Earthquake with magnitude of ML 1.4 on date 29-08-2017 and time 04:53:20 (Italy) in region 3 km NE Catania (CT)

A magnitude ML 1.4 earthquake occured in region: 3 km NE Catania (CT), on

  • 29-08-2017 02:53:20 (UTC)
  • 29-08-2017 04:53:20 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.5270, 15.1020 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
Catania CT 3 314555 314555
Sant'Agata li Battiati CT 4 9479 324034
San Gregorio di Catania CT 4 11966 336000
Aci Castello CT 5 18723 354723
Gravina di Catania CT 5 25838 380561
San Giovanni la Punta CT 6 23060 403621
Tremestieri Etneo CT 6 20589 424210
Valverde CT 6 7840 432050
Mascalucia CT 7 31958 464008
Aci Bonaccorsi CT 8 3524 467532
Misterbianco CT 8 49410 516942
San Pietro Clarenza CT 9 7743 524685
Aci Sant'Antonio CT 9 17984 542669
Aci Catena CT 9 29851 572520
Viagrande CT 9 8563 581083
Camporotondo Etneo CT 10 5023 586106
Trecastagni CT 10 10910 597016
Pedara CT 11 14102 611118
Acireale CT 11 52622 663740
Motta Sant'Anastasia CT 12 12116 675856
Nicolosi CT 12 7463 683319
Belpasso CT 13 28108 711427
Santa Venerina CT 18 8592 720019
PaternĂ² CT 18 48228 768247
Ragalna CT 18 3924 772171
Zafferana Etnea CT 19 9517 781688

Municipalities with at least 50000 inhabitants

An earthquake occurred to
3 Km NE of Catania (314555 inhabitants)
11 Km SW of Acireale (52622 inhabitants)
55 Km N of Siracusa (122291 inhabitants)
74 Km NE of Ragusa (73313 inhabitants)
80 Km NE of Modica (54633 inhabitants)
81 Km SW of Reggio di Calabria (183035 inhabitants)
81 Km NE of Vittoria (63339 inhabitants)
84 Km SW of Messina (238439 inhabitants)
91 Km NE of Gela (75827 inhabitants)
92 Km E of Caltanissetta (63360 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 2017-08-29
02:53:20
37.527 15.1022 8 2018-07-06
15:40:35
Bollettino Sismico Italiano INGV 51684951
Reviewed
Rev100
ML 1.4 2017-08-29
02:53:20
37.5237 15.1082 11 2017-08-29
03:11:43
Sala Sismica INGV-Roma 49467471
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-08-29 02:53:20 ± 0.1
Latitude 37.5270 ± 0.0045
Longitude 15.1022 ± 0.0113
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 51684951

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 892
Semi-minor axis of confidence ellipse (meter) 413
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 86
Circular confidence region, given by single value of horizontal uncertainty (meter) 890.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 135
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.16008
Epicentral distance of station farthest from the epicenter (degree) 0.81928
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 51684951
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-11-07 10:18:08

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 49467471
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-08-29 03:11:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HPAC.HHZ. 2017-08-29T02:53:48.22 0.6 undecidable manual S 184 90.9423 50 0.67 37
IV.MEU.SHZ. 2017-08-29T02:53:37.33 0.6 undecidable manual S 208 52.0035 50 0.18 45
IV.HPAC.HHZ. 2017-08-29T02:53:35.67 0.3 undecidable manual P 184 90.9423 50 -0.32 61
IV.SSY.HHZ. 2017-08-29T02:53:34.70 0.6 undecidable manual S 184 41.0256 50 0.48 44
IV.RAFF.HHZ. 2017-08-29T02:53:33.21 0.3 undecidable manual P 243 73.4709 50 -0.08 67
IV.AGST.EHZ. 2017-08-29T02:53:31.69 0.6 undecidable manual S 160 31.9458 105 0.04 48
IV.HAGA.HHZ. 2017-08-29T02:53:30.43 0.6 undecidable manual S 170 27.2505 107 0.36 46
IV.HLNI.HHZ. 2017-08-29T02:53:30.85 0.6 undecidable manual S 226 28.3494 106 0.41 45
IV.MEU.SHZ. 2017-08-29T02:53:29.64 0.6 undecidable manual P 208 52.0035 50 -0.34 44
IV.EPZF.HHZ. 2017-08-29T02:53:28.08 0.3 undecidable manual P 327 39.3273 50 0.05 72
IV.SSY.HHZ. 2017-08-29T02:53:28.06 0.1 undecidable manual P 184 41.0256 50 -0.23 92
IV.EPOZ.HHZ. 2017-08-29T02:53:27.76 0.6 undecidable manual S 25 17.7711 115 0.76 41
IV.HLNI.HHZ. 2017-08-29T02:53:26.06 0.1 undecidable manual P 226 28.3494 106 -0.05 97
IV.AGST.EHZ. 2017-08-29T02:53:26.36 0.1 negative manual P 160 31.9458 105 -0.45 89
IV.HAGA.HHZ. 2017-08-29T02:53:25.84 0.1 negative manual P 170 27.2505 107 -0.06 97
IV.EPOZ.HHZ. 2017-08-29T02:53:24.11 0.1 undecidable manual P 25 17.7711 115 -0.01 100
IV.ESLN.HHZ. 2017-08-29T02:53:24.63 0.3 undecidable manual P 329 21.5673 111 -0.2 72
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.HAGA.HHN. ML:1.4 0.00013485 1.06 AML other m 2017-08-29T02:53:30.81
IV.HLNI.HHE. ML:1.4 0.0001235 1.16 AML other m 2017-08-29T02:53:30.37
IV.HAGA.HHE. ML:1.3 0.00011949999999999999 1.56 AML other m 2017-08-29T02:53:31.14
IV.HLNI.HHN. ML:1.2 0.00007515 0.26 AML other m 2017-08-29T02:53:32.85
IV.SSY.HHE. ML:1.5 0.00010485 0.14 AML other m 2017-08-29T02:53:36.85
IV.SSY.HHN. ML:2.0 0.0003395 0.16 AML other m 2017-08-29T02:53:37.97
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