Earthquake with magnitude of ML 1.8 on date 24-05-2023 and time 23:40:27 (UTC) in region Costa Calabra sud occidentale (Catanzaro, Vibo Valentia, Reggio di Calabria)

A magnitude ML 1.8 earthquake occured in region: Costa Calabra sud occidentale (Catanzaro, Vibo Valentia, Reggio di Calabria), on

  • 24-05-2023 23:40:27 (UTC)
  • 25-05-2023 01:40:27 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.6520, 15.7510 at 75 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
Ricadi VV 11 4900 4900
Tropea VV 13 6441 11341
Spilinga VV 14 1464 12805
Drapia VV 14 2085 14890
Joppolo VV 15 1926 16816
Parghelia VV 16 1300 18116
Zaccanopoli VV 16 752 18868
Nicotera VV 20 6290 25158

Municipalities with at least 50000 inhabitants

An earthquake occurred to
54 Km NE of Messina (238439 inhabitants)
61 Km N of Reggio di Calabria (183035 inhabitants)
61 Km SW of Lamezia Terme (70714 inhabitants)
79 Km W of Catanzaro (90612 inhabitants)
84 Km SW 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 2023-05-24
23:40:27
38.6522 15.7507 75 2023-05-24
23:53:26
Sala Sismica INGV-Roma 117696341
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-24 23:40:27 ± 0.08
Latitude 38.6522 ± 0.0054
Longitude 15.7507 ± 0.0058
Depth (km) 75 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 117696341

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 473
Semi-minor axis of confidence ellipse (meter) 465
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 285
Circular confidence region, given by single value of horizontal uncertainty (meter) 470.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 59
Number of associated phases, regardless of their use for origin computation 48
Number of defining phases 31
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.45420
Number of stations at which the event was observed 38
Number of stations from which data was used for origin computation 23
Magnitude information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 35
Type of magnitude ML
Reference to an origin 117696341
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-24 23:53:26
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LRP.EHZ. 2023-05-24T23:42:08.63 3.0 undecidable manual Sg 9.7 0
CR.STON.BHZ. 2023-05-24T23:41:33.46 3.0 undecidable manual Pn 1.04 0
IV.SMA1.EHZ. 2023-05-24T23:41:28.08 3.0 positive manual Pn -3.4 0
IV.RM33.EHZ. 2023-05-24T23:41:26.31 3.0 positive manual Pn -4.24 0
IV.SSY.HHZ. 2023-05-24T23:41:12.07 3.0 undecidable manual Sn -2.31 0
7C.SPAOL.HNZ. 2023-05-24T23:41:07.20 3.0 undecidable manual Sn 0.74 0
IV.NOCI.HHZ. 2023-05-24T23:41:03.85 3.0 undecidable manual Pn -0.08 0
GE.MATE.HHZ. 2023-05-24T23:41:01.35 3.0 positive manual Pn 0.51 0
IV.HAVL.HHZ. 2023-05-24T23:40:56.07 3.0 negative manual Pn 0.38 0
IV.GRI.EHZ. 2023-05-24T23:40:52.20 0.3 undecidable manual S 72 60.8946 135 0.15 71
IV.HLNI.HHZ. 2023-05-24T23:40:52.76 3.0 positive manual Pn 0.63 0
IV.BULG.HNE. 2023-05-24T23:40:52.76 0.1 undecidable manual P 349 161.4162 107 -0.03 77
IV.MILZ.HHZ. 2023-05-24T23:40:52.00 0.1 undecidable manual S 227 61.7937 134 -0.19 94
XE.T0701.HHN. 2023-05-24T23:40:51.57 0.1 undecidable manual P 12 151.2375 108 -0.02 81
IV.CAR1.HHZ. 2023-05-24T23:40:51.22 3.0 undecidable manual Sn -5.11 0
IV.IST3.HHZ. 2023-05-24T23:40:50.40 0.1 undecidable manual S 290 47.9187 142 0.2 97
IV.MRCB.HHZ. 2023-05-24T23:40:50.88 0.1 undecidable manual S 184 54.501 138 -0.22 95
IV.MSRU.HHZ. 2023-05-24T23:40:50.00 0.1 undecidable manual S 206 47.9187 142 -0.2 96
XE.MORMA.HHZ. 2023-05-24T23:40:49.70 0.1 undecidable manual P 8 136.4634 111 -0.14 81
IV.SICLA.EHZ. 2023-05-24T23:40:49.54 0.3 undecidable manual S 184 44.0226 145 -0.17 73
XE.SHEVA.HHE. 2023-05-24T23:40:49.49 0.1 undecidable manual P 15 133.866 111 -0.06 83
IV.FERC.HHZ.00 2023-05-24T23:40:49.33 0.6 undecidable manual S 124 39.5271 148 0.16 49
IY.SPDC.HHZ. 2023-05-24T23:40:48.94 0.6 undecidable manual S 113 35.9418 151 0.17 50
IV.GRIS.EHZ. 2023-05-24T23:40:48.18 3.0 undecidable manual Pn 0.41 0
7C.SPAOL.HNZ. 2023-05-24T23:40:48.10 3.0 positive manual Pn -0.91 0
XE.T0702.HHZ. 2023-05-24T23:40:47.92 0.1 undecidable manual P 13 121.989 113 -0.25 82
IV.MUCR.HHZ. 2023-05-24T23:40:46.39 0.6 positive manual P 229 101.9202 119 0.46 41
IV.CET2.HHZ. 2023-05-24T23:40:45.34 3.0 undecidable manual Pn -0.1 0
IV.AIO.HHZ. 2023-05-24T23:40:44.82 0.6 positive manual P 211 87.9453 123 0.38 43
IV.SPS2.HHZ. 2023-05-24T23:40:44.23 3.0 negative manual Pn 0.07 0
IV.IVGP.HHZ. 2023-05-24T23:40:43.40 1.0 undecidable manual P 248 74.1702 129 0.35 22
IV.IVPL.HHZ. 2023-05-24T23:40:43.31 0.6 positive manual P 246 73.5708 129 0.33 45
IV.SELL.HHZ. 2023-05-24T23:40:43.80 0.6 undecidable manual P 64 84.249 124 -0.26 44
IV.CAR1.HHZ. 2023-05-24T23:40:43.04 3.0 positive manual P -0.28 0
IV.SOI.EHZ. 2023-05-24T23:40:43.06 1.0 positive manual P 158 69.4749 131 0.47 22
IV.PLAC.HHZ. 2023-05-24T23:40:42.30 0.3 negative manual P 110 63.7917 133 0.23 70
IV.MILZ.HHZ. 2023-05-24T23:40:41.96 0.1 negative manual P 227 61.7937 134 0.07 96
1J.FX12.HHZ.00 2023-05-24T23:40:41.99 0.3 positive manual P 183 62.493 134 0.04 73
IV.MRCB.HHZ. 2023-05-24T23:40:41.07 0.6 negative manual P 184 54.501 138 -0.2 48
IV.GRI.EHZ. 2023-05-24T23:40:41.92 0.3 undecidable manual P 72 60.8946 135 0.11 72
IT.DLNV.HNE. 2023-05-24T23:40:40.59 0.1 undecidable manual P 162 48.3183 142 -0.18 97
IV.MSRU.HHZ. 2023-05-24T23:40:40.61 0.1 negative manual P 206 47.9187 142 -0.14 98
IY.SPDC.HHZ. 2023-05-24T23:40:40.04 0.1 undecidable manual P 113 35.9418 151 0.12 100
IV.IST3.HHZ. 2023-05-24T23:40:40.86 0.1 positive manual P 290 47.9187 142 0.12 98
IY.OPPI.HHZ. 2023-05-24T23:40:40.83 0.6 undecidable manual P 152 48.3183 142 0.06 49
IV.SICLA.EHZ. 2023-05-24T23:40:40.26 0.1 negative manual P 184 44.0226 145 -0.2 97
IV.FERC.HHZ.00 2023-05-24T23:40:40.28 0.1 negative manual P 124 39.5271 148 0.13 99
IY.STRG.HHZ. 2023-05-24T23:40:39.76 3.0 undecidable manual P 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MSRU.HHN. ML:1.9 0.00010330653000000001 0.1408 AML other m 2023-05-24T23:40:50.48
IY.SPDC.HHE. ML:1.9 0.00010795000000000001 0.24 AML other m 2023-05-24T23:40:50.66
IV.MSRU.HHE. ML:1.9 0.00010092928500000001 0.2688 AML other m 2023-05-24T23:40:51.02
IV.MRCB.HHN. ML:1.7 0.00005381577 0.2176 AML other m 2023-05-24T23:40:51.35
IV.MRCB.HHE. ML:1.6 0.00004986483499999999 0.192 AML other m 2023-05-24T23:40:51.01
IV.MILZ.HHN. ML:2.6 0.00037785595 0.3584 AML other m 2023-05-24T23:40:52.54
IV.MILZ.HHE. ML:2.2 0.000177647 0.3456 AML other m 2023-05-24T23:40:53.56
IY.SPDC.HHN. ML:1.9 0.00009606609499999998 0.32 AML other m 2023-05-24T23:40:51.44
IV.IST3.HHE. ML:2.8 0.0007451369 0.4992 AML other m 2023-05-24T23:40:57.67
IV.IST3.HNE. ML:2.8 0.0007281404500000001 0.4352 AML other m 2023-05-24T23:40:55.58
IV.CAR1.HHN. ML:1.9 0.0000667 0.88 AML other m 2023-05-24T23:40:54.64
IV.CAR1.HHE. ML:1.8 0.00005595528 0.1408 AML other m 2023-05-24T23:40:54.73
IV.PLAC.HHE. ML:1.4 0.00002385 1.44 AML other m 2023-05-24T23:40:55.01
IV.IVGP.HHN. ML:1.6 0.0000357717 0.0896 AML other m 2023-05-24T23:40:55.17
IV.IVGP.HHE. ML:1.6 0.000034353420000000004 0.3584 AML other m 2023-05-24T23:41:03.87
IV.IST3.HHN. ML:3.0 0.00113 0.9 AML other m 2023-05-24T23:40:56.56
IV.SPS2.HHN. ML:1.6 0.000034450000000000004 0.34 AML other m 2023-05-24T23:40:56.92
IV.PLAC.HHN. ML:1.4 0.000024449999999999998 0.26 AML other m 2023-05-24T23:40:56.76
IV.SPS2.HHE. ML:1.3 0.0000172 1.22 AML other m 2023-05-24T23:40:57.17
IV.IST3.HNN. ML:2.9 0.001095 0.32 AML other m 2023-05-24T23:40:57.28
IV.AIO.HHE. ML:1.6 0.00003115 0.26 AML other m 2023-05-24T23:40:57.49
IV.AIO.HHN. ML:1.6 0.000028200000000000004 0.26 AML other m 2023-05-24T23:40:57.65
IV.CET2.HHE. ML:1.8 0.00004795 0.2 AML other m 2023-05-24T23:40:58.51
IV.CET2.HHN. ML:2.1 0.00009271315500000001 0.2432 AML other m 2023-05-24T23:40:59.60
IV.MUCR.HHE. ML:1.6 0.000026806070000000002 0.1792 AML other m 2023-05-24T23:40:59.74
IV.MUCR.HHN. ML:1.7 0.000033299999999999996 0.2 AML other m 2023-05-24T23:41:00.74
IV.GRIS.EHN. ML:1.6 0.00002247182 0.1408 AML other m 2023-05-24T23:41:05.02
IV.GRIS.EHE. ML:1.6 0.0000239252 0.1536 AML other m 2023-05-24T23:41:04.70
IV.SICLA.EHE. ML:1.9 0.00010333485 0.3968 AML other m 2023-05-24T23:41:01.41
IV.MSRU.HNE. ML:1.9 0.000099131755 0.2816 AML other m 2023-05-24T23:40:51.02
IV.GRI.EHE. ML:1.6 0.00003804441999999999 0.3584 AML other m 2023-05-24T23:40:54.69
IV.GRI.EHN. ML:1.4 0.00002987306 0.4096 AML other m 2023-05-24T23:40:53.88
IV.CAR1.HNE. ML:1.9 0.00006467297499999999 0.2176 AML other m 2023-05-24T23:40:55.37
IV.IVPL.HHE. ML:2.0 0.000091787625 0.2304 AML other m 2023-05-24T23:40:57.44
IV.IVPL.HHN. ML:2.1 0.0001238081 0.2304 AML other m 2023-05-24T23:40:55.66
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