Earthquake with magnitude of ML 1.3 on date 06-09-2018 and time 23:41:11 (Italy) in region Costa Siracusana (Siracusa)

A magnitude ML 1.3 earthquake occured in region: Costa Siracusana (Siracusa), on

  • 06-09-2018 21:41:11 (UTC)
  • 06-09-2018 23:41:11 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.256, 15.342 at 27 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
Augusta SR 11 36305 36305
Priolo Gargallo SR 17 12091 48396

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km N of Siracusa (122291 inhabitants)
36 Km SE of Catania (314555 inhabitants)
43 Km SE of Acireale (52622 inhabitants)
66 Km NE of Ragusa (73313 inhabitants)
68 Km NE of Modica (54633 inhabitants)
79 Km E of Vittoria (63339 inhabitants)
99 Km S of Reggio di Calabria (183035 inhabitants)
99 Km E 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
ML 1.3 2018-09-06
21:41:11
37.2563 15.3425 27 2019-06-04
09:15:56
Bollettino Sismico Italiano INGV 61736391
Reviewed
Rev100
ML 1.3 2018-09-06
21:41:11
37.2648 15.3407 26 2018-09-06
21:47:32
Sala Sismica INGV-Roma 60641181
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-09-06 21:41:11 ± 0.16
Latitude 37.2563 ± 0.0081
Longitude 15.3425 ± 0.0124
Depth (km) 27 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 61736391

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1198
Semi-minor axis of confidence ellipse (meter) 134
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 237
Circular confidence region, given by single value of horizontal uncertainty (meter) 1200
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 280
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.59895
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 5
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 61736391
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-10-08 16:17:11

ML:1.3

Field Value
Value 1.3
Uncertainty 0
Num. used stations 4
Type of magnitude ML
Reference to an origin 60641181
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-09-06 21:47:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.HPAC.HHE. 2018-09-06T21:41:32.40 0.6 undecidable manual S 204 0.5989 106 0 45
IV.GALF.HHZ. 2018-09-06T21:41:28.69 3.0 undecidable manual Sn -0.75 0
IV.HLNI.HHZ. 2018-09-06T21:41:26.27 0.3 undecidable manual S 284 0.3849 116 -0.17 69
IV.HPAC.HHE. 2018-09-06T21:41:23.30 0.6 undecidable manual P 204 0.5989 106 -0.31 43
IV.SSY.HHZ. 2018-09-06T21:41:22.70 0.1 undecidable manual S 245 0.2356 130 -0.01 98
IV.HAGA.HHZ. 2018-09-06T21:41:21.10 0.1 undecidable manual S 281 0.152 144 0.09 99
IV.AGST.EHZ. 2018-09-06T21:41:20.10 0.1 undecidable manual S 270 0.0917 157 -0.03 100
IV.HLNI.HHZ. 2018-09-06T21:41:20.30 0.1 undecidable manual P 284 0.3849 116 0.12 93
IV.SSY.HHZ. 2018-09-06T21:41:18.20 0.1 negative manual P 245 0.2356 130 0.19 95
IV.HAGA.HHZ. 2018-09-06T21:41:17.01 0.1 undecidable manual P 281 0.152 144 -0.03 99
IV.AGST.EHZ. 2018-09-06T21:41:16.44 0.1 undecidable manual P 270 0.0917 157 -0.09 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.AGST.EHN. ML:1.3 0.0001107104 0.1792 AML other m 2018-09-06T21:41:20.41
IV.AGST.EHE. ML:1.2 9.012141E-5 0.1408 AML other m 2018-09-06T21:41:20.34
IV.HAGA.HHN. ML:1.2 8.4036925E-5 0.1408 AML other m 2018-09-06T21:41:21.42
IV.HAGA.HHE. ML:1.2 6.9220095E-5 0.0768 AML other m 2018-09-06T21:41:21.42
IV.SSY.HHN. ML:2.2 0.0007203891 0.1152 AML other m 2018-09-06T21:41:24.92
IV.SSY.HHE. ML:1.9 0.0003121018 0.1408 AML other m 2018-09-06T21:41:24.76
IV.HLNI.HHE. ML:1.2 4.2303385E-5 0.2176 AML other m 2018-09-06T21:41:27.08
IV.HLNI.HHN. ML:1.3 4.885493E-5 0.1792 AML other m 2018-09-06T21:41:27.03
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download