Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.5 on date 07-02-2020 and time 02:25:16 (UTC) in region Costa Siracusana (Siracusa)

A magnitude ML 2.5 earthquake occured in region: Costa Siracusana (Siracusa), on

  • 07-02-2020 02:25:16 (UTC)
  • 07-02-2020 03:25:16 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.1120, 15.7320 at 30 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

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km E of Siracusa (122291 inhabitants)
72 Km SE of Catania (314555 inhabitants)
75 Km SE of Acireale (52622 inhabitants)
91 Km E of Modica (54633 inhabitants)
91 Km E of Ragusa (73313 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 2.5 2020-02-07
02:25:16		 37.1123 15.7322 30 2020-07-18
21:08:21		 Bollettino Sismico Italiano INGV 76770201
Reviewed
Rev100 		ML 2.6 2020-02-07
02:25:16		 37.0763 15.7138 28 2020-02-07
02:35:31		 Sala Sismica INGV-Roma 76303651
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-07 02:25:16 ± 0.22
Latitude 37.1123 ± 0.0090
Longitude 15.7322 ± 0.0124
Depth (km) 30 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 76770201

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1043
Semi-minor axis of confidence ellipse (meter) 709
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 307
Circular confidence region, given by single value of horizontal uncertainty (meter) 1040.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 228
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.49103
Epicentral distance of station farthest from the epicenter (degree) 1.15473
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:2.5

Field Value
Value 2.5
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 76770201
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-03-11 09:28:29

ML:2.6

Field Value
Value 2.6
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 76303651
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-07 02:35:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ACATE.HNE. 2020-02-07T02:25:48.74 0.6 undecidable manual S 265 109.4127 54 0.51 43
IV.CROCE.HHZ. 2020-02-07T02:25:48.11 0.6 undecidable manual S 254 110.6004 54 -0.37 43
IV.HVZN.HHE. 2020-02-07T02:25:43.64 0.6 undecidable manual S 275 90.243 104 0.28 46
IV.HLNI.HHZ. 2020-02-07T02:25:40.36 0.6 undecidable manual S 289 80.364 106 -0.46 45
IV.HPAC.HHZ. 2020-02-07T02:25:40.34 0.6 undecidable manual S 234 76.1682 107 0.58 44
IT.LNT.HGE. 2020-02-07T02:25:37.56 0.6 undecidable manual S 287 67.377 109 0.04 51
IV.MUCR.HHZ. 2020-02-07T02:25:37.15 0.3 undecidable manual P 324 127.872 54 0.17 66
MN.CEL.HHZ. 2020-02-07T02:25:36.65 0.3 undecidable manual P 6 128.1717 54 -0.37 62
IV.ACATE.HNE. 2020-02-07T02:25:35.19 0.3 undecidable manual P 265 109.4127 54 0.5 64
IV.CROCE.HHZ. 2020-02-07T02:25:34.30 0.3 undecidable manual P 254 110.6004 54 -0.53 62
IV.SSY.HHZ. 2020-02-07T02:25:34.72 0.6 undecidable manual S 275 58.497 112 -0.56 46
IV.HAGA.HHZ. 2020-02-07T02:25:33.87 0.6 undecidable manual S 291 54.501 114 -0.44 48
IV.ESLN.HHZ. 2020-02-07T02:25:32.68 0.6 undecidable manual P 314 92.8404 103 0.41 45
IV.HVZN.HHE. 2020-02-07T02:25:32.06 0.3 undecidable manual P 275 90.243 104 0.18 71
IV.ESML.HHZ. 2020-02-07T02:25:32.48 0.1 negative manual P 307 93.8394 103 0.06 96
IV.ENIC.HHZ. 2020-02-07T02:25:31.79 0.6 undecidable manual P 313 85.0482 105 0.67 42
IV.EVRN.HNN. 2020-02-07T02:25:31.09 0.6 undecidable manual P 321 82.8504 105 0.31 47
IV.EPOZ.HHZ. 2020-02-07T02:25:30.51 0.3 undecidable manual P 323 78.4659 106 0.38 69
IV.HPAC.HHZ. 2020-02-07T02:25:29.74 0.1 undecidable manual P 234 76.1682 107 -0.06 99
IV.HLNI.HHZ. 2020-02-07T02:25:29.97 0.1 undecidable manual P 289 80.364 106 -0.45 91
IT.LNT.HGE. 2020-02-07T02:25:28.49 0.3 undecidable manual P 287 67.377 109 -0.02 76
IV.SSY.HHZ. 2020-02-07T02:25:27.15 0.3 undecidable manual P 275 58.497 112 -0.07 77
IV.HAGA.HHZ. 2020-02-07T02:25:26.43 0.1 undecidable manual P 291 54.501 114 -0.22 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.HAGA.HHN. ML:2.3 0.0004030295 0.1408 AML other m 2020-02-07T02:25:34.11
IV.HAGA.HHE. ML:2.1 0.0002320102 0.1392 AML other m 2020-02-07T02:25:34.28
IV.SSY.HHN. ML:3.1 0.0025008584999999996 0.16 AML other m 2020-02-07T02:25:36.90
IV.SSY.HHE. ML:2.7 0.00094563445 0.2608 AML other m 2020-02-07T02:25:40.11
IV.HLNI.HHN. ML:2.5 0.0003796658 0.16 AML other m 2020-02-07T02:25:40.50
IV.HLNI.HHE. ML:2.6 0.00045108735 0.1008 AML other m 2020-02-07T02:25:40.73
IV.HPAC.HHE. ML:2.6 0.0005749746999999999 0.1408 AML other m 2020-02-07T02:25:40.75
IV.HPAC.HHN. ML:2.7 0.00068830115 0.2 AML other m 2020-02-07T02:25:41.04
IV.ENIC.HHN. ML:2.5 0.0003530889 1.04 AML other m 2020-02-07T02:25:45.31
IV.ENIC.HHE. ML:2.5 0.0003737908 0.28 AML other m 2020-02-07T02:25:45.51
IV.CROCE.HHN. ML:2.2 0.00014232404000000002 0.32 AML other m 2020-02-07T02:25:48.35
IV.CROCE.HHE. ML:2.1 0.00011094408999999999 0.2192 AML other m 2020-02-07T02:25:49.98
IV.ESLN.HHE. ML:2.9 0.0008850717 0.7408 AML other m 2020-02-07T02:25:51.17
MN.CEL.HNE. ML:2.2 0.00009832805 0.5216 AML other m 2020-02-07T02:25:52.74
MN.CEL.HHE. ML:2.1 0.000078031475 0.5216 AML other m 2020-02-07T02:25:52.74
IV.ESLN.HHN. ML:2.9 0.0009353956 0.9808 AML other m 2020-02-07T02:25:54.67
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