Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 31-10-2019 and time 06:48:17 (Italy) in region 10 km W Milo (CT)

A magnitude ML 1.9 earthquake occured in region: 10 km W Milo (CT), on

  • 31-10-2019 05:48:17 (UTC)
  • 31-10-2019 06:48:17 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.7420, 15.0030 at 2 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 14 3924 24702
Nicolosi CT 14 7463 32165
Pedara CT 15 14102 46267
Trecastagni CT 15 10910 57177
Maletto CT 16 3920 61097
Bronte CT 16 19172 80269
Giarre CT 16 27659 107928
Randazzo CT 16 10900 118828
Biancavilla CT 16 24007 142835
Linguaglossa CT 17 5403 148238
Viagrande CT 17 8563 156801
Belpasso CT 17 28108 184909
Mascali CT 17 14282 199191
Piedimonte Etneo CT 17 3963 203154
Santa Maria di Licodia CT 17 7641 210795
Adrano CT 17 36122 246917
Riposto CT 18 14838 261755
Moio Alcantara ME 18 717 262472
Aci Sant'Antonio CT 19 17984 280456
Aci Bonaccorsi CT 19 3524 283980
Castiglione di Sicilia CT 19 3215 287195
San Pietro Clarenza CT 19 7743 294938
Fiumefreddo di Sicilia CT 19 9623 304561
Mascalucia CT 19 31958 336519
Camporotondo Etneo CT 19 5023 341542
Tremestieri Etneo CT 19 20589 362131
Aci Catena CT 20 29851 391982
Santa Domenica Vittoria ME 20 980 392962
San Giovanni la Punta CT 20 23060 416022

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km NW of Acireale (52622 inhabitants)
28 Km N of Catania (314555 inhabitants)
70 Km SW of Reggio di Calabria (183035 inhabitants)
70 Km SW of Messina (238439 inhabitants)
80 Km NW of Siracusa (122291 inhabitants)
87 Km E of Caltanissetta (63360 inhabitants)
94 Km N of Ragusa (73313 inhabitants)
97 Km NE of Vittoria (63339 inhabitants)
100 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 1.9 2019-10-31
05:48:17		 37.7422 15.0033 2 2020-02-28
16:42:12		 Bollettino Sismico Italiano INGV 74513411
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-10-31 05:48:17 ± 0.12
Latitude 37.7422 ± 0.0027
Longitude 15.0033 ± 0.0057
Depth (km) 2 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 74513411

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 480
Semi-minor axis of confidence ellipse (meter) 78
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 284
Circular confidence region, given by single value of horizontal uncertainty (meter) 480.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 78
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
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) 0.05396
Epicentral distance of station farthest from the epicenter (degree) 0.34714
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitude information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 74513411
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-12-10 14:28:51
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GALF.HHZ. 2019-10-31T05:48:25.02 0.3 undecidable manual P 265 38.5281 93 0.13 71
IV.MUCR.HHZ. 2019-10-31T05:48:24.24 0.1 undecidable manual P 341 35.2425 93 0 97
IV.NOV.HHZ. 2019-10-31T05:48:23.53 0.6 undecidable manual P 20 33.744 93 -0.42 45
IV.AIO.HHE. 2019-10-31T05:48:23.81 0.3 undecidable manual P 38 32.4453 93 0.14 72
IV.EPZF.HHZ. 2019-10-31T05:48:22.51 0.6 undecidable manual S 305 15.6732 97 -0.16 49
IV.ESML.HHZ. 2019-10-31T05:48:21.07 0.6 undecidable manual P 218 17.5713 96 0.36 47
IV.EMSG.HHZ. 2019-10-31T05:48:21.19 0.6 undecidable manual S 332 9.879 101 0.52 46
IV.EPOZ.HHZ. 2019-10-31T05:48:21.27 0.6 undecidable manual P 116 18.0708 96 0.47 46
IV.ENIC.HHZ. 2019-10-31T05:48:21.50 0.6 undecidable manual S 173 12.3765 99 -0.03 50
IV.EPZF.HHZ. 2019-10-31T05:48:20.39 0.3 undecidable manual P 305 15.6732 97 0.05 75
IV.EPIT.HHZ. 2019-10-31T05:48:20.84 0.6 undecidable manual S 31 8.9799 102 0.48 46
IV.ECTS.EHZ. 2019-10-31T05:48:20.83 0.3 undecidable manual P 34 18.6702 96 -0.09 74
IV.ENIC.HHZ. 2019-10-31T05:48:19.65 0.6 undecidable manual P 173 12.3765 99 -0.04 50
IV.ESLN.HHZ. 2019-10-31T05:48:19.42 0.6 undecidable manual S 205 5.994 108 0.07 51
IV.EMSG.HHZ. 2019-10-31T05:48:19.07 0.1 positive manual P 332 9.879 101 -0.12 99
IV.EMCN.HNZ. 2019-10-31T05:48:19.43 0.6 undecidable manual S 26 6.0939 108 0.05 51
IV.EMCN.HNZ. 2019-10-31T05:48:18.13 0.1 positive manual P 26 6.0939 108 -0.31 96
IV.ESLN.HHZ. 2019-10-31T05:48:18.20 0.1 positive manual P 205 5.994 108 -0.23 98
IV.EPIT.HHZ. 2019-10-31T05:48:18.91 0.1 positive manual P 31 8.9799 102 -0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EMCN.HNE. ML:0.0 0.0040002965 0.1696 AML other m 2019-10-31T05:48:20.76
IV.ESLN.HHN. ML:0.0 0.0043873854999999995 0.2592 AML other m 2019-10-31T05:48:19.64
IV.EMSG.HHN. ML:2.3 0.0036387595 0.2016 AML other m 2019-10-31T05:48:23.27
IV.ENIC.HHN. ML:1.7 0.000705016 0.1408 AML other m 2019-10-31T05:48:25.30
IV.ENIC.HHE. ML:1.7 0.000804184 0.2208 AML other m 2019-10-31T05:48:26.08
IV.EPZF.HHN. ML:2.0 0.0010529458 0.4192 AML other m 2019-10-31T05:48:27.09
IV.EPZF.HHE. ML:2.0 0.0010404289 0.32 AML other m 2019-10-31T05:48:28.19
IV.EMCN.HNN. ML:0.0 0.0048281455 0.0992 AML other m 2019-10-31T05:48:21.49
IV.ESLN.HHE. ML:0.0 0.0052016895 0.24 AML other m 2019-10-31T05:48:19.65
IV.EMSG.HHE. ML:2.2 0.0033405335000000003 0.1984 AML other m 2019-10-31T05:48:25.22
IV.MUCR.HHE. ML:1.6 0.0001764073 0.56 AML other m 2019-10-31T05:48:34.79
IV.MUCR.HHN. ML:1.6 0.00017710185 0.7584 AML other m 2019-10-31T05:48:31.83
IV.GALF.HHN. ML:2.0 0.0003977043 0.88 AML other m 2019-10-31T05:48:42.04
IV.GALF.HHE. ML:2.0 0.00036256319999999995 0.8 AML other m 2019-10-31T05:48:41.41
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