Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 21-09-2019 and time 12:13:47 (Italy) in region 8 km W Milo (CT)

A magnitude ML 2.3 earthquake occured in region: 8 km W Milo (CT), on

  • 21-09-2019 10:13:47 (UTC)
  • 21-09-2019 12:13:47 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.7400, 15.0240 at 3 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

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 8 1087 1087
Zafferana Etnea CT 9 9517 10604
Sant'Alfio CT 11 1582 12186
Santa Venerina CT 12 8592 20778
Nicolosi CT 14 7463 28241
Pedara CT 14 14102 42343
Ragalna CT 14 3924 46267
Giarre CT 14 27659 73926
Trecastagni CT 14 10910 84836
Mascali CT 15 14282 99118
Linguaglossa CT 16 5403 104521
Piedimonte Etneo CT 16 3963 108484
Viagrande CT 16 8563 117047
Riposto CT 16 14838 131885
Belpasso CT 17 28108 159993
Randazzo CT 17 10900 170893
Maletto CT 17 3920 174813
Fiumefreddo di Sicilia CT 17 9623 184436
Aci Bonaccorsi CT 17 3524 187960
Aci Sant'Antonio CT 17 17984 205944
Biancavilla CT 17 24007 229951
Bronte CT 18 19172 249123
Moio Alcantara ME 18 717 249840
Santa Maria di Licodia CT 18 7641 257481
Castiglione di Sicilia CT 18 3215 260696
Aci Catena CT 18 29851 290547
San Pietro Clarenza CT 19 7743 298290
Tremestieri Etneo CT 19 20589 318879
Mascalucia CT 19 31958 350837
Adrano CT 19 36122 386959
Acireale CT 19 52622 439581
San Giovanni la Punta CT 19 23060 462641
Camporotondo Etneo CT 19 5023 467664
Valverde CT 20 7840 475504
Gravina di Catania CT 20 25838 501342

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km NW of Acireale (52622 inhabitants)
27 Km N of Catania (314555 inhabitants)
68 Km SW of Reggio di Calabria (183035 inhabitants)
69 Km SW of Messina (238439 inhabitants)
79 Km N of Siracusa (122291 inhabitants)
89 Km E of Caltanissetta (63360 inhabitants)
94 Km N of Ragusa (73313 inhabitants)
98 Km NE of Vittoria (63339 inhabitants)
101 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 2.3 2019-09-21
10:13:47		 37.7395 15.0243 3 2020-02-28
16:42:00		 Bollettino Sismico Italiano INGV 73532631
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-09-21 10:13:47 ± 0.17
Latitude 37.7395 ± 0.0063
Longitude 15.0243 ± 0.0102
Depth (km) 3 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 73532631

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 990
Semi-minor axis of confidence ellipse (meter) 0
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 115
Circular confidence region, given by single value of horizontal uncertainty (meter) 990.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 146
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.05216
Epicentral distance of station farthest from the epicenter (degree) 0.63762
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitude information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.4
Num. used stations 19
Type of magnitude ML
Reference to an origin 73532631
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-12-03 10:48:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.IVPL.HHZ. 2019-09-21T10:14:00.96 0.6 undecidable manual P 357 70.7736 50 -0.04 45
IV.GALF.HHZ. 2019-09-21T10:13:56.38 0.3 undecidable manual P 266 40.3263 95 0.6 63
IV.MNO.SHZ. 2019-09-21T10:13:55.01 0.3 undecidable manual P 306 35.8419 95 0.12 71
IV.MUCR.HHZ. 2019-09-21T10:13:54.83 0.1 negative manual P 339 36.1416 95 -0.12 95
IV.EPZF.HHZ. 2019-09-21T10:13:54.70 0.6 undecidable manual S 303 17.3715 101 0.87 39
IV.NOV.HHZ. 2019-09-21T10:13:54.48 0.3 undecidable manual P 17 33.4443 96 0.06 73
IV.AIO.HHZ. 2019-09-21T10:13:54.20 0.3 undecidable manual P 35 31.5462 96 0.17 71
IV.ESML.HHZ. 2019-09-21T10:13:51.50 0.3 undecidable manual P 223 18.5703 100 0.05 75
IV.EPIT.HHZ. 2019-09-21T10:13:51.89 0.3 undecidable manual S 20 8.4804 111 1.06 54
IV.EMSG.HHZ. 2019-09-21T10:13:51.86 0.3 undecidable manual S 324 11.1777 107 0.15 74
IV.ECTS.EHZ. 2019-09-21T10:13:51.26 0.3 undecidable manual P 28 17.9709 100 -0.07 75
IV.EPZF.HHZ. 2019-09-21T10:13:50.70 0.3 undecidable manual P 303 17.3715 101 -0.53 67
IV.ESLN.HHZ. 2019-09-21T10:13:50.39 0.3 undecidable manual S 221 6.6933 116 0.11 75
IV.ENIC.HHZ. 2019-09-21T10:13:50.68 0.3 undecidable manual P 181 11.9769 105 0.51 69
IV.EMSG.HHZ. 2019-09-21T10:13:49.59 0.1 positive manual P 324 11.1777 107 -0.42 93
IV.EMCN.HNZ. 2019-09-21T10:13:49.81 0.3 undecidable manual S 8 5.7942 120 -0.18 74
IV.ECHR.HNZ. 2019-09-21T10:13:49.76 0.3 undecidable manual P 239 11.3775 106 -0.3 72
IV.EPIT.HHZ. 2019-09-21T10:13:49.38 0.1 undecidable manual P 20 8.4804 111 -0.12 100
IV.EMCN.HNZ. 2019-09-21T10:13:48.56 0.1 positive manual P 8 5.7942 120 -0.46 94
IV.ESLN.HHZ. 2019-09-21T10:13:48.90 0.1 positive manual P 221 6.6933 116 -0.28 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EMSG.HHE. ML:3.1 0.02062425 0.3392 AML other m 2019-09-21T10:13:52.82
IV.EMSG.HHN. ML:3.0 0.017754139999999998 0.256 AML other m 2019-09-21T10:13:54.97
IV.ENIC.HHE. ML:1.9 0.001224081 0.3456 AML other m 2019-09-21T10:13:57.04
IV.EPZF.HHE. ML:2.6 0.0041263045 0.4224 AML other m 2019-09-21T10:13:58.32
IV.ENIC.HHN. ML:1.8 0.0008992646 0.384 AML other m 2019-09-21T10:13:58.47
IV.ECTS.EHE. ML:2.0 0.0010055406499999999 0.3392 AML other m 2019-09-21T10:13:58.92
IV.ECTS.EHN. ML:2.1 0.00125247355 0.4032 AML other m 2019-09-21T10:13:59.22
IV.EPZF.HHN. ML:2.8 0.0055669709999999996 0.3584 AML other m 2019-09-21T10:13:59.54
IV.ESML.HHN. ML:2.4 0.0022582979999999997 0.5568 AML other m 2019-09-21T10:14:01.31
IV.ESML.HHE. ML:2.3 0.0018691785 0.4224 AML other m 2019-09-21T10:14:01.59
IV.MUCR.HHN. ML:2.3 0.0008408125 0.8832 AML other m 2019-09-21T10:14:05.78
IV.NOV.HHE. ML:2.6 0.0016864685 0.4352 AML other m 2019-09-21T10:14:05.36
IV.MNO.SHN. ML:0.0 0.0008169305 0.5632 AML other m 2019-09-21T10:14:05.94
IV.MUCR.HHE. ML:2.0 0.0004142606 0.7616 AML other m 2019-09-21T10:14:07.97
IV.MNO.SHE. ML:0.0 0.0007297955 0.8 AML other m 2019-09-21T10:14:08.02
IV.GALF.HHE. ML:2.8 0.002110052 0.7424 AML other m 2019-09-21T10:14:13.34
IV.GALF.HNE. ML:1.9 0.00030118725 0.8128 AML other m 2019-09-21T10:14:12.93
IV.IVPL.HHN. ML:2.2 0.00029262265 0.8 AML other m 2019-09-21T10:14:19.20
IV.IVPL.HHE. ML:2.2 0.00029033215 0.4992 AML other m 2019-09-21T10:14:20.96
IV.SOI.EHN. ML:1.6 0.000043238285 1.0176 AML other m 2019-09-21T10:14:23.89
IV.SOI.EHE. ML:1.6 0.00004187211 0.7616 AML other m 2019-09-21T10:14:27.12
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