Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 12-08-2021 and time 14:04:48 (Italy) in region 2 km NW Cercepiccola (CB)

A magnitude ML 1.6 earthquake occured in region: 2 km NW Cercepiccola (CB), on

  • 12-08-2021 12:04:48 (UTC)
  • 12-08-2021 14:04:48 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.4800, 14.6610 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.

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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 3 1029 1710
Mirabello Sannitico CB 4 2180 3890
Cercemaggiore CB 6 3777 7667
Ferrazzano CB 6 3344 11011
Vinchiaturo CB 6 3324 14335
Gildone CB 8 809 15144
Sepino CB 9 1964 17108
Campobasso CB 9 49431 66539
Baranello CB 10 2673 69212
Guardiaregia CB 11 801 70013
Campodipietra CB 11 2570 72583
Sassinoro BN 12 618 73201
Busso CB 12 1273 74474
Santa Croce del Sannio BN 12 927 75401
Jelsi CB 12 1781 77182
Colle d'Anchise CB 12 807 77989
Campochiaro CB 13 646 78635
Oratino CB 14 1641 80276
Toro CB 14 1391 81667
San Polo Matese CB 14 470 82137
San Giovanni in Galdo CB 14 580 82717
Ripalimosani CB 15 3114 85831
Riccia CB 15 5262 91093
Castelpagano BN 15 1483 92576
Matrice CB 15 1115 93691
Morcone BN 15 4932 98623
Bojano CB 16 8058 106681
Casalciprano CB 16 564 107245
Spinete CB 16 1320 108565
Pietraroja BN 17 545 109110
Castropignano CB 18 947 110057
Circello BN 18 2388 112445
Montagano CB 19 1086 113531
Sant'Elena Sannita IS 19 275 113806
Monacilioni CB 19 523 114329
Colle Sannita BN 19 2431 116760
Campolieto CB 20 839 117599

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km N of Benevento (60091 inhabitants)
53 Km NE of Caserta (76326 inhabitants)
64 Km N of Avellino (54857 inhabitants)
64 Km NE of Acerra (59573 inhabitants)
64 Km W of San Severo (53905 inhabitants)
68 Km NE of Aversa (53047 inhabitants)
69 Km NE of Afragola (65057 inhabitants)
71 Km NE of Casoria (77642 inhabitants)
72 Km NE of Giugliano in Campania (122974 inhabitants)
74 Km W of Foggia (151991 inhabitants)
76 Km NE of Marano di Napoli (59874 inhabitants)
77 Km NE of Portici (55274 inhabitants)
79 Km NE of Napoli (974074 inhabitants)
79 Km NE of Ercolano (53709 inhabitants)
81 Km NE of Torre del Greco (86275 inhabitants)
82 Km N of Scafati (50787 inhabitants)
85 Km NE of Pozzuoli (81661 inhabitants)
87 Km N of Cava de' Tirreni (53659 inhabitants)
89 Km N of Castellammare di Stabia (66466 inhabitants)
89 Km N of Salerno (135261 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 1.6 2021-08-12
12:04:48		 41.48 14.6607 11 2021-12-29
11:12:24		 Bollettino Sismico Italiano INGV 94918371
Reviewed
Rev100 		ML 1.6 2021-08-12
12:04:48		 41.4785 14.6657 11 2021-08-12
12:18:16		 Sala Sismica INGV-Roma 94004821
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-08-12 12:04:48 ± 0.09
Latitude 41.4800 ± 0.0054
Longitude 14.6607 ± 0.0072
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 94918371

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 542
Semi-minor axis of confidence ellipse (meter) 517
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 203
Circular confidence region, given by single value of horizontal uncertainty (meter) 540.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 76
Number of associated phases, regardless of their use for origin computation 46
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.96138
Number of stations at which the event was observed 31
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 34
Type of magnitude ML
Reference to an origin 94918371
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-09-18 17:04:18

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 34
Type of magnitude ML
Reference to an origin 94004821
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-08-12 12:18:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HAGA.HHZ. 2021-08-12T12:06:39.70 3.0 undecidable manual Sn -0.65 0
GU.RRL.HHZ. 2021-08-12T12:06:31.49 3.0 undecidable manual Pn 6.32 0
IV.MMGO.HHZ. 2021-08-12T12:06:30.17 3.0 undecidable manual Sn -5.86 0
IV.SOLUN.HHZ. 2021-08-12T12:06:22.93 3.0 undecidable manual Sn -0.01 0
IV.RIBO.EHZ.01 2021-08-12T12:06:18.64 3.0 undecidable manual Sn 6.55 0
OX.CLUD.HHZ. 2021-08-12T12:06:18.07 3.0 positive manual Pg 14.53 0
GU.MGRO.HHZ. 2021-08-12T12:06:17.28 3.0 undecidable manual Pn 6.47 0
IV.CLTA.HHZ. 2021-08-12T12:06:08.45 3.0 undecidable manual Pg 15.51 0
IV.PIPA.HHZ. 2021-08-12T12:06:03.70 3.0 undecidable manual Sn 3.06 0
IV.CSLB.HHZ. 2021-08-12T12:05:50.78 3.0 negative manual Pg 8.57 0
IV.CAGR.HHZ. 2021-08-12T12:05:43.06 3.0 undecidable manual Pn -3.09 0
IV.PIPA.HHZ. 2021-08-12T12:05:37.20 3.0 positive manual Pg 8.54 0
IV.RM33.EHZ. 2021-08-12T12:05:17.15 3.0 negative manual P 3.64 0
IV.LAV9.HNZ. 2021-08-12T12:05:17.58 3.0 undecidable manual P 4.07 0
IV.MNTT.EHZ. 2021-08-12T12:05:17.50 3.0 negative manual Pn 0.2 0
IV.SNAL.HHZ. 2021-08-12T12:05:11.99 3.0 undecidable manual S 0
IV.LPEL.HHZ. 2021-08-12T12:05:10.96 0.6 undecidable manual S 328 74.2701 50 0.53 40
IV.MSAG.HHZ. 2021-08-12T12:05:06.53 0.3 undecidable manual P 76 106.7154 50 0.52 56
IV.RNI2.HHZ. 2021-08-12T12:05:03.86 1.0 undecidable manual S 301 48.9177 50 0.19 22
IV.SGRT.HHZ. 2021-08-12T12:05:03.56 0.3 undecidable manual P 71 94.8384 50 -0.61 55
IV.MELA.HHZ. 2021-08-12T12:05:02.98 0.3 undecidable manual S 57 46.1205 50 0.06 70
IV.VAGA.HHZ. 2021-08-12T12:05:01.02 1.0 undecidable manual S 259 36.1416 50 0.75 19
IV.LPEL.HHZ. 2021-08-12T12:05:00.15 0.3 undecidable manual P 328 74.2701 50 -0.85 52
IV.MIDA.HHZ. 2021-08-12T12:05:00.85 0.6 undecidable manual S 298 38.2284 50 0.04 47
IV.TRIV.HHZ. 2021-08-12T12:05:00.21 0.6 undecidable manual S 344 33.0447 50 0.77 39
IV.SNAL.HHZ. 2021-08-12T12:05:00.64 3.0 undecidable manual P -0.62 0
IV.PSB1.HHZ. 2021-08-12T12:04:59.45 1.0 undecidable manual S 156 31.0467 50 0.54 21
IV.VITU.HHZ. 2021-08-12T12:04:59.82 0.6 undecidable manual S 184 33.0447 50 0.4 44
IV.CIGN.HHZ. 2021-08-12T12:04:58.39 0.6 undecidable manual S 46 28.0497 50 0.3 46
IV.SGG.HHZ. 2021-08-12T12:04:57.92 0.6 undecidable manual S 246 25.5522 50 0.48 44
IV.MELA.HHZ. 2021-08-12T12:04:56.00 0.1 undecidable manual P 57 46.1205 50 -0.66 80
IV.RNI2.HHZ. 2021-08-12T12:04:56.90 0.1 undecidable manual P 301 48.9177 50 -0.19 90
IV.GATE.HHZ. 2021-08-12T12:04:56.97 1.0 undecidable manual S 80 21.0678 50 0.74 20
IV.VAGA.HHZ. 2021-08-12T12:04:55.08 0.1 undecidable manual P 259 36.1416 50 -0.05 95
IV.TST01.HHZ. 2021-08-12T12:04:55.29 3.0 undecidable manual P 323 37.4292 50 -0.04 71
IV.MIDA.HHZ. 2021-08-12T12:04:55.12 0.1 undecidable manual P 298 38.2284 50 -0.32 89
IV.TRIV.HHZ. 2021-08-12T12:04:54.45 0.1 undecidable manual P 344 33.0447 50 -0.2 92
IV.VITU.HHZ. 2021-08-12T12:04:54.69 0.1 undecidable manual P 184 33.0447 50 0.05 95
IV.PSB1.HHZ. 2021-08-12T12:04:54.04 0.1 undecidable manual P 156 31.0467 50 -0.31 91
IV.CIGN.HHZ. 2021-08-12T12:04:53.86 0.1 undecidable manual P 46 28.0497 50 -0.01 97
IV.GATE.HHZ. 2021-08-12T12:04:53.20 0.1 undecidable manual P 80 21.0678 50 0.4 90
IV.BSSO.HHZ. 2021-08-12T12:04:53.58 0.3 undecidable manual S 323 9.1797 140 0.53 67
IV.SGG.HHZ. 2021-08-12T12:04:53.23 0.1 undecidable manual P 246 25.5522 50 -0.27 92
IV.SACR.HHZ. 2021-08-12T12:04:53.36 0.3 undecidable manual S 158 9.879 138 0.15 73
IV.SACR.HHZ. 2021-08-12T12:04:50.95 0.1 negative manual P 158 9.879 138 -0.11 98
IV.BSSO.HHZ. 2021-08-12T12:04:50.95 0.1 negative manual P 323 9.1797 140 -0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SACR.HNE. ML:1.7 0.000668 0.8 AML other m 2021-08-12T12:04:53.54
IV.SACR.HHE. ML:1.8 0.0007135 0.8 AML other m 2021-08-12T12:04:53.54
IV.BSSO.HNN. ML:1.7 0.000696 0.34 AML other m 2021-08-12T12:04:54.11
IV.BSSO.HHN. ML:1.7 0.00074 0.36 AML other m 2021-08-12T12:04:54.10
IV.SACR.HHN. ML:1.8 0.000749 0.42 AML other m 2021-08-12T12:04:54.54
IV.SACR.HNN. ML:1.8 0.0007070000000000001 0.42 AML other m 2021-08-12T12:04:54.55
IV.BSSO.HNE. ML:1.8 0.000781 0.48 AML other m 2021-08-12T12:04:54.39
IV.BSSO.HHE. ML:1.8 0.0008505 0.48 AML other m 2021-08-12T12:04:54.63
IV.SGG.HHN. ML:1.6 0.00021550000000000003 0.6 AML other m 2021-08-12T12:04:58.98
IV.SGG.HHE. ML:1.4 0.00015900000000000002 1.38 AML other m 2021-08-12T12:04:59.73
IV.GATE.HNN. ML:1.6 0.0002655 0.48 AML other m 2021-08-12T12:05:00.08
IV.GATE.HHN. ML:1.6 0.000249 0.48 AML other m 2021-08-12T12:05:00.08
IV.GATE.HHE. ML:1.8 0.00045 0.54 AML other m 2021-08-12T12:05:00.53
IV.GATE.HNE. ML:1.8 0.00042 0.54 AML other m 2021-08-12T12:05:00.53
IV.TRIV.HHN. ML:1.6 0.000156 0.86 AML other m 2021-08-12T12:05:01.32
IV.VITU.HHN. ML:1.8 0.000272 0.62 AML other m 2021-08-12T12:05:01.98
IV.VITU.HHE. ML:1.8 0.00026250000000000004 0.3 AML other m 2021-08-12T12:05:03.20
IV.CIGN.HHE. ML:1.4 0.000117 0.4 AML other m 2021-08-12T12:05:03.30
IV.MELA.HHE. ML:1.6 0.000125 1.24 AML other m 2021-08-12T12:05:03.04
IV.MELA.HHN. ML:1.9 0.0002175 0.34 AML other m 2021-08-12T12:05:03.52
IV.VAGA.HHE. ML:1.5 0.000124 1.38 AML other m 2021-08-12T12:05:03.07
IV.CIGN.HHN. ML:1.4 0.00013000000000000002 0.56 AML other m 2021-08-12T12:05:04.51
IV.MIDA.HHE. ML:1.6 0.00014700000000000002 0.3 AML other m 2021-08-12T12:05:05.23
IV.TRIV.HHE. ML:1.4 0.00011985000000000001 0.34 AML other m 2021-08-12T12:05:05.54
IV.VAGA.HHN. ML:1.9 0.00028700000000000004 0.26 AML other m 2021-08-12T12:05:05.83
IV.MIDA.HHN. ML:1.7 0.00017549999999999998 0.46 AML other m 2021-08-12T12:05:05.89
IV.RNI2.HHN. ML:1.7 0.000133 1.52 AML other m 2021-08-12T12:05:07.82
IV.RNI2.HHE. ML:1.4 0.00006115 0.82 AML other m 2021-08-12T12:05:08.39
IV.PSB1.HHE. ML:1.4 0.0001033 0.88 AML other m 2021-08-12T12:05:08.08
IV.PSB1.HHN. ML:1.3 0.0000968 0.6 AML other m 2021-08-12T12:05:11.63
IV.LPEL.HHN. ML:1.7 0.0000743 0.74 AML other m 2021-08-12T12:05:13.96
IV.LPEL.HHE. ML:1.6 0.0000656 0.46 AML other m 2021-08-12T12:05:14.30
IV.MSAG.HHE. ML:1.4 0.0000217 1.3 AML other m 2021-08-12T12:05:21.26
IV.MSAG.HHN. ML:1.5 0.00003165 0.32 AML other m 2021-08-12T12:05:25.27
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