Earthquake with magnitude of ML 1.3 on date 30-09-2020 and time 21:13:47 (Italy) in region 3 km NW Sortino (SR)

A magnitude ML 1.3 earthquake occured in region: 3 km NW Sortino (SR), on

  • 30-09-2020 19:13:47 (UTC)
  • 30-09-2020 21:13:47 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.18, 15.02 at 10 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
Sortino SR 3 8690 8690
Ferla SR 10 2523 11213
Melilli SR 10 13621 24834
Cassaro SR 10 821 25655
Carlentini SR 11 17798 43453
Lentini SR 12 24085 67538
Solarino SR 13 8091 75629
Francofonte SR 13 12800 88429
Priolo Gargallo SR 16 12091 100520
Buscemi SR 16 1051 101571
Buccheri SR 16 1999 103570
Floridia SR 16 22762 126332
Palazzolo Acreide SR 17 8808 135140
Canicattini Bagni SR 17 7109 142249
Augusta SR 19 36305 178554
Scordia CT 20 17095 195649

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km NW of Siracusa (122291 inhabitants)
36 Km S of Catania (314555 inhabitants)
38 Km NE of Ragusa (73313 inhabitants)
42 Km NE of Modica (54633 inhabitants)
50 Km NE of Vittoria (63339 inhabitants)
50 Km S of Acireale (52622 inhabitants)
69 Km E of Gela (75827 inhabitants)
91 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 1.3 2020-09-30
19:13:47
37.18 15.02 10 2021-02-26
14:56:12
Bollettino Sismico Italiano INGV 85791001
Reviewed
Rev100
ML 1.3 2020-09-30
19:13:47
37.18 15.02 11 2020-09-30
19:20:02
Sala Sismica INGV-Roma 83393911
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-09-30 19:13:47 ± 0.05
Latitude 37.18 ± 0.00
Longitude 15.02 ± 0.00
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 85791001

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 438
Semi-minor axis of confidence ellipse (meter) 330
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 38
Circular confidence region, given by single value of horizontal uncertainty (meter) 440
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 81
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.05216
Epicentral distance of station farthest from the epicenter (degree) 0.28958
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:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 85791001
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-12-28 12:10:14

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 83393911
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-09-30 19:20:02
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.HMDC.HHZ. 2020-09-30T19:13:58.24 0.3 undecidable manual S 220 0.2896 50 -0.06 73
IV.HAVL.HHZ. 2020-09-30T19:13:56.69 0.3 undecidable manual S 159 0.2374 50 -0.08 73
IV.HLNI.HHZ. 2020-09-30T19:13:55.52 0.6 undecidable manual S 326 0.2023 115 -0.15 48
IV.AGST.EHE. 2020-09-30T19:13:55.07 0.6 undecidable manual S 66 0.1844 117 0.02 50
IV.HVZN.HNZ. 2020-09-30T19:13:53.10 0.3 undecidable manual P 269 0.2392 50 0.4 68
IV.HAGA.HHZ. 2020-09-30T19:13:53.99 0.6 undecidable manual S 47 0.152 122 0.04 50
IV.HMDC.HHZ. 2020-09-30T19:13:53.50 0.3 undecidable manual P 220 0.2896 50 -0.07 73
IV.HAVL.HHZ. 2020-09-30T19:13:52.61 0.3 undecidable manual P 159 0.2374 50 -0.07 73
IV.HAGA.HHZ. 2020-09-30T19:13:51.09 0.1 negative manual P 47 0.152 122 0.04 100
IV.HLNI.HHZ. 2020-09-30T19:13:51.92 0.1 undecidable manual P 326 0.2023 115 -0.13 97
IV.SSY.HHZ. 2020-09-30T19:13:51.18 0.3 undecidable manual S 117 0.0522 151 -0.03 76
IV.AGST.EHE. 2020-09-30T19:13:51.64 0.3 undecidable manual P 66 0.1844 117 -0.05 74
IV.SSY.HHZ. 2020-09-30T19:13:49.61 0.1 negative manual P 117 0.0522 151 0.14 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SSY.HHE. ML:2.5 0.00512 0.24 AML other m 2020-09-30T19:13:51.23
IV.SSY.HHN. ML:2.2 0.00269 0.18 AML other m 2020-09-30T19:13:53.58
IV.HAGA.HHN. ML:1.1 0.0001145 0.56 AML other m 2020-09-30T19:13:54.44
IV.HAGA.HHE. ML:1.1 0.0001105 1.08 AML other m 2020-09-30T19:13:54.26
IV.HLNI.HHE. ML:1.2 0.00010665 0.32 AML other m 2020-09-30T19:13:56.61
IV.HAVL.HHE. ML:1.3 0.0001204 0.58 AML other m 2020-09-30T19:13:57.60
IV.HLNI.HHN. ML:1.1 7.36E-5 0.7 AML other m 2020-09-30T19:13:58.39
IV.HAVL.HHN. ML:1.4 0.0001455 0.42 AML other m 2020-09-30T19:13:58.83
IV.HMDC.HHE. ML:1.4 0.0001215 1.38 AML other m 2020-09-30T19:13:58.81
IV.HMDC.HHN. ML:1.3 8.435E-5 1.56 AML other m 2020-09-30T19:13:59.90
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