Earthquake with magnitude of ML 2.1 on date 21-05-2023 and time 16:58:08 (UTC) in region 2 km W Castelnuovo Cilento (SA)

A magnitude ML 2.1 earthquake occured in region: 2 km W Castelnuovo Cilento (SA), on

  • 21-05-2023 16:58:08 (UTC)
  • 21-05-2023 18:58:08 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.2280, 15.1540 at 2 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
Castelnuovo Cilento SA 2 2732 2732
Salento SA 4 1977 4709
Stella Cilento SA 5 738 5447
Casal Velino SA 6 5268 10715
Omignano SA 6 1645 12360
Sessa Cilento SA 8 1337 13697
Perito SA 8 931 14628
Orria SA 8 1089 15717
Gioi SA 9 1278 16995
Pollica SA 9 2393 19388
San Mauro Cilento SA 9 889 20277
Ascea SA 10 5820 26097
Ceraso SA 10 2397 28494
Vallo della Lucania SA 10 8531 37025
Lustra SA 10 1075 38100
Moio della Civitella SA 10 1827 39927
Serramezzana SA 10 331 40258
Rutino SA 11 842 41100
Novi Velia SA 11 2324 43424
Cannalonga SA 12 1063 44487
Perdifumo SA 12 1790 46277
Laureana Cilento SA 13 1174 47451
Stio SA 13 872 48323
Cicerale SA 13 1220 49543
Prignano Cilento SA 14 1018 50561
Torchiara SA 14 1871 52432
Montecorice SA 14 2628 55060
Campora SA 15 439 55499
Cuccaro Vetere SA 15 573 56072
Pisciotta SA 15 2641 58713
Magliano Vetere SA 15 695 59408
Monteforte Cilento SA 16 564 59972
San Mauro la Bruca SA 16 603 60575
Ogliastro Cilento SA 17 2270 62845
Futani SA 17 1204 64049
Felitto SA 18 1283 65332
Castellabate SA 19 9188 74520
Giungano SA 19 1280 75800
Montano Antilia SA 19 2077 77877
Agropoli SA 19 21481 99358
Trentinara SA 20 1646 101004
Laurino SA 20 1548 102552

Municipalities with at least 50000 inhabitants

An earthquake occurred to
45 Km SE of Battipaglia (50786 inhabitants)
60 Km SE of Salerno (135261 inhabitants)
65 Km SE of Cava de' Tirreni (53659 inhabitants)
72 Km SW of Potenza (67122 inhabitants)
77 Km SE of Castellammare di Stabia (66466 inhabitants)
79 Km SE of Scafati (50787 inhabitants)
82 Km SE of Avellino (54857 inhabitants)
91 Km SE of Torre del Greco (86275 inhabitants)
94 Km SE of Ercolano (53709 inhabitants)
95 Km SE of Portici (55274 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 2.1 2023-05-21
16:58:08
40.2278 15.154 2 2023-05-21
17:24:25
Sala Sismica INGV-Roma 117562601
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-21 16:58:08 ± 0.27
Latitude 40.2278 ± 0.0072
Longitude 15.1540 ± 0.0165
Depth (km) 2 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 117562601

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1390
Semi-minor axis of confidence ellipse (meter) 730
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 256
Circular confidence region, given by single value of horizontal uncertainty (meter) 1390.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 168
Number of associated phases, regardless of their use for origin computation 36
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.39
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.72395
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 12
Magnitude information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 30
Type of magnitude ML
Reference to an origin 117562601
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-21 17:24:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
NI.VINO.HHZ. 2023-05-21T17:00:01.37 3.0 negative manual Pg 17.309999 0
IV.MURB.HNZ. 2023-05-21T16:59:56.06 3.0 undecidable manual Sg 1.07 0
IV.LATE.HHZ. 2023-05-21T16:59:54.37 3.0 undecidable manual Sg 2.31 0
GU.RORO.HHZ. 2023-05-21T16:59:47.61 3.0 positive manual Pn -2.7 0
AC.VLO.HHZ. 2023-05-21T16:59:45.95 3.0 undecidable manual Sn 3.31 0
7C.SPAOL.HNZ. 2023-05-21T16:59:27.53 3.0 undecidable manual Sn -3.04 0
IV.MURB.HHZ. 2023-05-21T16:59:15.57 3.0 undecidable manual Pg 6.01 0
TV.SF11.HHZ. 2023-05-21T16:59:15.90 3.0 negative manual Pg 4.72 0
IV.LATE.HHZ. 2023-05-21T16:59:11.59 3.0 undecidable manual Pg 3.68 0
IV.RM33.EHZ. 2023-05-21T16:59:01.25 3.0 undecidable manual Pg 4.16 0
IV.ARRO.EHZ. 2023-05-21T16:59:01.06 3.0 negative manual Pg 0.39 0
IV.CIMA.HNZ. 2023-05-21T16:58:59.19 3.0 negative manual Pn -5.22 0
IV.LRP.EHZ. 2023-05-21T16:58:45.16 3.0 undecidable manual Pg -0.39 0
IV.GRIS.EHZ. 2023-05-21T16:58:35.39 0.6 undecidable manual S 132 80.364 50 0.65 39
IV.MMN.HHZ. 2023-05-21T16:58:35.59 0.6 undecidable manual S 117 80.2641 50 0.87 36
IV.SGG.HHZ. 2023-05-21T16:58:30.93 3.0 undecidable manual P -6.72 0
IV.MCEL.HHZ. 2023-05-21T16:58:28.08 0.6 undecidable manual S 79 55.8996 92 -0.09 47
IV.SLCN.HHZ. 2023-05-21T16:58:24.24 0.6 undecidable manual S 66 44.3223 92 0.08 49
IV.MMN.HHZ. 2023-05-21T16:58:24.57 0.3 undecidable manual P 117 80.2641 50 0.82 55
IV.SORR.HNZ. 2023-05-21T16:58:22.84 1.0 undecidable manual P 300 79.5648 50 -0.81 18
IV.GRIS.EHZ. 2023-05-21T16:58:22.97 1.0 negative manual P 132 80.364 50 -0.8 18
IX.SRN3.HHZ.02 2023-05-21T16:58:21.82 0.6 undecidable manual S 42 38.5281 93 -0.32 47
IV.SGO.HHZ. 2023-05-21T16:58:21.95 0.6 undecidable manual S 19 39.1275 93 -0.4 46
IV.CDRU.HHZ. 2023-05-21T16:58:20.30 0.6 undecidable manual S 24 31.746 93 0.51 45
IV.MCEL.HHZ. 2023-05-21T16:58:19.34 0.6 undecidable manual P 79 55.8996 92 -0.63 41
IV.MGR.HHZ. 2023-05-21T16:58:19.79 0.6 undecidable manual S 106 35.3424 93 -1.25 32
IV.BULG.HHZ. 2023-05-21T16:58:18.05 0.6 undecidable manual S 131 25.1526 94 0.52 46
IV.SLCN.HHZ. 2023-05-21T16:58:17.49 0.6 positive manual P 66 44.3223 92 -0.17 48
IX.SRN3.HHZ.02 2023-05-21T16:58:16.24 0.1 positive manual P 42 38.5281 93 -0.25 95
IV.SGO.HHZ. 2023-05-21T16:58:16.47 0.6 negative manual P 19 39.1275 93 -0.14 48
IX.PST3.HNZ. 2023-05-21T16:58:16.47 0.1 undecidable manual P 12 37.7289 93 0.14 97
IV.CMPR.HHZ. 2023-05-21T16:58:15.07 0.6 undecidable manual S 51 16.0728 96 0.68 43
IV.CDRU.HHZ. 2023-05-21T16:58:15.34 0.1 undecidable manual P 24 31.746 93 0.21 97
IV.MGR.HHZ. 2023-05-21T16:58:15.05 0.1 undecidable manual P 106 35.3424 93 -0.8 80
IV.BULG.HHZ. 2023-05-21T16:58:13.73 0.1 negative manual P 131 25.1526 94 -0.1 100
IV.CMPR.HHZ. 2023-05-21T16:58:12.35 0.1 positive manual P 51 16.0728 96 0.34 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BULG.HNE. ML:2.0 0.0007375000000000001 0.44 AML other m 2023-05-21T16:58:17.65
IV.BULG.HHN. ML:2.2 0.0010615 0.18 AML other m 2023-05-21T16:58:18.15
IV.BULG.HNN. ML:2.2 0.0010395 0.2 AML other m 2023-05-21T16:58:18.15
IV.BULG.HHE. ML:2.0 0.0006194999999999999 0.14 AML other m 2023-05-21T16:58:18.43
IV.CDRU.HHN. ML:2.2 0.0007505 0.76 AML other m 2023-05-21T16:58:20.76
IV.CDRU.HHE. ML:2.5 0.0014299999999999998 0.98 AML other m 2023-05-21T16:58:20.98
IV.CDRU.HNE. ML:2.4 0.0012749999999999999 0.98 AML other m 2023-05-21T16:58:20.99
IV.CDRU.HNN. ML:2.2 0.0007444999999999999 0.12 AML other m 2023-05-21T16:58:20.76
IX.SRN3.HHE.02 ML:2.1 0.000495 0.38 AML other m 2023-05-21T16:58:22.54
IX.SRN3.HNN.01 ML:2.2 0.0006644999999999999 0.76 AML other m 2023-05-21T16:58:22.96
IX.SRN3.HHN.02 ML:2.2 0.000615 0.78 AML other m 2023-05-21T16:58:22.96
IV.SGO.HHE. ML:2.2 0.0005555 0.16 AML other m 2023-05-21T16:58:23.26
IV.SGO.HHN. ML:2.3 0.0007265 0.2 AML other m 2023-05-21T16:58:23.33
IV.MGR.HHE. ML:1.6 0.0001835 0.22 AML other m 2023-05-21T16:58:23.68
IV.MGR.HHN. ML:1.8 0.000259 0.5 AML other m 2023-05-21T16:58:24.01
IV.SLCN.HHN. ML:1.9 0.0002275 0.58 AML other m 2023-05-21T16:58:24.54
IV.SLCN.HNN. ML:2.1 0.000367 0.72 AML other m 2023-05-21T16:58:26.78
IX.SRN3.HNE.01 ML:2.1 0.0005207499999999999 0.52 AML other m 2023-05-21T16:58:27.58
IV.SLCN.HHE. ML:2.1 0.00039400000000000004 1.4 AML other m 2023-05-21T16:58:27.78
IV.SLCN.HNE. ML:2.1 0.000371 0.48 AML other m 2023-05-21T16:58:27.79
IV.MCEL.HNN. ML:1.8 0.0001305 0.66 AML other m 2023-05-21T16:58:29.46
IV.MCEL.HHN. ML:1.5 0.0000774 1.16 AML other m 2023-05-21T16:58:34.84
IV.MCEL.HNE. ML:1.9 0.0001715 1.02 AML other m 2023-05-21T16:58:34.31
IV.MCEL.HHE. ML:1.5 0.00007625 0.96 AML other m 2023-05-21T16:58:35.59
IV.GRIS.EHE. ML:1.8 0.00008635000000000001 1.26 AML other m 2023-05-21T16:58:36.98
IV.MMN.HHN. ML:2.0 0.00013000000000000002 0.22 AML other m 2023-05-21T16:58:36.56
IV.MMN.HHE. ML:1.8 0.0000949 1.16 AML other m 2023-05-21T16:58:37.06
IV.GRIS.EHN. ML:1.6 0.0000621 0.26 AML other m 2023-05-21T16:58:37.86
IV.ARRO.EHE. ML:2.5 0.000027550000000000002 0.72 AML other m 2023-05-21T16:59:01.35
IV.ARRO.EHN. ML:2.6 0.00003555 1.12 AML other m 2023-05-21T16:59:02.27
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
Waveforms Seismic signals in miniseed + resp format Download