Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.8 on date 03-08-2021 and time 19:06:14 (Italy) in region 2 km SW Sassinoro (BN)

A magnitude ML 0.8 earthquake occured in region: 2 km SW Sassinoro (BN), on

  • 03-08-2021 17:06:14 (UTC)
  • 03-08-2021 19:06:14 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.3630, 14.6480 at 10 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Sassinoro BN 2 618 618
Morcone BN 3 4932 5550
Sepino CB 6 1964 7514
Santa Croce del Sannio BN 8 927 8441
Pietraroja BN 8 545 8986
Pontelandolfo BN 9 2167 11153
San Giuliano del Sannio CB 11 1029 12182
Campolattaro BN 11 1072 13254
Cercepiccola CB 11 681 13935
San Lupo BN 11 801 14736
Cerreto Sannita BN 12 3940 18676
Cusano Mutri BN 12 4091 22767
Casalduni BN 12 1378 24145
Guardiaregia CB 12 801 24946
Guardia Sanframondi BN 12 5078 30024
Cercemaggiore CB 13 3777 33801
San Lorenzo Maggiore BN 13 2154 35955
San Lorenzello BN 13 2227 38182
Circello BN 14 2388 40570
Castelpagano BN 14 1483 42053
Campochiaro CB 15 646 42699
Vinchiaturo CB 15 3324 46023
Colle Sannita BN 16 2431 48454
Fragneto Monforte BN 16 1840 50294
Fragneto l'Abate BN 16 1049 51343
Castelvenere BN 17 2562 53905
Reino BN 17 1210 55115
San Polo Matese CB 17 470 55585
Faicchio BN 17 3634 59219
Ponte BN 17 2580 61799
Mirabello Sannitico CB 17 2180 63979
Gildone CB 18 809 64788
Gioia Sannitica CE 18 3638 68426
Paupisi BN 19 1633 70059
Telese Terme BN 19 7486 77545
Ferrazzano CB 19 3344 80889
San Salvatore Telesino BN 19 3999 84888
Colle d'Anchise CB 20 807 85695
Pesco Sannita BN 20 1972 87667
Baranello CB 20 2673 90340
Torrecuso BN 20 3407 93747
Bojano CB 20 8058 101805

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km NW of Benevento (60091 inhabitants)
41 Km NE of Caserta (76326 inhabitants)
51 Km N of Avellino (54857 inhabitants)
52 Km NE of Acerra (59573 inhabitants)
57 Km NE of Afragola (65057 inhabitants)
57 Km NE of Aversa (53047 inhabitants)
59 Km NE of Casoria (77642 inhabitants)
61 Km NE of Giugliano in Campania (122974 inhabitants)
64 Km NE of Marano di Napoli (59874 inhabitants)
65 Km NE of Portici (55274 inhabitants)
67 Km NE of Ercolano (53709 inhabitants)
67 Km NE of Napoli (974074 inhabitants)
68 Km NE of Torre del Greco (86275 inhabitants)
69 Km N of Scafati (50787 inhabitants)
71 Km SW of San Severo (53905 inhabitants)
74 Km N of Cava de' Tirreni (53659 inhabitants)
74 Km NE of Pozzuoli (81661 inhabitants)
76 Km W of Foggia (151991 inhabitants)
76 Km N of Castellammare di Stabia (66466 inhabitants)
77 Km N of Salerno (135261 inhabitants)
89 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
Reviewed
Rev100 		ML 0.8 2021-08-03
17:06:14		 41.3633 14.6482 10 2021-08-03
17:20:10		 Sala Sismica INGV-Roma 93625481
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-08-03 17:06:14 ± 0.15
Latitude 41.3633 ± 0.0063
Longitude 14.6482 ± 0.0096
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 93625481

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 749
Semi-minor axis of confidence ellipse (meter) 592
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 72
Circular confidence region, given by single value of horizontal uncertainty (meter) 750.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 93
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.31476
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 5
Type of magnitude ML
Reference to an origin 93625481
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-08-03 17:20:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PZUN.HHZ. 2021-08-03T17:06:55.81 3.0 undecidable manual S 0.4 0
IV.TDS.HHZ. 2021-08-03T17:06:54.94 3.0 undecidable manual Pg 3.47 0
IX.SCL3.EHZ.02 2021-08-03T17:06:48.45 3.0 undecidable manual S -1.18 0
IV.VVLD.HNZ. 2021-08-03T17:06:32.78 3.0 undecidable manual P -0.36 0
IV.MTMR.EHZ. 2021-08-03T17:06:27.29 3.0 undecidable manual P 0.53 0
IV.VAGA.HHZ. 2021-08-03T17:06:27.03 0.3 undecidable manual S 280 34.9428 50 0.28 70
IV.SGG.HHZ. 2021-08-03T17:06:23.43 0.3 undecidable manual S 277 22.5552 113 0.29 72
IV.PSB1.HNE. 2021-08-03T17:06:22.70 0.3 undecidable manual S 139 20.5683 115 0.17 74
IV.BSSO.HHZ. 2021-08-03T17:06:22.93 0.6 undecidable manual S 347 20.7681 115 0.35 47
IV.VITU.HNE. 2021-08-03T17:06:22.25 0.3 undecidable manual S 184 20.0688 116 -0.1 75
IV.VAGA.HHZ. 2021-08-03T17:06:21.68 0.3 undecidable manual P 280 34.9428 50 0.04 74
IV.SGG.HHZ. 2021-08-03T17:06:19.02 0.1 undecidable manual P 277 22.5552 113 -0.53 90
IV.VITU.HNE. 2021-08-03T17:06:19.34 0.3 undecidable manual P 184 20.0688 116 0.25 73
IV.PSB1.HNE. 2021-08-03T17:06:19.04 0.3 undecidable manual P 139 20.5683 115 -0.16 74
IV.SACR.HHE. 2021-08-03T17:06:18.96 0.3 undecidable manual S 52 6.0939 147 0.37 72
IV.BSSO.HHZ. 2021-08-03T17:06:18.91 0.1 undecidable manual P 347 20.7681 115 -0.32 95
IV.SACR.HHE. 2021-08-03T17:06:16.72 0.1 undecidable manual P 52 6.0939 147 -0.2 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SGG.HHN. ML:0.9 0.0000551 0.34 AML other m 2021-08-03T17:06:24.95
IV.SGG.HHE. ML:0.9 0.00005205 0.44 AML other m 2021-08-03T17:06:26.48
IV.BSSO.HHE. ML:0.7 0.000037143375 0.2944 AML other m 2021-08-03T17:06:23.86
IV.VAGA.HHE. ML:0.6 0.000015221695 0.2816 AML other m 2021-08-03T17:06:30.08
IV.VAGA.HHN. ML:1.0 0.00004127486 0.4992 AML other m 2021-08-03T17:06:33.75
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