Earthquake with magnitude of ML 1.5 on date 03-05-2023 and time 18:34:59 (Italy) in region 2 km N Grotteria (RC)

A magnitude ML 1.5 earthquake occured in region: 2 km N Grotteria (RC), on

  • 03-05-2023 16:34:59 (UTC)
  • 03-05-2023 18:34:59 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.3880, 16.2650 at 18 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
Grotteria RC 2 3154 3154
San Giovanni di Gerace RC 3 481 3635
Mammola RC 4 2847 6482
Martone RC 4 530 7012
Gioiosa Ionica RC 7 7181 14193
Canolo RC 10 746 14939
Agnana Calabra RC 10 562 15501
Marina di Gioiosa Ionica RC 11 6625 22126
Fabrizia VV 11 2195 24321
Giffone RC 12 1907 26228
Nardodipace VV 12 1305 27533
Caulonia RC 13 7110 34643
Gerace RC 14 2652 37295
Siderno RC 14 18191 55486
San Giorgio Morgeto RC 14 3058 58544
Roccella Ionica RC 14 6557 65101
Mongiana VV 15 740 65841
Cinquefrondi RC 15 6539 72380
Galatro RC 16 1709 74089
Maropati RC 16 1524 75613
Antonimina RC 16 1317 76930
Cittanova RC 16 10410 87340
Polistena RC 17 10496 97836
Anoia RC 17 2212 100048
Placanica RC 17 1200 101248
Locri RC 17 12504 113752
Stignano RC 18 1335 115087
Portigliola RC 19 1201 116288
Melicucco RC 19 5101 121389
Dinami VV 19 2168 123557
San Pietro di Caridà RC 19 1195 124752
Ciminà RC 19 568 125320
Feroleto della Chiesa RC 19 1695 127015
Pazzano RC 19 568 127583
Riace RC 19 2238 129821
Laureana di Borrello RC 20 5174 134995
Sant'Ilario dello Ionio RC 20 1377 136372
Bivongi RC 20 1398 137770
Camini RC 20 801 138571
Serrata RC 20 845 139416
Acquaro VV 20 2484 141900
Arena VV 20 1456 143356

Municipalities with at least 50000 inhabitants

An earthquake occurred to
62 Km NE of Reggio di Calabria (183035 inhabitants)
64 Km SW of Catanzaro (90612 inhabitants)
66 Km S of Lamezia Terme (70714 inhabitants)
66 Km E of Messina (238439 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 1.5 2023-05-03
16:34:59
38.3885 16.2647 18 2023-05-03
16:48:38
Sala Sismica INGV-Roma 116991431
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-03 16:34:59 ± 0.15
Latitude 38.3885 ± 0.0090
Longitude 16.2647 ± 0.0092
Depth (km) 18 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 116991431

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1162
Semi-minor axis of confidence ellipse (meter) 423
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 320
Circular confidence region, given by single value of horizontal uncertainty (meter) 1160.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 142
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.12501
Epicentral distance of station farthest from the epicenter (degree) 0.49553
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 116991431
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-03 16:48:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MRCB.HHZ. 2023-05-03T16:35:17.26 0.3 undecidable manual S 243 55.0005 100 0.22 67
IV.SOI.EHZ. 2023-05-03T16:35:13.09 0.1 undecidable manual S 208 39.5271 105 0.09 95
IY.OPPI.HHZ. 2023-05-03T16:35:09.28 0.1 undecidable manual S 239 25.9518 115 -0.3 91
IV.MRCB.HHZ. 2023-05-03T16:35:09.61 0.1 undecidable manual P 243 55.0005 100 -0.13 90
IY.SPDC.HHZ. 2023-05-03T16:35:08.21 0.1 undecidable manual S 323 19.1697 125 0.2 94
IV.SOI.EHZ. 2023-05-03T16:35:07.54 0.1 undecidable manual P 208 39.5271 105 0.14 94
IV.PLAC.HHZ. 2023-05-03T16:35:07.40 0.1 undecidable manual S 66 16.5723 130 -0.06 100
IV.FERC.HHZ.00 2023-05-03T16:35:06.89 0.1 undecidable manual S 301 13.875 136 -0.04 100
IY.OPPI.HHZ. 2023-05-03T16:35:05.40 0.3 undecidable manual P 239 25.9518 115 -0.03 73
IY.SPDC.HHZ. 2023-05-03T16:35:04.39 0.1 undecidable manual P 323 19.1697 125 -0.13 98
IV.PLAC.HHZ. 2023-05-03T16:35:04.20 0.1 positive manual P 66 16.5723 130 0 99
IV.FERC.HHZ.00 2023-05-03T16:35:03.89 0.1 undecidable manual P 301 13.875 136 -0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PLAC.HHN. ML:1.6 0.00026081890000000004 0.3072 AML other m 2023-05-03T16:35:07.72
IV.PLAC.HNN. ML:1.6 0.0002432037 0.3072 AML other m 2023-05-03T16:35:07.72
IV.PLAC.HNE. ML:1.4 0.00018218675499999997 0.256 AML other m 2023-05-03T16:35:07.62
IV.PLAC.HHE. ML:1.4 0.00017756664 0.2432 AML other m 2023-05-03T16:35:07.61
IV.SOI.EHE. ML:1.3 0.000060540824999999996 1.1776 AML other m 2023-05-03T16:35:23.32
IV.SOI.EHN. ML:1.2 0.00005717819000000001 1.1392 AML other m 2023-05-03T16:35:27.76
IV.MRCB.HHE. ML:1.7 0.000099671075 0.9728 AML other m 2023-05-03T16:35:25.16
IV.MRCB.HHN. ML:1.6 0.00008391687000000001 0.9472 AML other m 2023-05-03T16:35:27.16
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