Earthquake with magnitude of ML 1.8 on date 04-09-2023 and time 18:39:23 (UTC) in region 8 km SW Morano Calabro (CS)

A magnitude ML 1.8 earthquake occured in region: 8 km SW Morano Calabro (CS), on

  • 04-09-2023 18:39:23 (UTC)
  • 04-09-2023 20:39:23 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.8050, 16.0530 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.

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
Lungro CS 9 2592 7168
Saracena CS 9 3828 10996
San Basile CS 10 1055 12051
Acquaformosa CS 10 1106 13157
San Donato di Ninea CS 10 1360 14517
Mormanno CS 11 3027 17544
Orsomarso CS 12 1265 18809
Castrovillari CS 13 22240 41049
Verbicaro CS 13 3056 44105
Altomonte CS 14 4488 48593
Firmo CS 14 2115 50708
Papasidero CS 15 734 51442
Laino Castello CS 16 848 52290
San Sosti CS 16 2185 54475
Rotonda PZ 17 3494 57969
Santa Domenica Talao CS 17 1263 59232
Mottafollone CS 18 1236 60468
Laino Borgo CS 18 1921 62389
Frascineto CS 18 2154 64543
Viggianello PZ 19 3025 67568
Grisolia CS 19 2249 69817
Buonvicino CS 19 2247 72064
Santa Maria del Cedro CS 20 4954 77018
MaierĂ  CS 20 1224 78242

Municipalities with at least 50000 inhabitants

An earthquake occurred to
60 Km N of Cosenza (67546 inhabitants)
95 Km N of Lamezia Terme (70714 inhabitants)
95 Km S of Potenza (67122 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 1.8 2023-09-04
18:39:23
39.8052 16.0533 10 2023-09-13
11:03:56
Sala Sismica INGV-Roma 120754601
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-09-04 18:39:23 ± 0.15
Latitude 39.8052 ± 0.0054
Longitude 16.0533 ± 0.0140
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 120754601

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1169
Semi-minor axis of confidence ellipse (meter) 528
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 272
Circular confidence region, given by single value of horizontal uncertainty (meter) 1170.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 120
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.55398
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 120754601
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-09-04 18:43:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MCEL.HHZ. 2023-09-04T18:39:43.32 0.6 undecidable manual S 340 61.494 50 0.6 41
IV.SCHR.EHZ. 2023-09-04T18:39:38.44 0.3 undecidable manual S 3 43.7229 50 0.44 67
IV.CET2.HHZ. 2023-09-04T18:39:34.66 0.3 undecidable manual S 195 31.8459 50 -0.15 72
IV.MCEL.HHZ. 2023-09-04T18:39:34.32 0.1 undecidable manual P 340 61.494 50 -0.28 89
IV.SIRI.HHZ. 2023-09-04T18:39:31.99 0.1 undecidable manual P 339 44.7219 50 -0.02 97
IV.SCHR.EHZ. 2023-09-04T18:39:31.78 0.1 undecidable manual P 3 43.7229 50 -0.09 96
IV.CET2.HHZ. 2023-09-04T18:39:30.19 0.1 undecidable manual P 195 31.8459 50 0.16 96
IV.GRIS.EHZ. 2023-09-04T18:39:30.85 0.3 undecidable manual S 247 18.5703 117 0.13 74
MN.CUC.HHZ. 2023-09-04T18:39:29.11 0.1 undecidable manual P 316 29.1486 50 -0.5 90
IV.TDS.HHZ. 2023-09-04T18:39:29.61 0.1 undecidable manual P 123 29.1486 50 0 100
XE.MORMA.HHZ. 2023-09-04T18:39:28.10 0.3 undecidable manual S 316 9.9789 133 -0.17 75
XE.T0702.HHZ. 2023-09-04T18:39:28.60 0.3 undecidable manual S 100
IV.GRIS.EHZ. 2023-09-04T18:39:27.87 0.1 positive manual P 247 18.5703 117 0.2 98
XE.T0701.HHZ. 2023-09-04T18:39:27.70 0.3 positive manual P 0.13 1.4
XE.T0702.HHZ. 2023-09-04T18:39:26.67 1.0 undecidable manual P -2.31 0
XE.MORMA.HHZ. 2023-09-04T18:39:26.37 0.6 positive manual P 316 9.9789 133 0.11 51
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
XE.MORMA.HNN. ML:2.1 0.001565 0.3 AML other m 2023-09-04T18:39:28.31
XE.MORMA.HHN. ML:2.1 0.0016099999999999999 0.28 AML other m 2023-09-04T18:39:28.31
XE.MORMA.HNE. ML:2.0 0.001335 0.42 AML other m 2023-09-04T18:39:28.44
XE.MORMA.HHE. ML:1.9 0.001185 0.76 AML other m 2023-09-04T18:39:29.44
IV.GRIS.EHE. ML:1.7 0.000424 0.26 AML other m 2023-09-04T18:39:31.16
IV.GRIS.EHN. ML:1.7 0.00038 0.44 AML other m 2023-09-04T18:39:31.60
XE.T0701.HNN. ML:1.6 0.0003095 0.38 AML other m 2023-09-04T18:39:33.90
XE.T0701.HHN. ML:2.0 0.0006575 0.38 AML other m 2023-09-04T18:39:33.90
XE.T0701.HHE. ML:2.0 0.0007019999999999999 0.86 AML other m 2023-09-04T18:39:33.81
XE.T0701.HNE. ML:1.7 0.00037 0.86 AML other m 2023-09-04T18:39:33.81
IV.CET2.HHE. ML:2.2 0.000701 0.16 AML other m 2023-09-04T18:39:34.87
IV.CET2.HHN. ML:2.2 0.0008100000000000001 0.34 AML other m 2023-09-04T18:39:35.28
MN.CUC.HHE. ML:1.5 0.00015 0.3 AML other m 2023-09-04T18:39:36.21
MN.CUC.HHN. ML:1.4 0.0001245 1.02 AML other m 2023-09-04T18:39:40.18
IV.SIRI.HNE. ML:1.7 0.000144 0.34 AML other m 2023-09-04T18:39:41.24
IV.SIRI.HHE. ML:1.7 0.00014199999999999998 0.34 AML other m 2023-09-04T18:39:41.41
IV.SIRI.HNN. ML:1.6 0.0001235 1.04 AML other m 2023-09-04T18:39:43.40
IV.SIRI.HHN. ML:1.6 0.0001185 0.24 AML other m 2023-09-04T18:39:43.40
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