Earthquake with magnitude of ML 1.6 on date 10-07-2020 and time 02:45:15 (Italy) in region 6 km E Cassaro (SR)

A magnitude ML 1.6 earthquake occured in region: 6 km E Cassaro (SR), on

  • 10-07-2020 00:45:15 (UTC)
  • 10-07-2020 02:45:15 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.11, 15.02 at 6 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
Cassaro SR 6 821 821
Sortino SR 7 8690 9511
Ferla SR 7 2523 12034
Canicattini Bagni SR 9 7109 19143
Solarino SR 9 8091 27234
Palazzolo Acreide SR 11 8808 36042
Buscemi SR 12 1051 37093
Floridia SR 12 22762 59855
Melilli SR 13 13621 73476
Buccheri SR 15 1999 75475
Priolo Gargallo SR 16 12091 87566
Francofonte SR 19 12800 100366
Carlentini SR 19 17798 118164
Lentini SR 20 24085 142249

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km W of Siracusa (122291 inhabitants)
32 Km NE of Ragusa (73313 inhabitants)
36 Km NE of Modica (54633 inhabitants)
45 Km S of Catania (314555 inhabitants)
46 Km E of Vittoria (63339 inhabitants)
58 Km S of Acireale (52622 inhabitants)
68 Km E of Gela (75827 inhabitants)
95 Km E of Caltanissetta (63360 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 2020-07-10
00:45:15
37.11 15.02 6 2020-11-19
12:36:54
Bollettino Sismico Italiano INGV 81269451
Reviewed
Rev100
ML 1.8 2020-07-10
00:45:15
37.11 15.02 6 2020-07-10
00:50:30
Sala Sismica INGV-Roma 80915901
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-07-10 00:45:15 ± 0.12
Latitude 37.11 ± 0.01
Longitude 15.02 ± 0.01
Depth (km) 6 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 81269451

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 740
Semi-minor axis of confidence ellipse (meter) 490
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 305
Circular confidence region, given by single value of horizontal uncertainty (meter) 740
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 137
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.06835
Epicentral distance of station farthest from the epicenter (degree) 0.5342
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 81269451
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-09-21 08:58:20

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 80915901
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-07-10 00:50:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.CROCE.HHZ. 2020-07-10T00:45:32.74 0.6 undecidable manual S 235 0.473 50 -0.09 46
IV.HPAC.HHZ. 2020-07-10T00:45:31.06 0.6 undecidable manual S 178 0.3975 50 0.46 44
IV.ACATE.HNE. 2020-07-10T00:45:31.42 0.6 undecidable manual S 259 0.42 50 0.14 47
IV.ISPIC.EHZ. 2020-07-10T00:45:28.92 0.6 undecidable manual S 196 0.3381 99 0.56 42
IV.ESML.HHE. 2020-07-10T00:45:27.02 0.3 undecidable manual P 348 0.5234 50 0.78 57
IV.RAFF.HHZ. 2020-07-10T00:45:26.83 0.1 undecidable manual P 283 0.5342 50 0.4 86
IV.HLNI.HHZ. 2020-07-10T00:45:25.90 0.6 undecidable manual S 335 0.2689 101 0.17 48
IV.HVZN.HNZ. 2020-07-10T00:45:25.27 0.6 undecidable manual S 287 0.2509 102 0.2 47
IV.ACATE.HNE. 2020-07-10T00:45:24.39 0.3 undecidable manual P 259 0.42 50 -0.09 70
IV.CROCE.HHZ. 2020-07-10T00:45:24.59 0.3 undecidable manual P 235 0.473 50 -0.78 57
IV.HPAC.HHZ. 2020-07-10T00:45:24.43 0.3 undecidable manual P 178 0.3975 50 0.34 67
IV.HAGA.HHZ. 2020-07-10T00:45:23.19 0.3 undecidable manual S 31 0.2095 104 -0.32 70
IT.LNT.HGZ. 2020-07-10T00:45:22.98 0.6 undecidable manual S 356 0.1826 106 0.47 45
IV.ISPIC.EHZ. 2020-07-10T00:45:21.91 0.3 undecidable manual P 196 0.3381 99 -0.88 57
IV.MEU.EHZ. 2020-07-10T00:45:21.30 0.6 undecidable manual S 272 0.1493 109 0.01 50
IV.HVZN.HNZ. 2020-07-10T00:45:20.93 0.3 undecidable manual P 287 0.2509 102 0.04 74
IV.HLNI.HHZ. 2020-07-10T00:45:20.66 0.1 undecidable manual P 335 0.2689 101 -0.61 85
IT.LNT.HGZ. 2020-07-10T00:45:19.53 0.1 undecidable manual P 356 0.1826 106 0.12 98
IV.HAGA.HHZ. 2020-07-10T00:45:19.57 0.1 positive manual P 31 0.2095 104 -0.42 91
IV.MEU.EHZ. 2020-07-10T00:45:18.50 0.1 positive manual P 272 0.1493 109 -0.21 97
IV.SSY.HHZ. 2020-07-10T00:45:18.98 0.6 undecidable manual S 41 0.0683 127 0.48 46
IV.SSY.HHZ. 2020-07-10T00:45:17.21 0.1 positive manual P 41 0.0683 127 0.11 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SSY.HHE. ML:0 0.0106631625 0.1 AML other m 2020-07-10T00:45:19.10
IV.MEU.EHN. ML:2.2 0.00168843 0.26 AML other m 2020-07-10T00:45:21.51
IV.MEU.EHE. ML:1.9 0.00076453265 0.24 AML other m 2020-07-10T00:45:22.91
IV.HAGA.HHE. ML:1.6 0.0002603159 0.34 AML other m 2020-07-10T00:45:23.48
IV.HAGA.HHN. ML:1.5 0.0002100556 0.28 AML other m 2020-07-10T00:45:24.04
IV.HLNI.HHE. ML:1.4 0.000117418015 0.28 AML other m 2020-07-10T00:45:26.41
IV.HLNI.HHN. ML:1.4 0.00011820214 0.1 AML other m 2020-07-10T00:45:26.72
IV.HPAC.HHE. ML:2 0.0003065 0.12 AML other m 2020-07-10T00:45:31.81
IV.HPAC.HHN. ML:1.9 0.0002508302 0.88 AML other m 2020-07-10T00:45:32.45
IV.CROCE.HHE. ML:1.3 4.585E-5 0.48 AML other m 2020-07-10T00:45:33.33
IV.CROCE.HHN. ML:1.3 4.6774615E-5 0.14 AML other m 2020-07-10T00:45:33.44
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