Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 28-01-2020 and time 05:58:31 (Italy) in region 9 km E Bronte (CT)

A magnitude ML 1.4 earthquake occured in region: 9 km E Bronte (CT), on

  • 28-01-2020 04:58:31 (UTC)
  • 28-01-2020 05:58:31 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.7510, 14.9300 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
Bronte CT 10 19172 19172
Maletto CT 10 3920 23092
Adrano CT 13 36122 59214
Biancavilla CT 13 24007 83221
Ragalna CT 13 3924 87145
Randazzo CT 14 10900 98045
Santa Maria di Licodia CT 15 7641 105686
Maniace CT 16 3765 109451
Zafferana Etnea CT 17 9517 118968
Milo CT 17 1087 120055
Nicolosi CT 17 7463 127518
Belpasso CT 18 28108 155626
Santa Domenica Vittoria ME 19 980 156606
Pedara CT 19 14102 170708
Sant'Alfio CT 19 1582 172290
Paternò CT 19 48228 220518
Moio Alcantara ME 20 717 221235
Santa Venerina CT 20 8592 229827
Trecastagni CT 20 10910 240737

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km NW of Acireale (52622 inhabitants)
31 Km NW of Catania (314555 inhabitants)
74 Km SW of Messina (238439 inhabitants)
74 Km SW of Reggio di Calabria (183035 inhabitants)
82 Km E of Caltanissetta (63360 inhabitants)
83 Km NW of Siracusa (122291 inhabitants)
93 Km N of Ragusa (73313 inhabitants)
96 Km NE of Vittoria (63339 inhabitants)
97 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 1.4 2020-01-28
04:58:31		 37.7513 14.9303 8 2020-07-18
21:08:20		 Bollettino Sismico Italiano INGV 76467141
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-01-28 04:58:31 ± 0.12
Latitude 37.7513 ± 0.0063
Longitude 14.9303 ± 0.0114
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 76467141

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1012
Semi-minor axis of confidence ellipse (meter) 220
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 275
Circular confidence region, given by single value of horizontal uncertainty (meter) 1010.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 85
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) 0.06655
Epicentral distance of station farthest from the epicenter (degree) 0.40559
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:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 76467141
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-02-12 18:08:26
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HLNI.HHE. 2020-01-28T04:58:46.87 0.3 undecidable manual S 187 45.0216 50 0.33 66
IV.AIO.HHZ. 2020-01-28T04:58:44.69 0.6 undecidable manual S 47 36.0417 50 0.54 42
IV.MUCR.HHZ. 2020-01-28T04:58:43.61 0.6 undecidable manual S 351 32.745 104 0.54 43
IV.MSFR.HHZ. 2020-01-28T04:58:40.60 0.3 undecidable manual P 317 43.1235 50 0.75 58
IV.HLNI.HHE. 2020-01-28T04:58:39.76 0.1 undecidable manual P 187 45.0216 50 -0.37 87
IV.AIO.HHZ. 2020-01-28T04:58:38.36 0.1 undecidable manual P 47 36.0417 50 -0.39 88
IV.ENIC.HHZ. 2020-01-28T04:58:38.28 0.6 undecidable manual S 149 15.5733 117 0.84 39
IV.MUCR.HHZ. 2020-01-28T04:58:37.61 0.3 undecidable manual P 351 32.745 104 -0.52 65
IV.ESML.HHZ. 2020-01-28T04:58:37.84 0.6 undecidable manual S 197 15.4734 117 0.43 45
IV.GALF.HHZ. 2020-01-28T04:58:37.91 0.1 undecidable manual P 262 32.2455 104 -0.12 94
IV.EPZF.HHZ. 2020-01-28T04:58:36.76 0.6 undecidable manual S 321 10.2786 128 0.86 39
IV.EMSG.HHZ. 2020-01-28T04:58:35.87 0.6 undecidable manual S 13 7.881 135 0.6 44
IV.ENIC.HHZ. 2020-01-28T04:58:35.52 0.6 undecidable manual P 149 15.5733 117 0.64 42
IV.EPIT.HHN. 2020-01-28T04:58:34.43 0.1 undecidable manual P 59 12.876 122 0.01 100
IV.ESML.HHZ. 2020-01-28T04:58:34.25 0.6 undecidable manual P 197 15.4734 117 -0.61 43
IV.ESLN.HHZ. 2020-01-28T04:58:33.53 0.1 undecidable manual P 149 7.4814 137 -0.04 100
IV.ECHR.HHE. 2020-01-28T04:58:33.31 0.1 undecidable manual P 192 7.3815 137 -0.24 96
IV.EMSG.HHZ. 2020-01-28T04:58:33.40 0.1 undecidable manual P 13 7.881 135 -0.22 96
IV.EPZF.HHZ. 2020-01-28T04:58:33.62 0.1 positive manual P 321 10.2786 128 -0.37 93
IV.EMCN.HNE. 2020-01-28T04:58:33.64 0.1 undecidable manual P 64 10.0788 128 -0.31 94
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EMSG.HHN. ML:1.7 0.00080792605 0.3392 AML other m 2020-01-28T04:58:38.65
IV.ESLN.HHE. ML:1.6 0.0007263549 0.3424 AML other m 2020-01-28T04:58:37.17
IV.EPZF.HHN. ML:1.5 0.00045527210000000004 0.2016 AML other m 2020-01-28T04:58:38.41
IV.EPZF.HHE. ML:1.3 0.00029115360000000004 0.2432 AML other m 2020-01-28T04:58:37.78
IV.ESML.HHN. ML:1.4 0.00026137085 0.3392 AML other m 2020-01-28T04:58:40.83
IV.ESML.HHE. ML:1.5 0.0003344453 0.2592 AML other m 2020-01-28T04:58:40.35
IV.ENIC.HHN. ML:1.6 0.00039702439999999997 0.1984 AML other m 2020-01-28T04:58:46.25
IV.ENIC.HHE. ML:1.6 0.00038799230000000003 0.1984 AML other m 2020-01-28T04:58:42.64
IV.MUCR.HHE. ML:1.1 0.00005423636 0.3808 AML other m 2020-01-28T04:58:43.89
IV.MUCR.HHN. ML:1.0 0.00004358056 0.3008 AML other m 2020-01-28T04:58:48.71
IV.AIO.HHN. ML:1.0 0.000043307054999999994 0.2016 AML other m 2020-01-28T04:58:48.59
IV.AIO.HHE. ML:1.0 0.000044760885 0.2208 AML other m 2020-01-28T04:58:45.97
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