Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 03-01-2017 and time 02:05:05 (Italy) in region 1 km E Viagrande (CT)

A magnitude ML 1.5 earthquake occured in region: 1 km E Viagrande (CT), on

  • 03-01-2017 01:05:05 (UTC)
  • 03-01-2017 02:05:05 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.6110, 15.1120 at 17 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
Viagrande CT 1 8563 8563
Aci Bonaccorsi CT 1 3524 12087
Aci Sant'Antonio CT 1 17984 30071
Trecastagni CT 3 10910 40981
Aci Catena CT 3 29851 70832
Valverde CT 4 7840 78672
San Giovanni la Punta CT 4 23060 101732
Pedara CT 5 14102 115834
Acireale CT 5 52622 168456
San Gregorio di Catania CT 5 11966 180422
Tremestieri Etneo CT 5 20589 201011
Sant'Agata li Battiati CT 6 9479 210490
Mascalucia CT 7 31958 242448
Aci Castello CT 7 18723 261171
Gravina di Catania CT 7 25838 287009
Nicolosi CT 7 7463 294472
San Pietro Clarenza CT 9 7743 302215
Santa Venerina CT 9 8592 310807
Zafferana Etnea CT 10 9517 320324
Camporotondo Etneo CT 10 5023 325347
Belpasso CT 12 28108 353455
Catania CT 12 314555 668010
Milo CT 13 1087 669097
Misterbianco CT 14 49410 718507
Giarre CT 15 27659 746166
Sant'Alfio CT 15 1582 747748
Ragalna CT 15 3924 751672
Riposto CT 16 14838 766510
Motta Sant'Anastasia CT 17 12116 778626
Mascali CT 18 14282 792908
Paternò CT 19 48228 841136
Santa Maria di Licodia CT 20 7641 848777

Municipalities with at least 50000 inhabitants

An earthquake occurred to
5 Km W of Acireale (52622 inhabitants)
12 Km N of Catania (314555 inhabitants)
63 Km N of Siracusa (122291 inhabitants)
73 Km SW of Reggio di Calabria (183035 inhabitants)
76 Km SW of Messina (238439 inhabitants)
83 Km NE of Ragusa (73313 inhabitants)
89 Km NE of Modica (54633 inhabitants)
89 Km NE of Vittoria (63339 inhabitants)
93 Km E of Caltanissetta (63360 inhabitants)
97 Km NE of Gela (75827 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 		Md 1.5
ML 1.5 		2017-01-03
01:05:05		 37.6108 15.1117 17 2018-01-10
09:44:30		 Bollettino Sismico Italiano INGV 48863911
Reviewed
Rev100 		Md 1.5
ML 1.7 		2017-01-03
01:05:05		 37.6108 15.1117 17 2017-01-03
01:20:11		 Sala Sismica INGV-Roma 38363021
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-01-03 01:05:05 ± 0.15
Latitude 37.6108 ± 0.0063
Longitude 15.1117 ± 0.0125
Depth (km) 17 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 48863911

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1126
Semi-minor axis of confidence ellipse (meter) 372
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 266
Circular confidence region, given by single value of horizontal uncertainty (meter) 1130.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 120
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.08633
Epicentral distance of station farthest from the epicenter (degree) 0.90382
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.4
Num. used stations 7
Type of magnitude ML
Reference to an origin 48863911
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-08-09 21:19:46

ML:1.7

Field Value
Value 1.7
Uncertainty 0.4
Num. used stations 4
Type of magnitude ML
Reference to an origin 38363021
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-01-03 01:20:11

Md:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 2
Type of magnitude Md
Reference to an origin 38363021
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-01-03 01:20:11

Md:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 2
Type of magnitude Md
Reference to an origin 48863911
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-08-09 21:19:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HMDC.HHE. 2017-01-03T01:05:29.72 0.6 undecidable manual S 202 77.9664 95 0.52 43
IV.MEU.SHZ. 2017-01-03T01:05:25.07 0.6 undecidable manual S 204 60.7947 97 0.43 45
IV.SSY.HHZ. 2017-01-03T01:05:22.29 0.6 undecidable manual S 184 50.4162 99 0.39 46
IV.HPAC.HHZ. 2017-01-03T01:05:22.81 0.1 undecidable manual P 184 100.3218 94 0.02 89
IV.HMDC.HHE. 2017-01-03T01:05:19.89 0.3 undecidable manual P 202 77.9664 95 0.55 63
IV.AGST.EHZ. 2017-01-03T01:05:19.21 0.6 undecidable manual S 165 40.626 101 -0.12 48
IV.HAGA.HHZ. 2017-01-03T01:05:18.27 0.3 undecidable manual S 174 36.3414 103 0.05 76
IV.HLNI.HHZ. 2017-01-03T01:05:17.79 0.3 undecidable manual S 216 35.9418 103 -0.32 70
IV.MEU.SHZ. 2017-01-03T01:05:16.75 0.1 undecidable manual P 204 60.7947 97 0.04 96
IV.SSY.HHZ. 2017-01-03T01:05:15.26 0.1 undecidable manual P 184 50.4162 99 0.13 97
IV.AIO.HHZ. 2017-01-03T01:05:14.24 0.3 undecidable manual P 15 41.3253 101 0.48 69
IV.MNO.SHZ. 2017-01-03T01:05:14.80 0.3 undecidable manual P 314 50.9157 98 -0.41 67
IV.AGST.EHZ. 2017-01-03T01:05:13.18 0.1 undecidable manual P 165 40.626 101 -0.47 90
IV.ESLN.HHZ. 2017-01-03T01:05:13.01 0.3 undecidable manual S 307 15.1737 129 -0.04 77
IV.HAGA.HHZ. 2017-01-03T01:05:12.74 0.1 undecidable manual P 174 36.3414 103 -0.26 95
IV.EPOZ.HHZ. 2017-01-03T01:05:12.62 0.6 undecidable manual S 45 9.5793 144 0.6 47
IV.EPZF.HHE. 2017-01-03T01:05:12.92 0.3 undecidable manual P 317 32.5452 105 0.49 70
IV.HLNI.HHZ. 2017-01-03T01:05:12.61 0.1 undecidable manual P 216 35.9418 103 -0.33 93
IV.ESML.HHE. 2017-01-03T01:05:10.59 0.6 undecidable manual P 272 20.4684 119 -0.11 50
IV.ESLN.HHZ. 2017-01-03T01:05:09.84 0.1 undecidable manual P 307 15.1737 129 -0.18 100
IV.EPOZ.HHZ. 2017-01-03T01:05:09.16 0.1 undecidable manual P 45 9.5793 144 -0.27 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.AGST.EHE. ML:1.5 0.00010169197499999999 0.94 AML other m 2017-01-03T01:05:19.64
IV.AGST.EHN. ML:1.3 0.0000651464 0.26 AML other m 2017-01-03T01:05:19.66
IV.EPOZ.HHE. ML:2.2 0.00134751675 0.24 AML other m 2017-01-03T01:05:13.76
IV.EPOZ.HHN. ML:2.3 0.0019943975 0.4 AML other m 2017-01-03T01:05:14.03
IV.ESLN.HHN. ML:1.9 0.00060451155 0.46 AML other m 2017-01-03T01:05:13.37
IV.ESLN.HHE. ML:1.8 0.00050635115 0.94 AML other m 2017-01-03T01:05:09.57
IV.HAGA.HHN. ML:0.8 0.0000258288035 0.16 AML other m 2017-01-03T01:05:24.15
IV.HAGA.HHE. ML:1.0 0.000032652155 0.38 AML other m 2017-01-03T01:05:25.80
IV.HLNI.HHN. ML:1.2 0.000060639805 0.12 AML other m 2017-01-03T01:05:20.20
IV.HLNI.HHE. ML:1.2 0.00006236223 0.14 AML other m 2017-01-03T01:05:20.71
IV.MEU.SHE. ML:0.0 0.00007136731999999999 0.28 AML other m 2017-01-03T01:05:27.36
IV.MEU.SHN. ML:0.0 0.00007564215500000001 0.4 AML other m 2017-01-03T01:05:28.68
IV.SSY.HHE. ML:1.4 0.00005916789 0.32 AML other m 2017-01-03T01:05:29.29
IV.SSY.HHN. ML:1.7 0.000128524875 0.2 AML other m 2017-01-03T01:05:26.67
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