Earthquake with magnitude of ML 1.7 on date 29-11-2020 and time 17:20:31 (Italy) in region 6 km NW Milo (CT)

A magnitude ML 1.7 earthquake occured in region: 6 km NW Milo (CT), on

  • 29-11-2020 16:20:31 (UTC)
  • 29-11-2020 17:20:31 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.7600, 15.0660 at 7 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 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 12 14282 66682
Linguaglossa CT 12 5403 72085
Riposto CT 13 14838 86923
Fiumefreddo di Sicilia CT 13 9623 96546
Castiglione di Sicilia CT 15 3215 99761
Pedara CT 16 14102 113863
Moio Alcantara ME 16 717 114580
Trecastagni CT 16 10910 125490
Calatabiano CT 16 5308 130798
Nicolosi CT 16 7463 138261
Viagrande CT 17 8563 146824
Randazzo CT 17 10900 157724
Francavilla di Sicilia ME 17 3945 161669
Gaggi ME 18 3184 164853
Aci Sant'Antonio CT 18 17984 182837
Malvagna ME 18 733 183570
Motta Camastra ME 18 845 184415
Ragalna CT 18 3924 188339
Aci Bonaccorsi CT 18 3524 191863
Acireale CT 19 52622 244485
Aci Catena CT 19 29851 274336
Maletto CT 19 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)
65 Km SW of Messina (238439 inhabitants)
80 Km N of Siracusa (122291 inhabitants)
93 Km E of Caltanissetta (63360 inhabitants)
97 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 1.7 2020-11-29
16:20:31
37.7595 15.0657 7 2021-02-26
14:56:17
Bollettino Sismico Italiano INGV 86657911
Reviewed
Rev200
ML 1.6 2020-11-29
16:20:31
37.754 15.051 4 2021-01-28
16:54:02
Sala Operativa INGV_OE (Catania) 85092441
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-11-29 16:20:31 ± 0.15
Latitude 37.7595 ± 0.0063
Longitude 15.0657 ± 0.0068
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 86657911

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 701
Semi-minor axis of confidence ellipse (meter) 167
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 169
Circular confidence region, given by single value of horizontal uncertainty (meter) 700.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 86
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) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.02608
Epicentral distance of station farthest from the epicenter (degree) 0.39750
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 86657911
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-01-28 16:53:46

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 85092441
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2020-11-29 16:23:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GALF.HHZ. 2020-11-29T16:20:40.96 0.6 undecidable manual P 263 44.1225 50 0.53 42
IV.MUCR.HHZ. 2020-11-29T16:20:38.61 0.3 undecidable manual P 332 35.6421 102 -0.41 66
IV.EMSG.HHZ. 2020-11-29T16:20:37.27 0.6 undecidable manual S 304 12.1767 121 0.6 43
IV.AIO.HHZ. 2020-11-29T16:20:37.22 0.3 undecidable manual P 32 27.6501 105 -0.25 69
IV.EPZF.HHZ. 2020-11-29T16:20:35.92 0.3 undecidable manual P 291 19.6692 110 -0.01 73
IV.ESLN.HHZ. 2020-11-29T16:20:35.64 0.6 undecidable manual S 228 10.878 124 -0.63 43
IV.EPOZ.HHZ. 2020-11-29T16:20:35.50 0.3 undecidable manual P 132 14.4744 117 0.51 66
IV.ECHR.HHE. 2020-11-29T16:20:35.42 0.3 undecidable manual P 239 15.6732 115 0.23 71
IV.EMCN.HHZ. 2020-11-29T16:20:34.96 0.6 undecidable manual S 321 4.4955 148 0.25 48
IV.ECBD.HHN. 2020-11-29T16:20:34.59 0.6 undecidable manual S 39 2.8971 158 0.13 49
IV.EMSG.HHZ. 2020-11-29T16:20:34.57 0.1 undecidable manual P 304 12.1767 121 -0.01 99
IV.EFIU.HHE. 2020-11-29T16:20:34.88 0.3 undecidable manual P 75 13.0758 119 0.14 72
IV.ECTS.HHZ. 2020-11-29T16:20:34.66 0.3 undecidable manual P 20 14.4744 117 -0.31 70
IV.EVRN.HHZ. 2020-11-29T16:20:34.07 0.3 undecidable manual P 142 9.879 126 -0.13 73
IV.ECNE.HHN. 2020-11-29T16:20:33.79 0.3 undecidable manual P 277 5.5944 142 0.21 72
IV.EMCN.HHZ. 2020-11-29T16:20:33.36 0.1 undecidable manual P 321 4.4955 148 -0.09 99
IV.ECBD.HHN. 2020-11-29T16:20:33.26 0.1 undecidable manual P 39 2.8971 158 -0.05 100
IV.ESLN.HHZ. 2020-11-29T16:20:33.86 0.3 undecidable manual P 228 10.878 124 -0.49 67
IV.EPIT.HHN. 2020-11-29T16:20:33.66 0.1 undecidable manual P 352 5.7942 142 0.06 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EMSG.HHN. ML:2.3 0.00239 1.08 AML other m 2020-11-29T16:20:37.72
IV.ECTS.HHE. ML:1.6 0.000395 0.2 AML other m 2020-11-29T16:20:38.06
IV.ECTS.HHN. ML:1.5 0.0003325 1.24 AML other m 2020-11-29T16:20:38.94
IV.EPOZ.HHN. ML:2.0 0.0012250000000000002 0.78 AML other m 2020-11-29T16:20:40.12
IV.EMSG.HHE. ML:2.1 0.00174 1.1 AML other m 2020-11-29T16:20:42.22
IV.EPOZ.HHE. ML:1.9 0.0008029999999999999 0.28 AML other m 2020-11-29T16:20:42.43
IV.AIO.HHN. ML:1.4 0.00013550000000000001 0.38 AML other m 2020-11-29T16:20:44.06
IV.AIO.HHE. ML:1.4 0.00013000000000000002 0.38 AML other m 2020-11-29T16:20:44.23
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