Earthquake with magnitude of ML 1.6 on date 21-09-2019 and time 10:04:01 (UTC) in region 8 km W Milo (CT)

A magnitude ML 1.6 earthquake occured in region: 8 km W Milo (CT), on

  • 21-09-2019 10:04:01 (UTC)
  • 21-09-2019 12:04:01 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.74, 15.02 at 1 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 8 1087 1087
Zafferana Etnea CT 9 9517 10604
Sant'Alfio CT 11 1582 12186
Santa Venerina CT 12 8592 20778
Pedara CT 14 14102 34880
Nicolosi CT 14 7463 42343
Giarre CT 14 27659 70002
Ragalna CT 14 3924 73926
Trecastagni CT 15 10910 84836
Mascali CT 15 14282 99118
Linguaglossa CT 15 5403 104521
Piedimonte Etneo CT 16 3963 108484
Viagrande CT 16 8563 117047
Riposto CT 16 14838 131885
Randazzo CT 17 10900 142785
Maletto CT 17 3920 146705
Belpasso CT 17 28108 174813
Fiumefreddo di Sicilia CT 17 9623 184436
Aci Sant'Antonio CT 17 17984 202420
Aci Bonaccorsi CT 18 3524 205944
Biancavilla CT 18 24007 229951
Bronte CT 18 19172 249123
Moio Alcantara ME 18 717 249840
Castiglione di Sicilia CT 18 3215 253055
Santa Maria di Licodia CT 18 7641 260696
Aci Catena CT 19 29851 290547
Tremestieri Etneo CT 19 20589 311136
Mascalucia CT 19 31958 343094
San Pietro Clarenza CT 19 7743 350837
Acireale CT 19 52622 403459
Adrano CT 19 36122 439581
San Giovanni la Punta CT 19 23060 462641
Camporotondo Etneo CT 19 5023 467664
Valverde CT 20 7840 475504
Malvagna ME 20 733 476237

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)
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 2019-09-21
10:04:01
37.74 15.03 1 2020-02-28
16:41:58
Bollettino Sismico Italiano INGV 73442781
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-09-21 10:04:01 ± 0.26
Latitude 37.74 ± 0.01
Longitude 15.03 ± 0.01
Depth (km) 1 ± 6 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 73442781

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1240
Semi-minor axis of confidence ellipse (meter) 0
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 118
Circular confidence region, given by single value of horizontal uncertainty (meter) 1240
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 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.05036
Epicentral distance of station farthest from the epicenter (degree) 0.32466
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitude information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 73442781
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-10-25 13:55:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.MUCR.HHZ. 2019-09-21T10:04:08.17 0.3 undecidable manual P 338 0.3247 92 -0.31 71
IV.EPZF.HHZ. 2019-09-21T10:04:08.02 1.0 undecidable manual S 302 0.1565 95 0.71 21
IV.ECTS.EHZ. 2019-09-21T10:04:08.02 0.3 undecidable manual S 28 0.1601 95 0.58 68
IV.MNO.SHZ. 2019-09-21T10:04:08.86 0.6 undecidable manual P 306 0.322 92 0.42 46
IV.AIO.HHZ. 2019-09-21T10:04:07.77 0.6 undecidable manual P 35 0.2824 93 0.22 48
IV.EMSG.HHZ. 2019-09-21T10:04:05.85 0.3 undecidable manual S 323 0.0989 97 0.73 65
IV.EPIT.HHZ. 2019-09-21T10:04:05.09 0.6 undecidable manual S 20 0.0746 100 0.92 40
IV.ESML.HHZ. 2019-09-21T10:04:05.42 0.6 undecidable manual P 223 0.1682 94 0.4 48
IV.ENIC.HHZ. 2019-09-21T10:04:04.35 0.6 undecidable manual P 181 0.1097 97 0.63 45
IV.EPZF.HHZ. 2019-09-21T10:04:04.34 0.3 undecidable manual P 302 0.1565 95 -0.42 71
IV.ECTS.EHZ. 2019-09-21T10:04:04.81 0.3 undecidable manual P 28 0.1601 95 -0.02 77
IV.ECHR.HNZ. 2019-09-21T10:04:03.62 0.3 undecidable manual P 238 0.1043 97 0.02 78
IV.EMCN.HNZ. 2019-09-21T10:04:03.03 0.6 undecidable manual S 8 0.0504 104 -0.23 50
IV.ESLN.HHZ. 2019-09-21T10:04:03.94 0.6 undecidable manual S 220 0.0621 101 0.22 50
IV.ESLN.HHZ. 2019-09-21T10:04:02.42 0.1 positive manual P 220 0.0621 101 -0.26 100
IV.EMSG.HHZ. 2019-09-21T10:04:02.99 0.1 negative manual P 323 0.0989 97 -0.5 94
IV.EPIT.HHZ. 2019-09-21T10:04:02.53 0.1 undecidable manual P 20 0.0746 100 -0.41 97
IV.EMCN.HNZ. 2019-09-21T10:04:01.88 0.1 positive manual P 8 0.0504 104 -0.54 94
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EMCN.HNE. ML:0 0.01809904 0.1408 AML other m 2019-09-21T10:04:03.95
IV.EMCN.HNN. ML:0 0.0128365885 0.128 AML other m 2019-09-21T10:04:04.99
IV.ESLN.HHN. ML:0 0.001890177 0.2816 AML other m 2019-09-21T10:04:04.59
IV.ESLN.HHE. ML:0 0.002459698 0.2816 AML other m 2019-09-21T10:04:04.13
IV.EMSG.HHE. ML:2.2 0.0028408095 0.2624 AML other m 2019-09-21T10:04:07.27
IV.EMSG.HHN. ML:2.4 0.00461425 0.32 AML other m 2019-09-21T10:04:09.01
IV.EPZF.HHN. ML:2.1 0.001360501 0.5184 AML other m 2019-09-21T10:04:12.65
IV.EPZF.HHE. ML:2.1 0.00125265175 0.4992 AML other m 2019-09-21T10:04:12.99
IV.ENIC.HHN. ML:1.3 0.00027651115 0.2176 AML other m 2019-09-21T10:04:10.82
IV.ENIC.HHE. ML:1.4 0.0003558982 0.3008 AML other m 2019-09-21T10:04:10.89
IV.ECTS.EHN. ML:1.6 0.0004016023 0.6592 AML other m 2019-09-21T10:04:11.28
IV.ECTS.EHE. ML:1.5 0.0002993063 0.256 AML other m 2019-09-21T10:04:09.01
IV.ESML.HHN. ML:1.8 0.00063397145 0.5568 AML other m 2019-09-21T10:04:15.44
IV.ESML.HHE. ML:1.9 0.00071692935 0.416 AML other m 2019-09-21T10:04:14.18
IV.AIO.HHE. ML:1.4 0.00011705395 0.6208 AML other m 2019-09-21T10:04:17.24
IV.MUCR.HHE. ML:1.5 0.00014054845 0.4992 AML other m 2019-09-21T10:04:19.31
IV.MNO.SHN. ML:0 0.0003056045 0.8 AML other m 2019-09-21T10:04:20.09
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download