Earthquake with magnitude of ML 2.0 on date 31-01-2021 and time 03:16:11 (Italy) in region 11 km W Zafferana Etnea (CT)

A magnitude ML 2.0 earthquake occured in region: 11 km W Zafferana Etnea (CT), on

  • 31-01-2021 02:16:11 (UTC)
  • 31-01-2021 03:16:11 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.736, 14.991 at 8 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
Zafferana Etnea CT 11 9517 9517
Milo CT 11 1087 10604
Ragalna CT 13 3924 14528
Sant'Alfio CT 14 1582 16110
Nicolosi CT 14 7463 23573
Santa Venerina CT 14 8592 32165
Pedara CT 14 14102 46267
Biancavilla CT 15 24007 70274
Bronte CT 15 19172 89446
Maletto CT 15 3920 93366
Trecastagni CT 15 10910 104276
Belpasso CT 16 28108 132384
Santa Maria di Licodia CT 16 7641 140025
Adrano CT 16 36122 176147
Randazzo CT 16 10900 187047
Viagrande CT 17 8563 195610
Giarre CT 17 27659 223269
Linguaglossa CT 18 5403 228672
Mascali CT 18 14282 242954
San Pietro Clarenza CT 18 7743 250697
Piedimonte Etneo CT 18 3963 254660
Aci Bonaccorsi CT 18 3524 258184
Aci Sant'Antonio CT 19 17984 276168
Camporotondo Etneo CT 19 5023 281191
Riposto CT 19 14838 296029
Mascalucia CT 19 31958 327987
Moio Alcantara ME 19 717 328704
Tremestieri Etneo CT 19 20589 349293
PaternĂ² CT 19 48228 397521
San Giovanni la Punta CT 20 23060 420581
Aci Catena CT 20 29851 450432

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km NW of Acireale (52622 inhabitants)
27 Km NW of Catania (314555 inhabitants)
71 Km SW of Reggio di Calabria (183035 inhabitants)
71 Km SW of Messina (238439 inhabitants)
80 Km NW of Siracusa (122291 inhabitants)
86 Km E of Caltanissetta (63360 inhabitants)
93 Km N of Ragusa (73313 inhabitants)
96 Km NE of Vittoria (63339 inhabitants)
99 Km NE of Gela (75827 inhabitants)
100 Km N of Modica (54633 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 2.0 2021-01-31
02:16:11
37.7357 14.9913 8 2021-07-12
16:55:04
Bollettino Sismico Italiano INGV 88588091
Reviewed
Rev200
ML 1.8 2021-01-31
02:16:11
37.738 14.981 4 2021-03-29
11:31:05
Sala Operativa INGV_OE (Catania) 86729091
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-01-31 02:16:11 ± 0.07
Latitude 37.7357 ± 0.0036
Longitude 14.9913 ± 0.0045
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 88588091

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 385
Semi-minor axis of confidence ellipse (meter) 270
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 77
Circular confidence region, given by single value of horizontal uncertainty (meter) 390
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 36
Number of associated phases, regardless of their use for origin computation 46
Number of defining phases 46
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) 0.00899
Epicentral distance of station farthest from the epicenter (degree) 0.78241
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 28
Magnitudes information

ML:2

Field Value
Value 2
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 88588091
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-03-29 11:30:41

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 86729091
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2021-01-31 02:24:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.HAVL.HHZ. 2021-01-31T02:16:38.09 0.6 undecidable manual S 172 0.7824 50 0.25 42
IV.SSY.HHN. 2021-01-31T02:16:32.16 0.6 undecidable manual S 174 0.581 50 0.28 43
IV.HLNI.HHZ. 2021-01-31T02:16:26.77 0.6 undecidable manual S 194 0.3984 50 0.32 45
IV.HAVL.HHZ. 2021-01-31T02:16:26.32 0.3 undecidable manual P 172 0.7824 50 -0.39 60
IV.MUCR.HHZ. 2021-01-31T02:16:25.07 0.6 undecidable manual S 343 0.3211 50 0.91 37
IV.SSY.HHN. 2021-01-31T02:16:23.67 0.3 undecidable manual P 174 0.581 50 0.4 63
IV.HLNI.HHZ. 2021-01-31T02:16:19.71 0.3 undecidable manual P 194 0.3984 50 -0.43 64
IV.EPZF.HHN. 2021-01-31T02:16:18.04 0.6 undecidable manual S 310 0.1376 117 0.54 44
IV.MUCR.HHZ. 2021-01-31T02:16:18.71 0.1 positive manual P 343 0.3211 50 -0.1 94
IV.AIO.HHZ. 2021-01-31T02:16:18.60 0.3 undecidable manual P 39 0.3031 103 0.17 70
IV.ESCV.HHN. 2021-01-31T02:16:17.29 0.6 undecidable manual S 275 0.1394 117 -0.26 47
IV.ENIC.HHN. 2021-01-31T02:16:16.99 0.6 undecidable manual S 167 0.107 124 0.53 44
IV.EFIU.HHE. 2021-01-31T02:16:16.36 0.1 undecidable manual P 73 0.1817 112 0.52 88
IV.ECHR.HHE. 2021-01-31T02:16:16.43 0.6 undecidable manual S 232 0.0791 132 0.81 40
IV.EMSG.HHN. 2021-01-31T02:16:16.43 0.6 undecidable manual S 339 0.0908 128 0.45 45
IV.EMPL.HHZ. 2021-01-31T02:16:15.22 0.6 undecidable manual S 196 0.0594 141 0.14 49
IV.ECTS.HHN. 2021-01-31T02:16:15.68 0.1 undecidable manual P 35 0.179 112 -0.11 96
IV.EMCN.HHE. 2021-01-31T02:16:15.35 0.6 undecidable manual S 31 0.0648 138 0.12 49
IV.ECZM.HHN. 2021-01-31T02:16:15.45 0.6 undecidable manual S 266 0.0692 136 0.11 49
IV.ESVO.HHE. 2021-01-31T02:16:15.31 0.6 undecidable manual S 317 0.0513 144 0.41 46
IV.ESML.HHE. 2021-01-31T02:16:15.27 0.1 undecidable manual P 217 0.1466 116 0.12 97
IV.EPOZ.HHE. 2021-01-31T02:16:15.99 0.3 undecidable manual P 112 0.1682 113 0.41 68
IV.ESPC.HHN. 2021-01-31T02:16:14.86 0.6 undecidable manual S 146 0.0513 144 -0.05 50
IV.EMNR.HHZ. 2021-01-31T02:16:14.00 0.3 undecidable manual P 19 0.0854 130 0.01 75
IV.EMFS.HHE. 2021-01-31T02:16:14.57 0.6 undecidable manual S 162 0.0171 167 0.22 48
IV.ESAL.HHE. 2021-01-31T02:16:14.78 0.3 undecidable manual P 80 0.1151 122 0.26 71
IV.EMSG.HHN. 2021-01-31T02:16:14.09 0.1 undecidable manual P 339 0.0908 128 0 100
IV.EPIT.HHN. 2021-01-31T02:16:14.16 0.1 undecidable manual P 34 0.0917 128 0.07 99
IV.ECPN.HHZ. 2021-01-31T02:16:14.93 0.6 undecidable manual S 335 0.009 173 0.64 43
IV.ENIC.HHN. 2021-01-31T02:16:14.52 0.3 undecidable manual P 167 0.107 124 0.15 73
IV.EPZF.HHN. 2021-01-31T02:16:14.77 0.1 undecidable manual P 310 0.1376 117 -0.2 95
IV.ESLN.HHE. 2021-01-31T02:16:14.78 0.6 undecidable manual S 198 0.0441 148 0.03 50
IV.EVRN.HHE. 2021-01-31T02:16:14.49 0.1 undecidable manual P 112 0.1232 120 -0.19 96
IV.ECBD.HHN. 2021-01-31T02:16:14.98 0.6 undecidable manual S 59 0.0872 129 -0.88 39
IV.ESCV.HHN. 2021-01-31T02:16:14.62 0.1 undecidable manual P 275 0.1394 117 -0.38 92
IV.ECHR.HHE. 2021-01-31T02:16:13.78 0.3 undecidable manual P 232 0.0791 132 -0.1 74
IV.ESLN.HHE. 2021-01-31T02:16:13.18 0.1 undecidable manual P 198 0.0441 148 -0.2 97
IV.ESVO.HHE. 2021-01-31T02:16:13.26 0.1 undecidable manual P 317 0.0513 144 -0.21 97
IV.ECBD.HHN. 2021-01-31T02:16:13.93 0.1 undecidable manual P 59 0.0872 129 -0.09 98
IV.ESPC.HHN. 2021-01-31T02:16:13.18 0.1 undecidable manual P 146 0.0513 144 -0.29 95
IV.EMPL.HHZ. 2021-01-31T02:16:13.43 0.1 undecidable manual P 196 0.0594 141 -0.14 98
IV.EMCN.HHE. 2021-01-31T02:16:13.50 0.1 undecidable manual P 31 0.0648 138 -0.16 98
IV.ECZM.HHN. 2021-01-31T02:16:13.32 0.1 undecidable manual P 266 0.0692 136 -0.4 93
IV.EMFO.HHE. 2021-01-31T02:16:13.51 0.3 undecidable manual P 90 0.0782 133 -0.36 70
IV.EMFS.HHE. 2021-01-31T02:16:12.94 0.1 undecidable manual P 162 0.0171 167 -0.2 98
IV.ECPN.HHZ. 2021-01-31T02:16:12.86 0.3 undecidable manual P 335 0.009 173 -0.25 73
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ESLN.HHN. ML:0 0.00596 1.76 AML other m 2021-01-31T02:16:15.88
IV.ESLN.HHE. ML:0 0.00787 1.48 AML other m 2021-01-31T02:16:15.97
IV.EPZF.HHN. ML:2 0.001115 0.3 AML other m 2021-01-31T02:16:19.51
IV.ENIC.HHE. ML:2.3 0.00272 1.42 AML other m 2021-01-31T02:16:19.92
IV.ESML.HHE. ML:1.9 0.00082 0.6 AML other m 2021-01-31T02:16:20.34
IV.EMSG.HHN. ML:2.3 0.002935 0.34 AML other m 2021-01-31T02:16:20.18
IV.EPOZ.HHE. ML:2 0.000877 0.78 AML other m 2021-01-31T02:16:21.49
IV.EMSG.HHE. ML:2.3 0.00307 0.66 AML other m 2021-01-31T02:16:21.51
IV.EPZF.HHE. ML:2 0.0009645 0.34 AML other m 2021-01-31T02:16:22.37
IV.ENIC.HHN. ML:2.3 0.00258 1.84 AML other m 2021-01-31T02:16:23.94
IV.EPOZ.HHN. ML:1.9 0.000637 1.32 AML other m 2021-01-31T02:16:23.73
IV.ESML.HHN. ML:2.1 0.0011255 0.38 AML other m 2021-01-31T02:16:23.85
IV.AIO.HHE. ML:1.5 0.0001295 0.5 AML other m 2021-01-31T02:16:25.64
IV.MUCR.HHE. ML:2 0.0003525 0.38 AML other m 2021-01-31T02:16:25.51
IV.AIO.HHN. ML:1.5 0.000127 1.66 AML other m 2021-01-31T02:16:26.83
IV.MUCR.HHN. ML:1.9 0.0003415 0.54 AML other m 2021-01-31T02:16:27.47
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