Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 01-09-2020 and time 19:52:57 (Italy) in region 6 km NW Milo (CT)

A magnitude ML 1.8 earthquake occured in region: 6 km NW Milo (CT), on

  • 01-09-2020 17:52:57 (UTC)
  • 01-09-2020 19:52:57 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.7610, 15.0700 at 6 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
Sant'Alfio CT 7 1582 2669
Zafferana Etnea CT 8 9517 12186
Santa Venerina CT 10 8592 20778
Giarre CT 11 27659 48437
Piedimonte Etneo CT 11 3963 52400
Mascali CT 11 14282 66682
Linguaglossa CT 11 5403 72085
Riposto CT 12 14838 86923
Fiumefreddo di Sicilia CT 13 9623 96546
Castiglione di Sicilia CT 14 3215 99761
Moio Alcantara ME 16 717 100478
Calatabiano CT 16 5308 105786
Pedara CT 16 14102 119888
Trecastagni CT 16 10910 130798
Nicolosi CT 17 7463 138261
Viagrande CT 17 8563 146824
Francavilla di Sicilia ME 17 3945 150769
Randazzo CT 17 10900 161669
Gaggi ME 17 3184 164853
Motta Camastra ME 18 845 165698
Malvagna ME 18 733 166431
Aci Sant'Antonio CT 18 17984 184415
Aci Bonaccorsi CT 18 3524 187939
Ragalna CT 18 3924 191863
Acireale CT 19 52622 244485
Aci Catena CT 19 29851 274336
Maletto CT 20 3920 278256
Santa Domenica Vittoria ME 20 980 279236
Roccella Valdemone ME 20 666 279902

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km NW of Acireale (52622 inhabitants)
29 Km N of Catania (314555 inhabitants)
64 Km SW of Reggio di Calabria (183035 inhabitants)
64 Km SW of Messina (238439 inhabitants)
80 Km N of Siracusa (122291 inhabitants)
94 Km E of Caltanissetta (63360 inhabitants)
98 Km N of Ragusa (73313 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 1.8 2020-09-01
17:52:57		 37.761 15.0705 7 2021-02-26
14:55:56		 Bollettino Sismico Italiano INGV 83152401
Reviewed
Rev200 		ML 1.6 2020-09-01
17:52:57		 37.752 15.047 4 2020-11-23
10:00:22		 Sala Operativa INGV_OE (Catania) 82537271
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-09-01 17:52:57 ± 0.08
Latitude 37.7610 ± 0.0027
Longitude 15.0705 ± 0.0046
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 83152401

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 410
Semi-minor axis of confidence ellipse (meter) 48
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 93
Circular confidence region, given by single value of horizontal uncertainty (meter) 410.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 59
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 27
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.02338
Epicentral distance of station farthest from the epicenter (degree) 0.60255
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 82537271
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2020-09-01 17:57:53

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 27
Type of magnitude ML
Reference to an origin 83152401
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-09-23 07:50:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSY.HHE. 2020-09-01T17:53:09.79 0.6 undecidable manual P 180 66.8775 50 -0.5 41
IV.NOV.HHZ. 2020-09-01T17:53:08.88 0.6 undecidable manual S 11 30.1476 102 0.21 47
IV.MPNC.HHZ. 2020-09-01T17:53:07.75 0.6 positive manual P 30 49.4172 50 0.16 45
IV.GALF.HHZ. 2020-09-01T17:53:07.22 0.6 negative manual P 263 44.5221 50 0.37 44
IV.MUCR.HHZ. 2020-09-01T17:53:04.96 0.6 undecidable manual P 331 35.742 100 -0.28 45
IV.EMSG.HHN. 2020-09-01T17:53:03.11 0.6 undecidable manual S 302 12.4764 117 0.26 48
IV.ENIC.HHZ. 2020-09-01T17:53:03.32 0.6 undecidable manual S 197 14.9739 113 -0.32 47
IV.NOV.HHZ. 2020-09-01T17:53:03.92 0.3 undecidable manual P 11 30.1476 102 -0.23 70
IV.ECTS.HHZ. 2020-09-01T17:53:03.37 0.6 undecidable manual S 18 14.1747 115 0.01 50
IV.AIO.HHZ. 2020-09-01T17:53:03.25 0.3 undecidable manual P 31 27.3504 103 -0.34 68
IV.EVRN.HHZ. 2020-09-01T17:53:02.23 0.6 undecidable manual S 144 9.7791 123 0.18 49
IV.EPZF.HHZ. 2020-09-01T17:53:02.12 0.1 undecidable manual P 291 19.9689 108 -0.06 98
IV.ESLN.HHZ. 2020-09-01T17:53:02.11 0.6 undecidable manual S 228 11.2776 120 -0.38 46
IV.EFIU.HHE. 2020-09-01T17:53:02.20 0.6 undecidable manual S 75 12.6762 117 -0.7 42
IV.EFIU.HHE. 2020-09-01T17:53:01.00 0.3 undecidable manual P 75 12.6762 117 0.18 72
IV.ENIC.HHZ. 2020-09-01T17:53:01.44 0.6 undecidable manual P 197 14.9739 113 0.2 48
IV.EPOZ.HHZ. 2020-09-01T17:53:01.56 0.1 positive manual P 134 14.2746 114 0.44 91
IV.ECTS.HHZ. 2020-09-01T17:53:00.90 0.6 undecidable manual P 18 14.1747 115 -0.19 48
IV.ECBD.HHN. 2020-09-01T17:53:00.34 0.6 undecidable manual S 33 2.5974 159 -0.05 51
IV.EMSG.HHN. 2020-09-01T17:53:00.87 0.1 positive manual P 302 12.4764 117 0.08 99
IV.EPIT.HHN. 2020-09-01T17:53:00.86 0.6 undecidable manual S 348 5.6943 139 -0.11 50
IV.EVRN.HHZ. 2020-09-01T17:53:00.37 0.1 positive manual P 144 9.7791 123 0.05 100
IV.EMCN.HHN. 2020-09-01T17:53:00.68 0.6 undecidable manual S 316 4.6953 144 -0.06 50
IV.ESLN.HHZ. 2020-09-01T17:53:00.43 0.1 positive manual P 228 11.2776 120 -0.15 98
IV.EMCN.HHN. 2020-09-01T17:52:59.65 0.1 undecidable manual P 316 4.6953 144 0.08 100
IV.ECBD.HHN. 2020-09-01T17:52:59.47 0.1 undecidable manual P 33 2.5974 159 0.1 100
IV.EPIT.HHN. 2020-09-01T17:52:59.94 0.1 positive manual P 348 5.6943 139 0.24 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EMCN.HHN. ML:0.0 0.008053069000000001 0.192 AML other m 2020-09-01T17:53:02.07
IV.EMCN.HNE. ML:0.0 0.0073152625 0.128 AML other m 2020-09-01T17:53:03.31
IV.EMCN.HHE. ML:0.0 0.0076532985 0.1408 AML other m 2020-09-01T17:53:03.32
IV.EMCN.HNN. ML:0.0 0.008027795 0.192 AML other m 2020-09-01T17:53:02.07
IV.EVRN.HNE. ML:2.0 0.001528696 0.1408 AML other m 2020-09-01T17:53:03.61
IV.EVRN.HHE. ML:2.1 0.0018643535 0.1408 AML other m 2020-09-01T17:53:03.68
IV.EVRN.HHN. ML:2.2 0.0025072825 0.2432 AML other m 2020-09-01T17:53:03.39
IV.EVRN.HNN. ML:2.2 0.0027884760000000002 0.2304 AML other m 2020-09-01T17:53:03.39
IV.ESLN.HHN. ML:1.7 0.0007585779500000001 0.3712 AML other m 2020-09-01T17:53:02.32
IV.ESLN.HHE. ML:1.7 0.00067661755 0.5888 AML other m 2020-09-01T17:53:02.59
IV.EMSG.HHN. ML:2.0 0.0013262610000000002 0.3456 AML other m 2020-09-01T17:53:04.49
IV.EMSG.HHE. ML:2.1 0.0016144924999999999 0.3456 AML other m 2020-09-01T17:53:04.06
IV.ECTS.HHN. ML:1.4 0.00032132905 0.3456 AML other m 2020-09-01T17:53:05.29
IV.ECTS.HHE. ML:1.4 0.00030351309999999997 0.448 AML other m 2020-09-01T17:53:06.55
IV.ENIC.HHN. ML:1.8 0.0006657078499999999 0.1408 AML other m 2020-09-01T17:53:06.57
IV.ENIC.HHE. ML:1.9 0.00082143445 0.1536 AML other m 2020-09-01T17:53:05.68
IV.ENIC.HNE. ML:1.9 0.00081497895 0.1664 AML other m 2020-09-01T17:53:05.69
IV.EPOZ.HHE. ML:2.1 0.0013056728 0.4736 AML other m 2020-09-01T17:53:07.27
IV.EPOZ.HNE. ML:2.0 0.0012578266 0.4864 AML other m 2020-09-01T17:53:07.28
IV.EPZF.HHE. ML:1.8 0.00044885115000000005 0.384 AML other m 2020-09-01T17:53:08.98
IV.EPZF.HHN. ML:1.8 0.00045419275000000006 0.3584 AML other m 2020-09-01T17:53:08.40
IV.AIO.HHE. ML:1.2 0.00009436288000000001 0.3968 AML other m 2020-09-01T17:53:11.08
IV.AIO.HHN. ML:1.2 0.000098587985 0.2816 AML other m 2020-09-01T17:53:09.08
IV.NOV.HHE. ML:1.8 0.0003146567 0.2816 AML other m 2020-09-01T17:53:09.13
IV.NOV.HHN. ML:2.0 0.0004551402 0.4224 AML other m 2020-09-01T17:53:09.69
IV.MUCR.HHE. ML:1.3 0.00007583085 0.4096 AML other m 2020-09-01T17:53:11.63
IV.MUCR.HHN. ML:1.5 0.00012970235000000002 0.3968 AML other m 2020-09-01T17:53:14.62
IV.GALF.HHN. ML:1.6 0.000126817055 0.3712 AML other m 2020-09-01T17:53:20.40
IV.GALF.HNN. ML:1.5 0.000104998355 0.6784 AML other m 2020-09-01T17:53:12.60
IV.MPNC.HHE. ML:1.5 0.00007915153499999999 0.3584 AML other m 2020-09-01T17:53:17.30
IV.MPNC.HHN. ML:1.5 0.00008405819500000001 0.4864 AML other m 2020-09-01T17:53:20.14
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