Earthquake with magnitude of ML 1.4 on date 28-05-2020 and time 02:57:15 (Italy) in region Costa Siracusana (Siracusa)

A magnitude ML 1.4 earthquake occured in region: Costa Siracusana (Siracusa), on

  • 28-05-2020 00:57:15 (UTC)
  • 28-05-2020 02:57:15 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.118, 15.376 at 9 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 10 122291 122291
Priolo Gargallo SR 17 12091 134382
Augusta SR 19 36305 170687

Municipalities with at least 50000 inhabitants

An earthquake occurred to
10 Km NE of Siracusa (122291 inhabitants)
50 Km SE of Catania (314555 inhabitants)
58 Km SE of Acireale (52622 inhabitants)
61 Km E of Ragusa (73313 inhabitants)
62 Km NE of Modica (54633 inhabitants)
77 Km E 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
Bulletin
Rev1000
ML 1.4 2020-05-28
00:57:15
37.1177 15.3763 9 2020-11-19
12:36:49
Bollettino Sismico Italiano INGV 80264391
Reviewed
Rev100
ML 1.5 2020-05-28
00:57:15
37.1313 15.4105 10 2020-05-28
01:07:43
Sala Sismica INGV-Roma 79638111
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-28 00:57:15 ± 0.22
Latitude 37.1177 ± 0.0063
Longitude 15.3763 ± 0.0124
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 80264391

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1119
Semi-minor axis of confidence ellipse (meter) 676
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 275
Circular confidence region, given by single value of horizontal uncertainty (meter) 1120
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 222
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.86065
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 79638111
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-28 01:07:43

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 80264391
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-09-10 23:24:54
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.CRJA.HHZ. 2020-05-28T00:58:17.83 3.0 undecidable manual Sg 0.26 0
IV.EPOZ.HHZ. 2020-05-28T00:57:36.01 0.6 undecidable manual S 345 0.5738 50 0.46 43
IV.HVZN.HNZ. 2020-05-28T00:57:34.80 0.6 undecidable manual S 277 0.5297 50 0.55 42
IV.HPAC.HHZ. 2020-05-28T00:57:33.52 0.1 undecidable manual S 214 0.4901 50 0.43 88
IV.HLNI.HHZ. 2020-05-28T00:57:32.02 0.3 undecidable manual S 300 0.4632 50 -0.24 69
IV.AIO.HHE. 2020-05-28T00:57:31.84 1.0 undecidable manual P 352 0.8607 50 -0.22 21
IV.MEU.EHZ. 2020-05-28T00:57:31.22 0.1 undecidable manual S 269 0.4353 50 -0.23 93
IV.RAFF.HHZ. 2020-05-28T00:57:31.49 0.3 undecidable manual P 278 0.8139 50 0.22 65
IV.EPOZ.HHZ. 2020-05-28T00:57:27.47 0.3 undecidable manual P 345 0.5738 50 0.32 67
IV.HVZN.HNZ. 2020-05-28T00:57:26.36 0.1 undecidable manual P 277 0.5297 50 -0.04 95
IV.HAGA.HHZ. 2020-05-28T00:57:25.66 0.1 undecidable manual S 314 0.2428 109 0.09 100
IV.SSY.HHZ. 2020-05-28T00:57:25.65 0.6 undecidable manual S 280 0.2446 109 0.03 50
IV.HPAC.HHZ. 2020-05-28T00:57:25.71 0.1 undecidable manual P 214 0.4901 50 -0.02 96
IV.HLNI.HHZ. 2020-05-28T00:57:24.87 0.1 undecidable manual P 300 0.4632 50 -0.39 90
IV.MEU.EHZ. 2020-05-28T00:57:24.33 0.1 undecidable manual P 269 0.4353 50 -0.46 89
IV.AGST.EHZ. 2020-05-28T00:57:23.75 0.1 undecidable manual S 319 0.1826 114 0.34 96
IV.HAGA.HHZ. 2020-05-28T00:57:21.26 0.1 undecidable manual P 314 0.2428 109 -0.13 99
IV.SSY.HHZ. 2020-05-28T00:57:21.49 0.1 undecidable manual P 280 0.2446 109 0.07 100
IV.AGST.EHZ. 2020-05-28T00:57:19.85 0.1 undecidable manual P 319 0.1826 114 -0.29 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.AGST.EHN. ML:1.3 0.000138819395 0.24 AML other m 2020-05-28T00:57:23.00
IV.HAGA.HHE. ML:1.3 0.00010041681 0.3 AML other m 2020-05-28T00:57:25.76
IV.HAGA.HHN. ML:1.4 0.00014903232 0.16 AML other m 2020-05-28T00:57:25.80
IV.AGST.EHE. ML:1.1 9.8469805E-5 0.18 AML other m 2020-05-28T00:57:26.55
IV.SSY.HHE. ML:1.8 0.00037824795 0.08 AML other m 2020-05-28T00:57:26.87
IV.MEU.EHN. ML:1.6 0.00011066831 0.22 AML other m 2020-05-28T00:57:31.47
IV.HLNI.HHE. ML:1.6 8.880744E-5 0.2 AML other m 2020-05-28T00:57:32.18
IV.HLNI.HHN. ML:1.5 8.4054095E-5 0.14 AML other m 2020-05-28T00:57:34.00
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