Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 10-10-2020 and time 01:51:31 (Italy) in region 12 km W Milo (CT)

A magnitude ML 1.5 earthquake occured in region: 12 km W Milo (CT), on

  • 09-10-2020 23:51:31 (UTC)
  • 10-10-2020 01:51:31 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.7600, 14.9910 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 12 1087 1087
Zafferana Etnea CT 12 9517 10604
Maletto CT 13 3920 14524
Sant'Alfio CT 14 1582 16106
Randazzo CT 14 10900 27006
Bronte CT 14 19172 46178
Ragalna CT 15 3924 50102
Santa Venerina CT 15 8592 58694
Linguaglossa CT 16 5403 64097
Nicolosi CT 16 7463 71560
Moio Alcantara ME 16 717 72277
Pedara CT 17 14102 86379
Biancavilla CT 17 24007 110386
Piedimonte Etneo CT 17 3963 114349
Giarre CT 17 27659 142008
Santa Domenica Vittoria ME 18 980 142988
Adrano CT 18 36122 179110
Trecastagni CT 18 10910 190020
Mascali CT 18 14282 204302
Castiglione di Sicilia CT 18 3215 207517
Santa Maria di Licodia CT 18 7641 215158
Malvagna ME 19 733 215891
Belpasso CT 19 28108 243999
Riposto CT 19 14838 258837
Viagrande CT 19 8563 267400
Roccella Valdemone ME 19 666 268066
Fiumefreddo di Sicilia CT 20 9623 277689
Maniace CT 20 3765 281454

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km NW of Acireale (52622 inhabitants)
30 Km N of Catania (314555 inhabitants)
69 Km SW of Reggio di Calabria (183035 inhabitants)
69 Km SW of Messina (238439 inhabitants)
82 Km NW of Siracusa (122291 inhabitants)
87 Km E of Caltanissetta (63360 inhabitants)
96 Km N of Ragusa (73313 inhabitants)
99 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 1.5 2020-10-09
23:51:31		 37.7602 14.9912 2 2021-02-26
14:55:59		 Bollettino Sismico Italiano INGV 83822561
Reviewed
Rev200 		ML 1.1 2020-10-09
23:51:30		 37.754 14.999 1 2020-12-28
15:26:46		 Sala Operativa INGV_OE (Catania) 83659811
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-10-09 23:51:31 ± 0.12
Latitude 37.7602 ± 0.0045
Longitude 14.9912 ± 0.0080
Depth (km) 2 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 83822561

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 679
Semi-minor axis of confidence ellipse (meter) 322
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) 680.0
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 23
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.00989
Epicentral distance of station farthest from the epicenter (degree) 0.33904
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:1.1

Field Value
Value 1.1
Uncertainty
Num. used stations
Type of magnitude ML
Reference to an origin 83659811
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2020-10-10 00:01:58

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 83822561
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-12-28 15:25:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GALF.HHZ. 2020-10-09T23:51:40.05 0.3 undecidable manual P 262 37.629 93 0.67 62
IV.AIO.HHE. 2020-10-09T23:51:38.07 0.3 undecidable manual P 42 31.5462 93 -0.09 73
IV.ECTS.HHZ. 2020-10-09T23:51:38.50 0.6 undecidable manual S 40 17.6712 95 0.52 45
IV.MUCR.HHE. 2020-10-09T23:51:38.48 0.3 undecidable manual P 342 33.0447 93 0.03 73
IV.ENIC.HHZ. 2020-10-09T23:51:36.90 0.6 undecidable manual S 169 14.4744 97 0 51
IV.ENIC.HHZ. 2020-10-09T23:51:35.73 0.6 undecidable manual P 169 14.4744 97 0.98 37
IV.EPIT.HHN. 2020-10-09T23:51:35.50 0.6 undecidable manual S 45 8.0808 102 0.82 41
IV.ESML.HHE. 2020-10-09T23:51:35.96 0.3 undecidable manual P 212 18.5703 95 0.41 69
IV.ECTS.HHZ. 2020-10-09T23:51:35.09 0.1 undecidable manual P 40 17.6712 95 -0.28 95
IV.ECBD.HHN. 2020-10-09T23:51:35.10 0.3 undecidable manual S 75 8.6802 101 0.22 73
IV.EPZF.HHZ. 2020-10-09T23:51:34.57 0.3 undecidable manual P 301 13.7751 97 -0.02 76
IV.ESLN.HHE. 2020-10-09T23:51:34.30 0.6 undecidable manual S 191 7.5813 103 -0.21 49
IV.EMSG.HHZ. 2020-10-09T23:51:33.21 0.1 undecidable manual P 332 7.6812 102 -0.18 99
IV.ECBD.HHN. 2020-10-09T23:51:33.37 0.3 undecidable manual P 75 8.6802 101 -0.22 74
IV.EMCN.HNZ. 2020-10-09T23:51:33.60 0.3 undecidable manual S 47 5.0949 108 -0.07 76
IV.EPIT.HHN. 2020-10-09T23:51:33.34 0.1 undecidable manual P 45 8.0808 102 -0.13 100
IV.ECHR.HHE. 2020-10-09T23:51:33.95 0.3 undecidable manual P 220 10.6782 99 -0.04 76
IV.ESLN.HHE. 2020-10-09T23:51:32.76 0.3 undecidable manual P 191 7.5813 103 -0.61 66
IV.ECPN.HHZ. 2020-10-09T23:51:32.00 0.3 undecidable manual P 193 1.8981 132 -0.32 73
IV.ECNE.HHN. 2020-10-09T23:51:32.90 0.6 undecidable manual S 58 1.0989 147 0.38 48
IV.EMCN.HNZ. 2020-10-09T23:51:32.46 0.3 undecidable manual P 47 5.0949 108 -0.43 71
IV.ECPN.HHZ. 2020-10-09T23:51:32.90 0.6 undecidable manual S 193 1.8981 132 0.2 50
IV.ECNE.HHN. 2020-10-09T23:51:31.99 0.3 undecidable manual P 58 1.0989 147 -0.23 74
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ECTS.HHN. ML:0.8 0.00006247445 0.8704 AML other m 2020-10-09T23:51:36.74
IV.EPZF.HHE. ML:1.2 0.00018451064999999998 1.088 AML other m 2020-10-09T23:51:38.09
IV.EPZF.HHN. ML:1.3 0.0002780149 1.0112 AML other m 2020-10-09T23:51:42.18
IV.EVRN.HHN. ML:1.6 0.00046856560000000004 0.7168 AML other m 2020-10-09T23:51:42.16
IV.EVRN.HNN. ML:1.5 0.00038148835000000004 0.7424 AML other m 2020-10-09T23:51:46.71
IV.EVRN.HNE. ML:1.7 0.0006398045500000001 0.7808 AML other m 2020-10-09T23:51:46.65
IV.EVRN.HHE. ML:1.7 0.0006658163500000001 0.768 AML other m 2020-10-09T23:51:46.66
IV.ENIC.HNN. ML:1.9 0.0009123373500000001 4.7616 AML other m 2020-10-09T23:51:49.34
IV.ENIC.HNE. ML:1.8 0.00083723315 3.8912 AML other m 2020-10-09T23:51:47.93
IV.ENIC.HHE. ML:1.6 0.00047340565 0.9856 AML other m 2020-10-09T23:51:48.63
IV.ECTS.HHE. ML:0.9 0.00007839504999999999 1.408 AML other m 2020-10-09T23:51:48.95
IV.ENIC.HHN. ML:1.5 0.00040823249999999997 0.64 AML other m 2020-10-09T23:51:49.96
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