Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 04-02-2020 and time 09:27:36 (UTC) in region 11 km W Zafferana Etnea (CT)

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

  • 04-02-2020 09:27:36 (UTC)
  • 04-02-2020 10:27:36 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.7220, 14.9890 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.

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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
Zafferana Etnea CT 11 9517 9517
Ragalna CT 11 3924 13441
Milo CT 11 1087 14528
Nicolosi CT 12 7463 21991
Pedara CT 13 14102 36093
Biancavilla CT 14 24007 60100
Santa Venerina CT 14 8592 68692
Sant'Alfio CT 14 1582 70274
Trecastagni CT 14 10910 81184
Belpasso CT 15 28108 109292
Santa Maria di Licodia CT 15 7641 116933
Adrano CT 15 36122 153055
Viagrande CT 16 8563 161618
Bronte CT 16 19172 180790
Maletto CT 16 3920 184710
San Pietro Clarenza CT 17 7743 192453
Camporotondo Etneo CT 17 5023 197476
Aci Bonaccorsi CT 17 3524 201000
Giarre CT 17 27659 228659
Mascalucia CT 17 31958 260617
Aci Sant'Antonio CT 18 17984 278601
Paternò CT 18 48228 326829
Tremestieri Etneo CT 18 20589 347418
Randazzo CT 18 10900 358318
San Giovanni la Punta CT 19 23060 381378
Mascali CT 19 14282 395660
Aci Catena CT 19 29851 425511
Riposto CT 19 14838 440349
Gravina di Catania CT 19 25838 466187
Linguaglossa CT 19 5403 471590
Piedimonte Etneo CT 19 3963 475553
Acireale CT 20 52622 528175
Sant'Agata li Battiati CT 20 9479 537654
Valverde CT 20 7840 545494

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km NW of Acireale (52622 inhabitants)
26 Km NW of Catania (314555 inhabitants)
72 Km SW of Reggio di Calabria (183035 inhabitants)
72 Km SW of Messina (238439 inhabitants)
78 Km NW of Siracusa (122291 inhabitants)
86 Km E of Caltanissetta (63360 inhabitants)
91 Km N of Ragusa (73313 inhabitants)
95 Km NE of Vittoria (63339 inhabitants)
98 Km NE of Gela (75827 inhabitants)
98 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 2020-02-04
09:27:36		 37.7222 14.9892 8 2020-07-18
21:08:30		 Bollettino Sismico Italiano INGV 77849441
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-04 09:27:36 ± 0.13
Latitude 37.7222 ± 0.0063
Longitude 14.9892 ± 0.0091
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 77849441

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 807
Semi-minor axis of confidence ellipse (meter) 524
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 106
Circular confidence region, given by single value of horizontal uncertainty (meter) 810.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 70
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.03058
Epicentral distance of station farthest from the epicenter (degree) 0.56837
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitude information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 13
Type of magnitude ML
Reference to an origin 77849441
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-04-03 21:52:42
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MUCR.HHZ. 2020-02-04T09:27:50.25 0.3 undecidable manual S 344 37.0296 50 0.64 61
IV.SSY.HHZ. 2020-02-04T09:27:48.28 0.6 undecidable manual P 173 63.0924 50 0.18 44
IV.HLNI.HHZ. 2020-02-04T09:27:45.10 0.3 undecidable manual P 194 42.7239 50 0.14 69
IV.AIO.HHE. 2020-02-04T09:27:44.01 0.3 undecidable manual P 38 34.9428 102 0.31 68
IV.EPZF.HHZ. 2020-02-04T09:27:43.20 0.3 undecidable manual S 314 16.1727 116 0.44 68
IV.GALF.HHZ. 2020-02-04T09:27:43.99 0.3 undecidable manual P 268 37.1295 50 -0.12 70
IV.MUCR.HHZ. 2020-02-04T09:27:43.31 0.3 undecidable manual P 344 37.0296 50 -0.78 58
IV.EPOZ.HHZ. 2020-02-04T09:27:42.97 0.3 undecidable manual S 108 18.3705 113 -0.48 67
IV.ESML.HHZ. 2020-02-04T09:27:42.89 0.6 undecidable manual S 220 15.0738 117 0.49 45
IV.EPOZ.HHZ. 2020-02-04T09:27:41.28 0.3 undecidable manual P 108 18.3705 113 0.76 60
IV.EMSG.HHZ. 2020-02-04T09:27:41.73 0.6 undecidable manual S 342 11.4774 124 0.39 46
IV.ECHR.HHE. 2020-02-04T09:27:40.65 0.3 undecidable manual S 239 7.7811 135 0.31 71
IV.ESML.HHZ. 2020-02-04T09:27:39.89 0.3 undecidable manual P 220 15.0738 117 -0.03 74
IV.EPZF.HHZ. 2020-02-04T09:27:39.29 0.1 positive manual P 314 16.1727 116 -0.84 78
IV.ESLN.HHZ. 2020-02-04T09:27:39.67 0.3 undecidable manual S 202 3.3966 156 0.2 73
IV.EPIT.HHE. 2020-02-04T09:27:39.64 0.3 undecidable manual P 31 11.5773 124 0.32 70
IV.EMSG.HHZ. 2020-02-04T09:27:38.93 0.1 positive manual P 342 11.4774 124 -0.38 92
IV.ECHR.HHE. 2020-02-04T09:27:38.27 0.3 undecidable manual P 239 7.7811 135 -0.46 68
IV.EMCN.HNE. 2020-02-04T09:27:38.83 0.1 undecidable manual P 27 8.5803 132 -0.02 100
IV.ESLN.HHZ. 2020-02-04T09:27:37.93 0.1 positive manual P 202 3.3966 156 -0.3 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ESLN.HHN. ML:0.0 0.0027770855 0.2752 AML other m 2020-02-04T09:27:40.10
IV.ESLN.HHE. ML:0.0 0.0028257185 0.256 AML other m 2020-02-04T09:27:39.99
IV.EMSG.HHN. ML:2.3 0.0025085585 0.16 AML other m 2020-02-04T09:27:42.80
IV.EMSG.HHE. ML:2.2 0.002290662 0.4224 AML other m 2020-02-04T09:27:45.28
IV.EPZF.HHN. ML:2.1 0.0013092860000000002 0.2752 AML other m 2020-02-04T09:27:44.28
IV.EPZF.HHE. ML:2.1 0.0011224985000000002 0.3008 AML other m 2020-02-04T09:27:43.75
IV.ESML.HHN. ML:2.0 0.0009833474 0.7552 AML other m 2020-02-04T09:27:48.19
IV.ESML.HHE. ML:2.0 0.0009683579999999999 0.5376 AML other m 2020-02-04T09:27:44.39
IV.EPOZ.HHE. ML:1.8 0.00056731405 0.3584 AML other m 2020-02-04T09:27:46.75
IV.EPOZ.HHN. ML:1.7 0.0003853397 0.4608 AML other m 2020-02-04T09:27:46.01
IV.MUCR.HHN. ML:1.7 0.00017874545 0.32 AML other m 2020-02-04T09:27:53.27
IV.MUCR.HHE. ML:1.6 0.0001659567 0.4224 AML other m 2020-02-04T09:27:51.49
IV.GALF.HHN. ML:2.1 0.0005444849 0.5952 AML other m 2020-02-04T09:27:51.92
IV.SSY.HHN. ML:2.4 0.0004304713 0.2432 AML other m 2020-02-04T09:28:00.97
IV.SSY.HHE. ML:2.0 0.00017484925 0.3008 AML other m 2020-02-04T09:28:00.84
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