Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 16-04-2023 and time 06:05:12 (Italy) in region 2 km E Laureana di Borrello (RC)

A magnitude ML 1.8 earthquake occured in region: 2 km E Laureana di Borrello (RC), on

  • 16-04-2023 04:05:12 (UTC)
  • 16-04-2023 06:05:12 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.4950, 16.1050 at 19 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
Laureana di Borrello RC 2 5174 5174
Serrata RC 2 845 6019
Candidoni RC 2 416 6435
Galatro RC 4 1709 8144
San Pietro di Caridà RC 4 1195 9339
Feroleto della Chiesa RC 4 1695 11034
Dinami VV 6 2168 13202
Maropati RC 6 1524 14726
Anoia RC 7 2212 16938
Giffone RC 7 1907 18845
Melicucco RC 8 5101 23946
Cinquefrondi RC 9 6539 30485
Polistena RC 10 10496 40981
Acquaro VV 10 2484 43465
Rosarno RC 11 14841 58306
Dasà VV 11 1208 59514
San Calogero VV 12 4315 63829
San Giorgio Morgeto RC 12 3058 66887
Arena VV 12 1456 68343
Mileto VV 13 6763 75106
Francica VV 14 1651 76757
Limbadi VV 14 3695 80452
Gerocarne VV 15 2248 82700
Rombiolo VV 15 4569 87269
Filandari VV 15 1853 89122
Ionadi VV 16 4238 93360
Cittanova RC 16 10410 103770
Sorianello VV 16 1176 104946
Rizziconi RC 16 7829 112775
San Costantino Calabro VV 16 2239 115014
Soriano Calabro VV 16 2421 117435
Nicotera VV 16 6290 123725
San Ferdinando RC 17 4490 128215
San Gregorio d'Ippona VV 17 2527 130742
Fabrizia VV 17 2195 132937
Taurianova RC 18 15636 148573
Mongiana VV 19 740 149313
Mammola RC 19 2847 152160
Pizzoni VV 19 1143 153303
Gioia Tauro RC 19 19864 173167
Grotteria RC 20 3154 176321
Vazzano VV 20 1067 177388
Cessaniti VV 20 3290 180678

Municipalities with at least 50000 inhabitants

An earthquake occurred to
57 Km SW of Lamezia Terme (70714 inhabitants)
58 Km NE of Messina (238439 inhabitants)
59 Km NE of Reggio di Calabria (183035 inhabitants)
63 Km SW of Catanzaro (90612 inhabitants)
90 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 2023-04-16
04:05:12		 38.4947 16.1053 19 2024-03-01
17:18:16		 Bollettino Sismico Italiano INGV 121071141
Reviewed
Rev100 		ML 1.8 2023-04-16
04:05:12		 38.4918 16.1067 19 2023-04-16
04:14:13		 Sala Sismica INGV-Roma 116424731
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-16 04:05:12 ± 0.08
Latitude 38.4947 ± 0.0036
Longitude 16.1053 ± 0.0057
Depth (km) 19 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 121071141

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 526
Semi-minor axis of confidence ellipse (meter) 169
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 309
Circular confidence region, given by single value of horizontal uncertainty (meter) 530.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 137
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.03777
Epicentral distance of station farthest from the epicenter (degree) 0.54679
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
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 121071141
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-01-24 11:46:56

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 116424731
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-16 04:14:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MPAZ.HHZ. 2023-04-16T04:05:31.17 0.3 undecidable manual S 188 60.6948 99 0.31 64
IV.MRCB.HHZ. 2023-04-16T04:05:28.18 0.3 undecidable manual S 224 50.9157 102 -0.1 68
IV.SOI.EHN. 2023-04-16T04:05:26.91 0.6 undecidable manual S 185 46.9197 103 -0.35 44
IV.GRI.EHZ. 2023-04-16T04:05:26.67 0.3 undecidable manual S 37 45.4212 103 -0.19 68
IV.MPAZ.HHZ. 2023-04-16T04:05:23.36 0.3 undecidable manual P 188 60.6948 99 0.45 62
IY.CHCE.HHZ.00 2023-04-16T04:05:23.97 0.6 undecidable manual S 52 34.0437 109 0.03 47
IV.PLAC.HHZ. 2023-04-16T04:05:22.72 0.1 undecidable manual S 100 29.3484 113 -0.05 96
IV.GIZZ.HHZ. 2023-04-16T04:05:22.30 0.6 undecidable manual P 9 54.501 101 0.32 43
IV.MRCB.HHZ. 2023-04-16T04:05:21.19 0.1 undecidable manual P 224 50.9157 102 -0.23 89
IY.OPPI.HHE. 2023-04-16T04:05:21.86 0.6 undecidable manual S 198 26.5512 116 -0.23 46
TV.GMB1.HNZ. 2023-04-16T04:05:20.30 0.3 undecidable manual P 215 43.623 104 -0.03 70
IV.GRI.EHZ. 2023-04-16T04:05:20.40 0.3 undecidable manual P 37 45.4212 103 -0.2 68
IV.SICLA.EHE. 2023-04-16T04:05:20.17 0.3 undecidable manual P 232 43.0236 104 -0.08 69
IV.SOI.EHN. 2023-04-16T04:05:20.91 0.3 undecidable manual P 185 46.9197 103 0.08 69
IY.SPDC.HHZ. 2023-04-16T04:05:18.21 0.6 undecidable manual S 33 4.1958 165 0.11 50
IV.FERC.HHZ.00 2023-04-16T04:05:18.09 0.6 undecidable manual S 157 5.0949 163 -0.07 50
IV.PLAC.HHZ. 2023-04-16T04:05:18.27 0.1 positive manual P 100 29.3484 113 0.03 95
IY.CHCE.HHZ.00 2023-04-16T04:05:18.89 0.1 undecidable manual P 52 34.0437 109 -0.02 96
IY.OPPI.HHE. 2023-04-16T04:05:18.01 1.0 undecidable manual P 198 26.5512 116 0.17 24
IY.SPDC.HHZ. 2023-04-16T04:05:15.69 0.1 negative manual P 33 4.1958 165 0.15 98
IV.FERC.HHZ.00 2023-04-16T04:05:15.62 0.1 undecidable manual P 157 5.0949 163 0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IY.SPDC.HHE. ML:2.0 0.0009500000000000001 0.32 AML other m 2023-04-16T04:05:18.56
IY.SPDC.HHN. ML:2.0 0.0008095 0.24 AML other m 2023-04-16T04:05:18.41
IV.PLAC.HNN. ML:1.6 0.000157 0.52 AML other m 2023-04-16T04:05:22.69
IV.PLAC.HHE. ML:1.9 0.000325 1.62 AML other m 2023-04-16T04:05:23.93
IV.PLAC.HNE. ML:1.9 0.000337 1.62 AML other m 2023-04-16T04:05:23.94
IV.PLAC.HHN. ML:1.6 0.00015150000000000002 0.32 AML other m 2023-04-16T04:05:23.02
IY.CHCE.HHN.00 ML:1.5 0.0001295 1.26 AML other m 2023-04-16T04:05:24.33
IY.CHCE.HHE.00 ML:1.8 0.000262 0.24 AML other m 2023-04-16T04:05:25.54
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