Earthquake with magnitude of ML 2.1 on date 08-04-2023 and time 16:56:57 (Italy) in region 4 km W Milo (CT)

A magnitude ML 2.1 earthquake occured in region: 4 km W Milo (CT), on

  • 08-04-2023 14:56:57 (UTC)
  • 08-04-2023 16:56:57 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.7280, 15.0760 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.

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 4 1087 1087
Zafferana Etnea CT 4 9517 10604
Sant'Alfio CT 6 1582 12186
Santa Venerina CT 7 8592 20778
Giarre CT 10 27659 48437
Mascali CT 11 14282 62719
Riposto CT 11 14838 77557
Pedara CT 12 14102 91659
Trecastagni CT 12 10910 102569
Piedimonte Etneo CT 13 3963 106532
Viagrande CT 13 8563 115095
Nicolosi CT 13 7463 122558
Fiumefreddo di Sicilia CT 14 9623 132181
Linguaglossa CT 14 5403 137584
Aci Sant'Antonio CT 14 17984 155568
Aci Bonaccorsi CT 15 3524 159092
Acireale CT 15 52622 211714
Aci Catena CT 15 29851 241565
Ragalna CT 16 3924 245489
San Giovanni la Punta CT 17 23060 268549
Tremestieri Etneo CT 17 20589 289138
Valverde CT 17 7840 296978
Calatabiano CT 17 5308 302286
Mascalucia CT 17 31958 334244
Belpasso CT 17 28108 362352
San Pietro Clarenza CT 18 7743 370095
Castiglione di Sicilia CT 18 3215 373310
San Gregorio di Catania CT 18 11966 385276
Gravina di Catania CT 19 25838 411114
Camporotondo Etneo CT 19 5023 416137
Sant'Agata li Battiati CT 19 9479 425616
Moio Alcantara ME 19 717 426333
Gaggi ME 20 3184 429517
Aci Castello CT 20 18723 448240

Municipalities with at least 50000 inhabitants

An earthquake occurred to
15 Km NW of Acireale (52622 inhabitants)
25 Km N of Catania (314555 inhabitants)
66 Km SW of Reggio di Calabria (183035 inhabitants)
67 Km SW of Messina (238439 inhabitants)
77 Km N of Siracusa (122291 inhabitants)
93 Km E of Caltanissetta (63360 inhabitants)
94 Km NE of Ragusa (73313 inhabitants)
99 Km NE of Vittoria (63339 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
14:56:57
37.7278 15.076 9 2024-03-01
17:18:19
Bollettino Sismico Italiano INGV 124662011
Reviewed
Rev200
ML 1.6 2023-04-08
14:56:56
37.734 15.06 4 2024-01-15
15:21:52
Sala Operativa INGV_OE (Catania) 116178491
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-08 14:56:57 ± 0.11
Latitude 37.7278 ± 0.0036
Longitude 15.0760 ± 0.0045
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 124662011

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 430
Semi-minor axis of confidence ellipse (meter) 11
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 137
Circular confidence region, given by single value of horizontal uncertainty (meter) 430.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 62
Number of associated phases, regardless of their use for origin computation 36
Number of defining phases 36
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.01349
Epicentral distance of station farthest from the epicenter (degree) 0.56927
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 22
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 124662011
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-01-15 15:12:54

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 116178491
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2023-04-08 15:08:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSY.HHZ. 2023-04-08T14:57:08.83 0.3 undecidable manual P 180 63.1923 50 0.06 67
IV.ECTS.HHZ. 2023-04-08T14:57:04.00 0.6 undecidable manual S 13 17.5713 116 -0.08 49
IV.EMSG.HHN. 2023-04-08T14:57:03.28 0.6 undecidable manual S 313 15.1737 120 -0.06 49
IV.EFIU.HHZ. 2023-04-08T14:57:03.49 0.6 undecidable manual S 60 13.6752 122 0.59 43
IV.ENIC.HHZ. 2023-04-08T14:57:02.40 0.6 undecidable manual S 204 11.6772 127 0.06 49
IV.EPZF.HHZ. 2023-04-08T14:57:02.36 0.3 undecidable manual P 299 21.9669 112 0.34 69
IV.EMPL.HHZ. 2023-04-08T14:57:02.04 0.6 undecidable manual S 240 10.7781 129 -0.04 50
IV.EPIT.HHZ. 2023-04-08T14:57:02.38 0.6 undecidable manual S 350 9.3795 133 0.65 43
IV.EPMN.HHZ. 2023-04-08T14:57:02.81 0.6 undecidable manual S 41 13.5753 123 -0.07 49
IV.EMFS.HHZ. 2023-04-08T14:57:01.40 0.6 undecidable manual S 262 6.8931 141 0.26 48
IV.ESLN.HHZ. 2023-04-08T14:57:01.71 0.6 undecidable manual S 247 9.6792 132 -0.09 49
IV.EVRN.HNN. 2023-04-08T14:57:01.64 0.6 undecidable manual S 129 6.7932 142 0.54 45
IV.ECZM.HHN. 2023-04-08T14:57:01.22 0.1 undecidable manual P 272 15.0738 120 0.44 90
IV.EMCN.HHN. 2023-04-08T14:57:01.52 0.6 undecidable manual S 332 7.9809 137 0.15 49
IV.ESAL.HHE. 2023-04-08T14:57:01.33 0.6 undecidable manual S 59 5.994 145 0.39 46
IV.EMNR.HHZ. 2023-04-08T14:57:00.22 0.1 undecidable manual P 336 10.7781 129 0.16 97
IV.EPMN.HHZ. 2023-04-08T14:57:00.25 0.1 negative manual P 41 13.5753 123 -0.27 94
IV.ESPC.HHN. 2023-04-08T14:57:00.82 0.6 undecidable manual S 227 5.7942 146 -0.08 50
IV.ESVO.HHE. 2023-04-08T14:57:00.28 0.3 undecidable manual P 294 12.3765 125 -0.04 74
IV.ENIC.HHZ. 2023-04-08T14:57:00.26 0.3 undecidable manual P 204 11.6772 127 0.05 74
IV.EMSG.HHN. 2023-04-08T14:57:00.92 0.1 undecidable manual P 313 15.1737 120 0.14 96
IV.ECTS.HHZ. 2023-04-08T14:57:00.88 0.1 undecidable manual P 13 17.5713 116 -0.33 92
IV.EFIU.HHZ. 2023-04-08T14:57:00.42 0.1 undecidable manual P 60 13.6752 122 -0.1 97
IV.EPIT.HHZ. 2023-04-08T14:57:00.03 0.1 positive manual P 350 9.3795 133 0.18 97
IV.EPOZ.HHZ. 2023-04-08T14:57:00.64 0.1 undecidable manual P 122 11.6772 127 0.44 91
IV.EMCN.HHN. 2023-04-08T14:56:59.57 0.1 undecidable manual P 332 7.9809 137 -0.08 99
IV.ESAL.HHE. 2023-04-08T14:56:59.13 0.1 undecidable manual P 59 5.994 145 -0.27 95
IV.ECNE.HHN. 2023-04-08T14:56:59.56 0.3 undecidable manual P 303 7.6812 138 -0.06 74
IV.EMFO.HHE. 2023-04-08T14:56:59.96 0.6 undecidable manual S 55 1.4985 170 -0.38 47
IV.EMFS.HHZ. 2023-04-08T14:56:59.41 0.1 negative manual P 262 6.8931 141 -0.1 99
IV.ESPC.HHN. 2023-04-08T14:56:59.16 0.1 undecidable manual P 227 5.7942 146 -0.22 96
IV.EMPL.HHZ. 2023-04-08T14:56:59.91 0.3 undecidable manual P 240 10.7781 129 -0.14 73
IV.ECBD.HHN. 2023-04-08T14:56:59.14 0.1 undecidable manual P 9 5.8941 146 -0.25 96
IV.ESLN.HHZ. 2023-04-08T14:56:59.64 0.1 undecidable manual P 247 9.6792 132 -0.25 95
IV.EVRN.HNN. 2023-04-08T14:56:59.46 0.1 undecidable manual P 129 6.7932 142 -0.03 100
IV.EMFO.HHE. 2023-04-08T14:56:58.66 0.1 undecidable manual P 55 1.4985 170 -0.39 94
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EMFS.HHE. ML:2.2 0.00246 1.22 AML other m 2023-04-08T14:57:01.62
IV.EMFS.HHN. ML:2.2 0.002665 0.44 AML other m 2023-04-08T14:57:02.50
IV.EPIT.HHN. ML:2.5 0.0041600000000000005 1.44 AML other m 2023-04-08T14:57:03.99
IV.EPMN.HHN. ML:1.9 0.0008539999999999999 0.74 AML other m 2023-04-08T14:57:03.86
IV.EPIT.HHE. ML:2.4 0.003375 0.5 AML other m 2023-04-08T14:57:03.90
IV.EPMN.HHE. ML:2.2 0.00163 0.24 AML other m 2023-04-08T14:57:04.03
IV.EFIU.HHN. ML:1.8 0.0007275000000000001 1.32 AML other m 2023-04-08T14:57:04.32
IV.EFIU.HNN. ML:1.9 0.000833 1.32 AML other m 2023-04-08T14:57:04.98
IV.EFIU.HHE. ML:1.7 0.000506 1.4 AML other m 2023-04-08T14:57:05.14
IV.EFIU.HNE. ML:1.7 0.000589 1.36 AML other m 2023-04-08T14:57:05.16
IV.ENIC.HHE. ML:2.1 0.0014449999999999999 0.22 AML other m 2023-04-08T14:57:05.80
IV.EPOZ.HHN. ML:2.2 0.0021550000000000002 1.5 AML other m 2023-04-08T14:57:06.76
IV.EPOZ.HNN. ML:2.3 0.00246 1.5 AML other m 2023-04-08T14:57:06.76
IV.EPOZ.HHE. ML:2.1 0.0017 0.3 AML other m 2023-04-08T14:57:06.13
IV.EPOZ.HNE. ML:2.1 0.00171 0.32 AML other m 2023-04-08T14:57:06.13
IV.ENIC.HHN. ML:2.0 0.001375 1.26 AML other m 2023-04-08T14:57:06.27
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