Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 17-09-2022 and time 02:25:31 (Italy) in region 5 km N Sortino (SR)

A magnitude ML 1.3 earthquake occured in region: 5 km N Sortino (SR), on

  • 17-09-2022 00:25:31 (UTC)
  • 17-09-2022 02:25:31 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.2100, 15.0190 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.

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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 5 8690 8690
Carlentini SR 7 17798 26488
Lentini SR 9 24085 50573
Melilli SR 10 13621 64194
Ferla SR 12 2523 66717
Francofonte SR 13 12800 79517
Cassaro SR 13 821 80338
Solarino SR 15 8091 88429
Priolo Gargallo SR 16 12091 100520
Buccheri SR 18 1999 102519
Augusta SR 18 36305 138824
Scordia CT 18 17095 155919
Buscemi SR 18 1051 156970
Floridia SR 19 22762 179732
Palazzolo Acreide SR 19 8808 188540
Canicattini Bagni SR 20 7109 195649

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km NW of Siracusa (122291 inhabitants)
33 Km S of Catania (314555 inhabitants)
41 Km NE of Ragusa (73313 inhabitants)
45 Km NE of Modica (54633 inhabitants)
47 Km S of Acireale (52622 inhabitants)
52 Km NE of Vittoria (63339 inhabitants)
70 Km E of Gela (75827 inhabitants)
90 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 2022-09-17
00:25:31		 37.2103 15.0188 24 2024-03-01
15:28:21		 Bollettino Sismico Italiano INGV 116139441
Reviewed
Rev100 		ML 1.3 2022-09-17
00:25:30		 37.2063 15.0193 25 2022-09-17
00:33:08		 Sala Sismica INGV-Roma 109802281
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-09-17 00:25:31 ± 0.12
Latitude 37.2103 ± 0.0045
Longitude 15.0188 ± 0.0045
Depth (km) 24 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 116139441

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 406
Semi-minor axis of confidence ellipse (meter) 329
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 276
Circular confidence region, given by single value of horizontal uncertainty (meter) 410.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 55
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 23
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) 0.06835
Epicentral distance of station farthest from the epicenter (degree) 0.52251
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:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 9
Type of magnitude ML
Reference to an origin 109802281
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-09-17 00:33:08

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 9
Type of magnitude ML
Reference to an origin 116139441
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-04-07 12:56:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HMDC.HHE. 2022-09-17T00:25:43.74 0.3 undecidable manual S 217 34.8429 117 -0.02 73
IV.HVZN.HHZ. 2022-09-17T00:25:42.32 0.6 undecidable manual S 263 27.0507 125 0.35 46
IV.RAFF.HHZ. 2022-09-17T00:25:42.04 0.3 undecidable manual P 272 57.9975 105 0.25 66
IV.HAVL.HHE. 2022-09-17T00:25:42.29 0.3 undecidable manual S 162 29.2485 122 -0.18 71
1J.FX01.HHE. 2022-09-17T00:25:42.83 0.6 undecidable manual S 124 29.748 122 0.25 47
IV.HSRS.HNN. 2022-09-17T00:25:40.98 0.6 undecidable manual S 126 22.1556 131 0.03 50
IV.HLNI.HHZ. 2022-09-17T00:25:40.23 0.6 undecidable manual S 320 20.0688 134 -0.3 47
IV.HAGA.HHE. 2022-09-17T00:25:39.55 0.3 undecidable manual S 55 14.5743 144 -0.02 75
IV.HCRL.HHZ. 2022-09-17T00:25:39.03 0.3 undecidable manual S 8 8.1807 158 0.29 72
IV.HMDC.HHE. 2022-09-17T00:25:38.30 0.3 undecidable manual P 217 34.8429 117 -0.14 71
1J.FX02.HHE. 2022-09-17T00:25:38.92 0.6 undecidable manual S 109 10.9779 152 -0.14 49
IV.SSY.HHZ. 2022-09-17T00:25:38.94 0.6 undecidable manual S 140 7.5813 160 0.25 49
IT.LNT.HGZ. 2022-09-17T00:25:38.33 0.6 undecidable manual S 350 8.7801 157 -0.48 46
1J.FX01.HHE. 2022-09-17T00:25:37.86 0.3 undecidable manual P 124 29.748 122 0.1 72
IV.HVZN.HHZ. 2022-09-17T00:25:37.36 0.3 undecidable manual P 263 27.0507 125 -0.05 74
IV.HAVL.HHE. 2022-09-17T00:25:37.62 0.1 undecidable manual P 162 29.2485 122 -0.07 97
IV.HLNI.HHZ. 2022-09-17T00:25:36.39 0.1 negative manual P 320 20.0688 134 -0.19 96
IV.HSRS.HNN. 2022-09-17T00:25:36.69 0.3 undecidable manual P 126 22.1556 131 -0.12 72
IV.SSY.HHZ. 2022-09-17T00:25:35.63 0.1 undecidable manual P 140 7.5813 160 0.12 100
IT.LNT.HGZ. 2022-09-17T00:25:35.59 0.3 undecidable manual P 350 8.7801 157 0.01 76
IV.HCRL.HHZ. 2022-09-17T00:25:35.66 0.1 undecidable manual P 8 8.1807 158 0.12 99
1J.FX02.HHE. 2022-09-17T00:25:35.70 0.3 undecidable manual P 109 10.9779 152 -0.02 75
IV.HAGA.HHE. 2022-09-17T00:25:35.99 0.1 undecidable manual P 55 14.5743 144 -0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.HCRL.HHN. ML:1.4 0.000143 0.18 AML other m 2022-09-17T00:25:39.18
IV.HCRL.HHE. ML:1.5 0.00021799999999999999 0.16 AML other m 2022-09-17T00:25:39.20
IV.SSY.HHE. ML:1.5 0.000189065085 0.12 AML other m 2022-09-17T00:25:39.69
IV.SSY.HNE. ML:1.1 0.000088618035 0.09 AML other m 2022-09-17T00:25:39.77
IV.SSY.HHN. ML:1.8 0.0004195578 0.1 AML other m 2022-09-17T00:25:39.77
IV.SSY.HNN. ML:1.2 0.000106062085 0.09 AML other m 2022-09-17T00:25:39.77
IV.HLNI.HHN. ML:1.0 0.0000506 1.1 AML other m 2022-09-17T00:25:40.66
IV.HLNI.HHE. ML:1.2 0.0000713 1.18 AML other m 2022-09-17T00:25:40.83
IV.HVZN.HHE. ML:1.2 0.000068053385 1.48 AML other m 2022-09-17T00:25:45.11
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