Earthquake with magnitude of ML 2.1 on date 16-01-2020 and time 23:49:26 (Italy) in region Costa Siracusana (Siracusa)

A magnitude ML 2.1 earthquake occured in region: Costa Siracusana (Siracusa), on

  • 16-01-2020 22:49:26 (UTC)
  • 16-01-2020 23:49:26 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 36.9990, 15.3090 at 24 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.

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 7 122291 122291
Floridia SR 17 22762 145053
Avola SR 18 31708 176761

Municipalities with at least 50000 inhabitants

An earthquake occurred to
7 Km S of Siracusa (122291 inhabitants)
51 Km E of Modica (54633 inhabitants)
52 Km E of Ragusa (73313 inhabitants)
59 Km SE of Catania (314555 inhabitants)
69 Km E of Vittoria (63339 inhabitants)
69 Km S of Acireale (52622 inhabitants)
94 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
Bulletin
Rev1000
ML 2.1 2020-01-16
22:49:26
36.9992 15.3087 24 2020-07-18
21:08:20
Bollettino Sismico Italiano INGV 76464671
Reviewed
Rev100
ML 2.1 2020-01-16
22:49:26
37.0032 15.3072 19 2020-01-16
22:59:12
Sala Sismica INGV-Roma 75594901
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-01-16 22:49:26 ± 0.17
Latitude 36.9992 ± 0.0036
Longitude 15.3087 ± 0.0090
Depth (km) 24 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 76464671

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 782
Semi-minor axis of confidence ellipse (meter) 242
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 97
Circular confidence region, given by single value of horizontal uncertainty (meter) 780.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 225
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.24551
Epicentral distance of station farthest from the epicenter (degree) 0.92360
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 76464671
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-03-05 15:00:48

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 75594901
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-01-16 22:59:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ACATE.HNE. 2020-01-16T22:49:49.23 0.6 undecidable manual S 272 71.6727 102 0.81 0
IV.HVZN.HNZ. 2020-01-16T22:49:44.85 0.6 undecidable manual S 291 56.0994 106 0.45 36
IV.GALF.HHZ. 2020-01-16T22:49:44.65 0.3 undecidable manual P 321 102.5196 98 0.81 0
IV.HLNI.HHZ. 2020-01-16T22:49:43.80 0.3 undecidable manual S 315 54.7008 107 -0.24 63
IT.GEA.HGE. 2020-01-16T22:49:42.27 0.6 undecidable manual P 274 88.245 100 0.61 0
IV.RAFF.HHZ. 2020-01-16T22:49:41.98 0.3 undecidable manual P 287 87.3459 100 0.46 0
IV.HPAC.HHZ. 2020-01-16T22:49:40.67 0.6 undecidable manual S 217 40.2264 113 0.27 48
IV.ISPIC.EHZ. 2020-01-16T22:49:40.89 0.3 undecidable manual S 236 43.4232 112 -0.29 71
IV.ENIC.HHZ. 2020-01-16T22:49:40.34 0.3 undecidable manual P 340 74.5698 102 0.75 0
IT.LNT.HGZ. 2020-01-16T22:49:40.94 0.3 undecidable manual S 320 42.0246 112 0.1 74
IV.ACATE.HNE. 2020-01-16T22:49:39.60 0.6 undecidable manual P 272 71.6727 102 0.46 0
IV.HAGA.HHZ. 2020-01-16T22:49:39.00 0.6 undecidable manual S 337 34.5432 118 -0.02 50
IV.EPOZ.HHZ. 2020-01-16T22:49:39.85 0.3 undecidable manual P 352 75.369 101 0.14 0
IV.SSY.HHZ. 2020-01-16T22:49:37.24 0.3 undecidable manual S 310 27.2505 125 -0.12 73
IV.HVZN.HNZ. 2020-01-16T22:49:37.45 0.6 undecidable manual P 291 56.0994 106 0.63 34
IV.HLNI.HHZ. 2020-01-16T22:49:36.43 0.1 negative manual P 315 54.7008 107 -0.19 85
IV.HPAC.HHZ. 2020-01-16T22:49:34.67 0.1 positive manual P 217 40.2264 113 0.15 97
IV.ISPIC.EHZ. 2020-01-16T22:49:34.74 0.1 undecidable manual P 236 43.4232 112 -0.22 96
IT.LNT.HGZ. 2020-01-16T22:49:34.80 0.3 undecidable manual P 320 42.0246 112 0.03 75
IV.HAGA.HHZ. 2020-01-16T22:49:33.70 0.1 undecidable manual P 337 34.5432 118 -0.02 100
IV.SSY.HHZ. 2020-01-16T22:49:32.78 0.1 negative manual P 310 27.2505 125 0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SSY.HHE. ML:2.2 0.0006151377499999999 0.1536 AML other m 2020-01-16T22:49:39.35
IV.HAGA.HHE. ML:1.6 0.00013784311300000002 0.0896 AML other m 2020-01-16T22:49:39.42
IV.HAGA.HHN. ML:1.6 0.000152356435 0.0768 AML other m 2020-01-16T22:49:39.78
IV.HPAC.HHE. ML:2.6 0.0011140170000000001 0.2432 AML other m 2020-01-16T22:49:40.76
IV.HPAC.HHN. ML:2.4 0.0007430623000000001 0.1152 AML other m 2020-01-16T22:49:40.93
IV.SSY.HHN. ML:2.7 0.0020288180000000004 1.7568 AML other m 2020-01-16T22:49:41.91
IV.HLNI.HHE. ML:1.9 0.00015724705 0.128 AML other m 2020-01-16T22:49:45.36
IV.HLNI.HHN. ML:1.9 0.00018533885 0.0768 AML other m 2020-01-16T22:49:45.50
IV.RAFF.HHN. ML:2.2 0.00017363699999999998 0.2944 AML other m 2020-01-16T22:49:54.75
IV.RAFF.HHE. ML:1.9 0.00009904362 0.256 AML other m 2020-01-16T22:49:54.78
IV.GALF.HHN. ML:2.1 0.00011194310499999998 0.5504 AML other m 2020-01-16T22:50:03.88
IV.GALF.HNN. ML:2.2 0.0001275121 0.8448 AML other m 2020-01-16T22:50:04.20
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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