Earthquake with magnitude of ML 0.7 on date 23-08-2023 and time 04:28:34 (Italy) in region Costa Calabra nord occidentale (Cosenza)

A magnitude ML 0.7 earthquake occured in region: Costa Calabra nord occidentale (Cosenza), on

  • 23-08-2023 02:28:34 (UTC)
  • 23-08-2023 04:28:34 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.4570, 15.9090 at 12 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
Acquappesa CS 6 1907 1907
Cetraro CS 7 10128 12035
Guardia Piemontese CS 8 1911 13946
Fuscaldo CS 12 8140 22086
Bonifati CS 15 2858 24944
Paola CS 16 16013 40957
Sangineto CS 16 1338 42295
Fagnano Castello CS 17 3885 46180
San Martino di Finita CS 18 1100 47280
Rota Greca CS 18 1156 48436
Belvedere Marittimo CS 18 9371 57807
Cerzeto CS 19 1373 59180
San Benedetto Ullano CS 19 1555 60735
Mongrassano CS 19 1607 62342
Sant'Agata di Esaro CS 19 1890 64232
Lattarico CS 20 4013 68245

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km NW of Cosenza (67546 inhabitants)
64 Km NW of Lamezia Terme (70714 inhabitants)
85 Km NW of Catanzaro (90612 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 0.7 2023-08-23
02:28:34
39.4573 15.9088 12 2023-08-23
02:49:55
Sala Sismica INGV-Roma 120396591
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-08-23 02:28:34 ± 0.1
Latitude 39.4573 ± 0.0036
Longitude 15.9088 ± 0.0058
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 120396591

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 488
Semi-minor axis of confidence ellipse (meter) 254
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 51
Circular confidence region, given by single value of horizontal uncertainty (meter) 490.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 220
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.12
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.54139
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:0.7

Field Value
Value 0.7
Uncertainty 0.2
Num. used stations 13
Type of magnitude ML
Reference to an origin 120396591
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-08-23 02:49:55
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
MN.CUC.HHZ. 2023-08-23T02:28:53.11 0.1 undecidable manual S 352 60.0954 92 -0.05 94
XE.MORMA.HHZ. 2023-08-23T02:28:49.55 0.3 undecidable manual S 7 46.1205 92 0.11 71
IV.TDS.HHE. 2023-08-23T02:28:48.58 0.3 undecidable manual S 58 43.0236 92 -0.04 73
IV.SPS2.HHZ. 2023-08-23T02:28:48.33 0.3 undecidable manual S 116 41.2254 93 0.19 71
IV.CAR1.HHZ. 2023-08-23T02:28:46.25 0.6 undecidable manual S 131 34.4433 93 -0.08 49
IV.T0702.HHZ. 2023-08-23T02:28:45.80 0.1 undecidable manual S 100
MN.CUC.HHZ. 2023-08-23T02:28:45.53 1.0 undecidable manual P 352 60.0954 92 0.18 23
IV.ZIDIL.HHZ. 2023-08-23T02:28:45.24 0.3 undecidable manual P 100
IV.GRIS.EHZ. 2023-08-23T02:28:45.38 0.3 undecidable manual S 351 31.746 94 -0.24 72
XE.MORMA.HHZ. 2023-08-23T02:28:43.25 1.0 positive manual P 7 46.1205 92 0.05 24
IV.CELI.HHZ. 2023-08-23T02:28:43.88 0.6 undecidable manual P 97 51.8037 92 -0.19 46
IV.SPS2.HHZ. 2023-08-23T02:28:42.44 0.6 negative manual P 116 41.2254 93 -0.01 49
IV.TDS.HHE. 2023-08-23T02:28:42.62 0.1 undecidable manual P 58 43.0236 92 -0.1 96
IV.CAR1.HHZ. 2023-08-23T02:28:41.29 0.6 negative manual P 131 34.4433 93 -0.11 49
IV.GRIS.EHZ. 2023-08-23T02:28:40.85 0.6 negative manual P 351 31.746 94 -0.14 49
XE.T0702.HHZ. 2023-08-23T02:28:40.99 1.0 negative manual P 0.11 0.62
IV.CET2.HHZ. 2023-08-23T02:28:39.79 0.3 undecidable manual S 26 8.88 133 -0.02 77
IV.CET2.HHZ. 2023-08-23T02:28:37.83 0.1 undecidable manual P 26 8.88 133 0.19 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CET2.HHE. ML:1.0 0.00012846454 0.08 AML other m 2023-08-23T02:28:40.29
IV.CET2.HHN. ML:1.4 0.000277 0.1 AML other m 2023-08-23T02:28:40.37
XE.T0702.HHE. ML:0.8 0.000028549845000000002 0.12 AML other m 2023-08-23T02:28:45.92
XE.T0702.HHN. ML:0.8 0.000027499999999999998 0.14 AML other m 2023-08-23T02:28:45.96
IV.CAR1.HHN. ML:0.7 0.00002105 0.5 AML other m 2023-08-23T02:28:47.04
IV.CAR1.HHE. ML:0.8 0.000024900715 0.1792 AML other m 2023-08-23T02:28:48.66
IV.SPS2.HHE. ML:0.5 0.00001235 0.52 AML other m 2023-08-23T02:28:49.45
IV.SPS2.HHN. ML:0.5 0.00001005 0.32 AML other m 2023-08-23T02:28:50.53
IV.GRIS.EHE. ML:0.5 0.000014994835 0.1408 AML other m 2023-08-23T02:28:46.98
IV.GRIS.EHN. ML:0.5 0.00001628282 0.1808 AML other m 2023-08-23T02:28:46.47
XE.T0702.HNE. ML:0.8 0.000027466145 0.4208 AML other m 2023-08-23T02:28:46.35
XE.MORMA.HHN. ML:0.6 0.000009358674000000001 0.1792 AML other m 2023-08-23T02:28:50.44
MN.CUC.HHE. ML:0.7 0.0000077667965 0.1392 AML other m 2023-08-23T02:28:54.27
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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