Earthquake with magnitude of ML 1.7 on date 20-04-2023 and time 06:14:34 (UTC) in region 2 km E Laureana di Borrello (RC)

A magnitude ML 1.7 earthquake occured in region: 2 km E Laureana di Borrello (RC), on

  • 20-04-2023 06:14:34 (UTC)
  • 20-04-2023 08:14:34 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.4950, 16.1000 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.

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
Candidoni RC 2 416 5590
Serrata RC 2 845 6435
Galatro RC 4 1709 8144
Feroleto della Chiesa RC 4 1695 9839
San Pietro di Caridà RC 4 1195 11034
Maropati RC 6 1524 12558
Dinami VV 6 2168 14726
Anoia RC 7 2212 16938
Melicucco RC 8 5101 22039
Giffone RC 8 1907 23946
Cinquefrondi RC 9 6539 30485
Polistena RC 10 10496 40981
Rosarno RC 10 14841 55822
Acquaro VV 11 2484 58306
San Calogero VV 11 4315 62621
Dasà VV 12 1208 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
Rombiolo VV 14 4569 85021
Filandari VV 15 1853 86874
Gerocarne VV 15 2248 89122
Rizziconi RC 15 7829 96951
Ionadi VV 15 4238 101189
Cittanova RC 16 10410 111599
Nicotera VV 16 6290 117889
San Costantino Calabro VV 16 2239 120128
Sorianello VV 16 1176 121304
San Ferdinando RC 16 4490 125794
Soriano Calabro VV 16 2421 128215
San Gregorio d'Ippona VV 17 2527 130742
Taurianova RC 17 15636 146378
Fabrizia VV 18 2195 148573
Gioia Tauro RC 19 19864 168437
Mammola RC 19 2847 171284
Mongiana VV 19 740 172024
Pizzoni VV 19 1143 173167
Cessaniti VV 20 3290 176457

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)
58 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 1.7 2023-04-20
06:14:34
38.4948 16.1002 19 2024-03-01
17:18:07
Bollettino Sismico Italiano INGV 117248901
Reviewed
Rev100
ML 1.7 2023-04-20
06:14:34
38.4877 16.1098 17 2023-04-20
06:46:22
Sala Sismica INGV-Roma 116540161
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-20 06:14:34 ± 0.09
Latitude 38.4948 ± 0.0045
Longitude 16.1002 ± 0.0069
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 117248901

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 733
Semi-minor axis of confidence ellipse (meter) 215
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 308
Circular confidence region, given by single value of horizontal uncertainty (meter) 730.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 175
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) 0.13
Epicentral distance of station closest to the epicenter (degree) 0.04047
Epicentral distance of station farthest from the epicenter (degree) 0.70867
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.4
Num. used stations 10
Type of magnitude ML
Reference to an origin 117248901
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-01-26 13:50:27

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 116540161
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-20 06:46:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MRCB.HHZ. 2023-04-20T06:14:50.52 0.6 undecidable manual S 223 50.616 101 -0.02 46
IV.SOI.EHZ. 2023-04-20T06:14:50.04 0.6 undecidable manual S 185 46.9197 102 0.45 43
IV.SERS.HHZ. 2023-04-20T06:14:47.95 0.3 undecidable manual P 40 78.6657 97 -0.05 66
IY.CHCE.HHE.00 2023-04-20T06:14:46.30 0.6 undecidable manual S 52 34.3434 108 -0.05 47
IV.PLAC.HHZ. 2023-04-20T06:14:45.12 0.6 undecidable manual S 100 29.748 112 -0.09 47
IY.OPPI.HHZ. 2023-04-20T06:14:44.12 0.6 undecidable manual S 197 26.4513 115 -0.26 46
IV.MRCB.HHZ. 2023-04-20T06:14:43.49 0.3 undecidable manual P 223 50.616 101 -0.22 67
IV.SOI.EHZ. 2023-04-20T06:14:43.24 0.3 undecidable manual P 185 46.9197 102 0.07 69
IY.CHCE.HHE.00 2023-04-20T06:14:41.37 0.3 undecidable manual P 52 34.3434 108 0.07 70
IY.SPDC.HHZ. 2023-04-20T06:14:40.54 0.6 undecidable manual S 38 4.4955 164 0.14 49
IV.FERC.HHZ.00 2023-04-20T06:14:40.45 0.6 undecidable manual S 153 5.2947 162 -0.01 50
IV.PLAC.HHZ. 2023-04-20T06:14:40.61 0.1 undecidable manual P 100 29.748 112 -0.03 96
IY.OPPI.HHZ. 2023-04-20T06:14:40.04 0.3 undecidable manual P 197 26.4513 115 -0.12 71
IY.SPDC.HHZ. 2023-04-20T06:14:37.98 0.1 undecidable manual P 38 4.4955 164 0.12 98
IV.FERC.HHZ.00 2023-04-20T06:14:37.91 0.1 undecidable manual P 153 5.2947 162 0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FERC.HHN.00 ML:2.6 0.0032800000000000004 0.44 AML other m 2023-04-20T06:14:40.45
IV.FERC.HHE.00 ML:2.8 0.00583 0.46 AML other m 2023-04-20T06:14:40.59
IY.SPDC.HHE. ML:2.0 0.0008645 0.28 AML other m 2023-04-20T06:14:40.82
IY.SPDC.HHN. ML:1.8 0.000597 0.38 AML other m 2023-04-20T06:14:41.66
IV.PLAC.HHE. ML:1.7 0.00020400000000000003 0.24 AML other m 2023-04-20T06:14:45.39
IV.PLAC.HHN. ML:1.4 0.0001097 1 AML other m 2023-04-20T06:14:45.38
IV.MRCB.HHE. ML:1.5 0.00007919999999999999 0.46 AML other m 2023-04-20T06:14:51.45
IV.MRCB.HHN. ML:1.4 0.00006705 0.68 AML other m 2023-04-20T06:14:52.39
IV.SOI.EHN. ML:1.8 0.00016635 0.42 AML other m 2023-04-20T06:15:02.43
IV.SOI.EHE. ML:1.4 0.00007214999999999999 1.58 AML other m 2023-04-20T06:15:03.96
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