Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 20-10-2019 and time 09:24:20 (UTC) in region 10 km W Milo (CT)

A magnitude ML 1.4 earthquake occured in region: 10 km W Milo (CT), on

  • 20-10-2019 09:24:20 (UTC)
  • 20-10-2019 11:24:20 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.7500, 15.0120 at 0 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 10 1087 1087
Zafferana Etnea CT 10 9517 10604
Sant'Alfio CT 12 1582 12186
Santa Venerina CT 13 8592 20778
Ragalna CT 15 3924 24702
Nicolosi CT 15 7463 32165
Pedara CT 15 14102 46267
Giarre CT 15 27659 73926
Randazzo CT 16 10900 84826
Linguaglossa CT 16 5403 90229
Maletto CT 16 3920 94149
Trecastagni CT 16 10910 105059
Piedimonte Etneo CT 16 3963 109022
Mascali CT 16 14282 123304
Bronte CT 16 19172 142476
Riposto CT 17 14838 157314
Moio Alcantara ME 17 717 158031
Viagrande CT 17 8563 166594
Biancavilla CT 17 24007 190601
Belpasso CT 18 28108 218709
Castiglione di Sicilia CT 18 3215 221924
Fiumefreddo di Sicilia CT 18 9623 231547
Santa Maria di Licodia CT 18 7641 239188
Adrano CT 19 36122 275310
Aci Sant'Antonio CT 19 17984 293294
Aci Bonaccorsi CT 19 3524 296818
Santa Domenica Vittoria ME 19 980 297798
Malvagna ME 19 733 298531
San Pietro Clarenza CT 20 7743 306274
Aci Catena CT 20 29851 336125
Mascalucia CT 20 31958 368083
Tremestieri Etneo CT 20 20589 388672

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km NW of Acireale (52622 inhabitants)
28 Km N of Catania (314555 inhabitants)
68 Km SW of Reggio di Calabria (183035 inhabitants)
69 Km SW of Messina (238439 inhabitants)
81 Km N of Siracusa (122291 inhabitants)
88 Km E of Caltanissetta (63360 inhabitants)
95 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 1.4 2019-10-20
09:24:20		 37.7497 15.0122 0 2020-02-28
16:42:19		 Bollettino Sismico Italiano INGV 75562961
Reviewed
Rev100 		ML 1.7 2019-10-20
09:24:20		 37.743 15.0202 0 2019-10-20
09:42:28		 Sala Sismica INGV-Roma 73354081
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-10-20 09:24:20 ± 0.1
Latitude 37.7497 ± 0.0045
Longitude 15.0122 ± 0.0080
Depth (km) 0 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 75562961

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 750
Semi-minor axis of confidence ellipse (meter) 380
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 305
Circular confidence region, given by single value of horizontal uncertainty (meter) 750.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 170
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.04497
Epicentral distance of station farthest from the epicenter (degree) 0.30937
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 75562961
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-01-15 13:31:21

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 73354081
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-10-20 09:42:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MNO.SHZ. 2019-10-20T09:24:27.25 0.6 undecidable manual P 306 34.3434 90 0.3 46
IV.AIO.HHZ. 2019-10-20T09:24:26.73 0.1 undecidable manual P 38 31.2465 90 0.39 90
IV.NOV.HHZ. 2019-10-20T09:24:26.94 0.6 undecidable manual P 19 32.745 90 0.31 46
IV.ECTS.EHZ. 2019-10-20T09:24:25.81 0.6 undecidable manual S 33 17.4714 91 -0.34 47
IV.EPZF.HHZ. 2019-10-20T09:24:23.16 0.1 undecidable manual P 301 15.873 91 -0.1 98
IV.ECTS.EHZ. 2019-10-20T09:24:23.49 0.3 undecidable manual P 33 17.4714 91 -0.1 74
IV.EMSG.HHZ. 2019-10-20T09:24:23.58 0.6 undecidable manual S 325 9.5793 91 0.17 49
IV.ESLN.HHZ. 2019-10-20T09:24:22.80 0.6 undecidable manual S 208 7.0929 91 0.27 48
IV.ECHR.HNZ. 2019-10-20T09:24:22.58 0.6 undecidable manual P 231 11.1777 91 0.26 48
IV.EPIT.HHZ. 2019-10-20T09:24:22.97 0.3 undecidable manual S 30 7.881 91 0.16 74
IV.EPIT.HHZ. 2019-10-20T09:24:21.57 0.1 positive manual P 30 7.881 91 -0.09 100
IV.EMCN.HNZ. 2019-10-20T09:24:21.99 0.6 undecidable manual S 22 4.995 92 0.18 49
IV.EMSG.HHZ. 2019-10-20T09:24:21.79 0.1 undecidable manual P 325 9.5793 91 -0.21 97
IV.ESLN.HHZ. 2019-10-20T09:24:21.24 0.1 positive manual P 208 7.0929 91 -0.26 97
IV.EMCN.HNZ. 2019-10-20T09:24:20.76 0.1 positive manual P 22 4.995 92 -0.31 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EMCN.HNE. ML:0.0 0.0061738165 0.1088 AML other m 2019-10-20T09:24:22.29
IV.EMCN.HNN. ML:0.0 0.005332916 0.0704 AML other m 2019-10-20T09:24:23.52
IV.ESLN.HHN. ML:0.0 0.00061399335 0.2816 AML other m 2019-10-20T09:24:23.22
IV.ESLN.HHE. ML:0.0 0.00095208805 1.84 AML other m 2019-10-20T09:24:22.97
IV.EMSG.HHE. ML:2.0 0.002032417 0.2624 AML other m 2019-10-20T09:24:26.65
IV.EMSG.HHN. ML:1.9 0.0015913965 0.3392 AML other m 2019-10-20T09:24:25.49
IV.EPZF.HHN. ML:1.6 0.00040740875 0.3648 AML other m 2019-10-20T09:24:29.68
IV.EPZF.HHE. ML:1.4 0.0002539477 0.32 AML other m 2019-10-20T09:24:29.85
IV.AIO.HHN. ML:1.2 0.000075345565 0.4416 AML other m 2019-10-20T09:24:33.56
IV.AIO.HHE. ML:1.0 0.000050770485000000004 0.4224 AML other m 2019-10-20T09:24:33.86
IV.NOV.HHN. ML:1.6 0.00019624049999999999 0.3392 AML other m 2019-10-20T09:24:36.07
IV.NOV.HHE. ML:1.7 0.000247282 0.3648 AML other m 2019-10-20T09:24:36.23
IV.MNO.SHN. ML:0.0 0.00013880910000000003 0.5184 AML other m 2019-10-20T09:24:42.51
IV.MNO.SHE. ML:0.0 0.0001230414 0.4864 AML other m 2019-10-20T09:24:36.70
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