Earthquake with magnitude of ML 2.4 on date 14-08-2023 and time 08:03:03 (Italy) in region Costa Siracusana (Siracusa)

A magnitude ML 2.4 earthquake occured in region: Costa Siracusana (Siracusa), on

  • 14-08-2023 06:03:03 (UTC)
  • 14-08-2023 08:03:03 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 36.5230, 15.2220 at 3 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
Portopalo di Capo Passero SR 20 3887 3887

Municipalities with at least 50000 inhabitants

An earthquake occurred to
56 Km SE of Modica (54633 inhabitants)
60 Km S of Siracusa (122291 inhabitants)
63 Km SE of Ragusa (73313 inhabitants)
77 Km SE 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
Reviewed
Rev100
ML 2.4 2023-08-14
06:03:03
36.523 15.2223 3 2023-08-14
06:14:10
Sala Sismica INGV-Roma 120107961
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-08-14 06:03:03 ± 0.29
Latitude 36.5230 ± 0.0117
Longitude 15.2223 ± 0.0168
Depth (km) 3 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 120107961

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1626
Semi-minor axis of confidence ellipse (meter) 752
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 129
Circular confidence region, given by single value of horizontal uncertainty (meter) 1630.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 239
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.98026
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 16
Magnitude information

ML:2.4

Field Value
Value 2.4
Uncertainty 0.2
Num. used stations 28
Type of magnitude ML
Reference to an origin 120107961
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-08-14 06:14:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PZUN.HHZ. 2023-08-14T06:04:57.60 3.0 undecidable manual Sn 0.62 0
IV.MCRV.HHZ. 2023-08-14T06:04:55.03 3.0 undecidable manual Sn -4.48 0
IV.RCAV.EHZ. 2023-08-14T06:04:43.77 3.0 undecidable manual Pg 15.99 0
IV.PIPA.HHZ. 2023-08-14T06:03:59.26 3.0 positive manual Pn 3.58 0
IV.PLAC.HHZ. 2023-08-14T06:03:42.09 3.0 positive manual Pn 0.9 0
IV.GALF.HHZ. 2023-08-14T06:03:39.64 3.0 undecidable manual S 0
IV.MSRU.HHZ. 2023-08-14T06:03:36.70 3.0 negative manual P 1.36 0
IV.HLNI.HHZ. 2023-08-14T06:03:34.69 0.6 undecidable manual S 341 96.7254 50 0.8 38
IV.CMDO.HHZ. 2023-08-14T06:03:33.85 3.0 undecidable manual P 3.18 0
IV.HCRL.HHE. 2023-08-14T06:03:31.67 0.6 undecidable manual S 349 85.9473 50 0.63 42
IV.HVIT.HHE. 2023-08-14T06:03:30.12 0.6 undecidable manual S 310 81.1521 50 0.36 46
IV.HAGA.HHE. 2023-08-14T06:03:30.09 0.6 undecidable manual S 356 84.7485 50 -0.61 43
IV.GALF.HHZ. 2023-08-14T06:03:29.84 3.0 negative manual P 1.25 0
IV.SSY.HHZ. 2023-08-14T06:03:27.62 0.6 undecidable manual S 349 71.6727 50 0.41 46
IV.HSRS.HHE. 2023-08-14T06:03:25.28 0.6 undecidable manual S 360 63.1923 50 0.32 48
IV.HMDC.HHZ. 2023-08-14T06:03:24.12 0.6 undecidable manual S 321 62.1933 50 -0.56 45
IV.RAFF.HHZ. 2023-08-14T06:03:23.47 0.6 negative manual P 316 108.8133 50 0.41 43
ML.XLND.BHE. 2023-08-14T06:03:23.00 0.1 undecidable manual P 239 104.8173 50 0.55 84
IV.SCIC.HHE. 2023-08-14T06:03:23.14 0.6 undecidable manual S 302 57.5979 50 -0.31 49
IV.HLNI.HHZ. 2023-08-14T06:03:21.13 0.3 positive manual P 341 96.7254 50 -0.06 71
IV.HAGA.HHE. 2023-08-14T06:03:19.27 0.1 undecidable manual P 356 84.7485 50 -0.08 97
IV.HVZN.HHZ. 2023-08-14T06:03:19.55 0.6 negative manual P 328 85.4478 50 0.09 48
IV.HCRL.HHE. 2023-08-14T06:03:19.74 0.1 undecidable manual P 349 85.9473 50 0.2 94
IV.AGST.EHE. 2023-08-14T06:03:18.76 0.1 undecidable manual P 0 81.3519 50 -0.07 98
IV.HVIT.HHE. 2023-08-14T06:03:18.20 0.1 undecidable manual P 310 81.1521 50 -0.6 86
IV.SSY.HHZ. 2023-08-14T06:03:17.54 1.0 negative manual P 349 71.6727 50 0.21 24
IV.CROCE.HHZ. 2023-08-14T06:03:17.11 0.6 negative manual P 300 70.1742 50 0.01 51
IV.HMDC.HHZ. 2023-08-14T06:03:15.08 0.6 positive manual P 321 62.1933 50 -0.79 41
IV.HSRS.HHE. 2023-08-14T06:03:15.72 0.1 undecidable manual P 360 63.1923 50 -0.31 96
IV.SCIC.HHE. 2023-08-14T06:03:14.87 0.1 undecidable manual P 302 57.5979 50 -0.29 98
IV.HAVL.HHZ. 2023-08-14T06:03:13.54 0.6 positive manual P 350 49.2174 93 -0.18 51
IV.ISPIC.HHZ. 2023-08-14T06:03:11.80 0.3 undecidable manual P 315 40.2264 94 -0.13 78
IV.HPAC.HHZ. 2023-08-14T06:03:09.60 0.1 undecidable manual P 321 26.3514 97 0.45 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.HPAC.HHE. ML:2.7 0.0033099999999999996 0.82 AML other m 2023-08-14T06:03:14.25
IV.HPAC.HHN. ML:2.8 0.003885 0.28 AML other m 2023-08-14T06:03:15.22
IV.ISPIC.HHN. ML:2.4 0.0008385 1.78 AML other m 2023-08-14T06:03:21.03
IV.ISPIC.HNN. ML:2.4 0.000856 1.76 AML other m 2023-08-14T06:03:21.04
IV.ISPIC.HHE. ML:2.2 0.0005269999999999999 0.6 AML other m 2023-08-14T06:03:22.38
IV.ISPIC.HNE. ML:2.2 0.0005344999999999999 0.62 AML other m 2023-08-14T06:03:22.38
IV.HAVL.HHE. ML:2.4 0.0006485000000000001 0.26 AML other m 2023-08-14T06:03:23.43
IV.HAVL.HHN. ML:2.3 0.000593 0.52 AML other m 2023-08-14T06:03:27.45
IV.SSY.HHE. ML:2.3 0.00032499999999999993 0.34 AML other m 2023-08-14T06:03:29.53
IV.HMDC.HHN. ML:2.4 0.000489 1.38 AML other m 2023-08-14T06:03:30.16
IV.HMDC.HNN. ML:2.3 0.000407 0.28 AML other m 2023-08-14T06:03:31.17
IV.HVZN.HNN. ML:2.5 0.00039850000000000004 1.02 AML other m 2023-08-14T06:03:33.21
IV.SSY.HNN. ML:2.5 0.0005660000000000001 1.78 AML other m 2023-08-14T06:03:33.99
IV.SSY.HNE. ML:2.5 0.0005740000000000001 0.2 AML other m 2023-08-14T06:03:33.99
IV.SSY.HHN. ML:2.6 0.000726 1.8 AML other m 2023-08-14T06:03:34.98
IV.HMDC.HHE. ML:2.3 0.0004055 0.44 AML other m 2023-08-14T06:03:34.38
IV.HMDC.HNE. ML:2.3 0.00041500000000000006 0.42 AML other m 2023-08-14T06:03:34.38
IV.CROCE.HHN. ML:2.2 0.000279 1.44 AML other m 2023-08-14T06:03:35.14
IV.CROCE.HNN. ML:2.4 0.0003855 0.46 AML other m 2023-08-14T06:03:35.14
IV.HLNI.HNE. ML:2.4 0.0002385 1.08 AML other m 2023-08-14T06:03:35.75
IV.HLNI.HHE. ML:2.3 0.0002065 0.26 AML other m 2023-08-14T06:03:35.21
IV.HVZN.HHE. ML:2.7 0.000611 0.5 AML other m 2023-08-14T06:03:35.80
IV.HVZN.HNE. ML:2.7 0.0006305000000000001 0.48 AML other m 2023-08-14T06:03:35.82
IV.HVZN.HHN. ML:2.5 0.00036950000000000004 0.6 AML other m 2023-08-14T06:03:37.80
IV.HLNI.HHN. ML:2.2 0.0001805 0.2 AML other m 2023-08-14T06:03:37.59
IV.HLNI.HNN. ML:2.2 0.000185 0.2 AML other m 2023-08-14T06:03:37.59
IV.CROCE.HHE. ML:2.1 0.0002195 1.24 AML other m 2023-08-14T06:03:38.35
IV.CROCE.HNE. ML:2.3 0.000317 1.26 AML other m 2023-08-14T06:03:38.35
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
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