Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 28-04-2023 and time 21:53:47 (Italy) in region 1 km SE Serrata (RC)

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

  • 28-04-2023 19:53:47 (UTC)
  • 28-04-2023 21:53:47 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.5050, 16.1110 at 18 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

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
San Pietro di Caridà RC 3 1195 2456
Laureana di Borrello RC 3 5174 7630
Dinami VV 4 2168 9798
Galatro RC 5 1709 11507
Feroleto della Chiesa RC 6 1695 13202
Maropati RC 7 1524 14726
Anoia RC 8 2212 16938
Giffone RC 8 1907 18845
Melicucco RC 9 5101 23946
Acquaro VV 9 2484 26430
Cinquefrondi RC 10 6539 32969
Dasà VV 10 1208 34177
Arena VV 11 1456 35633
Polistena RC 11 10496 46129
San Calogero VV 11 4315 50444
Rosarno RC 11 14841 65285
Mileto VV 12 6763 72048
Francica VV 13 1651 73699
San Giorgio Morgeto RC 13 3058 76757
Gerocarne VV 13 2248 79005
Filandari VV 14 1853 80858
Rombiolo VV 14 4569 85427
Limbadi VV 14 3695 89122
Sorianello VV 15 1176 90298
Soriano Calabro VV 15 2421 92719
Ionadi VV 15 4238 96957
San Costantino Calabro VV 15 2239 99196
San Gregorio d'Ippona VV 16 2527 101723
Nicotera VV 16 6290 108013
Cittanova RC 17 10410 118423
Rizziconi RC 17 7829 126252
Fabrizia VV 17 2195 128447
San Ferdinando RC 17 4490 132937
Pizzoni VV 18 1143 134080
Mongiana VV 18 740 134820
Vazzano VV 19 1067 135887
Taurianova RC 19 15636 151523
Vibo Valentia VV 19 33941 185464
Cessaniti VV 19 3290 188754
Stefanaconi VV 19 2494 191248
Mammola RC 19 2847 194095

Municipalities with at least 50000 inhabitants

An earthquake occurred to
55 Km SW of Lamezia Terme (70714 inhabitants)
59 Km NE of Messina (238439 inhabitants)
60 Km NE of Reggio di Calabria (183035 inhabitants)
61 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
Bulletin
Rev1000 		ML 1.8 2023-04-28
19:53:47		 38.5052 16.1112 18 2024-03-01
17:18:11		 Bollettino Sismico Italiano INGV 118339851
Reviewed
Rev100 		ML 1.6 2023-04-28
19:53:47		 38.4962 16.1155 18 2023-04-28
20:15:56		 Sala Sismica INGV-Roma 116852431
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-28 19:53:47 ± 0.07
Latitude 38.5052 ± 0.0054
Longitude 16.1112 ± 0.0057
Depth (km) 18 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 118339851

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 695
Semi-minor axis of confidence ellipse (meter) 272
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 140
Circular confidence region, given by single value of horizontal uncertainty (meter) 700.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 123
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.02698
Epicentral distance of station farthest from the epicenter (degree) 0.75183
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 118339851
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-01-29 12:28:45

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 7
Type of magnitude ML
Reference to an origin 116852431
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-28 20:15:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GRI.EHN. 2023-04-28T19:54:02.01 0.6 undecidable manual S 37 44.2224 102 -0.21 47
IV.CAR1.HHN. 2023-04-28T19:54:02.52 0.6 undecidable manual P 6 83.4498 95 0.41 42
IV.SERS.HNN. 2023-04-28T19:54:01.10 0.1 undecidable manual P 40 77.1672 96 -0.05 92
IV.SELL.HHZ. 2023-04-28T19:53:59.82 0.1 undecidable manual P 40 69.375 97 -0.13 92
IY.CHCE.HHE. 2023-04-28T19:53:59.37 0.6 undecidable manual S 53 32.9448 108 0.06 50
IV.PLAC.HHZ. 2023-04-28T19:53:58.41 0.3 undecidable manual S 102 29.0487 111 0.07 76
IV.MSRU.HHZ. 2023-04-28T19:53:58.21 0.6 undecidable manual P 243 58.8966 98 -0.13 47
IY.OPPI.HHE. 2023-04-28T19:53:57.82 0.6 undecidable manual S 198 27.8499 112 -0.2 49
IV.GRI.EHN. 2023-04-28T19:53:56.08 0.3 undecidable manual P 37 44.2224 102 -0.04 74
IV.SICLA.EHN. 2023-04-28T19:53:55.93 0.6 undecidable manual P 231 44.2224 102 -0.19 48
IY.CHCE.HHE. 2023-04-28T19:53:54.49 0.1 undecidable manual P 53 32.9448 108 0.06 100
IY.OPPI.HHE. 2023-04-28T19:53:54.05 0.3 undecidable manual P 198 27.8499 112 0.35 71
IY.SPDC.HHZ. 2023-04-28T19:53:53.49 0.3 undecidable manual S 38 2.997 169 0.02 80
IV.FERC.HHZ.00 2023-04-28T19:53:53.72 0.3 undecidable manual S 166 5.994 158 0.02 79
IV.PLAC.HHZ. 2023-04-28T19:53:53.83 0.1 positive manual P 102 29.0487 111 -0.05 100
IY.SPDC.HHZ. 2023-04-28T19:53:51.12 0.6 undecidable manual P 38 2.997 169 0.05 53
IV.FERC.HHZ.00 2023-04-28T19:53:51.20 0.3 undecidable manual P 166 5.994 158 0 79
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IY.SPDC.HHE. ML:1.9 0.0008200000000000001 0.3 AML other m 2023-04-28T19:53:54.15
IY.SPDC.HHN. ML:1.9 0.0007355 0.24 AML other m 2023-04-28T19:53:54.00
IV.PLAC.HHE. ML:1.9 0.0003235 0.4 AML other m 2023-04-28T19:53:58.50
IV.PLAC.HHN. ML:1.5 0.000136 1.46 AML other m 2023-04-28T19:53:58.02
IV.GIZZ.HHN. ML:1.9 0.0001905 0.06 AML other m 2023-04-28T19:53:59.70
IV.GIZZ.HHE. ML:1.9 0.0001795 0.06 AML other m 2023-04-28T19:54:01.83
IV.MSRU.HHN. ML:1.6 0.0000735 1.26 AML other m 2023-04-28T19:54:08.97
IV.MSRU.HHE. ML:1.6 0.00007364999999999999 0.46 AML other m 2023-04-28T19:54:09.14
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