Earthquake with magnitude of ML 1.0 on date 18-08-2023 and time 08:36:16 (UTC) in region 3 km NE San Marco dei Cavoti (BN)

A magnitude ML 1.0 earthquake occured in region: 3 km NE San Marco dei Cavoti (BN), on

  • 18-08-2023 08:36:16 (UTC)
  • 18-08-2023 10:36:16 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.3290, 14.8990 at 1 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
San Marco dei Cavoti BN 3 3371 3371
Molinara BN 4 1618 4989
San Giorgio La Molara BN 7 2994 7983
Colle Sannita BN 7 2431 10414
Foiano di Val Fortore BN 7 1410 11824
Reino BN 8 1210 13034
Circello BN 8 2388 15422
Montefalcone di Val Fortore BN 9 1525 16947
Pago Veiano BN 9 2406 19353
Baselice BN 10 2397 21750
Castelpagano BN 11 1483 23233
Fragneto l'Abate BN 13 1049 24282
Pesco Sannita BN 13 1972 26254
Castelvetere in Val Fortore BN 13 1240 27494
Ginestra degli Schiavoni BN 13 476 27970
San Bartolomeo in Galdo BN 13 4867 32837
Buonalbergo BN 14 1730 34567
Casalbore AV 14 1800 36367
Fragneto Monforte BN 15 1840 38207
Campolattaro BN 15 1072 39279
Pietrelcina BN 15 3114 42393
Santa Croce del Sannio BN 15 927 43320
Castelfranco in Miscano BN 16 916 44236
Roseto Valfortore FG 17 1074 45310
Tufara CB 18 925 46235
Paduli BN 18 3978 50213
Pontelandolfo BN 18 2167 52380
Sant'Arcangelo Trimonte BN 18 573 52953
Riccia CB 18 5262 58215
Casalduni BN 19 1378 59593
Montecalvo Irpino AV 19 3725 63318
Morcone BN 20 4932 68250

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km NE of Benevento (60091 inhabitants)
47 Km N of Avellino (54857 inhabitants)
55 Km NE of Caserta (76326 inhabitants)
56 Km W of Foggia (151991 inhabitants)
57 Km SW of San Severo (53905 inhabitants)
61 Km NE of Acerra (59573 inhabitants)
67 Km NE of Afragola (65057 inhabitants)
69 Km NE of Casoria (77642 inhabitants)
70 Km NE of Aversa (53047 inhabitants)
72 Km N of Cava de' Tirreni (53659 inhabitants)
72 Km NE of Scafati (50787 inhabitants)
72 Km NE of Portici (55274 inhabitants)
73 Km N of Salerno (135261 inhabitants)
73 Km NE of Giugliano in Campania (122974 inhabitants)
74 Km NE of Ercolano (53709 inhabitants)
75 Km NE of Torre del Greco (86275 inhabitants)
76 Km NE of Marano di Napoli (59874 inhabitants)
77 Km NE of Napoli (974074 inhabitants)
79 Km NE of Castellammare di Stabia (66466 inhabitants)
80 Km N of Battipaglia (50786 inhabitants)
84 Km W of Cerignola (58396 inhabitants)
86 Km NE of Pozzuoli (81661 inhabitants)
91 Km W of Manfredonia (57279 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 1.0 2023-08-18
08:36:16
41.3292 14.899 1 2023-08-18
09:06:27
Sala Sismica INGV-Roma 120250401
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-08-18 08:36:16 ± 0.17
Latitude 41.3292 ± 0.0072
Longitude 14.8990 ± 0.0084
Depth (km) 1 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 120250401

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 830
Semi-minor axis of confidence ellipse (meter) 700
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 344
Circular confidence region, given by single value of horizontal uncertainty (meter) 830.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 134
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
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) 0.12501
Epicentral distance of station farthest from the epicenter (degree) 0.31476
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 120250401
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-08-18 09:06:27
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.BSSO.HHZ. 2023-08-18T08:36:29.53 0.1 undecidable manual S 314 34.9428 91 0.49 87
IV.VITU.HHZ. 2023-08-18T08:36:26.37 0.1 undecidable manual S 234 27.6501 92 -0.14 95
IV.MOCO.HHZ. 2023-08-18T08:36:24.24 0.1 undecidable manual S 78 22.0668 92 -0.31 93
IV.BSSO.HHZ. 2023-08-18T08:36:23.48 1.0 undecidable manual P 314 34.9428 91 -0.43 22
IV.MOCO.HHZ. 2023-08-18T08:36:22.31 0.6 negative manual P 78 22.0668 92 0.99 36
IV.SACR.HHZ. 2023-08-18T08:36:22.77 0.1 undecidable manual S 295 17.7711 93 -0.31 93
IV.VITU.HHZ. 2023-08-18T08:36:21.92 1.0 positive manual P 234 27.6501 92 -0.53 22
IV.PSB1.HHZ. 2023-08-18T08:36:21.96 0.1 undecidable manual S 212 13.875 94 0.25 95
IV.SACR.HHZ. 2023-08-18T08:36:20.33 0.3 positive manual P 295 17.7711 93 -0.14 73
IV.PSB1.HHZ. 2023-08-18T08:36:19.69 0.1 positive manual P 212 13.875 94 0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PSB1.HHE. ML:1.0 0.00011599999999999999 0.62 AML other m 2023-08-18T08:36:23.55
IV.SACR.HHE. ML:0.7 0.0000499 0.76 AML other m 2023-08-18T08:36:24.57
IV.VITU.HHE. ML:1.2 0.00009725 0.82 AML other m 2023-08-18T08:36:27.21
IV.PSB1.HHN. ML:0.8 0.0000901 0.32 AML other m 2023-08-18T08:36:27.25
IV.VITU.HHN. ML:1.3 0.00011049999999999999 0.38 AML other m 2023-08-18T08:36:27.92
IV.SACR.HHN. ML:0.8 0.00005505 1.22 AML other m 2023-08-18T08:36:28.96
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