Earthquake with magnitude of ML 1.3 on date 28-05-2023 and time 05:52:45 (Italy) in region Costa Calabra sud occidentale (Catanzaro, Vibo Valentia, Reggio di Calabria)

A magnitude ML 1.3 earthquake occured in region: Costa Calabra sud occidentale (Catanzaro, Vibo Valentia, Reggio di Calabria), on

  • 28-05-2023 03:52:45 (UTC)
  • 28-05-2023 05:52:45 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.8720, 16.0940 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Gizzeria CZ 16 4982 4982
Falerna CZ 16 4028 9010
Pizzo VV 16 9278 18288
Briatico VV 17 4053 22341
Francavilla Angitola VV 19 1939 24280
Nocera Terinese CZ 20 4731 29011
Filadelfia VV 20 5384 34395
Sant'Onofrio VV 20 3067 37462

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km SW of Lamezia Terme (70714 inhabitants)
44 Km W of Catanzaro (90612 inhabitants)
49 Km S of Cosenza (67546 inhabitants)
89 Km NE of Messina (238439 inhabitants)
92 Km W of Crotone (62178 inhabitants)
93 Km NE 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
Reviewed
Rev100
ML 1.3 2023-05-28
03:52:45
38.8718 16.0938 10 2023-05-28
03:57:47
Sala Sismica INGV-Roma 117799631
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-28 03:52:45 ± 0.16
Latitude 38.8718 ± 0.0063
Longitude 16.0938 ± 0.0116
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 117799631

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 924
Semi-minor axis of confidence ellipse (meter) 571
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 295
Circular confidence region, given by single value of horizontal uncertainty (meter) 920.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 134
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.13939
Epicentral distance of station farthest from the epicenter (degree) 0.76083
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 117799631
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-28 03:57:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PLAC.HHZ. 2023-05-28T03:53:02.59 0.6 undecidable manual S 147 55.5999 50 -0.07 64
IV.SELL.HHZ. 2023-05-28T03:53:01.22 0.3 undecidable manual S 75 47.7189 50 0.65 84
IV.MSRU.HNN. 2023-05-28T03:53:00.11 0.3 undecidable manual P 217 84.4488 50 0.43 84
IV.CAR1.HHZ. 2023-05-28T03:52:59.06 0.3 undecidable manual S 13 43.5231 50 -0.39 92
IV.CET2.HHZ. 2023-05-28T03:52:58.25 1.0 positive manual P 351 73.8705 50 0.2 30
IY.SPDC.HHZ. 2023-05-28T03:52:57.77 0.6 undecidable manual S 175 38.4282 50 -0.33 62
IV.GRI.EHZ. 2023-05-28T03:52:55.35 0.3 undecidable manual S 101 28.749 50 -0.15 99
IV.PLAC.HHZ. 2023-05-28T03:52:55.32 0.6 negative manual P 147 55.5999 50 0.09 64
IV.SELL.HHZ. 2023-05-28T03:52:54.37 0.6 positive manual P 75 47.7189 50 0.35 61
IV.CAR1.HHZ. 2023-05-28T03:52:53.34 0.6 positive manual P 13 43.5231 50 -0.03 66
IY.SPDC.HHZ. 2023-05-28T03:52:52.49 0.3 undecidable manual P 175 38.4282 50 -0.1 98
IV.GIZZ.HHZ. 2023-05-28T03:52:51.16 0.3 undecidable manual S 39 15.4734 122 -0.26 99
IY.CHCE.HHN.00 2023-05-28T03:52:51.72 0.3 undecidable manual P 127 34.6431 50 -0.29 95
IV.GRI.EHZ. 2023-05-28T03:52:50.99 0.3 undecidable manual P 101 28.749 50 -0.1 100
IV.GIZZ.HHZ. 2023-05-28T03:52:49.00 0.3 undecidable manual P 39 15.4734 122 0.26 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GIZZ.HHN. ML:1.1 0.000113 0.1 AML other m 2023-05-28T03:52:51.72
IV.GIZZ.HHE. ML:0.9 0.00007960000000000001 0.12 AML other m 2023-05-28T03:52:53.75
IV.GRI.EHN. ML:1.3 0.00010585 0.22 AML other m 2023-05-28T03:52:55.72
IV.GRI.EHE. ML:1.3 0.00009765 1.24 AML other m 2023-05-28T03:52:55.63
IY.SPDC.HHN. ML:1.5 0.0001225 0.34 AML other m 2023-05-28T03:52:58.69
IY.SPDC.HHE. ML:1.5 0.0001085 0.32 AML other m 2023-05-28T03:52:59.61
IV.CAR1.HHN. ML:1.1 0.000039699999999999996 0.86 AML other m 2023-05-28T03:53:01.56
IV.CAR1.HHE. ML:1.3 0.0000576 0.14 AML other m 2023-05-28T03:53:03.34
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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