Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 14-09-2019 and time 01:07:14 (UTC) in region Costa Siracusana (Siracusa)

A magnitude ML 2.3 earthquake occured in region: Costa Siracusana (Siracusa), on

  • 14-09-2019 01:07:14 (UTC)
  • 14-09-2019 03:07:14 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 36.6550, 15.2370 at 22 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
Portopalo di Capo Passero SR 10 3887 3887
Pachino SR 15 22205 26092

Municipalities with at least 50000 inhabitants

An earthquake occurred to
45 Km S of Siracusa (122291 inhabitants)
48 Km SE of Modica (54633 inhabitants)
54 Km SE of Ragusa (73313 inhabitants)
70 Km SE of Vittoria (63339 inhabitants)
95 Km S of Catania (314555 inhabitants)
99 Km SE 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 2.3 2019-09-14
01:07:14		 36.6553 15.2367 22 2020-02-28
16:42:00		 Bollettino Sismico Italiano INGV 73531451
Reviewed
Rev100 		ML 2.3 2019-09-14
01:07:14		 36.6183 15.3037 15 2019-09-14
01:22:24		 Sala Sismica INGV-Roma 72380091
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-09-14 01:07:14 ± 0.12
Latitude 36.6553 ± 0.0054
Longitude 15.2367 ± 0.0090
Depth (km) 22 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 73531451

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 742
Semi-minor axis of confidence ellipse (meter) 453
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 251
Circular confidence region, given by single value of horizontal uncertainty (meter) 740.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 187
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.16817
Epicentral distance of station farthest from the epicenter (degree) 2.02977
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 29
Type of magnitude ML
Reference to an origin 72380091
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-09-14 01:22:24

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 73531451
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-10-30 10:02:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GALF.HHZ. 2019-09-14T01:07:52.22 1.0 undecidable manual S 333 131.1687 95 -0.21 19
IV.CPTP.HHZ. 2019-09-14T01:07:51.44 0.6 undecidable manual S 312 126.4734 95 0.25 39
IV.PLAC.HHZ. 2019-09-14T01:07:48.62 0.6 undecidable manual P 28 225.3078 54 0.09 25
IV.RAFF.HHZ. 2019-09-14T01:07:44.14 0.6 undecidable manual S 309 99.8223 97 0.04 43
MN.CEL.HHZ. 2019-09-14T01:07:43.70 0.3 undecidable manual P 18 187.1682 54 -0.09 47
IV.HLNI.HHZ. 2019-09-14T01:07:39.64 0.3 undecidable manual S 337 83.3499 99 -0.12 65
IV.ACATE.HNE. 2019-09-14T01:07:37.61 0.6 undecidable manual S 302 77.0673 99 -0.48 41
IV.HVZN.HNZ. 2019-09-14T01:07:37.26 0.6 undecidable manual S 322 74.1702 100 -0.06 45
IV.CPTP.HHZ. 2019-09-14T01:07:36.28 0.6 undecidable manual P 312 126.4734 95 0.46 37
IV.HAGA.HHZ. 2019-09-14T01:07:36.42 0.6 undecidable manual S 354 70.1742 100 0.13 44
IV.GALF.HHZ. 2019-09-14T01:07:36.98 0.6 undecidable manual P 333 131.1687 95 0.44 37
IV.AGST.EHZ. 2019-09-14T01:07:35.57 0.6 undecidable manual S 359 66.6777 101 0.21 44
MN.WDD.HHE. 2019-09-14T01:07:34.32 1.0 undecidable manual P 215 110.9001 96 0.89 16
IV.SSY.HHZ. 2019-09-14T01:07:33.37 0.6 undecidable manual S 346 57.5979 103 0.39 43
IV.RAFF.HHZ. 2019-09-14T01:07:31.97 0.1 negative manual P 309 99.8223 97 0.24 82
IV.HLNI.HHZ. 2019-09-14T01:07:28.89 0.3 undecidable manual P 337 83.3499 99 -0.33 62
IV.ACATE.HNE. 2019-09-14T01:07:27.94 0.3 undecidable manual P 302 77.0673 99 -0.32 63
IV.HVZN.HNZ. 2019-09-14T01:07:27.59 0.3 undecidable manual P 322 74.1702 100 -0.23 65
IV.HAGA.HHZ. 2019-09-14T01:07:27.13 0.1 undecidable manual P 354 70.1742 100 -0.09 90
IV.AGST.EHZ. 2019-09-14T01:07:26.67 0.3 undecidable manual P 359 66.6777 101 -0.01 69
IV.ISPIC.HNZ. 2019-09-14T01:07:26.59 0.6 undecidable manual S 295 32.745 116 -0.1 48
IV.SSY.HHZ. 2019-09-14T01:07:25.49 0.1 negative manual P 346 57.5979 103 0.18 90
IV.HPAC.HHZ. 2019-09-14T01:07:23.76 0.6 undecidable manual S 288 18.6702 133 0.18 48
IV.ISPIC.HNZ. 2019-09-14T01:07:21.39 0.1 negative manual P 295 32.745 116 -0.29 92
IV.HPAC.HHZ. 2019-09-14T01:07:19.88 0.1 undecidable manual P 288 18.6702 133 0 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.HPAC.HHE. ML:2.1 0.0007301847 0.24 AML other m 2019-09-14T01:07:28.51
IV.HPAC.HHN. ML:2.2 0.0008947928000000001 0.24 AML other m 2019-09-14T01:07:29.40
IV.ISPIC.EHN. ML:1.7 0.00018860515 0.18 AML other m 2019-09-14T01:07:32.22
IV.ISPIC.EHE. ML:1.6 0.00013107042 0.16 AML other m 2019-09-14T01:07:30.42
IV.ISPIC.HNN. ML:1.8 0.00022884870000000002 1.04 AML other m 2019-09-14T01:07:33.98
IV.SSY.HHN. ML:3.1 0.002313092 0.24 AML other m 2019-09-14T01:07:34.25
IV.SSY.HHE. ML:2.7 0.00105134585 0.36 AML other m 2019-09-14T01:07:37.39
IV.HAGA.HHE. ML:2.2 0.00025292500000000004 0.3 AML other m 2019-09-14T01:07:37.47
IV.HAGA.HHN. ML:2.5 0.0004958930000000001 1.72 AML other m 2019-09-14T01:07:36.93
IV.HLNI.HHE. ML:2.2 0.00020338025 1.74 AML other m 2019-09-14T01:07:41.08
IV.HLNI.HHN. ML:2.6 0.00044599999999999994 1.74 AML other m 2019-09-14T01:07:39.87
IV.RAFF.HHE. ML:2.7 0.00043762635 0.62 AML other m 2019-09-14T01:07:46.43
IV.RAFF.HHN. ML:2.4 0.0002151228 0.3 AML other m 2019-09-14T01:07:47.63
IV.CPTP.HHE. ML:2.0 0.00006880827 0.48 AML other m 2019-09-14T01:08:03.05
IV.GALF.HHN. ML:2.3 0.00012697615000000002 1.48 AML other m 2019-09-14T01:08:05.26
IV.GALF.HNE. ML:2.3 0.00012272005 1.1 AML other m 2019-09-14T01:08:06.56
IV.GALF.HNN. ML:2.4 0.00016538215 1.0992 AML other m 2019-09-14T01:08:00.12
IV.GALF.HHE. ML:2.2 0.00010676768000000001 1.36 AML other m 2019-09-14T01:08:00.06
MN.CEL.HNN. ML:2.4 0.00008367063 1.02 AML other m 2019-09-14T01:08:15.28
MN.CEL.HHN. ML:2.0 0.00003034706 0.74 AML other m 2019-09-14T01:08:11.96
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