Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 03-04-2020 and time 10:25:51 (Italy) in region 6 km NW Milo (CT)

A magnitude ML 1.7 earthquake occured in region: 6 km NW Milo (CT), on

  • 03-04-2020 08:25:51 (UTC)
  • 03-04-2020 10:25:51 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.7530, 15.0540 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.

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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
Milo CT 6 1087 1087
Zafferana Etnea CT 8 9517 10604
Sant'Alfio CT 8 1582 12186
Santa Venerina CT 10 8592 20778
Giarre CT 12 27659 48437
Mascali CT 13 14282 62719
Piedimonte Etneo CT 13 3963 66682
Linguaglossa CT 13 5403 72085
Riposto CT 13 14838 86923
Fiumefreddo di Sicilia CT 14 9623 96546
Pedara CT 15 14102 110648
Trecastagni CT 15 10910 121558
Nicolosi CT 16 7463 129021
Castiglione di Sicilia CT 16 3215 132236
Viagrande CT 16 8563 140799
Moio Alcantara ME 16 717 141516
Ragalna CT 17 3924 145440
Randazzo CT 17 10900 156340
Calatabiano CT 17 5308 161648
Aci Sant'Antonio CT 17 17984 179632
Aci Bonaccorsi CT 18 3524 183156
Francavilla di Sicilia ME 18 3945 187101
Aci Catena CT 18 29851 216952
Maletto CT 19 3920 220872
Malvagna ME 19 733 221605
Acireale CT 19 52622 274227
Gaggi ME 19 3184 277411
Motta Camastra ME 19 845 278256
Belpasso CT 19 28108 306364
Tremestieri Etneo CT 20 20589 326953
Bronte CT 20 19172 346125
San Giovanni la Punta CT 20 23060 369185
Mascalucia CT 20 31958 401143
Santa Domenica Vittoria ME 20 980 402123

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km NW of Acireale (52622 inhabitants)
28 Km N of Catania (314555 inhabitants)
65 Km SW of Reggio di Calabria (183035 inhabitants)
66 Km SW of Messina (238439 inhabitants)
80 Km N of Siracusa (122291 inhabitants)
92 Km E of Caltanissetta (63360 inhabitants)
96 Km N of Ragusa (73313 inhabitants)
100 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 1.7 2020-04-03
08:25:51		 37.753 15.0537 9 2020-07-18
21:08:41		 Bollettino Sismico Italiano INGV 80642521
Reviewed
Rev100 		ML 1.7 2020-04-03
08:25:51		 37.7237 15.0277 12 2020-04-03
08:32:16		 Sala Sismica INGV-Roma 77822701
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-04-03 08:25:51 ± 0.13
Latitude 37.7530 ± 0.0045
Longitude 15.0537 ± 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 80642521

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 555
Semi-minor axis of confidence ellipse (meter) 204
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 276
Circular confidence region, given by single value of horizontal uncertainty (meter) 550.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 94
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.38
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.32286
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 9
Type of magnitude ML
Reference to an origin 80642521
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-06-30 08:37:36

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 4
Type of magnitude ML
Reference to an origin 77822701
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-04-03 08:32:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MUCR.HHZ. 2020-04-03T08:26:04.70 0.1 undecidable manual S 334 35.8419 50 0.56 85
IV.AIO.HHZ. 2020-04-03T08:26:02.44 0.1 undecidable manual S 33 28.8489 107 0.37 91
IV.ESML.HHZ. 2020-04-03T08:25:59.12 0.3 undecidable manual S 226 21.3675 112 -0.51 66
IV.EPZF.HHZ. 2020-04-03T08:25:58.54 0.1 undecidable manual S 295 18.9699 115 -0.32 93
IV.MUCR.HHZ. 2020-04-03T08:25:58.78 0.1 undecidable manual P 334 35.8419 50 -0.06 95
IV.ECTS.HHZ. 2020-04-03T08:25:57.74 0.1 undecidable manual S 22 15.4734 120 -0.04 99
IV.EMSG.HHZ. 2020-04-03T08:25:57.22 0.1 undecidable manual S 310 11.7771 127 0.51 90
IV.AIO.HHZ. 2020-04-03T08:25:57.40 0.1 undecidable manual P 33 28.8489 107 -0.25 93
IV.EPOZ.HHZ. 2020-04-03T08:25:57.59 0.1 undecidable manual S 127 14.874 121 0 100
IV.ENIC.HHZ. 2020-04-03T08:25:57.54 0.1 undecidable manual S 192 13.7751 122 0.26 95
IV.ECHR.HNZ. 2020-04-03T08:25:57.60 0.3 undecidable manual S 239 14.3745 121 0.14 73
IV.ESLN.HHZ. 2020-04-03T08:25:56.46 0.1 undecidable manual S 227 9.5793 132 0.34 94
IV.HAGA.HHZ. 2020-04-03T08:25:56.42 3.0 undecidable manual P -6.42 0
IV.EVRN.HNZ. 2020-04-03T08:25:56.88 0.1 undecidable manual S 135 10.0788 131 0.63 86
IV.EPIT.HHZ. 2020-04-03T08:25:56.12 0.1 undecidable manual S 2 6.4935 144 0.73 84
IV.ESML.HHZ. 2020-04-03T08:25:56.44 0.3 undecidable manual P 226 21.3675 112 0.2 71
IV.ENIC.HHZ. 2020-04-03T08:25:55.12 0.1 undecidable manual P 192 13.7751 122 0.24 95
IV.EPZF.HHZ. 2020-04-03T08:25:55.87 0.1 undecidable manual P 295 18.9699 115 0.08 98
IV.EPOZ.HHZ. 2020-04-03T08:25:55.06 0.1 undecidable manual P 127 14.874 121 0 100
IV.ECHR.HNZ. 2020-04-03T08:25:54.78 0.3 undecidable manual P 239 14.3745 121 -0.21 72
IV.ESLN.HHZ. 2020-04-03T08:25:54.00 0.1 undecidable manual P 227 9.5793 132 -0.21 97
IV.EMCN.HNZ. 2020-04-03T08:25:54.75 0.1 undecidable manual S 337 4.5954 152 -0.29 96
IV.ECTS.HHZ. 2020-04-03T08:25:54.61 0.1 undecidable manual P 22 15.4734 120 -0.56 88
IV.EMSG.HHZ. 2020-04-03T08:25:54.46 0.1 undecidable manual P 310 11.7771 127 -0.09 99
IV.EVRN.HNZ. 2020-04-03T08:25:53.53 0.1 undecidable manual P 135 10.0788 131 -0.76 82
IV.EPIT.HHZ. 2020-04-03T08:25:53.55 0.1 undecidable manual P 2 6.4935 144 -0.24 97
IV.EMCN.HNZ. 2020-04-03T08:25:53.04 0.1 undecidable manual P 337 4.5954 152 -0.55 90
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ESLN.HHN. ML:1.8 0.0008101476000000001 0.4032 AML other m 2020-04-03T08:25:56.99
IV.EMSG.HHN. ML:1.8 0.00075991515 0.4032 AML other m 2020-04-03T08:25:58.32
IV.EPOZ.HHE. ML:2.0 0.0009473007 0.3584 AML other m 2020-04-03T08:25:59.81
IV.EPOZ.HHN. ML:1.9 0.00080433295 0.48 AML other m 2020-04-03T08:25:59.63
IV.ENIC.HHE. ML:1.8 0.000673683 0.6592 AML other m 2020-04-03T08:25:59.05
IV.ENIC.HHN. ML:1.8 0.000792601 0.3392 AML other m 2020-04-03T08:25:58.11
IV.AIO.HHE. ML:1.2 0.00007643532 0.1984 AML other m 2020-04-03T08:26:03.16
IV.AIO.HHN. ML:1.3 0.00009629306499999999 0.2624 AML other m 2020-04-03T08:26:04.30
IV.MUCR.HHE. ML:1.2 0.00005868284 0.5376 AML other m 2020-04-03T08:26:05.49
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