Earthquake with magnitude of ML 1.6 on date 08-04-2023 and time 16:57:51 (Italy) in region 3 km W Milo (CT)

A magnitude ML 1.6 earthquake occured in region: 3 km W Milo (CT), on

  • 08-04-2023 14:57:51 (UTC)
  • 08-04-2023 16:57:51 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.7230, 15.0820 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 3 1087 1087
Zafferana Etnea CT 4 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 13 8563 111132
Piedimonte Etneo CT 13 3963 115095
Nicolosi CT 13 7463 122558
Aci Sant'Antonio CT 14 17984 140542
Fiumefreddo di Sicilia CT 14 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
Ragalna CT 16 3924 268549
Tremestieri Etneo CT 16 20589 289138
Valverde CT 16 7840 296978
Mascalucia CT 17 31958 328936
Calatabiano CT 17 5308 334244
Belpasso CT 17 28108 362352
San Pietro Clarenza CT 17 7743 370095
San Gregorio di Catania CT 18 11966 382061
Gravina di Catania CT 18 25838 407899
Sant'Agata li Battiati CT 18 9479 417378
Castiglione di Sicilia CT 18 3215 420593
Camporotondo Etneo CT 18 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)
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 1.6 2023-04-08
14:57:51
37.7233 15.0818 9 2024-03-01
17:18:19
Bollettino Sismico Italiano INGV 124662031
Reviewed
Rev200
ML 1.1 2023-04-08
14:57:50
37.732 15.066 4 2024-01-15
15:22:14
Sala Operativa INGV_OE (Catania) 116178271
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-08 14:57:51 ± 0.2
Latitude 37.7233 ± 0.0063
Longitude 15.0818 ± 0.0068
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 124662031

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 691
Semi-minor axis of confidence ellipse (meter) 184
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 320
Circular confidence region, given by single value of horizontal uncertainty (meter) 690.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 105
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) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.01439
Epicentral distance of station farthest from the epicenter (degree) 0.27519
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:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 124662031
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-01-15 15:15:18

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 116178271
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2023-04-08 15:02:09
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.AIO.HHZ. 2023-04-08T14:57:57.41 0.3 undecidable manual P 26 30.5472 106 -0.07 73
IV.EPIT.HHZ. 2023-04-08T14:57:56.49 0.6 undecidable manual S 347 9.9789 131 0.78 41
IV.EPMN.HHN. 2023-04-08T14:57:56.67 0.6 undecidable manual S 38 13.6752 122 -0.05 50
IV.EVRN.HHZ. 2023-04-08T14:57:55.42 0.6 undecidable manual S 129 6.0939 145 0.65 44
IV.ESLN.HHZ. 2023-04-08T14:57:55.61 0.6 undecidable manual S 251 9.9789 131 -0.09 50
IV.ECZM.HHN. 2023-04-08T14:57:55.08 0.1 undecidable manual P 273 15.6732 119 0.38 93
IV.EMFS.HHE. 2023-04-08T14:57:55.21 0.6 undecidable manual S 267 7.3815 139 0.15 50
IV.EMCN.HHN. 2023-04-08T14:57:55.80 0.6 undecidable manual S 331 8.6802 135 0.44 47
IV.EPMN.HHN. 2023-04-08T14:57:54.05 0.3 undecidable manual P 38 13.6752 122 -0.31 71
IV.ECBD.HHN. 2023-04-08T14:57:54.84 0.6 undecidable manual S 4 6.2937 144 0.01 51
IV.EPOZ.HHZ. 2023-04-08T14:57:54.65 0.3 undecidable manual P 121 10.9779 128 0.73 63
IV.EMSG.HHZ. 2023-04-08T14:57:54.91 0.3 undecidable manual P 313 15.873 119 0.17 73
IV.ESPC.HHN. 2023-04-08T14:57:54.65 0.6 undecidable manual S 234 5.8941 146 -0.09 50
IV.EMNR.HHZ. 2023-04-08T14:57:54.09 0.1 undecidable manual P 335 11.4774 127 0.09 100
IV.EMCN.HHN. 2023-04-08T14:57:53.40 0.1 undecidable manual P 331 8.6802 135 -0.17 99
IV.EMFO.HHE. 2023-04-08T14:57:53.83 0.6 undecidable manual S 28 1.5984 170 -0.33 48
IV.ESPC.HHN. 2023-04-08T14:57:53.01 0.1 undecidable manual P 234 5.8941 146 -0.2 99
IV.EVRN.HHZ. 2023-04-08T14:57:53.31 0.3 undecidable manual P 129 6.0939 145 0.08 76
IV.ESLN.HHZ. 2023-04-08T14:57:53.58 0.1 undecidable manual P 251 9.9789 131 -0.19 98
IV.EPIT.HHZ. 2023-04-08T14:57:53.88 0.1 positive manual P 347 9.9789 131 0.11 100
IV.ESAL.HHZ. 2023-04-08T14:57:53.03 0.1 negative manual P 53 5.7942 146 -0.17 99
IV.EMFS.HHE. 2023-04-08T14:57:53.20 0.3 undecidable manual P 267 7.3815 139 -0.2 74
IV.EMFO.HHE. 2023-04-08T14:57:52.51 0.1 undecidable manual P 28 1.5984 170 -0.37 96
IV.ECBD.HHN. 2023-04-08T14:57:52.98 0.1 undecidable manual P 4 6.2937 144 -0.28 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EPOZ.HHN. ML:0.0 0.00046897069999999994 0.448 AML other m 2023-04-08T14:58:00.08
IV.EPOZ.HNN. ML:0.0 0.0005192624500000001 0.3072 AML other m 2023-04-08T14:57:59.33
IV.EPOZ.HHE. ML:0.0 0.000386945 0.3072 AML other m 2023-04-08T14:57:59.97
IV.EPOZ.HNE. ML:0.0 0.0003826988 0.3072 AML other m 2023-04-08T14:57:59.97
IV.ESAL.HHE. ML:1.3 0.00037831725 0.3968 AML other m 2023-04-08T14:57:53.48
IV.ESAL.HHN. ML:1.2 0.00026872370000000003 0.1152 AML other m 2023-04-08T14:57:53.47
IV.EVRN.HNE. ML:1.7 0.00092333085 0.192 AML other m 2023-04-08T14:57:55.60
IV.EVRN.HHE. ML:1.9 0.0013827335 0.2816 AML other m 2023-04-08T14:57:55.74
IV.EVRN.HHN. ML:1.9 0.0014321815 0.1408 AML other m 2023-04-08T14:57:55.66
IV.EVRN.HNN. ML:1.9 0.0015840505 0.1664 AML other m 2023-04-08T14:57:55.66
IV.EPIT.HHN. ML:1.6 0.0005599095999999999 0.256 AML other m 2023-04-08T14:58:00.33
IV.EPIT.HHE. ML:1.6 0.00053127915 0.256 AML other m 2023-04-08T14:57:56.63
IV.EMSG.HHE. ML:1.6 0.0003999663 0.6016 AML other m 2023-04-08T14:57:59.32
IV.EMSG.HHN. ML:1.6 0.00036429285 0.768 AML other m 2023-04-08T14:57:57.19
IV.AIO.HHN. ML:0.9 0.000039264849999999994 0.256 AML other m 2023-04-08T14:58:04.56
IV.AIO.HHE. ML:0.8 0.000029052595 0.384 AML other m 2023-04-08T14:58:05.02
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