Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 06-08-2021 and time 23:39:32 (Italy) in region 3 km NW Morcone (BN)

A magnitude ML 1.1 earthquake occured in region: 3 km NW Morcone (BN), on

  • 06-08-2021 21:39:32 (UTC)
  • 06-08-2021 23:39:32 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.3560, 14.6290 at 11 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
Morcone BN 3 4932 4932
Sassinoro BN 4 618 5550
Sepino CB 6 1964 7514
Pietraroja BN 7 545 8059
Pontelandolfo BN 9 2167 10226
Santa Croce del Sannio BN 9 927 11153
Cerreto Sannita BN 10 3940 15093
Cusano Mutri BN 10 4091 19184
San Lupo BN 11 801 19985
San Giuliano del Sannio CB 11 1029 21014
Guardia Sanframondi BN 11 5078 26092
Campolattaro BN 11 1072 27164
San Lorenzello BN 11 2227 29391
Guardiaregia CB 12 801 30192
San Lorenzo Maggiore BN 12 2154 32346
Casalduni BN 12 1378 33724
Cercepiccola CB 12 681 34405
Cercemaggiore CB 14 3777 38182
Campochiaro CB 15 646 38828
Castelvenere BN 15 2562 41390
Circello BN 15 2388 43778
Faicchio BN 15 3634 47412
Vinchiaturo CB 16 3324 50736
Castelpagano BN 16 1483 52219
San Polo Matese CB 16 470 52689
Fragneto Monforte BN 17 1840 54529
Ponte BN 17 2580 57109
Gioia Sannitica CE 17 3638 60747
Fragneto l'Abate BN 17 1049 61796
Colle Sannita BN 17 2431 64227
Telese Terme BN 17 7486 71713
San Salvatore Telesino BN 17 3999 75712
Reino BN 18 1210 76922
Paupisi BN 18 1633 78555
Mirabello Sannitico CB 18 2180 80735
Solopaca BN 19 3820 84555
Torrecuso BN 19 3407 87962
Bojano CB 19 8058 96020
Colle d'Anchise CB 19 807 96827
Gildone CB 20 809 97636
San Potito Sannitico CE 20 1925 99561
Ferrazzano CB 20 3344 102905
Baranello CB 20 2673 105578

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km NW of Benevento (60091 inhabitants)
40 Km NE of Caserta (76326 inhabitants)
50 Km NE of Acerra (59573 inhabitants)
51 Km N of Avellino (54857 inhabitants)
55 Km NE of Afragola (65057 inhabitants)
55 Km NE of Aversa (53047 inhabitants)
58 Km NE of Casoria (77642 inhabitants)
60 Km NE of Giugliano in Campania (122974 inhabitants)
63 Km NE of Marano di Napoli (59874 inhabitants)
63 Km NE of Portici (55274 inhabitants)
65 Km NE of Ercolano (53709 inhabitants)
66 Km NE of Napoli (974074 inhabitants)
67 Km NE of Torre del Greco (86275 inhabitants)
68 Km N of Scafati (50787 inhabitants)
72 Km NE of Pozzuoli (81661 inhabitants)
73 Km SW of San Severo (53905 inhabitants)
73 Km N of Cava de' Tirreni (53659 inhabitants)
75 Km N of Castellammare di Stabia (66466 inhabitants)
76 Km N of Salerno (135261 inhabitants)
77 Km W of Foggia (151991 inhabitants)
88 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 1.1 2021-08-06
21:39:32		 41.3563 14.6293 11 2021-08-06
21:48:20		 Sala Sismica INGV-Roma 93771771
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-08-06 21:39:32 ± 0.1
Latitude 41.3563 ± 0.0063
Longitude 14.6293 ± 0.0108
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 93771771

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 911
Semi-minor axis of confidence ellipse (meter) 657
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 238
Circular confidence region, given by single value of horizontal uncertainty (meter) 910.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 96
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.07015
Epicentral distance of station farthest from the epicenter (degree) 0.30217
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 19
Type of magnitude ML
Reference to an origin 93771771
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-08-06 21:48:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.BSSO.HHZ. 2021-08-06T21:39:40.54 0.1 undecidable manual S 352 21.2676 50 0.27 98
IV.PSB1.HHZ. 2021-08-06T21:39:40.53 0.3 undecidable manual S 134 21.1677 50 0.29 73
IV.GATE.HNZ. 2021-08-06T21:39:38.00 1.0 undecidable manual P 53 29.1486 50 -0.01 26
IV.VAGA.HHZ. 2021-08-06T21:39:38.98 0.6 undecidable manual P 281 33.5442 50 0.29 48
IV.BSSO.HHZ. 2021-08-06T21:39:36.53 0.1 undecidable manual P 352 21.2676 50 -0.26 98
IV.SGG.HNZ. 2021-08-06T21:39:36.16 0.6 undecidable manual P 279 21.0678 50 -0.61 45
IV.PSB1.HHZ. 2021-08-06T21:39:36.59 0.3 undecidable manual P 134 21.1677 50 -0.18 75
IV.VITU.HHZ. 2021-08-06T21:39:36.45 0.3 undecidable manual P 180 19.1697 119 0.01 78
IV.PTRJ.HHZ. 2021-08-06T21:39:36.94 0.6 undecidable manual S 276 8.3805 142 0.18 51
IV.SACR.HHZ. 2021-08-06T21:39:36.91 0.6 undecidable manual S 54 7.7811 144 0.27 50
IV.PTRJ.HHZ. 2021-08-06T21:39:35.04 0.6 undecidable manual P 276 8.3805 142 0.27 50
IV.SACR.HHZ. 2021-08-06T21:39:34.40 0.1 undecidable manual P 54 7.7811 144 -0.3 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SACR.HHE. ML:1.1 0.0001577551 0.2816 AML other m 2021-08-06T21:39:37.24
IV.SACR.HHN. ML:1.0 0.0001525 1.76 AML other m 2021-08-06T21:39:37.94
IV.PSB1.HHN. ML:0.9 0.000048205105 0.4608 AML other m 2021-08-06T21:39:45.09
IV.BSSO.HHE. ML:1.2 0.00011999999999999999 0.46 AML other m 2021-08-06T21:39:40.90
IV.VITU.HHE. ML:1.2 0.00012446545 0.2304 AML other m 2021-08-06T21:39:40.65
IV.VITU.HHN. ML:1.4 0.0001795 0.26 AML other m 2021-08-06T21:39:42.02
IV.PSB1.HHE. ML:1.0 0.00006329077 0.3584 AML other m 2021-08-06T21:39:41.40
IV.BSSO.HHN. ML:0.9 0.000060539919999999994 0.64 AML other m 2021-08-06T21:39:41.04
IV.VAGA.HHE. ML:0.9 0.00003485 0.58 AML other m 2021-08-06T21:39:47.66
IV.VAGA.HHN. ML:1.3 0.00008439293 0.2688 AML other m 2021-08-06T21:39:46.46
IV.SACR.HNE. ML:1.1 0.000158036385 0.2944 AML other m 2021-08-06T21:39:37.24
IV.SACR.HNN. ML:1.0 0.00014048389999999998 0.2432 AML other m 2021-08-06T21:39:37.95
IV.VITU.HNN. ML:1.4 0.00017542115 0.2432 AML other m 2021-08-06T21:39:42.03
IV.BSSO.HNE. ML:1.2 0.00010673318 0.3584 AML other m 2021-08-06T21:39:40.90
IV.BSSO.HNN. ML:1.0 0.00006864017 0.768 AML other m 2021-08-06T21:39:41.41
IV.PSB1.HNE. ML:1.1 0.000092137005 0.4096 AML other m 2021-08-06T21:39:41.20
IV.PSB1.HNN. ML:0.8 0.00004581546 0.4736 AML other m 2021-08-06T21:39:45.09
IV.VAGA.HNE. ML:1.0 0.00004514235 0.6272 AML other m 2021-08-06T21:39:48.70
IV.VAGA.HNN. ML:1.3 0.00008203176000000001 0.4608 AML other m 2021-08-06T21:39:49.64
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