Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 29-10-2023 and time 04:33:42 (Italy) in region 1 km NW Stefanaconi (VV)

A magnitude ML 1.5 earthquake occured in region: 1 km NW Stefanaconi (VV), on

  • 29-10-2023 03:33:42 (UTC)
  • 29-10-2023 04:33:42 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.6880, 16.1200 at 16 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
Stefanaconi VV 1 2494 2494
Vibo Valentia VV 2 33941 36435
Sant'Onofrio VV 2 3067 39502
San Gregorio d'Ippona VV 5 2527 42029
Pizzo VV 7 9278 51307
Maierato VV 7 2188 53495
San Costantino Calabro VV 7 2239 55734
Francica VV 8 1651 57385
Cessaniti VV 8 3290 60675
Briatico VV 9 4053 64728
Ionadi VV 9 4238 68966
Filogaso VV 10 1417 70383
Mileto VV 11 6763 77146
Filandari VV 11 1853 78999
Zambrone VV 11 1775 80774
Zungri VV 12 1976 82750
Vazzano VV 13 1067 83817
Pizzoni VV 13 1143 84960
Soriano Calabro VV 14 2421 87381
Gerocarne VV 14 2248 89629
Rombiolo VV 14 4569 94198
Sorianello VV 14 1176 95374
San Nicola da Crissa VV 15 1335 96709
Capistrano VV 15 1042 97751
Monterosso Calabro VV 15 1729 99480
Dasà VV 15 1208 100688
Acquaro VV 16 2484 103172
San Calogero VV 16 4315 107487
Arena VV 16 1456 108943
Vallelonga VV 16 706 109649
Zaccanopoli VV 17 752 110401
Francavilla Angitola VV 17 1939 112340
Parghelia VV 17 1300 113640
Dinami VV 18 2168 115808
Drapia VV 18 2085 117893
Polia VV 18 1023 118916
San Pietro di Caridà RC 18 1195 120111
Filadelfia VV 19 5384 125495
Tropea VV 19 6441 131936
Serrata RC 19 845 132781
Spilinga VV 20 1464 134245
Limbadi VV 20 3695 137940

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km SW of Lamezia Terme (70714 inhabitants)
48 Km SW of Catanzaro (90612 inhabitants)
68 Km S of Cosenza (67546 inhabitants)
74 Km NE of Messina (238439 inhabitants)
77 Km NE of Reggio di Calabria (183035 inhabitants)
97 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 1.5 2023-10-29
03:33:42		 38.688 16.1202 16 2023-10-29
03:39:55		 Sala Sismica INGV-Roma 122530361
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-10-29 03:33:42 ± 0.15
Latitude 38.6880 ± 0.0036
Longitude 16.1202 ± 0.0081
Depth (km) 16 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 122530361

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 541
Semi-minor axis of confidence ellipse (meter) 496
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 102
Circular confidence region, given by single value of horizontal uncertainty (meter) 540.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 166
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.84986
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 122530361
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-10-29 03:39:55
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SACR.HHZ. 2023-10-29T03:35:00.82 3.0 undecidable manual Sn 0.15 0
AC.KBN.HHZ.00 2023-10-29T03:34:42.08 3.0 positive manual Pn -0.13 0
IV.ACER.HHZ. 2023-10-29T03:34:41.20 3.0 undecidable manual Sn 0.29 0
IV.SACR.HHZ. 2023-10-29T03:34:33.74 3.0 undecidable manual Pg 7.81 0
7C.SPAOL.HNZ. 2023-10-29T03:34:22.60 3.0 undecidable manual Sn -0.17 0
IV.HPAC.HHZ. 2023-10-29T03:34:20.64 3.0 undecidable manual Pg 5.71 0
IV.ACATE.EHZ. 2023-10-29T03:34:12.77 3.0 undecidable manual Pn -1.37 0
IV.CET2.HHZ. 2023-10-29T03:33:58.11 0.1 undecidable manual P 351 94.3389 94 -0.17 86
IV.CELI.HHZ. 2023-10-29T03:33:57.52 1.0 undecidable manual P 23 86.0472 94 0.52 20
IV.GIZZ.HHZ. 2023-10-29T03:33:53.65 0.3 undecidable manual S 13 33.2445 104 -0.14 73
IV.SOI.EHZ. 2023-10-29T03:33:53.96 1.0 undecidable manual P 185 68.4759 95 -0.34 22
IV.SERS.HHZ. 2023-10-29T03:33:53.28 0.1 undecidable manual P 52 62.493 96 -0.1 93
IV.SELL.HHZ. 2023-10-29T03:33:52.09 0.1 undecidable manual P 53 54.7008 97 -0.1 94
IV.GRI.EHZ. 2023-10-29T03:33:52.89 0.3 undecidable manual S 60 29.9478 106 -0.04 74
IY.CHCE.HHZ.00 2023-10-29T03:33:51.76 0.6 undecidable manual S 91 25.4523 110 -0.04 50
IY.SPDC.HHZ. 2023-10-29T03:33:49.83 0.3 undecidable manual S 177 17.9709 121 -0.16 76
IV.GIZZ.HHZ. 2023-10-29T03:33:49.15 0.1 undecidable manual P 13 33.2445 104 0.22 96
IV.PLAC.HHZ. 2023-10-29T03:33:49.61 0.1 positive manual P 134 38.2284 101 -0.07 98
IV.GRI.EHZ. 2023-10-29T03:33:48.42 0.1 positive manual P 60 29.9478 106 -0.01 100
IY.CHCE.HHZ.00 2023-10-29T03:33:48.03 0.1 undecidable manual P 91 25.4523 110 0.25 97
IY.SPDC.HHZ. 2023-10-29T03:33:46.87 0.1 positive manual P 177 17.9709 121 0.13 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IY.SPDC.HHE. ML:2.1 0.000848 0.52 AML other m 2023-10-29T03:33:50.50
IY.SPDC.HHN. ML:2.0 0.000666 0.2 AML other m 2023-10-29T03:33:50.33
IV.GRI.EHN. ML:1.4 0.00012040000000000001 0.14 AML other m 2023-10-29T03:33:53.18
IV.GRI.EHE. ML:1.4 0.0001117 0.42 AML other m 2023-10-29T03:33:53.11
IY.CHCE.HHE.00 ML:1.8 0.0003585 0.22 AML other m 2023-10-29T03:33:54.14
IV.GIZZ.HHN. ML:1.6 0.00013900000000000002 0.64 AML other m 2023-10-29T03:33:54.36
IY.CHCE.HHN.00 ML:1.7 0.0002595 0.38 AML other m 2023-10-29T03:33:54.44
IV.GIZZ.HHE. ML:1.2 0.00005875 0.82 AML other m 2023-10-29T03:33:55.56
IV.PLAC.HHN. ML:1.2 0.0000484 0.44 AML other m 2023-10-29T03:33:56.06
IV.PLAC.HHE. ML:1.2 0.00006105 1.02 AML other m 2023-10-29T03:33:57.75
IV.SOI.EHN. ML:1.2 0.00002655 0.9 AML other m 2023-10-29T03:34:03.00
IV.SOI.EHE. ML:1.2 0.0000323 0.82 AML other m 2023-10-29T03:34:05.93
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