Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 27-03-2024 and time 02:57:05 (Italy) in region Costa Siracusana (Siracusa)

A magnitude ML 1.9 earthquake occured in region: Costa Siracusana (Siracusa), on

  • 27-03-2024 01:57:05 (UTC)
  • 27-03-2024 02:57:05 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 36.8770, 15.1610 at 25 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.

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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
Avola SR 4 31708 31708
Noto SR 9 23913 55621
Pachino SR 19 22205 77826
Rosolini SR 19 21427 99253
Canicattini Bagni SR 20 7109 106362

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km SW of Siracusa (122291 inhabitants)
36 Km E of Modica (54633 inhabitants)
39 Km E of Ragusa (73313 inhabitants)
56 Km E of Vittoria (63339 inhabitants)
70 Km S of Catania (314555 inhabitants)
82 Km S of Acireale (52622 inhabitants)
84 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 1.9 2024-03-27
01:57:05		 36.8773 15.1613 25 2024-03-27
02:07:30		 Sala Sismica INGV-Roma 126184871
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-03-27 01:57:05 ± 0.11
Latitude 36.8773 ± 0.0036
Longitude 15.1613 ± 0.0056
Depth (km) 25 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 126184871

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 517
Semi-minor axis of confidence ellipse (meter) 272
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 292
Circular confidence region, given by single value of horizontal uncertainty (meter) 520.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 174
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) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.08813
Epicentral distance of station farthest from the epicenter (degree) 0.54769
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 16
Magnitude information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 29
Type of magnitude ML
Reference to an origin 126184871
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-03-27 02:07:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HCRL.HHE. 2024-03-27T01:57:21.49 0.3 undecidable manual S 346 46.4202 111 0.28 69
IV.SCIC.HHE. 2024-03-27T01:57:21.04 0.3 undecidable manual S 258 44.3223 112 0.34 67
IV.HMDC.HHZ. 2024-03-27T01:57:18.38 0.3 undecidable manual S 285 34.743 119 0 73
IV.SSY.HHZ. 2024-03-27T01:57:17.93 0.3 undecidable manual S 346 32.0457 121 0.17 72
IV.ACATE.EHZ. 2024-03-27T01:57:16.93 1.0 undecidable manual P 286 60.7947 106 0.19 22
IV.HVIT.HHZ. 2024-03-27T01:57:16.08 0.3 undecidable manual P 283 58.1973 107 -0.27 66
IV.HSRS.HHZ. 2024-03-27T01:57:16.14 0.1 undecidable manual S 13 24.4533 130 0.03 99
IV.ISPIC.HNZ. 2024-03-27T01:57:16.16 0.1 undecidable manual S 245 25.3524 129 -0.13 97
IV.HLNI.HHZ. 2024-03-27T01:57:16.09 0.1 undecidable manual P 334 58.1973 106 -0.26 88
IV.CROCE.HHZ. 2024-03-27T01:57:15.77 0.3 undecidable manual P 265 55.8996 107 -0.24 67
IV.HPAC.HHZ. 2024-03-27T01:57:15.18 0.3 undecidable manual S 211 21.7671 134 -0.39 70
IT.PPL1.HNZ. 2024-03-27T01:57:15.63 0.3 undecidable manual S 187 21.4674 134 0.12 72
IV.HVZN.HHZ. 2024-03-27T01:57:15.52 0.3 undecidable manual P 310 51.7038 109 0.12 70
IV.HAGA.HHE. 2024-03-27T01:57:14.29 0.1 undecidable manual P 359 45.2214 112 -0.17 92
IV.HCRL.HHE. 2024-03-27T01:57:14.72 0.3 undecidable manual P 346 46.4202 111 0.08 71
IV.SCIC.HHE. 2024-03-27T01:57:14.48 0.1 undecidable manual P 258 44.3223 112 0.14 93
IV.HAVL.HHZ. 2024-03-27T01:57:13.61 0.1 undecidable manual S 339 9.7791 156 -0.09 100
IV.AGST.EHZ. 2024-03-27T01:57:13.98 0.3 undecidable manual P 8 42.4242 113 -0.09 71
IV.SSY.HHZ. 2024-03-27T01:57:12.78 0.3 positive manual P 346 32.0457 121 0.13 72
IV.HMDC.HHZ. 2024-03-27T01:57:12.91 0.1 undecidable manual P 285 34.743 119 -0.1 96
IV.ISPIC.HNZ. 2024-03-27T01:57:11.80 0.1 undecidable manual P 245 25.3524 129 0 99
IV.HPAC.HHZ. 2024-03-27T01:57:11.60 0.1 undecidable manual P 211 21.7671 134 0.22 95
IT.PPL1.HNZ. 2024-03-27T01:57:11.49 0.6 undecidable manual P 187 21.4674 134 0.14 48
IV.HSRS.HHZ. 2024-03-27T01:57:11.72 0.1 undecidable manual P 13 24.4533 130 0.02 99
IV.HAVL.HHZ. 2024-03-27T01:57:10.41 0.1 undecidable manual P 339 9.7791 156 0.11 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.HAVL.HHE. ML:2.0 0.0006500943499999999 0.16 AML other m 2024-03-27T01:57:13.99
IV.HAVL.HHN. ML:2.2 0.0009541196000000001 0.18 AML other m 2024-03-27T01:57:14.00
IV.HSRS.HHN. ML:1.6 0.000157177125 0.08 AML other m 2024-03-27T01:57:16.38
IV.ISPIC.HNN. ML:2.4 0.00098141385 0.17 AML other m 2024-03-27T01:57:16.31
IV.ISPIC.HHN. ML:2.4 0.0010004999999999999 0.2 AML other m 2024-03-27T01:57:16.33
IV.ISPIC.HHE. ML:2.3 0.0009256885 0.08 AML other m 2024-03-27T01:57:16.27
IV.ISPIC.HNE. ML:2.4 0.0009525036 0.08 AML other m 2024-03-27T01:57:16.27
IV.HSRS.HHE. ML:1.6 0.0001568921 0.08 AML other m 2024-03-27T01:57:16.23
IV.SSY.HNN. ML:2.0 0.00034161525 0.26 AML other m 2024-03-27T01:57:22.19
IV.SSY.HNE. ML:1.9 0.00027159045 0.21 AML other m 2024-03-27T01:57:23.28
IV.SSY.HHN. ML:2.0 0.00036599800000000003 0.08 AML other m 2024-03-27T01:57:19.49
IV.SSY.HHE. ML:1.7 0.0001682163 0.1 AML other m 2024-03-27T01:57:18.72
IV.CROCE.HHN. ML:2.1 0.00028151765 0.1 AML other m 2024-03-27T01:57:23.58
IV.CROCE.HHE. ML:1.7 0.000110482135 0.12 AML other m 2024-03-27T01:57:23.86
IV.HPAC.HHE. ML:1.7 0.00024599340000000004 0.34 AML other m 2024-03-27T01:57:17.90
IV.HPAC.HHN. ML:1.9 0.000330815305 0.14 AML other m 2024-03-27T01:57:16.01
IV.HMDC.HHE. ML:1.7 0.00016278955000000001 0.08 AML other m 2024-03-27T01:57:18.53
IV.HMDC.HHN. ML:1.8 0.00019201275000000002 0.16 AML other m 2024-03-27T01:57:18.43
IV.HMDC.HNE. ML:1.8 0.00019446184999999999 2.31 AML other m 2024-03-27T01:57:18.92
IV.HMDC.HNN. ML:1.7 0.0001520018 0.16 AML other m 2024-03-27T01:57:18.44
IV.AGST.EHE. ML:2.0 0.00027014625000000006 0.06 AML other m 2024-03-27T01:57:20.82
IV.AGST.EHN. ML:1.9 0.0002408189 0.12 AML other m 2024-03-27T01:57:20.82
IV.CROCE.HNE. ML:1.8 0.00014501154999999998 0.12 AML other m 2024-03-27T01:57:23.86
IV.CROCE.HNN. ML:2.2 0.00034872734999999997 0.1 AML other m 2024-03-27T01:57:23.58
IV.HVIT.HHE. ML:1.6 0.00007459574 0.08 AML other m 2024-03-27T01:57:26.30
IV.HVIT.HHN. ML:1.5 0.000064710235 0.08 AML other m 2024-03-27T01:57:27.70
IV.HLNI.HNE. ML:1.7 0.00010117665000000001 0.19 AML other m 2024-03-27T01:57:24.17
IV.HLNI.HHE. ML:1.7 0.000095577265 0.12 AML other m 2024-03-27T01:57:24.47
IV.HLNI.HHN. ML:1.6 0.000074821905 0.06 AML other m 2024-03-27T01:57:24.74
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