Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 11-08-2021 and time 00:01:12 (UTC) in region 2 km NW Cercepiccola (CB)

A magnitude ML 1.4 earthquake occured in region: 2 km NW Cercepiccola (CB), on

  • 11-08-2021 00:01:12 (UTC)
  • 11-08-2021 02:01:12 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.4730, 14.6590 at 10 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.

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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
Cercepiccola CB 2 681 681
San Giuliano del Sannio CB 2 1029 1710
Mirabello Sannitico CB 5 2180 3890
Cercemaggiore CB 6 3777 7667
Vinchiaturo CB 6 3324 10991
Ferrazzano CB 7 3344 14335
Sepino CB 8 1964 16299
Gildone CB 8 809 17108
Campobasso CB 10 49431 66539
Baranello CB 10 2673 69212
Guardiaregia CB 11 801 70013
Sassinoro BN 11 618 70631
Santa Croce del Sannio BN 11 927 71558
Campodipietra CB 12 2570 74128
Busso CB 12 1273 75401
Colle d'Anchise CB 12 807 76208
Jelsi CB 13 1781 77989
Campochiaro CB 13 646 78635
San Polo Matese CB 14 470 79105
Oratino CB 14 1641 80746
Toro CB 15 1391 82137
Morcone BN 15 4932 87069
Castelpagano BN 15 1483 88552
San Giovanni in Galdo CB 15 580 89132
Riccia CB 15 5262 94394
Ripalimosani CB 16 3114 97508
Bojano CB 16 8058 105566
Matrice CB 16 1115 106681
Spinete CB 16 1320 108001
Casalciprano CB 16 564 108565
Pietraroja BN 17 545 109110
Circello BN 18 2388 111498
Castropignano CB 18 947 112445
Colle Sannita BN 19 2431 114876
Sant'Elena Sannita IS 19 275 115151
Cusano Mutri BN 19 4091 119242
Montagano CB 20 1086 120328
Monacilioni CB 20 523 120851

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km N of Benevento (60091 inhabitants)
52 Km NE of Caserta (76326 inhabitants)
63 Km N of Avellino (54857 inhabitants)
63 Km NE of Acerra (59573 inhabitants)
65 Km W of San Severo (53905 inhabitants)
67 Km NE of Aversa (53047 inhabitants)
68 Km NE of Afragola (65057 inhabitants)
70 Km NE of Casoria (77642 inhabitants)
72 Km NE of Giugliano in Campania (122974 inhabitants)
74 Km W of Foggia (151991 inhabitants)
75 Km NE of Marano di Napoli (59874 inhabitants)
76 Km NE of Portici (55274 inhabitants)
78 Km NE of Napoli (974074 inhabitants)
78 Km NE of Ercolano (53709 inhabitants)
80 Km NE of Torre del Greco (86275 inhabitants)
81 Km N of Scafati (50787 inhabitants)
84 Km NE of Pozzuoli (81661 inhabitants)
86 Km N of Cava de' Tirreni (53659 inhabitants)
88 Km N of Castellammare di Stabia (66466 inhabitants)
89 Km N of Salerno (135261 inhabitants)
100 Km N 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 1.4 2021-08-11
00:01:12		 41.4727 14.6592 11 2021-12-29
11:12:52		 Bollettino Sismico Italiano INGV 97555811
Reviewed
Rev100 		ML 1.4 2021-08-11
00:01:12		 41.4693 14.6667 11 2021-08-11
01:59:31		 Sala Sismica INGV-Roma 93944951
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-08-11 00:01:12 ± 0.12
Latitude 41.4727 ± 0.0081
Longitude 14.6592 ± 0.0096
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 97555811

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 893
Semi-minor axis of confidence ellipse (meter) 732
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 217
Circular confidence region, given by single value of horizontal uncertainty (meter) 890.0
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 21
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.08274
Epicentral distance of station farthest from the epicenter (degree) 0.67449
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 38
Type of magnitude ML
Reference to an origin 97555811
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-11-18 15:42:04

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 38
Type of magnitude ML
Reference to an origin 93944951
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-08-11 01:59:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LPEL.HHZ. 2021-08-11T00:01:35.05 0.6 undecidable manual S 328 74.8695 50 0.26 42
IV.MELA.HHZ. 2021-08-11T00:01:27.16 0.6 undecidable manual S 56 46.62 50 -0.09 47
IV.MIDA.HHZ. 2021-08-11T00:01:25.67 0.6 undecidable manual S 299 38.5281 50 0.59 41
IV.TRIV.HHZ. 2021-08-11T00:01:24.61 0.3 undecidable manual S 345 33.8439 50 0.78 57
IV.VAGA.HHZ. 2021-08-11T00:01:24.96 0.6 undecidable manual S 260 35.9418 50 0.57 41
IV.LPEL.HHZ. 2021-08-11T00:01:24.30 0.3 undecidable manual P 328 74.8695 50 -0.95 51
IV.PSB1.HHZ. 2021-08-11T00:01:23.16 0.6 undecidable manual S 155 30.4473 50 0.24 45
IV.GATE.HHZ. 2021-08-11T00:01:22.50 0.6 undecidable manual S 78 21.3675 116 2.03 18
IV.SGG.HHZ. 2021-08-11T00:01:21.65 0.6 undecidable manual S 248 25.1526 50 0.13 47
IV.MELA.HHZ. 2021-08-11T00:01:20.20 0.1 positive manual P 56 46.62 50 -0.7 80
IV.MIDA.HHZ. 2021-08-11T00:01:19.13 0.3 undecidable manual P 299 38.5281 50 -0.52 65
IV.VAGA.HHZ. 2021-08-11T00:01:19.19 0.3 undecidable manual P 260 35.9418 50 -0.05 72
IV.PSB1.HHZ. 2021-08-11T00:01:18.21 0.1 undecidable manual P 155 30.4473 50 -0.19 95
IV.TRIV.HHZ. 2021-08-11T00:01:18.72 0.1 negative manual P 345 33.8439 50 -0.2 94
IV.CIGN.HHZ. 2021-08-11T00:01:18.01 0.1 undecidable manual P 45 28.6491 50 -0.12 96
IV.SGG.HHZ. 2021-08-11T00:01:17.32 0.1 positive manual P 248 25.1526 50 -0.27 94
IV.BSSO.HHE. 2021-08-11T00:01:17.47 0.3 undecidable manual S 326 9.7791 137 0.27 75
IV.GATE.HHZ. 2021-08-11T00:01:17.32 0.1 undecidable manual P 78 21.3675 116 0.34 92
IV.SACR.HHZ. 2021-08-11T00:01:17.46 0.6 undecidable manual S 155 9.1797 139 0.39 48
IV.SACR.HHZ. 2021-08-11T00:01:15.06 0.1 negative manual P 155 9.1797 139 0.04 100
IV.BSSO.HHE. 2021-08-11T00:01:15.01 0.1 negative manual P 326 9.7791 137 -0.09 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SACR.HHN. ML:1.5 0.00043149999999999997 0.24 AML other m 2021-08-11T00:01:17.66
IV.SACR.HHE. ML:1.6 0.00053 0.28 AML other m 2021-08-11T00:01:17.67
IV.MELA.HNN. ML:1.7 0.00014704305 0.93 AML other m 2021-08-11T00:01:21.08
IV.SACR.HNN. ML:1.6 0.0005713698999999999 0.41 AML other m 2021-08-11T00:01:22.94
IV.SACR.HNE. ML:1.7 0.00060931855 0.49 AML other m 2021-08-11T00:01:22.98
IV.SGG.HHN. ML:1.2 0.000097722585 1.74 AML other m 2021-08-11T00:01:22.00
IV.SGG.HNN. ML:1.3 0.00012199148499999999 1.53 AML other m 2021-08-11T00:01:23.06
IV.SGG.HHE. ML:1.1 0.00007208064 1.8 AML other m 2021-08-11T00:01:23.91
IV.GATE.HHE. ML:1.4 0.000163 0.54 AML other m 2021-08-11T00:01:24.71
IV.GATE.HNE. ML:1.4 0.00016499999999999997 0.56 AML other m 2021-08-11T00:01:24.72
IV.SGG.HNE. ML:1.6 0.00022410184999999998 0.64 AML other m 2021-08-11T00:01:24.84
IV.TRIV.HNE. ML:1.4 0.00010850000000000001 0.4 AML other m 2021-08-11T00:01:25.01
IV.TRIV.HHE. ML:1.4 0.00011099999999999999 0.4 AML other m 2021-08-11T00:01:25.01
IV.TRIV.HHN. ML:1.4 0.0001071 0.52 AML other m 2021-08-11T00:01:25.39
IV.TRIV.HNN. ML:1.4 0.0001001 0.5 AML other m 2021-08-11T00:01:25.39
IV.GATE.HHN. ML:1.2 0.00010538890000000001 0.44 AML other m 2021-08-11T00:01:25.06
IV.GATE.HNN. ML:1.2 0.00011573699999999999 0.46 AML other m 2021-08-11T00:01:25.29
IV.VAGA.HNE. ML:1.3 0.00007590547999999999 0.22 AML other m 2021-08-11T00:01:26.24
IV.CIGN.HHE. ML:0.8 0.00003705 0.4 AML other m 2021-08-11T00:01:26.30
IV.VAGA.HHE. ML:1.2 0.0000617 0.48 AML other m 2021-08-11T00:01:26.67
IV.MELA.HHN. ML:1.2 0.000042027294999999996 0.32 AML other m 2021-08-11T00:01:27.86
IV.CIGN.HHN. ML:0.9 0.00003807268 0.56 AML other m 2021-08-11T00:01:28.39
IV.PSB1.HHE. ML:1.1 0.000053 0.36 AML other m 2021-08-11T00:01:28.56
IV.MIDA.HHE. ML:1.2 0.000054900000000000006 0.32 AML other m 2021-08-11T00:01:29.25
IV.VAGA.HHN. ML:1.6 0.0001385 0.28 AML other m 2021-08-11T00:01:29.84
IV.VAGA.HNN. ML:1.5 0.000133 0.3 AML other m 2021-08-11T00:01:29.85
IV.MIDA.HNE. ML:1.2 0.000061858295 1.58 AML other m 2021-08-11T00:01:30.90
IV.PSB1.HHN. ML:0.9 0.0000361 0.78 AML other m 2021-08-11T00:01:30.53
IV.LPEL.HNE. ML:2.0 0.0001416408 0.61 AML other m 2021-08-11T00:01:30.55
IV.PSB1.HNN. ML:1.1 0.000057786515 0.52 AML other m 2021-08-11T00:01:30.96
IV.MIDA.HHN. ML:1.3 0.000067229245 0.26 AML other m 2021-08-11T00:01:30.82
IV.MELA.HHE. ML:1.2 0.000040163830000000005 0.28 AML other m 2021-08-11T00:01:30.70
IV.PSB1.HNE. ML:1.4 0.00012469056 0.7 AML other m 2021-08-11T00:01:32.52
IV.MIDA.HNN. ML:2.1 0.00042136495 0.76 AML other m 2021-08-11T00:01:36.71
IV.LPEL.HHE. ML:1.4 0.000039649999999999995 0.18 AML other m 2021-08-11T00:01:37.17
IV.LPEL.HHN. ML:1.3 0.00003146455 0.12 AML other m 2021-08-11T00:01:38.18
IV.MELA.HNE. ML:1.6 0.00010496447 1.03 AML other m 2021-08-11T00:01:41.13
IV.LPEL.HNN. ML:1.9 0.00012508963 0.78 AML other m 2021-08-11T00:01:46.22
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