Earthquake with magnitude of ML 0.9 on date 19-08-2021 and time 11:47:58 (Italy) in region 1 km SE Sepino (CB)

A magnitude ML 0.9 earthquake occured in region: 1 km SE Sepino (CB), on

  • 19-08-2021 09:47:58 (UTC)
  • 19-08-2021 11:47:58 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.4020, 14.6340 at 11 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
Sepino CB 1 1964 1964
Sassinoro BN 4 618 2582
San Giuliano del Sannio CB 6 1029 3611
Cercepiccola CB 7 681 4292
Morcone BN 7 4932 9224
Santa Croce del Sannio BN 8 927 10151
Guardiaregia CB 9 801 10952
Pietraroja BN 9 545 11497
Cercemaggiore CB 10 3777 15274
Vinchiaturo CB 11 3324 18598
Campochiaro CB 12 646 19244
Cusano Mutri BN 13 4091 23335
Mirabello Sannitico CB 13 2180 25515
San Polo Matese CB 13 470 25985
Pontelandolfo BN 13 2167 28152
Castelpagano BN 15 1483 29635
Cerreto Sannita BN 15 3940 33575
Ferrazzano CB 15 3344 36919
Gildone CB 15 809 37728
Campolattaro BN 15 1072 38800
Baranello CB 15 2673 41473
Colle d'Anchise CB 15 807 42280
Circello BN 16 2388 44668
San Lupo BN 16 801 45469
San Lorenzello BN 16 2227 47696
Guardia Sanframondi BN 16 5078 52774
Bojano CB 16 8058 60832
Casalduni BN 17 1378 62210
San Lorenzo Maggiore BN 17 2154 64364
Colle Sannita BN 17 2431 66795
Campobasso CB 18 49431 116226
Busso CB 18 1273 117499
Faicchio BN 19 3634 121133
Jelsi CB 19 1781 122914
Gioia Sannitica CE 19 3638 126552
Riccia CB 20 5262 131814
Castelvenere BN 20 2562 134376
Campodipietra CB 20 2570 136946
Reino BN 20 1210 138156
Spinete CB 20 1320 139476

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km NW of Benevento (60091 inhabitants)
44 Km NE of Caserta (76326 inhabitants)
55 Km NE of Acerra (59573 inhabitants)
56 Km N of Avellino (54857 inhabitants)
60 Km NE of Aversa (53047 inhabitants)
60 Km NE of Afragola (65057 inhabitants)
62 Km NE of Casoria (77642 inhabitants)
64 Km NE of Giugliano in Campania (122974 inhabitants)
67 Km NE of Marano di Napoli (59874 inhabitants)
68 Km NE of Portici (55274 inhabitants)
70 Km W of San Severo (53905 inhabitants)
70 Km NE of Ercolano (53709 inhabitants)
70 Km NE of Napoli (974074 inhabitants)
72 Km NE of Torre del Greco (86275 inhabitants)
73 Km N of Scafati (50787 inhabitants)
76 Km W of Foggia (151991 inhabitants)
77 Km NE of Pozzuoli (81661 inhabitants)
78 Km N of Cava de' Tirreni (53659 inhabitants)
80 Km N of Castellammare di Stabia (66466 inhabitants)
81 Km N of Salerno (135261 inhabitants)
93 Km NW of Battipaglia (50786 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 0.9 2021-08-19
09:47:58
41.4017 14.6338 11 2021-12-29
11:12:21
Bollettino Sismico Italiano INGV 94419051
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-08-19 09:47:58 ± 0.07
Latitude 41.4017 ± 0.0054
Longitude 14.6338 ± 0.0072
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 94419051

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 671
Semi-minor axis of confidence ellipse (meter) 425
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 47
Circular confidence region, given by single value of horizontal uncertainty (meter) 670.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 107
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.37232
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.1
Num. used stations 3
Type of magnitude ML
Reference to an origin 94419051
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-08-20 13:22:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MF5.EHZ. 2021-08-19T09:48:30.24 3.0 undecidable manual Pg 4.63 0
IV.MIDA.HNZ. 2021-08-19T09:48:11.66 0.6 undecidable manual S 310 41.3253 50 -0.12 47
IV.VAGA.HHZ. 2021-08-19T09:48:09.47 0.6 undecidable manual S 273 33.2445 50 -0.18 47
IV.PSB1.HNE. 2021-08-19T09:48:07.59 0.6 undecidable manual S 143 24.6531 50 0.25 47
IV.VITU.HHZ. 2021-08-19T09:48:07.53 0.6 undecidable manual S 181 24.2535 50 0.3 46
IV.VAGA.HHZ. 2021-08-19T09:48:05.15 0.3 undecidable manual P 273 33.2445 50 0.32 68
IV.BSSO.HHE. 2021-08-19T09:48:05.55 0.6 undecidable manual S 348 16.3725 123 0.5 45
IV.MIDA.HNZ. 2021-08-19T09:48:05.70 0.6 undecidable manual P 310 41.3253 50 -0.36 45
IV.PTRJ.HNN. 2021-08-19T09:48:03.37 0.6 undecidable manual S 244 9.6792 138 0.09 50
IV.VITU.HHZ. 2021-08-19T09:48:03.34 0.3 undecidable manual P 181 24.2535 50 -0.09 73
IV.PSB1.HNE. 2021-08-19T09:48:03.38 0.1 undecidable manual P 143 24.6531 50 -0.12 97
IV.BSSO.HHE. 2021-08-19T09:48:02.16 0.1 undecidable manual P 348 16.3725 123 -0.02 100
IV.SACR.HHZ. 2021-08-19T09:48:02.52 0.6 undecidable manual S 95 5.994 151 -0.02 51
IV.PTRJ.HNN. 2021-08-19T09:48:01.03 0.3 undecidable manual P 244 9.6792 138 -0.12 74
IV.SACR.HHZ. 2021-08-19T09:48:00.58 0.1 positive manual P 95 5.994 151 -0.15 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SACR.HHN. ML:0.8 0.0001011330915 0.2048 AML other m 2021-08-19T09:48:02.67
IV.SACR.HHE. ML:0.9 0.0001245 1.6 AML other m 2021-08-19T09:48:05.88
IV.SACR.HNN. ML:0.9 0.00011141995000000002 0.224 AML other m 2021-08-19T09:48:02.66
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