Earthquake with magnitude of ML 1.6 on date 30-06-2020 and time 00:15:35 (Italy) in region Costa Siracusana (Siracusa)

A magnitude ML 1.6 earthquake occured in region: Costa Siracusana (Siracusa), on

  • 29-06-2020 22:15:35 (UTC)
  • 30-06-2020 00:15:35 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.13, 15.27 at 28 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
Priolo Gargallo SR 8 12091 12091
Siracusa SR 8 122291 134382
Floridia SR 11 22762 157144
Augusta SR 12 36305 193449
Solarino SR 13 8091 201540
Melilli SR 14 13621 215161

Municipalities with at least 50000 inhabitants

An earthquake occurred to
8 Km N of Siracusa (122291 inhabitants)
45 Km SE of Catania (314555 inhabitants)
53 Km E of Ragusa (73313 inhabitants)
54 Km NE of Modica (54633 inhabitants)
55 Km S of Acireale (52622 inhabitants)
68 Km E of Vittoria (63339 inhabitants)
90 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 1.6 2020-06-29
22:15:35
37.13 15.27 28 2020-11-19
12:36:53
Bollettino Sismico Italiano INGV 81186411
Reviewed
Rev100
ML 1.6 2020-06-29
22:15:35
37.11 15.27 26 2020-06-29
22:22:07
Sala Sismica INGV-Roma 80632201
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-06-29 22:15:35 ± 0.21
Latitude 37.13 ± 0.01
Longitude 15.27 ± 0.01
Depth (km) 28 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 81186411

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 758
Semi-minor axis of confidence ellipse (meter) 661
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 85
Circular confidence region, given by single value of horizontal uncertainty (meter) 760
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 234
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.15738
Epicentral distance of station farthest from the epicenter (degree) 0.65561
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.1
Num. used stations 9
Type of magnitude ML
Reference to an origin 81186411
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-09-16 17:21:23

ML:1.6

Field Value
Value 1.6
Uncertainty 0.1
Num. used stations 9
Type of magnitude ML
Reference to an origin 80632201
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-06-29 22:22:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.CROCE.HHE. 2020-06-29T22:15:58.20 0.3 undecidable manual S 243 0.6556 105 0.08 68
IV.HPAC.HHZ. 2020-06-29T22:15:52.58 0.3 undecidable manual S 204 0.4587 113 0 71
IV.HLNI.HHZ. 2020-06-29T22:15:50.66 0.3 undecidable manual S 305 0.384 117 0.09 71
IV.MEU.EHZ. 2020-06-29T22:15:49.27 0.6 undecidable manual S 267 0.3489 120 -0.39 45
IV.CROCE.HHE. 2020-06-29T22:15:48.59 0.1 undecidable manual P 243 0.6556 105 -0.03 91
IT.LNT.HGZ. 2020-06-29T22:15:47.99 0.3 undecidable manual S 307 0.2653 128 0.4 68
IV.HAGA.HHZ. 2020-06-29T22:15:45.49 0.3 undecidable manual S 330 0.1799 140 -0.29 71
IV.SSY.HHZ. 2020-06-29T22:15:45.46 0.6 undecidable manual S 281 0.1574 144 0.1 49
IV.HPAC.HHZ. 2020-06-29T22:15:45.71 0.3 undecidable manual P 204 0.4587 113 0.29 67
IV.HLNI.HHZ. 2020-06-29T22:15:44.26 0.1 undecidable manual P 305 0.384 117 0 96
IV.MEU.EHZ. 2020-06-29T22:15:43.57 0.1 undecidable manual P 267 0.3489 120 -0.17 94
IT.LNT.HGZ. 2020-06-29T22:15:42.71 0.3 undecidable manual P 307 0.2653 128 0.17 72
IV.HAGA.HHZ. 2020-06-29T22:15:41.45 0.1 undecidable manual P 330 0.1799 140 -0.04 100
IV.SSY.HHZ. 2020-06-29T22:15:41.08 0.1 negative manual P 281 0.1574 144 -0.18 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SSY.HHE. ML:1.4 0.00012663415 0.1024 AML other m 2020-06-29T22:15:45.52
IV.HAGA.HHE. ML:1.7 0.0002096336 0.192 AML other m 2020-06-29T22:15:45.75
IV.HAGA.HHN. ML:1.6 0.0001789338 0.2688 AML other m 2020-06-29T22:15:45.77
IV.MEU.EHE. ML:1.5 8.8118125E-5 0.0192 AML other m 2020-06-29T22:15:49.62
IV.MEU.EHN. ML:1.4 7.7785735E-5 0.192 AML other m 2020-06-29T22:15:50.16
IV.HLNI.HHE. ML:1.4 6.982858E-5 0.1024 AML other m 2020-06-29T22:15:51.12
IV.HLNI.HHN. ML:1.4 7.136033E-5 0.1024 AML other m 2020-06-29T22:15:51.17
IV.HPAC.HHN. ML:1.8 0.000124456025 0.1152 AML other m 2020-06-29T22:15:52.86
IV.HPAC.HHE. ML:1.7 9.7962765E-5 0.0896 AML other m 2020-06-29T22:15:52.79
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download