Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 25-10-2023 and time 12:22:50 (UTC) in region 3 km NE Bocchigliero (CS)

A magnitude ML 1.4 earthquake occured in region: 3 km NE Bocchigliero (CS), on

  • 25-10-2023 12:22:50 (UTC)
  • 25-10-2023 14:22:50 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.4340, 16.7920 at 32 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
Bocchigliero CS 3 1298 1298
Campana CS 4 1813 3111
Mandatoriccio CS 6 2872 5983
Pietrapaola CS 6 1141 7124
Scala Coeli CS 8 1014 8138
Caloveto CS 9 1263 9401
Cropalati CS 11 1084 10485
Savelli KR 13 1271 11756
Terravecchia CS 14 823 12579
Calopezzati CS 14 1369 13948
Umbriatico KR 14 863 14811
Paludi CS 15 1062 15873
Verzino KR 15 1851 17724
Cariati CS 15 8355 26079
Crosia CS 15 9762 35841
Longobucco CS 16 3183 39024
Pallagorio KR 17 1217 40241
Castelsilano KR 18 1015 41256
Crucoli KR 18 3115 44371

Municipalities with at least 50000 inhabitants

An earthquake occurred to
49 Km E of Cosenza (67546 inhabitants)
49 Km NW of Crotone (62178 inhabitants)
61 Km N of Catanzaro (90612 inhabitants)
65 Km NE 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 1.4 2023-10-25
12:22:50		 39.434 16.7918 32 2023-10-25
12:30:22		 Sala Sismica INGV-Roma 122377711
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-10-25 12:22:50 ± 0.41
Latitude 39.4340 ± 0.0171
Longitude 16.7918 ± 0.0151
Depth (km) 32 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 122377711

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1468
Semi-minor axis of confidence ellipse (meter) 1385
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 156
Circular confidence region, given by single value of horizontal uncertainty (meter) 1470.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 118
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.05396
Epicentral distance of station farthest from the epicenter (degree) 0.40559
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 122377711
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-10-25 12:30:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SERS.HHE. 2023-10-25T12:23:06.20 0.6 undecidable manual S 191 45.0216 121 -0.37 59
IV.CELI.HHZ. 2023-10-25T12:23:02.59 0.3 undecidable manual S 262 24.4533 140 0.25 96
IV.LADO.EHZ. 2023-10-25T12:23:02.57 0.3 undecidable manual S 136 23.1546 141 0.46 92
IV.PIPA.HHZ. 2023-10-25T12:22:59.67 0.6 undecidable manual S 20 5.994 169 -0.46 62
IV.SPS2.HHZ. 2023-10-25T12:22:59.53 0.3 undecidable manual P 248 41.9247 123 0.17 94
IV.SERS.HHE. 2023-10-25T12:22:59.82 0.3 undecidable manual P 191 45.0216 121 0.06 96
IY.CIRK.HHZ.00 2023-10-25T12:22:57.58 0.3 undecidable manual P 102 23.6541 141 0.34 94
IV.CELI.HHZ. 2023-10-25T12:22:57.28 0.3 undecidable manual P 262 24.4533 140 -0.04 100
IV.LADO.EHZ. 2023-10-25T12:22:56.72 0.3 undecidable manual P 136 23.1546 141 -0.47 91
IV.PIPA.HHZ. 2023-10-25T12:22:55.86 0.3 undecidable manual P 20 5.994 169 -0.18 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PIPA.HHE. ML:1.8 0.000302 1.8 AML other m 2023-10-25T12:23:00.90
IV.PIPA.HHN. ML:1.7 0.0002215 0.16 AML other m 2023-10-25T12:23:00.19
IV.LADO.EHE. ML:1.3 0.00006715 0.64 AML other m 2023-10-25T12:23:02.12
IV.CELI.HHN. ML:1.5 0.00011399999999999999 0.44 AML other m 2023-10-25T12:23:02.68
IV.LADO.EHN. ML:1.4 0.00009195 1.22 AML other m 2023-10-25T12:23:03.63
IV.CELI.HHE. ML:1.1 0.0000447 1 AML other m 2023-10-25T12:23:03.74
IV.SPS2.HHN. ML:1.0 0.000027400000000000002 0.36 AML other m 2023-10-25T12:23:06.72
IV.SPS2.HHE. ML:1.2 0.00003419999999999999 0.32 AML other m 2023-10-25T12:23:07.89
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