Earthquake with magnitude of ML 1.7 on date 08-04-2023 and time 16:52:20 (Italy) in region 4 km W Milo (CT)

A magnitude ML 1.7 earthquake occured in region: 4 km W Milo (CT), on

  • 08-04-2023 14:52:20 (UTC)
  • 08-04-2023 16:52:20 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.7260, 15.0760 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.

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
Viagrande CT 13 8563 111132
Piedimonte Etneo CT 13 3963 115095
Nicolosi CT 13 7463 122558
Fiumefreddo di Sicilia CT 14 9623 132181
Aci Sant'Antonio CT 14 17984 150165
Linguaglossa CT 14 5403 155568
Aci Bonaccorsi CT 14 3524 159092
Acireale CT 15 52622 211714
Aci Catena CT 15 29851 241565
Ragalna CT 16 3924 245489
Tremestieri Etneo CT 17 20589 266078
San Giovanni la Punta CT 17 23060 289138
Valverde CT 17 7840 296978
Mascalucia CT 17 31958 328936
Belpasso CT 17 28108 357044
Calatabiano CT 17 5308 362352
San Pietro Clarenza CT 18 7743 370095
San Gregorio di Catania CT 18 11966 382061
Castiglione di Sicilia CT 18 3215 385276
Gravina di Catania CT 18 25838 411114
Camporotondo Etneo CT 19 5023 416137
Sant'Agata li Battiati CT 19 9479 425616
Moio Alcantara ME 20 717 426333
Aci Castello CT 20 18723 445056
Gaggi ME 20 3184 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)
76 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)
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 1.7 2023-04-08
14:52:20
37.7257 15.0763 10 2024-03-01
17:18:19
Bollettino Sismico Italiano INGV 124661991
Reviewed
Rev200
ML 1.5 2023-04-08
14:52:20
37.739 15.074 4 2024-01-15
15:21:34
Sala Operativa INGV_OE (Catania) 116178521
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-08 14:52:20 ± 0.13
Latitude 37.7257 ± 0.0054
Longitude 15.0763 ± 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 124661991

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 530
Semi-minor axis of confidence ellipse (meter) 319
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 316
Circular confidence region, given by single value of horizontal uncertainty (meter) 530.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 102
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 29
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.01529
Epicentral distance of station farthest from the epicenter (degree) 0.27519
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 18
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 124661991
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-01-15 15:09:09

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 116178521
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2023-04-08 15:09:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EPMN.HHZ. 2023-04-08T14:52:26.19 0.6 undecidable manual S 40 13.7751 125 -0.1 49
IV.AIO.HHZ. 2023-04-08T14:52:26.64 0.3 undecidable manual P 27 30.5472 50 -0.17 70
IV.EPIT.HHZ. 2023-04-08T14:52:25.78 0.6 undecidable manual S 350 9.6792 135 0.59 44
IV.ESLN.HHZ. 2023-04-08T14:52:25.10 0.6 undecidable manual S 248 9.5793 135 -0.08 49
IV.EMPL.HHZ. 2023-04-08T14:52:25.51 0.6 undecidable manual S 241 10.6782 132 0.07 49
IV.EPZF.HHZ. 2023-04-08T14:52:25.65 0.3 undecidable manual P 300 22.1556 113 0.34 69
IV.ESPC.HHN. 2023-04-08T14:52:24.16 0.6 undecidable manual S 230 5.6943 149 -0.17 49
IV.ESAL.HHZ. 2023-04-08T14:52:24.71 0.6 undecidable manual S 57 6.0939 147 0.31 47
IV.ECTS.HHZ. 2023-04-08T14:52:24.28 0.3 undecidable manual P 13 17.7711 118 -0.25 71
IV.EMSG.HHZ. 2023-04-08T14:52:24.45 0.3 undecidable manual P 314 15.2736 122 0.35 69
IV.EMFS.HHZ. 2023-04-08T14:52:24.78 0.6 undecidable manual S 265 6.8931 144 0.21 48
IV.EMCN.HHN. 2023-04-08T14:52:24.69 0.6 undecidable manual S 333 8.1807 139 -0.15 49
IV.EVRN.HHZ. 2023-04-08T14:52:24.94 0.6 undecidable manual S 128 6.5934 145 0.44 46
IV.EPOZ.HHZ. 2023-04-08T14:52:24.21 0.3 undecidable manual P 121 11.4774 130 0.73 62
IV.ECBD.HHN. 2023-04-08T14:52:24.51 0.6 undecidable manual S 8 6.0939 147 0.1 49
IV.EFIU.HHZ. 2023-04-08T14:52:23.92 0.3 undecidable manual P 59 13.7751 125 0.09 73
IV.EMFO.HHE. 2023-04-08T14:52:23.28 0.6 undecidable manual S 47 1.6983 170 -0.56 45
IV.EMPL.HHZ. 2023-04-08T14:52:23.30 0.3 undecidable manual P 241 10.6782 132 -0.05 74
IV.EPIT.HHZ. 2023-04-08T14:52:23.41 0.1 positive manual P 350 9.6792 135 0.21 96
IV.ESLN.HHZ. 2023-04-08T14:52:23.01 0.1 undecidable manual P 248 9.5793 135 -0.19 97
IV.EPMN.HHZ. 2023-04-08T14:52:23.64 0.1 undecidable manual P 40 13.7751 125 -0.2 96
IV.EMNR.HHZ. 2023-04-08T14:52:23.63 0.1 undecidable manual P 336 11.0778 131 0.22 96
IV.EVRN.HHZ. 2023-04-08T14:52:22.89 0.1 positive manual P 128 6.5934 145 0.09 99
IV.ECBD.HHN. 2023-04-08T14:52:22.51 0.1 undecidable manual P 8 6.0939 147 -0.24 96
IV.ESPC.HHN. 2023-04-08T14:52:22.55 0.1 undecidable manual P 230 5.6943 149 -0.15 98
IV.EMFO.HHE. 2023-04-08T14:52:22.06 0.1 undecidable manual P 47 1.6983 170 -0.36 94
IV.ESAL.HHZ. 2023-04-08T14:52:22.53 0.1 negative manual P 57 6.0939 147 -0.22 97
IV.EMFS.HHZ. 2023-04-08T14:52:22.80 0.1 negative manual P 265 6.8931 144 -0.04 100
IV.EMCN.HHN. 2023-04-08T14:52:22.92 0.1 undecidable manual P 333 8.1807 139 -0.08 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EPMN.HHN. ML:1.6 0.000462 1.28 AML other m 2023-04-08T14:52:26.21
IV.EPMN.HHE. ML:1.9 0.0008209999999999999 0.84 AML other m 2023-04-08T14:52:27.10
IV.EFIU.HHN. ML:1.6 0.000414 0.96 AML other m 2023-04-08T14:52:27.12
IV.EFIU.HNN. ML:1.6 0.00045299999999999995 1 AML other m 2023-04-08T14:52:27.18
IV.EFIU.HHE. ML:1.5 0.0003015 0.54 AML other m 2023-04-08T14:52:28.76
IV.EFIU.HNE. ML:1.5 0.000326 0.58 AML other m 2023-04-08T14:52:28.52
IV.EPOZ.HHN. ML:2.1 0.0014750000000000002 0.96 AML other m 2023-04-08T14:52:29.87
IV.EPOZ.HNN. ML:2.1 0.001575 0.94 AML other m 2023-04-08T14:52:29.87
IV.EPOZ.HHE. ML:1.9 0.0010355000000000002 0.92 AML other m 2023-04-08T14:52:29.05
IV.EPOZ.HNE. ML:1.9 0.001045 0.9 AML other m 2023-04-08T14:52:29.51
IV.EMSG.HHE. ML:1.9 0.0008320000000000001 0.42 AML other m 2023-04-08T14:52:31.64
IV.EMSG.HHN. ML:1.9 0.0006990000000000001 1.44 AML other m 2023-04-08T14:52:32.94
IV.AIO.HHE. ML:1.2 0.00008255 0.28 AML other m 2023-04-08T14:52:33.52
IV.AIO.HHN. ML:1.3 0.0001071 1.08 AML other m 2023-04-08T14:52:33.08
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