Earthquake with magnitude of ML 1.8 on date 04-05-2023 and time 23:47:54 (Italy) in region 1 km S Serrata (RC)

A magnitude ML 1.8 earthquake occured in region: 1 km S Serrata (RC), on

  • 04-05-2023 21:47:54 (UTC)
  • 04-05-2023 23:47:54 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.5030, 16.1050 at 20 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
Serrata RC 1 845 845
Candidoni RC 2 416 1261
Laureana di Borrello RC 2 5174 6435
San Pietro di Caridà RC 3 1195 7630
Galatro RC 5 1709 9339
Dinami VV 5 2168 11507
Feroleto della Chiesa RC 5 1695 13202
Maropati RC 7 1524 14726
Anoia RC 8 2212 16938
Giffone RC 8 1907 18845
Melicucco RC 9 5101 23946
Cinquefrondi RC 10 6539 30485
Acquaro VV 10 2484 32969
Rosarno RC 11 14841 47810
Dasà VV 11 1208 49018
Polistena RC 11 10496 59514
San Calogero VV 11 4315 63829
Arena VV 12 1456 65285
Mileto VV 12 6763 72048
San Giorgio Morgeto RC 13 3058 75106
Francica VV 13 1651 76757
Limbadi VV 14 3695 80452
Rombiolo VV 14 4569 85021
Gerocarne VV 14 2248 87269
Filandari VV 14 1853 89122
Ionadi VV 15 4238 93360
San Costantino Calabro VV 15 2239 95599
Sorianello VV 15 1176 96775
Soriano Calabro VV 15 2421 99196
Nicotera VV 16 6290 105486
San Gregorio d'Ippona VV 16 2527 108013
Rizziconi RC 16 7829 115842
Cittanova RC 16 10410 126252
San Ferdinando RC 17 4490 130742
Fabrizia VV 17 2195 132937
Taurianova RC 18 15636 148573
Pizzoni VV 19 1143 149716
Mongiana VV 19 740 150456
Vazzano VV 19 1067 151523
Cessaniti VV 19 3290 154813
Vibo Valentia VV 19 33941 188754
Stefanaconi VV 20 2494 191248
Mammola RC 20 2847 194095
Gioia Tauro RC 20 19864 213959

Municipalities with at least 50000 inhabitants

An earthquake occurred to
56 Km SW of Lamezia Terme (70714 inhabitants)
59 Km NE of Messina (238439 inhabitants)
59 Km NE of Reggio di Calabria (183035 inhabitants)
62 Km SW of Catanzaro (90612 inhabitants)
89 Km S of Cosenza (67546 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 1.8 2023-05-04
21:47:54
38.5027 16.1048 21 2023-05-04
21:55:24
Sala Sismica INGV-Roma 117030351
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-04 21:47:54 ± 0.2
Latitude 38.5027 ± 0.0153
Longitude 16.1048 ± 0.0149
Depth (km) 21 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 117030351

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2012
Semi-minor axis of confidence ellipse (meter) 295
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 325
Circular confidence region, given by single value of horizontal uncertainty (meter) 2010.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 159
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.03238
Epicentral distance of station farthest from the epicenter (degree) 0.52430
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.5
Num. used stations 6
Type of magnitude ML
Reference to an origin 117030351
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-04 21:55:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MSRU.HHZ. 2023-05-04T21:48:13.36 0.6 undecidable manual S 243 58.1973 102 0.74 37
IV.MRCB.HHZ. 2023-05-04T21:48:10.80 0.6 undecidable manual S 223 51.5151 104 -0.06 46
IV.SOI.EHE. 2023-05-04T21:48:09.92 0.6 undecidable manual S 185 47.8188 105 0 46
TV.GMB1.HNE. 2023-05-04T21:48:08.71 0.3 undecidable manual S 214 44.3223 106 -0.31 66
IY.CHCE.HHN. 2023-05-04T21:48:06.47 0.6 undecidable manual S 53 33.5442 113 0.17 46
IV.PLAC.HHZ. 2023-05-04T21:48:05.26 0.6 undecidable manual S 101 29.5482 116 -0.07 47
IV.MSRU.HHZ. 2023-05-04T21:48:03.92 0.6 positive manual P 243 58.1973 102 -0.98 34
IV.MRCB.HHZ. 2023-05-04T21:48:03.86 1.0 positive manual P 223 51.5151 104 -0.03 23
IV.SOI.EHE. 2023-05-04T21:48:03.86 0.1 undecidable manual P 185 47.8188 105 0.52 84
TV.GMB1.HNE. 2023-05-04T21:48:02.76 0.1 undecidable manual P 214 44.3223 106 -0.06 93
IY.CHCE.HHN. 2023-05-04T21:48:01.10 0.1 undecidable manual P 53 33.5442 113 -0.15 94
IY.SPDC.HHZ. 2023-05-04T21:48:00.73 0.6 undecidable manual S 42 3.5964 169 -0.09 50
IV.PLAC.HHZ. 2023-05-04T21:48:00.81 0.1 positive manual P 101 29.5482 116 0.12 94
IV.FERC.HHZ.00 2023-05-04T21:48:00.64 0.6 undecidable manual S 160 5.8941 162 -0.33 47
IV.FERC.HHZ.00 2023-05-04T21:47:58.17 0.1 negative manual P 160 5.8941 162 0 100
IY.SPDC.HHZ. 2023-05-04T21:47:58.22 0.1 negative manual P 42 3.5964 169 0.13 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FERC.HHE.00 ML:2.7 0.00421 0.8 AML other m 2023-05-04T21:48:00.83
IY.SPDC.HHN. ML:1.7 0.00040249999999999997 1.76 AML other m 2023-05-04T21:48:01.05
IY.SPDC.HHE. ML:1.7 0.00036449999999999997 0.88 AML other m 2023-05-04T21:48:01.09
IV.FERC.HHN.00 ML:2.6 0.00299 0.5 AML other m 2023-05-04T21:48:01.92
IV.PLAC.HHE. ML:1.6 0.000156 0.4 AML other m 2023-05-04T21:48:05.46
IV.PLAC.HHN. ML:1.2 0.00005835 0.34 AML other m 2023-05-04T21:48:05.55
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