Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 24-01-2023 and time 12:13:15 (UTC) in region Costa Calabra sud occidentale (Catanzaro, Vibo Valentia, Reggio di Calabria)

A magnitude ML 1.4 earthquake occured in region: Costa Calabra sud occidentale (Catanzaro, Vibo Valentia, Reggio di Calabria), on

  • 24-01-2023 12:13:15 (UTC)
  • 24-01-2023 13:13:15 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.8690, 15.9240 at 26 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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
Briatico VV 19 4053 4053
Zambrone VV 20 1775 5828

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km W of Lamezia Terme (70714 inhabitants)
55 Km SW of Cosenza (67546 inhabitants)
58 Km W of Catanzaro (90612 inhabitants)
82 Km NE of Messina (238439 inhabitants)
88 Km N of Reggio di Calabria (183035 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
Bulletin
Rev1000 		ML 1.4 2023-01-24
12:13:15		 38.8688 15.924 26 2024-03-01
17:17:54		 Bollettino Sismico Italiano INGV 113985961
Reviewed
Rev100 		ML 1.3 2023-01-24
12:13:15		 38.8682 15.9245 8 2023-01-24
12:24:17		 Sala Sismica INGV-Roma 113758761
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-01-24 12:13:15 ± 0.17
Latitude 38.8688 ± 0.0072
Longitude 15.9240 ± 0.0162
Depth (km) 26 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 113985961

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1443
Semi-minor axis of confidence ellipse (meter) 607
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 116
Circular confidence region, given by single value of horizontal uncertainty (meter) 1440.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 119
Number of associated phases, regardless of their use for origin computation 39
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.88583
Number of stations at which the event was observed 29
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 113985961
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-08-21 14:54:36

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 113758761
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-01-24 12:24:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CAVE.HHZ. 2023-01-24T12:15:13.48 3.0 negative manual Pg 16.360001 0
IV.MURB.HHZ. 2023-01-24T12:14:48.30 3.0 positive manual Pg 17.860001 0
IV.ATVO.HHZ. 2023-01-24T12:14:41.98 3.0 undecidable manual Pg 9.52 0
IV.LEVAN.EHZ. 2023-01-24T12:14:29.48 3.0 undecidable manual Sn -8.19 0
IV.ARVD.HHZ. 2023-01-24T12:14:29.94 3.0 negative manual Pn -1.16 0
IV.FDMO.HHZ. 2023-01-24T12:14:28.91 3.0 positive manual Pn 4.06 0
MN.PDG.HHZ. 2023-01-24T12:14:24.53 3.0 positive manual Pn 5.85 0
CR.STON.BHZ. 2023-01-24T12:14:18.32 3.0 undecidable manual Pn 1.22 0
IV.HPAC.HHZ. 2023-01-24T12:14:18.60 3.0 undecidable manual Sn -0.28 0
IV.LNSS.HHZ. 2023-01-24T12:14:15.23 3.0 undecidable manual Pn -4.77 0
IX.COL3.HHZ.02 2023-01-24T12:14:10.58 3.0 undecidable manual Sg 0.85 0
IV.LRP.EHZ. 2023-01-24T12:14:08.67 3.0 undecidable manual Pn 2.66 0
IV.LEVAN.EHZ. 2023-01-24T12:14:02.46 3.0 undecidable manual Pn 0.83 0
IV.CMPR.HHZ. 2023-01-24T12:13:57.28 3.0 undecidable manual Sn -4.19 0
IV.PLLN.EHZ. 2023-01-24T12:13:47.45 3.0 undecidable manual Pg 3.82 0
IV.SOLUN.HHZ. 2023-01-24T12:13:43.16 3.0 positive manual Pn -5.86 0
IV.MPNC.HHZ. 2023-01-24T12:13:42.88 0.6 undecidable manual S 212 94.239 100 -0.52 42
IV.MRCB.HHN. 2023-01-24T12:13:39.45 0.6 undecidable manual S 194 80.7636 102 -0.41 45
IV.CELI.HHZ. 2023-01-24T12:13:38.64 0.6 undecidable manual S 40 77.6667 103 -0.43 46
IV.CET2.HHZ. 2023-01-24T12:13:37.53 0.3 undecidable manual S 2 73.2711 104 -0.38 70
IV.SICLA.EHZ. 2023-01-24T12:13:37.44 0.6 undecidable manual S 195 70.374 104 0.28 49
IV.SERS.HHZ. 2023-01-24T12:13:37.59 0.6 undecidable manual S 74 68.4759 105 0.9 40
IV.SELL.HHZ. 2023-01-24T12:13:35.01 0.3 undecidable manual S 78 62.0934 106 -0.01 76
IV.PLAC.HHZ. 2023-01-24T12:13:35.08 0.6 undecidable manual S 136 64.3911 106 -0.56 44
IV.IVPL.HHZ. 2023-01-24T12:13:33.08 0.6 undecidable manual P 237 98.3238 100 0.87 38
IV.CAR1.HHZ. 2023-01-24T12:13:32.21 0.3 undecidable manual S 30 49.3173 111 0.41 73
IV.MPNC.HHZ. 2023-01-24T12:13:31.82 0.3 undecidable manual P 212 94.239 100 0.24 70
IV.GRIS.EHZ. 2023-01-24T12:13:31.53 0.3 undecidable manual P 356 96.9252 100 -0.45 66
IV.SOI.EHZ. 2023-01-24T12:13:30.49 0.6 undecidable manual P 173 88.9443 101 -0.3 46
IV.MSRU.HHZ. 2023-01-24T12:13:29.28 0.3 undecidable manual P 208 76.1682 103 0.42 70
IV.MRCB.HHN. 2023-01-24T12:13:29.20 0.3 undecidable manual P 194 80.7636 102 -0.34 69
IV.SERS.HHZ. 2023-01-24T12:13:28.26 0.3 undecidable manual P 74 68.4759 105 0.55 69
IV.CELI.HHZ. 2023-01-24T12:13:28.79 0.1 undecidable manual P 40 77.6667 103 -0.3 94
IV.SICLA.EHZ. 2023-01-24T12:13:28.78 0.3 undecidable manual P 195 70.374 104 0.8 62
IV.CET2.HHZ. 2023-01-24T12:13:28.49 0.1 undecidable manual P 2 73.2711 104 0.07 100
TV.GMB1.HHZ. 2023-01-24T12:13:28.89 0.3 undecidable manual P 187 77.8665 103 -0.21 71
IV.PLAC.HHZ. 2023-01-24T12:13:26.56 0.3 undecidable manual P 136 64.3911 106 -0.54 67
IV.SELL.HHZ. 2023-01-24T12:13:26.50 0.1 undecidable manual P 78 62.0934 106 -0.25 97
IV.CAR1.HHZ. 2023-01-24T12:13:25.25 0.1 undecidable manual P 30 49.3173 111 0.36 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CAR1.HHE. ML:1.3 0.00005082660999999999 0.1216 AML other m 2023-01-24T12:13:33.56
IV.CAR1.HHN. ML:1.2 0.000041948995 0.16 AML other m 2023-01-24T12:13:34.34
IV.CAR1.HNE. ML:1.3 0.00004865712 0.192 AML other m 2023-01-24T12:13:34.36
IV.CAR1.HNN. ML:1.2 0.000036917555000000004 0.16 AML other m 2023-01-24T12:13:34.34
IV.SELL.HHE. ML:1.2 0.000031628015000000004 0.3584 AML other m 2023-01-24T12:13:35.32
IV.PLAC.HHE. ML:1.6 0.00007534197000000001 0.32 AML other m 2023-01-24T12:13:38.13
IV.CET2.HHE. ML:1.7 0.000079904245 0.0832 AML other m 2023-01-24T12:13:38.30
IV.CET2.HHN. ML:2.1 0.00017449999999999999 0.14 AML other m 2023-01-24T12:13:38.55
IV.PLAC.HHN. ML:1.5 0.0000564 1.44 AML other m 2023-01-24T12:13:39.05
IV.SELL.HHN. ML:0.9 0.000013288060500000001 0.4608 AML other m 2023-01-24T12:13:40.25
IV.SERS.HHE. ML:1.2 0.000027 0.76 AML other m 2023-01-24T12:13:41.23
IV.SERS.HHN. ML:1.2 0.0000262 0.5 AML other m 2023-01-24T12:13:41.79
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