Earthquake with magnitude of ML 2.1 on date 23-10-2020 and time 13:54:37 (UTC) in region 10 km W Milo (CT)

A magnitude ML 2.1 earthquake occured in region: 10 km W Milo (CT), on

  • 23-10-2020 13:54:37 (UTC)
  • 23-10-2020 15:54:37 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.7490, 15.0030 at 1 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 10 1087 1087
Zafferana Etnea CT 11 9517 10604
Sant'Alfio CT 13 1582 12186
Santa Venerina CT 14 8592 20778
Ragalna CT 14 3924 24702
Maletto CT 15 3920 28622
Nicolosi CT 15 7463 36085
Randazzo CT 15 10900 46985
Pedara CT 15 14102 61087
Bronte CT 16 19172 80259
Trecastagni CT 16 10910 91169
Linguaglossa CT 16 5403 96572
Giarre CT 16 27659 124231
Biancavilla CT 17 24007 148238
Piedimonte Etneo CT 17 3963 152201
Mascali CT 17 14282 166483
Moio Alcantara ME 17 717 167200
Viagrande CT 17 8563 175763
Belpasso CT 18 28108 203871
Adrano CT 18 36122 239993
Riposto CT 18 14838 254831
Santa Maria di Licodia CT 18 7641 262472
Castiglione di Sicilia CT 18 3215 265687
Fiumefreddo di Sicilia CT 19 9623 275310
Santa Domenica Vittoria ME 19 980 276290
Aci Bonaccorsi CT 19 3524 279814
Aci Sant'Antonio CT 19 17984 297798
Malvagna ME 20 733 298531
San Pietro Clarenza CT 20 7743 306274
Mascalucia CT 20 31958 338232

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km NW of Acireale (52622 inhabitants)
28 Km N of Catania (314555 inhabitants)
69 Km SW of Reggio di Calabria (183035 inhabitants)
69 Km SW of Messina (238439 inhabitants)
81 Km NW 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 2.1 2020-10-23
13:54:37
37.7493 15.0027 1 2021-02-26
14:56:01
Bollettino Sismico Italiano INGV 84153821
Reviewed
Rev200
ML 2.0 2020-10-23
13:54:36
37.751 15.002 1 2020-12-22
16:33:19
Sala Operativa INGV_OE (Catania) 84058341
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-10-23 13:54:37 ± 0.11
Latitude 37.7493 ± 0.0045
Longitude 15.0027 ± 0.0057
Depth (km) 1 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 84153821

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 604
Semi-minor axis of confidence ellipse (meter) 182
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 131
Circular confidence region, given by single value of horizontal uncertainty (meter) 600.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 84
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.01439
Epicentral distance of station farthest from the epicenter (degree) 0.34714
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 16
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 84153821
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-12-22 16:33:10

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 84058341
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2020-10-23 14:14:02
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GALF.HHZ. 2020-10-23T13:54:45.92 0.6 undecidable manual P 264 38.5281 92 0.36 45
IV.MUCR.HHZ. 2020-10-23T13:54:44.22 0.6 undecidable manual P 341 34.4433 92 -0.54 44
IV.EPZF.HHZ. 2020-10-23T13:54:43.31 0.6 undecidable manual S 303 15.1737 95 0.16 49
IV.AIO.HHZ. 2020-10-23T13:54:43.97 0.3 undecidable manual P 39 31.8459 93 -0.25 70
IV.EFIU.HHE. 2020-10-23T13:54:42.11 0.3 undecidable manual P 76 18.7701 94 0.5 68
IV.ECHR.HHE. 2020-10-23T13:54:42.29 0.3 undecidable manual S 228 10.5783 98 0.76 62
IV.ECTS.HHZ. 2020-10-23T13:54:41.34 0.3 undecidable manual P 35 17.9709 94 -0.12 74
IV.EMSG.HHZ. 2020-10-23T13:54:41.67 0.3 undecidable manual S 330 9.1797 99 0.61 66
IV.EPOZ.HHN. 2020-10-23T13:54:41.59 0.6 undecidable manual P 118 18.4704 94 0.04 50
IV.ECBD.HHN. 2020-10-23T13:54:41.17 0.3 undecidable manual S 65 8.0808 100 0.47 70
IV.ESML.HHE. 2020-10-23T13:54:41.70 0.3 undecidable manual P 217 18.1707 94 0.21 73
IV.EPIT.HHN. 2020-10-23T13:54:41.34 0.3 undecidable manual S 35 8.3805 99 0.56 68
IV.EPZF.HHZ. 2020-10-23T13:54:40.83 0.1 negative manual P 303 15.1737 95 -0.08 100
IV.ESLN.HHZ. 2020-10-23T13:54:40.32 0.3 undecidable manual S 202 6.6933 102 0.1 76
IV.EPIT.HHN. 2020-10-23T13:54:39.34 0.1 undecidable manual P 35 8.3805 99 -0.2 99
IV.ECHR.HHE. 2020-10-23T13:54:39.89 0.3 undecidable manual P 228 10.5783 98 -0.08 76
IV.EMSG.HHZ. 2020-10-23T13:54:39.26 0.3 undecidable manual P 330 9.1797 99 -0.44 70
IV.EMCN.HHE. 2020-10-23T13:54:39.78 0.3 undecidable manual S 30 5.3946 105 0.01 77
IV.ECBD.HHN. 2020-10-23T13:54:39.29 0.3 undecidable manual P 65 8.0808 100 -0.2 74
IV.EMCN.HHE. 2020-10-23T13:54:38.53 0.3 undecidable manual P 30 5.3946 105 -0.42 71
IV.ECNE.HHN. 2020-10-23T13:54:38.03 0.1 undecidable manual P 357 1.7982 128 -0.26 98
IV.ESLN.HHZ. 2020-10-23T13:54:38.79 0.1 positive manual P 202 6.6933 102 -0.42 94
IV.ECPN.HHZ. 2020-10-23T13:54:38.64 0.3 undecidable manual S 246 1.5984 132 0.07 77
IV.ECNE.HHN. 2020-10-23T13:54:38.80 0.3 undecidable manual S 357 1.7982 128 0.18 75
IV.ECPN.HHZ. 2020-10-23T13:54:37.85 0.1 undecidable manual P 246 1.5984 132 -0.41 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EPOZ.HHE. ML:1.9 0.000763 0.64 AML other m 2020-10-23T13:54:47.17
IV.ECTS.HHE. ML:1.8 0.000596 0.9 AML other m 2020-10-23T13:54:47.65
IV.EVRN.HNN. ML:2.2 0.002105 0.54 AML other m 2020-10-23T13:54:47.99
IV.EVRN.HHE. ML:2.2 0.0021349999999999997 1.42 AML other m 2020-10-23T13:54:48.73
IV.EVRN.HNE. ML:2.1 0.001635 1.28 AML other m 2020-10-23T13:54:48.08
IV.EVRN.HHN. ML:2.1 0.0018549999999999999 1.66 AML other m 2020-10-23T13:54:48.15
IV.EPZF.HHE. ML:2.4 0.002975 0.36 AML other m 2020-10-23T13:54:48.65
IV.EPZF.HHN. ML:2.4 0.00277 1.32 AML other m 2020-10-23T13:54:49.82
IV.ECTS.HHN. ML:2.0 0.0009044999999999999 0.8 AML other m 2020-10-23T13:54:49.27
IV.EPOZ.HHN. ML:2.0 0.0009279999999999999 0.56 AML other m 2020-10-23T13:54:49.49
IV.AIO.HHE. ML:1.5 0.000147 1.02 AML other m 2020-10-23T13:54:50.67
IV.ESML.HHN. ML:2.0 0.000937 1.66 AML other m 2020-10-23T13:54:50.89
IV.ESML.HHE. ML:2.1 0.00115 0.3 AML other m 2020-10-23T13:54:51.18
IV.AIO.HHN. ML:1.8 0.00027350000000000003 1.64 AML other m 2020-10-23T13:54:54.13
IV.MUCR.HHE. ML:1.9 0.0003715 0.52 AML other m 2020-10-23T13:54:55.00
IV.MUCR.HHN. ML:2.0 0.000406 0.8 AML other m 2020-10-23T13:54:55.78
IV.GALF.HHE. ML:2.4 0.00091 0.58 AML other m 2020-10-23T13:54:58.49
IV.GALF.HHN. ML:2.4 0.0009170000000000001 1.38 AML other m 2020-10-23T13:55:06.98
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
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