Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.8 on date 03-12-2023 and time 00:50:00 (Italy) in region 11 km W San Giovanni in Fiore (CS)

A magnitude ML 0.8 earthquake occured in region: 11 km W San Giovanni in Fiore (CS), on

  • 02-12-2023 23:50:00 (UTC)
  • 03-12-2023 00:50:00 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 39.2980, 16.5770 at 11 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
San Giovanni in Fiore CS 12 17372 17372
Cotronei KR 16 5480 22852
Castelsilano KR 17 1015 23867
Longobucco CS 17 3183 27050
Savelli KR 18 1271 28321
Cerenzia KR 19 1152 29473
Caccuri KR 19 1663 31136
Spezzano Piccolo CS 20 2079 33215

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km E of Cosenza (67546 inhabitants)
42 Km NE of Lamezia Terme (70714 inhabitants)
44 Km N of Catanzaro (90612 inhabitants)
53 Km W of Crotone (62178 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 0.8 2023-12-02
23:50:00		 39.2975 16.5768 11 2023-12-02
23:55:37		 Sala Sismica INGV-Roma 123725611
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-12-02 23:50:00 ± 0.08
Latitude 39.2975 ± 0.0045
Longitude 16.5768 ± 0.0070
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 123725611

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 573
Semi-minor axis of confidence ellipse (meter) 469
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 61
Circular confidence region, given by single value of horizontal uncertainty (meter) 570.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 99
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.34354
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.0
Num. used stations 2
Type of magnitude ML
Reference to an origin 123725611
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-12-02 23:55:37
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ACATE.EHZ. 2023-12-02T23:51:20.59 3.0 undecidable manual Sg 6.09 0
IV.MURB.HHZ. 2023-12-02T23:51:11.00 3.0 undecidable manual Pg 8.45 0
IV.GIB.HHZ. 2023-12-02T23:51:03.98 3.0 undecidable manual Sg 0.41 0
IV.CQUE.HHZ. 2023-12-02T23:50:57.29 3.0 undecidable manual Sg -0.25 0
IV.MRB1.HHZ. 2023-12-02T23:50:55.41 3.0 undecidable manual Sg 5.07 0
IV.PTRJ.HHZ. 2023-12-02T23:50:33.29 3.0 undecidable manual Pg 3.3 0
IX.SRN3.HHZ.02 2023-12-02T23:50:28.70 3.0 undecidable manual Sn -5.23 0
IV.PAOL.HHZ. 2023-12-02T23:50:26.76 3.0 undecidable manual Pg 0.13 0
IV.MRB1.HNZ. 2023-12-02T23:50:19.07 3.0 undecidable manual Pg -5.62 0
IV.CET2.HHZ. 2023-12-02T23:50:19.59 3.0 undecidable manual Sn 0.43 0
IY.MCDA.HHZ.00 2023-12-02T23:50:13.61 0.3 undecidable manual S 143 38.1285 50 0.46 65
IV.SELL.HHZ. 2023-12-02T23:50:12.45 0.6 undecidable manual S 173 35.1426 50 0.08 47
IV.SGO.HHZ. 2023-12-02T23:50:12.82 3.0 undecidable manual Pg -4.32 0
IV.PIPA.HHZ. 2023-12-02T23:50:10.73 0.6 undecidable manual S 44 29.2485 50 -0.05 48
IV.SERS.HHZ. 2023-12-02T23:50:10.87 0.6 undecidable manual S 162 30.5472 50 -0.28 46
IV.CDRU.HHZ. 2023-12-02T23:50:08.69 3.0 undecidable manual P -7.87 0
IV.SPS2.HHZ. 2023-12-02T23:50:08.57 0.6 undecidable manual S 268 20.4684 50 0.13 48
IV.SELL.HHZ. 2023-12-02T23:50:07.26 0.1 undecidable manual P 173 35.1426 50 -0.1 95
IY.MCDA.HHZ.00 2023-12-02T23:50:07.89 0.1 undecidable manual P 143 38.1285 50 0.09 94
IV.PIPA.HHZ. 2023-12-02T23:50:06.38 0.1 undecidable manual P 44 29.2485 50 -0.05 96
IV.CELI.HHZ. 2023-12-02T23:50:06.54 0.6 undecidable manual S 333 13.0758 130 0.13 49
IV.SERS.HHZ. 2023-12-02T23:50:06.41 0.1 undecidable manual P 162 30.5472 50 -0.24 93
IV.SPS2.HHZ. 2023-12-02T23:50:05.06 0.6 positive manual P 268 20.4684 50 -0.02 49
IV.CELI.HHZ. 2023-12-02T23:50:03.92 0.1 undecidable manual P 333 13.0758 130 0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SPS2.HHE. ML:0.8 0.000042050000000000006 0.44 AML other m 2023-12-02T23:50:09.48
IV.SPS2.HHN. ML:0.8 0.000037900000000000006 0.44 AML other m 2023-12-02T23:50:09.48
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