Earthquake with magnitude of ML 2.0 on date 03-10-2023 and time 17:16:10 (UTC) in region Costa Siracusana (Siracusa)

A magnitude ML 2.0 earthquake occured in region: Costa Siracusana (Siracusa), on

  • 03-10-2023 17:16:10 (UTC)
  • 03-10-2023 19:16:10 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.1140, 15.3190 at 26 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Siracusa SR 6 122291 122291
Priolo Gargallo SR 13 12091 134382
Floridia SR 15 22762 157144
Augusta SR 16 36305 193449
Solarino SR 18 8091 201540
Melilli SR 19 13621 215161

Municipalities with at least 50000 inhabitants

An earthquake occurred to
6 Km NE of Siracusa (122291 inhabitants)
48 Km SE of Catania (314555 inhabitants)
56 Km E of Ragusa (73313 inhabitants)
57 Km NE of Modica (54633 inhabitants)
57 Km S of Acireale (52622 inhabitants)
72 Km E of Vittoria (63339 inhabitants)
95 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
Reviewed
Rev100
ML 2.0 2023-10-03
17:16:10
37.1137 15.319 26 2023-10-03
17:25:40
Sala Sismica INGV-Roma 121720781
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-10-03 17:16:10 ± 0.12
Latitude 37.1137 ± 0.0027
Longitude 15.3190 ± 0.0068
Depth (km) 26 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 121720781

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 483
Semi-minor axis of confidence ellipse (meter) 329
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 75
Circular confidence region, given by single value of horizontal uncertainty (meter) 480.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 236
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.13
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.68618
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 10
Magnitude information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 121720781
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-10-03 17:25:40
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LPDG.HHZ. 2023-10-03T17:17:27.45 3.0 undecidable manual Sg 4.51 0
IV.SCIAC.HHZ. 2023-10-03T17:16:43.17 3.0 positive manual Pg 4.18 0
IV.RAFF.HHZ. 2023-10-03T17:16:35.66 3.0 undecidable manual S -0.31 0
IV.HPAC.HHZ. 2023-10-03T17:16:27.43 0.6 undecidable manual S 209 51.4152 110 0.34 44
IV.ISPIC.HHZ. 2023-10-03T17:16:27.09 0.3 undecidable manual S 225 52.2033 110 -0.19 68
IV.HLNI.HHZ. 2023-10-03T17:16:26.10 0.3 undecidable manual S 304 47.3193 112 0.04 71
IV.HMDC.HHZ. 2023-10-03T17:16:26.98 0.3 undecidable manual S 250 50.4162 110 0.13 69
IV.CROCE.HHZ. 2023-10-03T17:16:23.36 0.1 undecidable manual P 246 76.1682 103 -0.27 85
IV.HVIT.HHZ. 2023-10-03T17:16:23.12 0.3 positive manual P 0.14 1.07
IV.HAVL.HHZ. 2023-10-03T17:16:20.89 0.1 undecidable manual S 226 24.4533 131 0.1 97
IV.HPAC.HHZ. 2023-10-03T17:16:20.07 0.1 undecidable manual P 209 51.4152 110 0.11 92
IV.HAGA.HHE. 2023-10-03T17:16:20.87 0.3 undecidable manual S 323 23.9538 132 0.18 72
IV.HMDC.HHZ. 2023-10-03T17:16:19.80 0.1 undecidable manual P 250 50.4162 110 -0.02 94
IV.ISPIC.HHZ. 2023-10-03T17:16:19.96 0.1 undecidable manual P 225 52.2033 110 -0.11 92
IV.HLNI.HHZ. 2023-10-03T17:16:19.36 0.1 negative manual P 304 47.3193 112 0 95
IV.AGST.EHZ. 2023-10-03T17:16:19.51 0.3 undecidable manual S 333 17.7711 141 -0.05 74
IV.HSRS.HHZ. 2023-10-03T17:16:18.23 0.3 undecidable manual S 255 8.88 159 -0.13 74
IV.HAVL.HHZ. 2023-10-03T17:16:16.29 0.1 undecidable manual P 226 24.4533 131 -0.03 98
IV.HAGA.HHE. 2023-10-03T17:16:16.37 0.1 undecidable manual P 323 23.9538 132 0.11 97
IV.AGST.EHZ. 2023-10-03T17:16:15.57 0.1 undecidable manual P 333 17.7711 141 -0.04 99
IV.HSRS.HHZ. 2023-10-03T17:16:14.85 0.1 undecidable manual P 255 8.88 159 -0.06 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.HSRS.HHE. ML:1.9 0.0004765 0.34 AML other m 2023-10-03T17:16:18.32
IV.HSRS.HHN. ML:1.9 0.0004355 0.38 AML other m 2023-10-03T17:16:18.51
IV.HAVL.HHE. ML:2.4 0.000989 0.3 AML other m 2023-10-03T17:16:21.24
IV.HAVL.HHN. ML:2.5 0.00131 0.26 AML other m 2023-10-03T17:16:21.26
IV.HMDC.HHN. ML:2.2 0.00035950000000000006 0.32 AML other m 2023-10-03T17:16:27.08
IV.HMDC.HHE. ML:2.1 0.0002730016 0.1024 AML other m 2023-10-03T17:16:27.49
IV.AGST.EHE. ML:1.8 0.000318319645 0.1024 AML other m 2023-10-03T17:16:20.17
IV.AGST.EHN. ML:1.9 0.000372997 0.1792 AML other m 2023-10-03T17:16:19.87
IV.HLNI.HNE. ML:1.8 0.00017060629999999998 0.1152 AML other m 2023-10-03T17:16:27.72
IV.HLNI.HNN. ML:1.9 0.00020310125000000002 0.0896 AML other m 2023-10-03T17:16:26.80
IV.HLNI.HHE. ML:1.9 0.00018751614999999998 0.128 AML other m 2023-10-03T17:16:27.72
IV.HLNI.HHN. ML:2.0 0.00021576030000000003 0.0896 AML other m 2023-10-03T17:16:26.79
IV.HMDC.HNE. ML:1.9 0.00018553864 0.0896 AML other m 2023-10-03T17:16:27.49
IV.HMDC.HNN. ML:2.1 0.0002907352 0.1536 AML other m 2023-10-03T17:16:27.16
IV.ISPIC.HHE. ML:1.8 0.00014801686 0.192 AML other m 2023-10-03T17:16:27.64
IV.ISPIC.HHN. ML:1.8 0.00015043855 0.512 AML other m 2023-10-03T17:16:27.60
IV.ISPIC.HNE. ML:1.8 0.00014756183 0.2176 AML other m 2023-10-03T17:16:27.63
IV.ISPIC.HNN. ML:1.8 0.00014380709999999998 0.2688 AML other m 2023-10-03T17:16:27.60
IV.HPAC.HHE. ML:2.1 0.00030306100000000003 0.3328 AML other m 2023-10-03T17:16:27.82
IV.HPAC.HHN. ML:1.9 0.0001832514 0.1408 AML other m 2023-10-03T17:16:29.36
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