Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 04-09-2023 and time 17:49:07 (UTC) in region 8 km W Morano Calabro (CS)

A magnitude ML 1.0 earthquake occured in region: 8 km W Morano Calabro (CS), on

  • 04-09-2023 17:49:07 (UTC)
  • 04-09-2023 19:49:07 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.8150, 16.0510 at 10 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
Morano Calabro CS 8 4576 4576
San Basile CS 10 1055 5631
Lungro CS 10 2592 8223
Saracena CS 10 3828 12051
Mormanno CS 10 3027 15078
Acquaformosa CS 11 1106 16184
San Donato di Ninea CS 11 1360 17544
Orsomarso CS 12 1265 18809
Castrovillari CS 13 22240 41049
Verbicaro CS 14 3056 44105
Papasidero CS 14 734 44839
Altomonte CS 15 4488 49327
Laino Castello CS 15 848 50175
Firmo CS 15 2115 52290
Rotonda PZ 15 3494 55784
Santa Domenica Talao CS 17 1263 57047
Laino Borgo CS 17 1921 58968
San Sosti CS 17 2185 61153
Viggianello PZ 18 3025 64178
Frascineto CS 18 2154 66332
Mottafollone CS 19 1236 67568
Grisolia CS 19 2249 69817
Santa Maria del Cedro CS 20 4954 74771
Buonvicino CS 20 2247 77018

Municipalities with at least 50000 inhabitants

An earthquake occurred to
61 Km N of Cosenza (67546 inhabitants)
94 Km S of Potenza (67122 inhabitants)
96 Km N 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 1.0 2023-09-04
17:49:07		 39.8147 16.0507 10 2023-09-04
18:00:27		 Sala Sismica INGV-Roma 120752971
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-09-04 17:49:07 ± 0.06
Latitude 39.8147 ± 0.0054
Longitude 16.0507 ± 0.0070
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 120752971

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 754
Semi-minor axis of confidence ellipse (meter) 336
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 316
Circular confidence region, given by single value of horizontal uncertainty (meter) 750.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 177
Number of associated phases, regardless of their use for origin computation 37
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.11
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.29498
Number of stations at which the event was observed 29
Number of stations from which data was used for origin computation 11
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 120752971
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-09-04 18:00:27
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LNSS.HHZ. 2023-09-04T17:50:37.70 3.0 undecidable manual Sn -6.98 0
IV.CSNT.HHZ. 2023-09-04T17:50:32.41 3.0 positive manual Pg 14.31 0
IV.RIBO.EHZ.01 2023-09-04T17:50:31.06 3.0 negative manual Pg 15.49 0
IV.ACATE.EHZ. 2023-09-04T17:50:19.42 3.0 undecidable manual Sn -2.03 0
IV.ATMI.HHZ. 2023-09-04T17:50:19.64 3.0 undecidable manual Pg 9.92 0
IV.MURB.HNZ. 2023-09-04T17:50:18.89 3.0 undecidable manual Pg 11.64 0
IV.ARRO.EHZ. 2023-09-04T17:50:14.65 3.0 positive manual Pg 15.7 0
IV.ECTS.HHZ. 2023-09-04T17:50:10.33 3.0 undecidable manual Sg 12.34 0
IV.MF5.EHZ. 2023-09-04T17:50:05.84 3.0 negative manual Pg 7.5 0
IV.IVPL.HHZ. 2023-09-04T17:50:04.22 3.0 undecidable manual Sg 13.03 0
IV.MMGO.HHZ. 2023-09-04T17:49:56.26 3.0 positive manual Pg 6.48 0
IV.MRB1.HHZ. 2023-09-04T17:49:53.53 3.0 undecidable manual Sn -1.7 0
IV.MSRU.HHZ. 2023-09-04T17:49:48.04 3.0 undecidable manual Sn 1.43 0
IV.INTR.HHZ. 2023-09-04T17:49:43.18 3.0 undecidable manual Pn -2.19 0
IV.CDRU.HHZ. 2023-09-04T17:49:40.49 3.0 undecidable manual Sn -0.64 0
IV.HLNI.HHZ. 2023-09-04T17:49:33.14 3.0 negative manual Pn -5.15 0
IV.MSRU.HHZ. 2023-09-04T17:49:21.96 3.0 undecidable manual Pn -2.61 0
IV.PZUN.HHZ. 2023-09-04T17:49:20.53 3.0 undecidable manual Pg 1.05 0
IV.CET2.HHZ. 2023-09-04T17:49:18.95 0.3 undecidable manual S 195 32.745 50 -0.24 69
IV.TNOVA.HHZ. 2023-09-04T17:49:16.66 0.3 undecidable manual S 100
IV.GRIS.EHZ. 2023-09-04T17:49:15.12 0.3 undecidable manual S 244 18.7701 118 -0.05 74
IV.CET2.HHZ. 2023-09-04T17:49:14.52 0.1 negative manual P 195 32.745 50 0.16 94
MN.CUC.HHZ. 2023-09-04T17:49:13.71 1.0 positive manual P 315 28.2495 50 0.05 24
XE.CNESE.HNE. 2023-09-04T17:49:12.51 0.6 undecidable manual S 18 9.2796 138 -0.02 50
XE.MORMA.HHZ. 2023-09-04T17:49:12.39 0.6 undecidable manual S 312 9.0798 138 -0.1 50
IV.T0702.HHZ. 2023-09-04T17:49:12.76 0.3 undecidable manual S 100
IV.TNOVA.HHZ. 2023-09-04T17:49:12.73 0.3 undecidable manual P 100
IV.GRIS.EHZ. 2023-09-04T17:49:12.14 0.1 undecidable manual P 244 18.7701 118 0.1 98
IV.MMN.HHN. 2023-09-04T17:49:12.57 0.6 undecidable manual S 329 9.879 136 -0.12 49
IV.ZIDIL.HHZ. 2023-09-04T17:49:11.96 0.3 undecidable manual P 100
IV.T0701.HHZ. 2023-09-04T17:49:11.89 0.3 undecidable manual P 100
XE.LAICA.HHE. 2023-09-04T17:49:11.46 1.0 undecidable manual P 337 16.1727 122 -0.14 24
IV.T0702.HHZ. 2023-09-04T17:49:10.91 0.1 undecidable manual P 100
IV.MMN.HHN. 2023-09-04T17:49:10.69 0.3 undecidable manual P 329 9.879 136 0.08 74
XE.CNESE.HNE. 2023-09-04T17:49:10.47 0.1 undecidable manual P 18 9.2796 138 -0.05 100
XE.MORMA.HHZ. 2023-09-04T17:49:10.61 0.3 undecidable manual P 312 9.0798 138 0.11 74
IV.SELL.HHZ. 2023-09-04T17:49:09.36 3.0 negative manual Pn -3.07 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
XE.MORMA.HNN. ML:1.1 0.0001585 1.52 AML other m 2023-09-04T17:49:12.81
XE.T0702.HHE. ML:1.1 0.00016599999999999997 1.42 AML other m 2023-09-04T17:49:12.82
XE.MORMA.HHN. ML:1.0 0.000148 0.12 AML other m 2023-09-04T17:49:12.86
XE.MORMA.HNE. ML:1.3 0.00025 0.24 AML other m 2023-09-04T17:49:12.86
XE.MORMA.HHE. ML:1.2 0.0002365 0.22 AML other m 2023-09-04T17:49:12.87
XE.T0702.HNE. ML:0.8 0.00008269999999999999 0.5 AML other m 2023-09-04T17:49:13.36
XE.T0702.HHN. ML:0.8 0.0000872 0.44 AML other m 2023-09-04T17:49:13.56
XE.T0702.HNN. ML:0.7 0.00005385 1.12 AML other m 2023-09-04T17:49:13.40
XE.T0701.HHN. ML:1.2 0.0001085 0.5 AML other m 2023-09-04T17:49:17.15
XE.T0701.HHE. ML:1.2 0.00011949999999999999 1.72 AML other m 2023-09-04T17:49:18.10
IV.GRIS.EHE. ML:0.8 0.000049929 1.0112 AML other m 2023-09-04T17:49:15.28
IV.GRIS.EHN. ML:0.6 0.00003569836 0.192 AML other m 2023-09-04T17:49:17.66
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