Earthquake with magnitude of ML 1.7 on date 11-01-2021 and time 14:31:04 (Italy) in region 7 km W Milo (CT)

A magnitude ML 1.7 earthquake occured in region: 7 km W Milo (CT), on

  • 11-01-2021 13:31:04 (UTC)
  • 11-01-2021 14:31:04 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.7500, 15.0500 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 7 1087 1087
Zafferana Etnea CT 8 9517 10604
Sant'Alfio CT 8 1582 12186
Santa Venerina CT 11 8592 20778
Giarre CT 12 27659 48437
Mascali CT 13 14282 62719
Piedimonte Etneo CT 13 3963 66682
Linguaglossa CT 13 5403 72085
Riposto CT 14 14838 86923
Pedara CT 15 14102 101025
Fiumefreddo di Sicilia CT 15 9623 110648
Trecastagni CT 15 10910 121558
Nicolosi CT 15 7463 129021
Viagrande CT 16 8563 137584
Castiglione di Sicilia CT 16 3215 140799
Ragalna CT 16 3924 144723
Moio Alcantara ME 17 717 145440
Randazzo CT 17 10900 156340
Aci Sant'Antonio CT 17 17984 174324
Aci Bonaccorsi CT 18 3524 177848
Calatabiano CT 18 5308 183156
Aci Catena CT 18 29851 213007
Maletto CT 18 3920 216927
Acireale CT 18 52622 269549
Belpasso CT 19 28108 297657
Francavilla di Sicilia ME 19 3945 301602
Malvagna ME 19 733 302335
Tremestieri Etneo CT 19 20589 322924
San Giovanni la Punta CT 20 23060 345984
Gaggi ME 20 3184 349168
Bronte CT 20 19172 368340
Motta Camastra ME 20 845 369185
Mascalucia CT 20 31958 401143
Biancavilla CT 20 24007 425150
San Pietro Clarenza CT 20 7743 432893
Santa Domenica Vittoria ME 20 980 433873
Valverde CT 20 7840 441713

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km NW of Acireale (52622 inhabitants)
28 Km N of Catania (314555 inhabitants)
66 Km SW of Reggio di Calabria (183035 inhabitants)
67 Km SW of Messina (238439 inhabitants)
80 Km N of Siracusa (122291 inhabitants)
92 Km E of Caltanissetta (63360 inhabitants)
96 Km N of Ragusa (73313 inhabitants)
100 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 1.7 2021-01-11
13:31:04
37.7502 15.0495 7 2021-07-12
16:55:00
Bollettino Sismico Italiano INGV 87628961
Reviewed
Rev200
ML 1.3 2021-01-11
13:31:03
37.753 15.046 3 2021-03-02
15:06:14
Sala Operativa INGV_OE (Catania) 86173201
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-01-11 13:31:04 ± 0.16
Latitude 37.7502 ± 0.0054
Longitude 15.0495 ± 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 87628961

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 638
Semi-minor axis of confidence ellipse (meter) 93
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 133
Circular confidence region, given by single value of horizontal uncertainty (meter) 640.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 94
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.04227
Epicentral distance of station farthest from the epicenter (degree) 0.32376
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 86173201
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2021-01-11 13:38:45

ML:1.7

Field Value
Value 1.7
Uncertainty 0.4
Num. used stations 10
Type of magnitude ML
Reference to an origin 87628961
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-03-02 15:06:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MUCR.HHZ. 2021-01-11T13:31:11.43 0.3 undecidable manual P 335 35.9418 100 -0.02 71
IV.AIO.HHZ. 2021-01-11T13:31:09.95 0.3 undecidable manual P 33 29.3484 103 -0.2 69
IV.ESLN.HHZ. 2021-01-11T13:31:08.03 0.6 undecidable manual S 226 9.0798 126 0 50
IV.EPZF.HHZ. 2021-01-11T13:31:08.24 0.3 undecidable manual P 296 18.7701 109 0.13 72
IV.EPIT.HHN. 2021-01-11T13:31:08.00 0.6 undecidable manual S 5 6.7932 134 0.59 44
IV.EPOZ.HHZ. 2021-01-11T13:31:07.98 0.3 undecidable manual P 125 14.9739 114 0.57 65
IV.EMCN.HNZ. 2021-01-11T13:31:07.04 0.6 undecidable manual S 343 4.7952 144 0.1 49
IV.ECTS.HHZ. 2021-01-11T13:31:07.36 0.3 undecidable manual P 23 15.873 112 -0.22 71
IV.EMSG.HHZ. 2021-01-11T13:31:07.07 0.1 undecidable manual P 312 11.7771 119 0.25 95
IV.EFIU.HHE. 2021-01-11T13:31:07.48 0.1 undecidable manual P 73 14.7741 114 0.11 97
IV.EVRN.HHZ. 2021-01-11T13:31:06.49 0.3 undecidable manual P 132 10.1787 123 -0.06 74
IV.EPIT.HHN. 2021-01-11T13:31:06.04 0.1 undecidable manual P 5 6.7932 134 0.01 100
IV.ESLN.HHZ. 2021-01-11T13:31:06.07 0.3 undecidable manual P 226 9.0798 126 -0.31 70
IV.ECBD.HHN. 2021-01-11T13:31:06.83 0.6 undecidable manual S 44 4.6953 145 -0.09 49
IV.ECBD.HHN. 2021-01-11T13:31:05.39 0.1 undecidable manual P 44 4.6953 145 -0.35 94
IV.EMCN.HNZ. 2021-01-11T13:31:05.57 0.1 undecidable manual P 343 4.7952 144 -0.18 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EVRN.HNE. ML:1.9 0.0011919683000000002 0.1472 AML other m 2021-01-11T13:31:10.51
IV.EVRN.HHE. ML:1.9 0.0012975604999999999 0.2432 AML other m 2021-01-11T13:31:10.89
IV.EVRN.HHN. ML:2.0 0.0015350000000000001 0.22 AML other m 2021-01-11T13:31:11.17
IV.EVRN.HNN. ML:2.0 0.0017050000000000001 0.22 AML other m 2021-01-11T13:31:11.17
IV.EMSG.HHN. ML:1.8 0.0008561945 0.1856 AML other m 2021-01-11T13:31:13.84
IV.EMSG.HHE. ML:1.9 0.00117 0.48 AML other m 2021-01-11T13:31:14.74
IV.EMCN.HHN. ML:0.0 0.003203728 0.1792 AML other m 2021-01-11T13:31:08.02
IV.EMCN.HNE. ML:0.0 0.0027218005 0.1024 AML other m 2021-01-11T13:31:08.45
IV.EMCN.HHE. ML:0.0 0.002887013 0.1984 AML other m 2021-01-11T13:31:08.72
IV.EMCN.HNN. ML:0.0 0.0030573595 0.192 AML other m 2021-01-11T13:31:08.02
IV.AIO.HHN. ML:1.0 0.00005328097 0.6976 AML other m 2021-01-11T13:31:21.42
IV.AIO.HHE. ML:1.1 0.00005974245 0.4992 AML other m 2021-01-11T13:31:16.85
IV.MUCR.HHN. ML:1.1 0.00005468045 0.9024 AML other m 2021-01-11T13:31:24.61
IV.MUCR.HHE. ML:1.1 0.00005647192 0.5568 AML other m 2021-01-11T13:31:22.09
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