Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 01-10-2023 and time 17:39:52 (UTC) in region 6 km NW Roccaforte del Greco (RC)

A magnitude ML 1.7 earthquake occured in region: 6 km NW Roccaforte del Greco (RC), on

  • 01-10-2023 17:39:52 (UTC)
  • 01-10-2023 19:39:52 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.0980, 15.8660 at 10 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
Roccaforte del Greco RC 6 476 476
Bagaladi RC 9 1039 1515
Cardeto RC 9 1641 3156
San Lorenzo RC 10 2640 5796
Condofuri RC 10 5113 10909
Santo Stefano in Aspromonte RC 10 1263 12172
Sant'Alessio in Aspromonte RC 13 343 12515
Bova RC 13 448 12963
Laganadi RC 14 413 13376
Calanna RC 16 934 14310
Montebello Ionico RC 16 6214 20524
Delianuova RC 17 3352 23876
Samo RC 17 809 24685
San Roberto RC 17 1750 26435
Scido RC 17 931 27366
Motta San Giovanni RC 18 6208 33574
Staiti RC 18 248 33822
Sant'Eufemia d'Aspromonte RC 18 4120 37942
San Luca RC 19 3881 41823
Sinopoli RC 19 2089 43912
Bova Marina RC 19 4235 48147
Sant'Agata del Bianco RC 19 592 48739
Caraffa del Bianco RC 19 539 49278
Reggio di Calabria RC 20 183035 232313
Casignana RC 20 759 233072
Santa Cristina d'Aspromonte RC 20 929 234001
Fiumara RC 20 1018 235019

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km E of Reggio di Calabria (183035 inhabitants)
29 Km E of Messina (238439 inhabitants)
82 Km NE of Acireale (52622 inhabitants)
95 Km NE of Catania (314555 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 1.7 2023-10-01
17:39:52		 38.0977 15.8662 10 2023-10-01
17:46:47		 Sala Sismica INGV-Roma 121651861
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-10-01 17:39:52 ± 0.08
Latitude 38.0977 ± 0.0027
Longitude 15.8662 ± 0.0034
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 121651861

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 348
Semi-minor axis of confidence ellipse (meter) 64
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 64
Circular confidence region, given by single value of horizontal uncertainty (meter) 350.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 69
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.47664
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 14
Magnitude information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 121651861
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-10-01 17:46:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MCRV.HHZ. 2023-10-01T17:40:41.92 3.0 undecidable manual Pg 6.55 0
IV.CELI.HHZ. 2023-10-01T17:40:36.19 3.0 undecidable manual S -0.17 0
IV.CET2.HHZ. 2023-10-01T17:40:17.31 3.0 undecidable manual P -0.2 0
IV.SPS2.HHZ. 2023-10-01T17:40:15.42 3.0 negative manual P 0.37 0
IV.CAR1.HHZ. 2023-10-01T17:40:13.83 3.0 undecidable manual P -0.35 0
IV.HLNI.HHZ. 2023-10-01T17:40:13.44 3.0 negative manual P 0.68 0
IV.PLAC.HHZ. 2023-10-01T17:40:04.33 3.0 negative manual P 0.02 0
IV.NOV.HHZ. 2023-10-01T17:40:04.09 3.0 negative manual P 0.02 0
IV.MILZ.HHZ. 2023-10-01T17:40:03.17 3.0 negative manual P 0.06 0
IY.SPDC.HHE. 2023-10-01T17:40:02.22 1.0 undecidable manual P 26 52.9026 50 -0.09 23
IV.FERC.HHZ.00 2023-10-01T17:40:01.19 0.1 undecidable manual P 30 45.5211 50 0.02 95
IV.MPAZ.HHE. 2023-10-01T17:40:00.21 0.3 undecidable manual S 143 20.1687 116 -0.12 73
IT.MLPS.HNE. 2023-10-01T17:40:00.69 0.6 undecidable manual S 202 20.868 115 0.14 48
IV.SOI.EHZ. 2023-10-01T17:39:58.91 0.1 undecidable manual S 99 16.6722 120 -0.33 94
IT.DLNV.HNE. 2023-10-01T17:39:58.95 0.1 undecidable manual S 17 16.1727 121 -0.14 98
IV.MRCB.HHZ. 2023-10-01T17:39:58.57 0.1 undecidable manual S 297 15.873 121 -0.45 91
IT.MLPS.HNE. 2023-10-01T17:39:57.13 0.1 undecidable manual P 202 20.868 115 -0.05 99
IV.MPAZ.HHE. 2023-10-01T17:39:57.12 0.1 undecidable manual P 143 20.1687 116 0.07 98
IV.SICLA.EHZ. 2023-10-01T17:39:57.21 0.1 positive manual P 323 21.9669 114 -0.16 96
IT.LAZR.HNE. 2023-10-01T17:39:57.17 0.1 undecidable manual P 233 21.9669 114 -0.2 95
IY.CNDF.HHE.00 2023-10-01T17:39:57.67 0.6 undecidable manual S 184 10.4784 133 0.15 49
IV.GMB1.HHZ. 2023-10-01T17:39:57.38 0.1 undecidable manual S 333 9.2796 136 0.17 98
IV.SOI.EHZ. 2023-10-01T17:39:56.48 0.1 undecidable manual P 99 16.6722 120 0.06 99
IT.DLNV.HNE. 2023-10-01T17:39:56.57 0.1 undecidable manual P 17 16.1727 121 0.24 96
IV.MRCB.HHZ. 2023-10-01T17:39:56.27 0.1 undecidable manual P 297 15.873 121 -0.02 100
IT.ARMO.HNE. 2023-10-01T17:39:56.00 0.1 undecidable manual P 260 13.5753 125 0.09 99
IV.MTTG.HHZ. 2023-10-01T17:39:56.56 0.1 undecidable manual P 234 17.871 118 -0.08 99
IY.CNDF.HHE.00 2023-10-01T17:39:55.64 0.1 undecidable manual P 184 10.4784 133 0.22 97
IV.GMB1.HHZ. 2023-10-01T17:39:55.59 0.1 undecidable manual P 333 9.2796 136 0.34 95
IT.SAAM.HNE. 2023-10-01T17:39:55.89 0.1 undecidable manual P 312 12.5763 128 0.15 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SOI.EHE. ML:1.8 0.0005515 0.42 AML other m 2023-10-01T17:39:59.47
IV.MTTG.HHE. ML:1.8 0.0005949999999999999 0.32 AML other m 2023-10-01T17:39:59.48
IV.MTTG.HHN. ML:2.0 0.000852 0.6 AML other m 2023-10-01T17:39:59.58
IV.SOI.EHN. ML:1.8 0.0005700000000000001 0.22 AML other m 2023-10-01T17:39:59.77
IV.PLAC.HHN. ML:1.6 0.00008165 0.28 AML other m 2023-10-01T17:40:14.19
IV.NOV.HHN. ML:1.6 0.00007935 0.56 AML other m 2023-10-01T17:40:14.76
IV.NOV.HHE. ML:1.6 0.00007189999999999999 0.36 AML other m 2023-10-01T17:40:15.01
IV.PLAC.HHE. ML:1.6 0.00007635 0.62 AML other m 2023-10-01T17:40:18.87
IV.SPS2.HHE. ML:1.7 0.00002815 1.5 AML other m 2023-10-01T17:40:30.13
IV.SPS2.HHN. ML:1.5 0.000020450000000000002 0.2 AML other m 2023-10-01T17:40:35.15
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