual S 50 5.5944 150 0.39 47
IV.EMFS.HHZ. 2023-04-08T14:58:33.08 0.6 undecidable manual S 267 7.6812 141 -0.17 49
IV.ESLN.HHZ. 2023-04-08T14:58:33.58 0.6 undecidable manual S 251 10.2786 132 -0.29 48
IV.EVRN.HNZ. 2023-04-08T14:58:33.49 0.6 undecidable manual S 131 5.7942 149 0.64 43
IV.EFIU.HHZ. 2023-04-08T14:58:32.29 0.1 undecidable manual P 56 13.1757 126 0.03 100
IV.EMNR.HHZ. 2023-04-08T14:58:32.07 0.1 undecidable manual P 333 11.6772 129 0.05 100
IV.EPOZ.HHZ. 2023-04-08T14:58:32.48 0.3 undecidable manual P 122 10.6782 132 0.62 65
IV.ECBD.HHN. 2023-04-08T14:58:32.90 0.6 undecidable manual S 0 6.3936 146 -0.06 50
IV.ESPC.HHN. 2023-04-08T14:58:32.65 0.6 undecidable manual S 237 6.1938 147 -0.27 48
IV.ESVO.HHE. 2023-04-08T14:58:32.12 0.3 undecidable manual P 295 13.3755 125 -0.18 73
IV.ECTS.HHZ. 2023-04-08T14:58:32.78 0.3 undecidable manual P 10 17.871 118 -0.29 70
IV.EPMN.HHZ. 2023-04-08T14:58:32.05 0.1 undecidable manual P 37 13.4754 125 -0.26 95
IV.EMSG.HHZ. 2023-04-08T14:58:32.80 0.1 undecidable manual P 312 16.1727 120 0.04 99
IV.EMFS.HHZ. 2023-04-08T14:58:31.28 0.1 negative manual P 267 7.6812 141 -0.18 98
IV.ESLN.HHZ. 2023-04-08T14:58:31.49 0.1 undecidable manual P 251 10.2786 132 -0.33 94
IV.EVRN.HNZ. 2023-04-08T14:58:31.32 0.1 undecidable manual P 131 5.7942 149 0.09 100
IV.EMCN.HHN. 2023-04-08T14:58:31.39 0.1 undecidable manual P 329 8.88 137 -0.22 97
IV.ECNE.HHN. 2023-04-08T14:58:31.48 0.3 undecidable manual P 302 8.7801 137 -0.11 74
IV.EPIT.HHZ. 2023-04-08T14:58:31.86 0.1 undecidable manual P 345 10.0788 133 0.07 100
IV.ESAL.HHZ. 2023-04-08T14:58:31.00 0.1 negative manual P 50 5.5944 150 -0.21 98
IV.ESPC.HHN. 2023-04-08T14:58:31.02 0.1 undecidable manual P 237 6.1938 147 -0.25 97
IV.EMFO.HHE. 2023-04-08T14:58:31.79 0.6 undecidable manual S 15 1.4985 171 -0.54 46
IV.EMFO.HHE. 2023-04-08T14:58:30.52 0.1 undecidable manual P 15 1.4985 171 -0.41 94
IV.ECBD.HHN. 2023-04-08T14:58:30.96 0.1 undecidable manual P 0 6.3936 146 -0.33 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EVRN.HNE. ML:2.4 0.00458 0.36 AML other m 2023-04-08T14:58:33.80
IV.EVRN.HHE. ML:2.5 0.005900000000000001 0.34 AML other m 2023-04-08T14:58:34.55
IV.EVRN.HHN. ML:2.6 0.006955 0.18 AML other m 2023-04-08T14:58:34.73
IV.EVRN.HNN. ML:2.6 0.007925 0.22 AML other m 2023-04-08T14:58:34.72
IV.EPOZ.HHN. ML:2.3 0.0026050000000000005 1.06 AML other m 2023-04-08T14:58:37.36
IV.EPOZ.HNN. ML:2.4 0.002935 1.06 AML other m 2023-04-08T14:58:37.36
IV.EPOZ.HHE. ML:2.1 0.0017649999999999999 0.92 AML other m 2023-04-08T14:58:37.53
IV.EPOZ.HNE. ML:2.1 0.00176 0.9 AML other m 2023-04-08T14:58:37.54
IV.EPZF.HHN. ML:1.8 0.0004325 0.88 AML other m 2023-04-08T14:58:41.19
IV.AIO.HHE. ML:1.5 0.0001425 0.26 AML other m 2023-04-08T14:58:41.84
IV.AIO.HHN. ML:1.6 0.00019600000000000002 0.92 AML other m 2023-04-08T14:58:42.54
IV.EPZF.HHE. ML:1.7 0.00034250000000000003 0.94 AML other m 2023-04-08T14:58:42.19
IV.MUCR.HHE. ML:1.4 0.00009635 0.38 AML other m 2023-04-08T14:58:44.18
IV.MUCR.HHN. ML:1.3 0.0000767 0.46 AML other m 2023-04-08T14:58:44.95
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