Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 16-01-2020 and time 01:21:22 (UTC) in region 1 km E Bronte (CT)

A magnitude ML 2.3 earthquake occured in region: 1 km E Bronte (CT), on

  • 16-01-2020 01:21:22 (UTC)
  • 16-01-2020 02:21:22 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.7940, 14.8460 at 11 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 1 19172 19172
Maletto CT 5 3920 23092
Maniace CT 8 3765 26857
Randazzo CT 13 10900 37757
Cesarò ME 13 2439 40196
San Teodoro ME 14 1403 41599
Adrano CT 15 36122 77721
Biancavilla CT 17 24007 101728
Santa Domenica Vittoria ME 17 980 102708
Ragalna CT 20 3924 106632
Santa Maria di Licodia CT 20 7641 114273

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km NW of Acireale (52622 inhabitants)
39 Km NW of Catania (314555 inhabitants)
77 Km SW of Messina (238439 inhabitants)
77 Km E of Caltanissetta (63360 inhabitants)
78 Km W of Reggio di Calabria (183035 inhabitants)
91 Km NW of Siracusa (122291 inhabitants)
96 Km NE of Gela (75827 inhabitants)
97 Km N of Ragusa (73313 inhabitants)
98 Km N 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 2.3 2020-01-16
01:21:22		 37.7938 14.8462 11 2020-07-18
21:08:20		 Bollettino Sismico Italiano INGV 76460791
Reviewed
Rev200 		ML 2.5 2020-01-16
01:21:20		 37.767 14.806 11 2020-01-16
01:40:02		 Sala Operativa INGV-OE (Catania) 75573741
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-01-16 01:21:22 ± 0.09
Latitude 37.7938 ± 0.0054
Longitude 14.8462 ± 0.0080
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 76460791

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 671
Semi-minor axis of confidence ellipse (meter) 569
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 98
Circular confidence region, given by single value of horizontal uncertainty (meter) 670.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 55
Number of associated phases, regardless of their use for origin computation 40
Number of defining phases 40
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.37
Epicentral distance of station closest to the epicenter (degree) 0.03148
Epicentral distance of station farthest from the epicenter (degree) 1.80764
Number of stations at which the event was observed 30
Number of stations from which data was used for origin computation 30
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 37
Type of magnitude ML
Reference to an origin 76460791
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-03-05 14:12:02

ML:2.5

Field Value
Value 2.5
Uncertainty 0.1
Num. used stations
Type of magnitude ML
Reference to an origin 75573741
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2020-01-16 01:40:02
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CAR1.HHZ. 2020-01-16T01:21:52.91 0.3 undecidable manual P 36 200.6436 38 -1.11 33
IV.SSY.HHZ. 2020-01-16T01:21:45.06 0.3 undecidable manual S 164 73.371 50 0.57 62
IV.JOPP.HHZ. 2020-01-16T01:21:43.92 0.3 undecidable manual P 45 127.872 50 0.38 59
IV.HPAC.HHZ. 2020-01-16T01:21:42.05 0.3 undecidable manual P 172 121.5894 50 -0.52 58
IV.HLNI.HHZ. 2020-01-16T01:21:38.51 0.3 undecidable manual S 177 49.4172 50 0.4 68
IV.IFIL.HHZ. 2020-01-16T01:21:37.89 0.3 undecidable manual P 345 88.6446 50 0.39 64
IV.RAFF.HHZ. 2020-01-16T01:21:36.16 0.3 undecidable manual P 214 76.368 50 0.56 63
IV.MSRU.HHZ. 2020-01-16T01:21:35.73 0.3 undecidable manual P 48 77.8665 50 -0.11 70
IV.PLLN.EHZ. 2020-01-16T01:21:34.53 0.3 undecidable manual P 290 65.3901 50 0.62 62
IV.CSLB.HHZ. 2020-01-16T01:21:34.00 0.6 undecidable manual P 283 70.8735 50 -0.76 39
IV.IVPL.HHZ. 2020-01-16T01:21:34.39 0.3 negative manual P 10 65.6898 50 0.43 66
IV.HVZN.HNZ. 2020-01-16T01:21:34.14 0.6 undecidable manual P 190 69.2751 50 -0.37 45
IV.SSY.HHZ. 2020-01-16T01:21:34.88 0.6 undecidable manual P 164 73.371 50 -0.26 45
IV.PETRA.HHN. 2020-01-16T01:21:34.10 0.6 undecidable manual P 274 64.2912 50 0.36 45
IV.MUCR.HHZ. 2020-01-16T01:21:32.67 0.3 undecidable manual S 5 27.75 50 0.35 72
IT.LNT.HGZ. 2020-01-16T01:21:32.26 0.6 undecidable manual P 166 57.6978 50 -0.47 45
IV.GALF.HHZ. 2020-01-16T01:21:32.37 0.3 undecidable manual S 249 26.2515 50 0.46 71
IV.HAGA.HHZ. 2020-01-16T01:21:32.98 0.3 undecidable manual P 154 62.6928 50 -0.51 66
IV.MPNC.HHZ. 2020-01-16T01:21:32.95 0.1 positive manual P 48 59.0964 50 0 97
IV.HLNI.HHZ. 2020-01-16T01:21:31.07 0.3 negative manual P 177 49.4172 50 -0.39 69
IV.CAGR.HHE. 2020-01-16T01:21:30.18 0.6 undecidable manual P 238 35.8419 50 0.81 40
IV.EPIT.HHE. 2020-01-16T01:21:30.28 0.3 undecidable manual S 84 18.5703 120 0.48 72
IV.EMCN.HNE. 2020-01-16T01:21:29.69 0.3 undecidable manual S 91 16.4724 123 0.52 71
IV.AIO.HHZ. 2020-01-16T01:21:29.69 0.6 undecidable manual P 60 39.1275 50 -0.18 49
IV.ESLN.HHZ. 2020-01-16T01:21:29.73 0.3 undecidable manual S 135 15.873 124 0.73 66
IV.EVRN.HNN. 2020-01-16T01:21:28.19 0.6 undecidable manual P 114 27.9498 50 0.05 51
IV.ECHR.HHE. 2020-01-16T01:21:28.84 0.3 undecidable manual S 154 13.2756 129 0.55 71
IV.ENIC.HHZ. 2020-01-16T01:21:27.53 0.3 undecidable manual P 139 23.6541 50 0.04 77
IV.EMSG.HHZ. 2020-01-16T01:21:27.69 0.3 undecidable manual S 72 9.5793 138 0.34 75
IV.MUCR.HHZ. 2020-01-16T01:21:27.89 0.1 positive manual P 5 27.75 50 -0.22 99
IV.ECTS.EHZ. 2020-01-16T01:21:27.18 0.3 undecidable manual P 68 25.9518 50 -0.66 66
IV.GALF.HHZ. 2020-01-16T01:21:27.50 0.1 undecidable manual P 249 26.2515 50 -0.38 96
IV.EPZF.HHZ. 2020-01-16T01:21:26.56 0.3 undecidable manual S 16 3.4965 162 0.29 77
IV.EMCN.HNE. 2020-01-16T01:21:26.21 0.3 undecidable manual P 91 16.4724 123 -0.09 78
IV.ESML.HHZ. 2020-01-16T01:21:26.68 0.6 undecidable manual P 172 19.7691 118 -0.19 51
IV.EPIT.HHE. 2020-01-16T01:21:26.54 0.3 undecidable manual P 84 18.5703 120 -0.12 77
IV.ESLN.HHZ. 2020-01-16T01:21:25.78 0.1 positive manual P 135 15.873 124 -0.42 96
IV.ECHR.HHE. 2020-01-16T01:21:25.08 0.1 undecidable manual P 154 13.2756 129 -0.71 87
IV.EPZF.HHZ. 2020-01-16T01:21:24.21 0.1 positive manual P 16 3.4965 162 -0.41 98
IV.EMSG.HHZ. 2020-01-16T01:21:24.95 0.1 positive manual P 72 9.5793 138 -0.29 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EPZF.HHE. ML:2.5 0.0048499065 0.3 AML other m 2020-01-16T01:21:27.23
IV.EPZF.HHN. ML:2.6 0.007041781 0.36 AML other m 2020-01-16T01:21:27.34
IV.EMSG.HHN. ML:3.0 0.011576830000000001 0.18 AML other m 2020-01-16T01:21:27.77
IV.EMSG.HHE. ML:2.9 0.0098891865 0.26 AML other m 2020-01-16T01:21:28.09
IV.ESLN.HHN. ML:2.5 0.0029075685 0.28 AML other m 2020-01-16T01:21:30.25
IV.ESLN.HHE. ML:2.6 0.0032657594999999998 0.42 AML other m 2020-01-16T01:21:30.37
IV.GALF.HNE. ML:1.9 0.00047346085 1.2 AML other m 2020-01-16T01:21:32.69
IV.GALF.HHN. ML:2.9 0.004122779 0.64 AML other m 2020-01-16T01:21:33.43
IV.MUCR.HHE. ML:2.4 0.0014263599999999998 0.52 AML other m 2020-01-16T01:21:33.58
IV.GALF.HNN. ML:1.9 0.00048098205000000004 0.4008 AML other m 2020-01-16T01:21:33.43
IV.MUCR.HHN. ML:2.3 0.001084021 0.5 AML other m 2020-01-16T01:21:34.99
IV.GALF.HHE. ML:2.8 0.0031822 1.48 AML other m 2020-01-16T01:21:35.06
IV.ENIC.HHE. ML:2.3 0.0012799909999999999 0.28 AML other m 2020-01-16T01:21:36.54
IV.ENIC.HNE. ML:2.5 0.0019034559999999998 0.28 AML other m 2020-01-16T01:21:36.55
IV.ENIC.HNN. ML:2.5 0.001820595 0.2696 AML other m 2020-01-16T01:21:36.70
IV.ENIC.HHN. ML:2.3 0.0013933800999999999 0.4 AML other m 2020-01-16T01:21:38.29
IV.AIO.HHN. ML:2.1 0.00040206825000000003 0.24 AML other m 2020-01-16T01:21:39.51
IV.HLNI.HHE. ML:1.7 0.00011995469999999999 0.24 AML other m 2020-01-16T01:21:41.17
IV.HLNI.HHN. ML:1.6 0.00010623343500000001 0.36 AML other m 2020-01-16T01:21:43.47
IV.MPNC.HHE. ML:2.2 0.0003201723 0.44 AML other m 2020-01-16T01:21:44.42
IV.AIO.HHE. ML:1.9 0.000271567 0.38 AML other m 2020-01-16T01:21:45.71
IV.IVPL.HHE. ML:2.3 0.0003557364 1.54 AML other m 2020-01-16T01:21:46.98
IV.IVPL.HHN. ML:2.4 0.00042521615 0.4 AML other m 2020-01-16T01:21:48.54
IV.SSY.HHN. ML:2.9 0.00116399585 0.34 AML other m 2020-01-16T01:21:49.52
IV.SSY.HHE. ML:2.5 0.00047377365000000004 0.34 AML other m 2020-01-16T01:21:49.73
IV.MPNC.HHN. ML:2.1 0.0002669707 1.58 AML other m 2020-01-16T01:21:51.88
IV.MSRU.HHN. ML:1.9 0.00011596528 0.44 AML other m 2020-01-16T01:21:51.96
IV.MSRU.HHE. ML:2.1 0.0001865483 0.34 AML other m 2020-01-16T01:21:52.31
IV.IFIL.HHN. ML:2.5 0.0003590436 0.48 AML other m 2020-01-16T01:21:53.24
IV.PLLN.EHN. ML:2.1 0.0002199554 1.54 AML other m 2020-01-16T01:21:53.11
IV.PLLN.EHE. ML:2.0 0.00019303275 0.48 AML other m 2020-01-16T01:21:54.21
IV.RAFF.HHN. ML:1.6 0.00006711596 0.32 AML other m 2020-01-16T01:21:54.44
IV.RAFF.HHE. ML:1.7 0.000081797835 1.6 AML other m 2020-01-16T01:21:55.11
IV.IFIL.HHE. ML:2.8 0.0007088476500000001 0.28 AML other m 2020-01-16T01:21:56.06
IV.JOPP.HHN. ML:1.6 0.00003093941 0.5 AML other m 2020-01-16T01:22:07.74
IV.JOPP.HHE. ML:1.6 0.000026719745 0.4 AML other m 2020-01-16T01:22:08.42
IV.HPAC.HHE. ML:2.4 0.0001852811 0.86 AML other m 2020-01-16T01:22:10.99
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
Waveforms Seismic signals in miniseed + resp format Download