Earthquake with magnitude of ML 1.3 on date 20-02-2021 and time 02:57:31 (Italy) in region 7 km W Milo (CT)

A magnitude ML 1.3 earthquake occured in region: 7 km W Milo (CT), on

  • 20-02-2021 01:57:31 (UTC)
  • 20-02-2021 02:57:31 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.7470, 15.0400 at 10 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 9 1582 12186
Santa Venerina CT 11 8592 20778
Giarre CT 13 27659 48437
Mascali CT 14 14282 62719
Linguaglossa CT 14 5403 68122
Piedimonte Etneo CT 14 3963 72085
Pedara CT 14 14102 86187
Riposto CT 15 14838 101025
Nicolosi CT 15 7463 108488
Trecastagni CT 15 10910 119398
Ragalna CT 16 3924 123322
Fiumefreddo di Sicilia CT 16 9623 132945
Viagrande CT 16 8563 141508
Randazzo CT 17 10900 152408
Castiglione di Sicilia CT 17 3215 155623
Moio Alcantara ME 17 717 156340
Aci Sant'Antonio CT 17 17984 174324
Aci Bonaccorsi CT 18 3524 177848
Maletto CT 18 3920 181768
Belpasso CT 18 28108 209876
Aci Catena CT 18 29851 239727
Acireale CT 19 52622 292349
Calatabiano CT 19 5308 297657
Bronte CT 19 19172 316829
Biancavilla CT 19 24007 340836
Tremestieri Etneo CT 19 20589 361425
Mascalucia CT 19 31958 393383
San Pietro Clarenza CT 19 7743 401126
Malvagna ME 19 733 401859
Francavilla di Sicilia ME 19 3945 405804
San Giovanni la Punta CT 19 23060 428864
Santa Maria di Licodia CT 20 7641 436505
Valverde CT 20 7840 444345
Camporotondo Etneo CT 20 5023 449368
Santa Domenica Vittoria ME 20 980 450348

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km NW of Acireale (52622 inhabitants)
27 Km N of Catania (314555 inhabitants)
67 Km SW of Reggio di Calabria (183035 inhabitants)
67 Km SW of Messina (238439 inhabitants)
80 Km N of Siracusa (122291 inhabitants)
91 Km E of Caltanissetta (63360 inhabitants)
95 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 1.3 2021-02-20
01:57:31
37.7468 15.0395 10 2021-07-12
16:55:15
Bollettino Sismico Italiano INGV 91394851
Reviewed
Rev200
ML 1.1 2021-02-20
01:57:31
37.743 15.035 5 2021-06-16
12:31:56
Sala Operativa INGV_OE (Catania) 87311141
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-02-20 01:57:31 ± 0.08
Latitude 37.7468 ± 0.0036
Longitude 15.0395 ± 0.0057
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 91394851

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 465
Semi-minor axis of confidence ellipse (meter) 126
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 114
Circular confidence region, given by single value of horizontal uncertainty (meter) 470.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 60
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 33
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.04137
Epicentral distance of station farthest from the epicenter (degree) 0.41998
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 21
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 91394851
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-06-16 12:31:26

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 87311141
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2021-02-20 02:10:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HLNI.HHZ. 2021-02-20T01:57:46.66 0.6 undecidable manual S 198 46.62 50 -0.13 46
IV.HLNI.HHZ. 2021-02-20T01:57:40.40 0.3 undecidable manual P 198 46.62 50 -0.01 70
IV.NOV.HHZ. 2021-02-20T01:57:38.07 0.3 undecidable manual P 15 32.3454 50 -0.14 70
IV.ECTS.HHZ. 2021-02-20T01:57:38.09 0.6 undecidable manual S 25 16.5723 121 -0.35 46
IV.EMSG.HHN. 2021-02-20T01:57:37.38 0.6 undecidable manual S 316 11.3775 132 0.41 46
IV.ENIC.HHZ. 2021-02-20T01:57:37.53 0.6 undecidable manual S 187 12.876 128 0.15 48
IV.EPOZ.HHZ. 2021-02-20T01:57:36.03 0.3 undecidable manual P 122 15.4734 123 0.63 64
IV.EMPL.HHZ. 2021-02-20T01:57:36.34 0.6 undecidable manual S 219 9.6792 136 -0.21 48
IV.ESAL.HHZ. 2021-02-20T01:57:36.73 0.6 undecidable manual S 84 8.3805 140 0.48 45
IV.ESCV.HHZ. 2021-02-20T01:57:36.57 0.3 undecidable manual P 270 19.6692 117 0.45 67
IV.ECTS.HHZ. 2021-02-20T01:57:35.19 0.3 undecidable manual P 25 16.5723 121 -0.4 68
IV.EPZF.HHZ. 2021-02-20T01:57:35.91 0.3 undecidable manual P 298 18.1707 119 0.06 73
IV.EMCN.HHN. 2021-02-20T01:57:35.79 0.6 undecidable manual S 354 4.995 154 0.19 49
IV.EFIU.HHZ. 2021-02-20T01:57:35.38 0.3 undecidable manual P 72 15.6732 123 -0.05 74
IV.ESPC.HHN. 2021-02-20T01:57:35.62 0.6 undecidable manual S 190 6.0939 149 -0.17 49
IV.ESLN.HHZ. 2021-02-20T01:57:35.90 0.6 undecidable manual S 224 8.1807 141 -0.32 47
IV.ENIC.HHZ. 2021-02-20T01:57:35.26 0.3 undecidable manual P 187 12.876 128 0.28 70
IV.ECBD.HHN. 2021-02-20T01:57:35.89 0.6 undecidable manual S 48 5.5944 151 0.19 48
IV.EMFS.HHE. 2021-02-20T01:57:35.49 0.6 undecidable manual S 230 4.6953 155 -0.08 50
IV.EMFO.HHE. 2021-02-20T01:57:35.29 0.6 undecidable manual S 105 4.5954 155 -0.26 48
IV.ESLN.HHZ. 2021-02-20T01:57:34.14 0.1 undecidable manual P 224 8.1807 141 -0.16 97
IV.ESAL.HHZ. 2021-02-20T01:57:34.60 0.3 undecidable manual P 84 8.3805 140 0.28 71
IV.EVRN.HHZ. 2021-02-20T01:57:34.81 0.3 undecidable manual P 127 10.5783 134 0.19 72
IV.EPIT.HHN. 2021-02-20T01:57:34.13 0.3 undecidable manual P 12 7.2927 144 -0.06 74
IV.EMSG.HHN. 2021-02-20T01:57:34.88 0.1 undecidable manual P 316 11.3775 132 0.14 97
IV.EMNR.HHZ. 2021-02-20T01:57:34.21 0.1 undecidable manual P 351 7.881 142 -0.05 100
IV.ESVO.HHE. 2021-02-20T01:57:34.65 0.3 undecidable manual P 290 8.5803 140 0.29 71
IV.EMPL.HHZ. 2021-02-20T01:57:34.41 0.3 undecidable manual P 219 9.6792 136 -0.08 74
IV.ECBD.HHN. 2021-02-20T01:57:33.96 0.1 undecidable manual P 48 5.5944 151 -0.04 100
IV.EMFS.HHE. 2021-02-20T01:57:33.87 0.1 undecidable manual P 230 4.6953 155 -0.06 100
IV.EMFO.HHE. 2021-02-20T01:57:33.61 0.1 undecidable manual P 105 4.5954 155 -0.31 95
IV.EMCN.HHN. 2021-02-20T01:57:33.74 0.1 undecidable manual P 354 4.995 154 -0.21 97
IV.ESPC.HHN. 2021-02-20T01:57:33.81 0.1 undecidable manual P 190 6.0939 149 -0.25 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ESAL.HHE. ML:1.6 0.0005351163 0.2208 AML other m 2021-02-20T01:57:38.96
IV.EVRN.HNN. ML:1.4 0.00033600375 0.1296 AML other m 2021-02-20T01:57:39.72
IV.EVRN.HHN. ML:1.4 0.00031176385 0.16 AML other m 2021-02-20T01:57:39.72
IV.EVRN.HHE. ML:1.4 0.00030044455000000005 0.2 AML other m 2021-02-20T01:57:38.43
IV.ESAL.HHN. ML:1.5 0.00043813654999999996 0.2208 AML other m 2021-02-20T01:57:38.38
IV.EVRN.HNE. ML:1.3 0.00026996065000000003 0.2096 AML other m 2021-02-20T01:57:38.54
IV.EMPL.HHE. ML:1.5 0.00039251681500000003 0.2608 AML other m 2021-02-20T01:57:40.14
IV.EMPL.HHN. ML:1.7 0.00071379475 0.32 AML other m 2021-02-20T01:57:36.58
IV.ECTS.HHE. ML:1.0 0.000078715325 0.1792 AML other m 2021-02-20T01:57:38.45
IV.ECTS.HHN. ML:0.9 0.00006724529 0.2016 AML other m 2021-02-20T01:57:38.80
IV.ENIC.HHN. ML:1.4 0.0002442508 0.4992 AML other m 2021-02-20T01:57:43.92
IV.ENIC.HHE. ML:1.3 0.00021181445 0.1792 AML other m 2021-02-20T01:57:41.41
IV.EPZF.HHE. ML:1.3 0.0001743433 0.3392 AML other m 2021-02-20T01:57:41.95
IV.EPZF.HHN. ML:1.2 0.00013850509999999998 0.5408 AML other m 2021-02-20T01:57:40.77
IV.ESCV.HHN. ML:1.2 0.00010425055499999999 0.5008 AML other m 2021-02-20T01:57:44.03
IV.ESCV.HHE. ML:1.0 0.00007687613 0.24 AML other m 2021-02-20T01:57:44.84
IV.NOV.HHE. ML:1.4 0.000115684725 0.4 AML other m 2021-02-20T01:57:48.70
IV.NOV.HHN. ML:1.4 0.00010293927999999999 0.48 AML other m 2021-02-20T01:57:49.10
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