Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 30-09-2023 and time 08:10:11 (Italy) in region Costa Calabra nord occidentale (Cosenza)

A magnitude ML 1.6 earthquake occured in region: Costa Calabra nord occidentale (Cosenza), on

  • 30-09-2023 06:10:11 (UTC)
  • 30-09-2023 08:10:11 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.6050, 15.8190 at 88 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Belvedere Marittimo CS 4 9371 9371
Bonifati CS 8 2858 12229
Diamante CS 8 5329 17558
Sangineto CS 8 1338 18896
Buonvicino CS 11 2247 21143
Maierà CS 13 1224 22367
Grisolia CS 14 2249 24616
Sant'Agata di Esaro CS 14 1890 26506
Cetraro CS 14 10128 36634
Santa Maria del Cedro CS 16 4954 41588
Acquappesa CS 17 1907 43495
Verbicaro CS 19 3056 46551
San Sosti CS 19 2185 48736

Municipalities with at least 50000 inhabitants

An earthquake occurred to
51 Km NW of Cosenza (67546 inhabitants)
82 Km NW of Lamezia Terme (70714 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
Reviewed
Rev100 		ML 1.6 2023-09-30
06:10:11		 39.6047 15.8193 88 2023-09-30
06:18:24		 Sala Sismica INGV-Roma 121605491
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-09-30 06:10:11 ± 0.29
Latitude 39.6047 ± 0.0171
Longitude 15.8193 ± 0.0245
Depth (km) 88 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 121605491

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2244
Semi-minor axis of confidence ellipse (meter) 1095
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 49
Circular confidence region, given by single value of horizontal uncertainty (meter) 2240.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 186
Number of associated phases, regardless of their use for origin computation 37
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.71946
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 14
Magnitude information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 121605491
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-09-30 06:18:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SBPO.HNZ. 2023-09-30T06:11:54.22 3.0 negative manual Pg 12.92 0
IV.CRND.HNZ. 2023-09-30T06:11:40.81 3.0 undecidable manual Pn -4.45 0
OT.OT14.EHZ. 2023-09-30T06:11:25.55 3.0 undecidable manual Sg 5.86 0
IV.BRSN.HNZ. 2023-09-30T06:11:20.84 3.0 positive manual Pn -5.73 0
IV.SACR.HHZ. 2023-09-30T06:11:15.26 3.0 undecidable manual Sg 1.85 0
OT.OT12.EHZ. 2023-09-30T06:11:14.26 3.0 undecidable manual Sg 0.17 0
IV.MIDA.HHZ. 2023-09-30T06:11:09.58 3.0 undecidable manual Sn -9.99 0
IV.HPAC.HHZ. 2023-09-30T06:11:01.51 3.0 undecidable manual Pg 14.6 0
OT.OT14.EHZ. 2023-09-30T06:10:50.31 3.0 undecidable manual Pg 4.71 0
IV.MIDA.HHZ. 2023-09-30T06:10:49.15 3.0 undecidable manual Pg 2.63 0
IV.RESU.HHZ. 2023-09-30T06:10:41.78 3.0 undecidable manual Pn 0.49 0
IV.BULG.HHZ. 2023-09-30T06:10:39.02 0.3 undecidable manual S 325 64.5909 139 0.43 84
IV.SIRI.HHZ. 2023-09-30T06:10:38.03 0.6 undecidable manual S 4 64.1913 140 -0.5 54
IV.MGR.HHZ. 2023-09-30T06:10:38.30 0.3 undecidable manual S 339 63.2922 140 -0.11 90
IV.SALB.HHZ. 2023-09-30T06:10:37.49 0.3 undecidable manual S 56 54.1014 145 0.29 89
IV.SACR.HNZ. 2023-09-30T06:10:37.24 3.0 undecidable manual Pn -4.83 0
7C.SPAOL.HNZ. 2023-09-30T06:10:37.20 3.0 undecidable manual Pn -0.27 0
IV.NOCI.HHZ. 2023-09-30T06:10:35.64 3.0 negative manual Pn 0.01 0
IV.CET2.HHZ. 2023-09-30T06:10:34.04 0.6 undecidable manual S 126 14.2746 170 0.23 64
IV.AMUR.HHZ. 2023-09-30T06:10:34.98 3.0 negative manual Pn -0.26 0
XE.T0702.HHZ. 2023-09-30T06:10:34.50 0.6 undecidable manual S 60 25.9518 162 0.06 65
XE.MORMA.HHZ. 2023-09-30T06:10:34.69 0.6 undecidable manual S 24 32.1456 158 -0.21 62
IV.GRIS.EHZ. 2023-09-30T06:10:33.69 0.6 undecidable manual S 11 15.3735 169 -0.17 65
IV.MCEL.HHZ. 2023-09-30T06:10:28.82 0.3 undecidable manual P 359 79.8645 133 0.28 85
IV.CELI.HHZ. 2023-09-30T06:10:27.58 0.3 undecidable manual P 111 63.0924 140 0.48 83
IV.MGR.HHZ. 2023-09-30T06:10:27.04 0.3 undecidable manual P 339 63.2922 140 -0.08 91
IV.BULG.HHZ. 2023-09-30T06:10:27.51 0.3 undecidable manual P 325 64.5909 139 0.29 87
IV.SPS2.HHZ. 2023-09-30T06:10:27.08 0.3 negative manual P 128 56.499 143 0.49 84
IV.SIRI.HHZ. 2023-09-30T06:10:26.46 0.3 undecidable manual P 4 64.1913 140 -0.73 75
IV.SALB.HHZ. 2023-09-30T06:10:26.78 0.3 undecidable manual P 56 54.1014 145 0.36 87
XE.T0701.HNE. 2023-09-30T06:10:26.03 0.6 undecidable manual P 31 49.3173 147 -0.05 62
MN.CUC.HHE. 2023-09-30T06:10:25.31 0.6 undecidable manual P 360 43.1235 151 -0.38 59
IV.CAR1.HNZ. 2023-09-30T06:10:25.39 0.1 undecidable manual P 139 51.4152 146 -0.84 100
XE.MORMA.HHZ. 2023-09-30T06:10:24.83 1.0 positive manual P 24 32.1456 158 -0.26 31
IV.GRIS.EHZ. 2023-09-30T06:10:24.41 0.6 positive manual P 11 15.3735 169 -0.08 66
IV.CET2.HHZ. 2023-09-30T06:10:24.57 0.6 undecidable manual P 126 14.2746 170 0.11 66
XE.T0702.HHZ. 2023-09-30T06:10:24.75 1.0 negative manual P 60 25.9518 162 -0.07 32
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CET2.HHN. ML:2.1 0.00016599999999999997 1.14 AML other m 2023-09-30T06:10:34.85
XE.T0702.HHE. ML:1.8 0.00006425 1 AML other m 2023-09-30T06:10:34.97
XE.T0702.HHN. ML:1.6 0.00004285 0.9 AML other m 2023-09-30T06:10:35.04
IV.CET2.HHE. ML:1.7 0.000060450000000000006 1.32 AML other m 2023-09-30T06:10:35.17
IV.SIRI.HHN. ML:1.4 0.0000195 0.96 AML other m 2023-09-30T06:10:38.62
IV.SIRI.HHE. ML:1.5 0.00002305 1.18 AML other m 2023-09-30T06:10:38.08
IV.MGR.HHE. ML:1.6 0.00003385 0.38 AML other m 2023-09-30T06:10:38.80
IV.MGR.HHN. ML:1.5 0.00002795 1.4 AML other m 2023-09-30T06:10:39.89
IV.BULG.HHE. ML:1.5 0.00003135 0.62 AML other m 2023-09-30T06:10:41.43
IV.BULG.HHN. ML:1.8 0.00004915 0.78 AML other m 2023-09-30T06:10:43.29
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