Earthquake with magnitude of ML 1.4 on date 18-09-2023 and time 01:32:10 (Italy) in region Costa Calabra sud occidentale (Catanzaro, Vibo Valentia, Reggio di Calabria)

A magnitude ML 1.4 earthquake occured in region: Costa Calabra sud occidentale (Catanzaro, Vibo Valentia, Reggio di Calabria), on

  • 17-09-2023 23:32:10 (UTC)
  • 18-09-2023 01:32:10 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.9240, 15.9750 at 36 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
Falerna CZ 19 4028 4028

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km W of Lamezia Terme (70714 inhabitants)
48 Km SW of Cosenza (67546 inhabitants)
54 Km W of Catanzaro (90612 inhabitants)
89 Km NE of Messina (238439 inhabitants)
95 Km N of Reggio di Calabria (183035 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 1.4 2023-09-17
23:32:10
38.9243 15.9752 36 2023-09-17
23:36:43
Sala Sismica INGV-Roma 121144701
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-09-17 23:32:10 ± 0.07
Latitude 38.9243 ± 0.0027
Longitude 15.9752 ± 0.0104
Depth (km) 36 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 121144701

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 908
Semi-minor axis of confidence ellipse (meter) 143
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 96
Circular confidence region, given by single value of horizontal uncertainty (meter) 910.0
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 17
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.85256
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.4
Num. used stations 8
Type of magnitude ML
Reference to an origin 121144701
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-09-17 23:36:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SNAL.HNZ. 2023-09-17T23:33:10.48 3.0 undecidable manual Sn 0.49 0
IV.SOI.EHZ. 2023-09-17T23:32:38.42 0.1 undecidable manual S 176 94.6386 54 0.03 90
XE.T0702.HHZ. 2023-09-17T23:32:37.19 0.1 undecidable manual S 6 88.8444 54 0.05 91
IV.GRIS.EHZ. 2023-09-17T23:32:37.46 0.1 undecidable manual S 353 91.1421 54 -0.17 88
IV.CELI.HHZ. 2023-09-17T23:32:32.78 0.1 undecidable manual S 41 70.1742 113 -0.15 91
IV.CET2.HHZ. 2023-09-17T23:32:31.90 0.1 undecidable manual S 358 67.0773 114 -0.28 91
IV.SPS2.HHZ. 2023-09-17T23:32:28.39 0.1 undecidable manual S 37 51.3153 121 -0.05 97
IY.SPDC.HHZ. 2023-09-17T23:32:27.06 0.1 undecidable manual S 163 46.2204 124 -0.22 95
IV.SOI.EHZ. 2023-09-17T23:32:26.32 1.0 positive manual P 176 94.6386 54 -0.24 22
IV.GRIS.EHZ. 2023-09-17T23:32:26.27 0.6 negative manual P 353 91.1421 54 0.15 44
IV.CAR1.HHZ. 2023-09-17T23:32:26.32 0.1 undecidable manual S 29 41.7249 127 0 100
XE.T0702.HHZ. 2023-09-17T23:32:25.80 1.0 negative manual P 6 88.8444 54 -0.04 23
IV.CET2.HHZ. 2023-09-17T23:32:23.19 0.3 negative manual P 358 67.0773 114 0.21 68
IV.CELI.HHZ. 2023-09-17T23:32:23.34 0.6 negative manual P 41 70.1742 113 -0.07 47
IV.SPS2.HHZ. 2023-09-17T23:32:21.01 0.6 positive manual P 37 51.3153 121 0.19 47
IY.SPDC.HHZ. 2023-09-17T23:32:20.35 0.3 positive manual P 163 46.2204 124 0.2 71
IV.CAR1.HHZ. 2023-09-17T23:32:19.92 0.1 positive manual P 29 41.7249 127 0.33 94
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CAR1.HHE. ML:1.4 0.0000595 1.48 AML other m 2023-09-17T23:32:27.20
IV.CAR1.HHN. ML:1.3 0.000046 1.42 AML other m 2023-09-17T23:32:27.92
IY.SPDC.HHN. ML:1.9 0.000189 0.44 AML other m 2023-09-17T23:32:27.62
IV.SPS2.HHN. ML:0.9 0.00001425 0.18 AML other m 2023-09-17T23:32:28.51
IY.SPDC.HHE. ML:1.8 0.0001515 1.38 AML other m 2023-09-17T23:32:28.20
IV.SPS2.HHE. ML:0.7 0.000009305000000000002 0.94 AML other m 2023-09-17T23:32:29.61
IV.CET2.HHN. ML:1.5 0.0000427 1.56 AML other m 2023-09-17T23:32:31.96
IV.CET2.HHE. ML:1.4 0.0000333 0.38 AML other m 2023-09-17T23:32:32.30
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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