Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.9 on date 15-08-2020 and time 00:06:32 (UTC) in region 2 km N Cercepiccola (CB)

A magnitude ML 0.9 earthquake occured in region: 2 km N Cercepiccola (CB), on

  • 15-08-2020 00:06:32 (UTC)
  • 15-08-2020 02:06:32 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.4770, 14.6650 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 5 3777 7667
Ferrazzano CB 6 3344 11011
Vinchiaturo CB 7 3324 14335
Gildone CB 7 809 15144
Sepino CB 9 1964 17108
Campobasso CB 9 49431 66539
Baranello CB 10 2673 69212
Guardiaregia CB 11 801 70013
Sassinoro BN 11 618 70631
Campodipietra CB 11 2570 73201
Santa Croce del Sannio BN 11 927 74128
Jelsi CB 12 1781 75909
Busso CB 12 1273 77182
Colle d'Anchise CB 13 807 77989
Campochiaro CB 14 646 78635
Toro CB 14 1391 80026
Oratino CB 14 1641 81667
San Polo Matese CB 14 470 82137
San Giovanni in Galdo CB 14 580 82717
Riccia CB 14 5262 87979
Castelpagano BN 15 1483 89462
Ripalimosani CB 15 3114 92576
Morcone BN 15 4932 97508
Matrice CB 16 1115 98623
Bojano CB 16 8058 106681
Casalciprano CB 16 564 107245
Spinete CB 17 1320 108565
Pietraroja BN 17 545 109110
Circello BN 18 2388 111498
Castropignano CB 18 947 112445
Colle Sannita BN 19 2431 114876
Montagano CB 19 1086 115962
Monacilioni CB 19 523 116485
Sant'Elena Sannita IS 20 275 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)
68 Km NE of Afragola (65057 inhabitants)
71 Km NE of Casoria (77642 inhabitants)
72 Km NE of Giugliano in Campania (122974 inhabitants)
73 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)
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 0.9 2020-08-15
00:06:32		 41.4772 14.6647 11 2020-11-19
12:37:03		 Bollettino Sismico Italiano INGV 83617431
Reviewed
Rev100 		ML 0.9 2020-08-15
00:06:32		 41.4738 14.661 11 2020-08-15
00:11:47		 Sala Sismica INGV-Roma 81988381
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-08-15 00:06:32 ± 0.08
Latitude 41.4772 ± 0.0090
Longitude 14.6647 ± 0.0072
Depth (km) 11 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 83617431

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1010
Semi-minor axis of confidence ellipse (meter) 570
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 17
Circular confidence region, given by single value of horizontal uncertainty (meter) 1010.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 88
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.08544
Epicentral distance of station farthest from the epicenter (degree) 0.41459
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 83617431
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-10-08 12:51:21

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 81988381
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-08-15 00:11:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MELA.HHZ. 2020-08-15T00:06:47.52 0.6 undecidable manual S 56 46.0206 90 0.45 44
IV.MIDA.HNZ. 2020-08-15T00:06:45.09 0.3 undecidable manual S 298 38.628 90 -0.02 72
IV.TRIV.HHZ. 2020-08-15T00:06:44.16 0.3 undecidable manual S 344 33.4443 90 0.44 67
IV.PSB1.HNN. 2020-08-15T00:06:43.37 0.6 undecidable manual S 157 30.6471 90 0.39 44
IV.SGG.HHZ. 2020-08-15T00:06:42.00 0.6 undecidable manual S 247 25.752 90 0.33 45
IV.CIGN.HHZ. 2020-08-15T00:06:42.33 0.6 undecidable manual S 45 27.9498 90 0.07 48
IV.MELA.HHZ. 2020-08-15T00:06:40.39 0.1 undecidable manual P 56 46.0206 90 -0.45 85
IV.MIDA.HNZ. 2020-08-15T00:06:39.43 0.1 undecidable manual P 298 38.628 90 -0.28 90
IV.TRIV.HHZ. 2020-08-15T00:06:38.97 0.1 undecidable manual P 344 33.4443 90 0.06 96
IV.PSB1.HNN. 2020-08-15T00:06:38.12 0.1 undecidable manual P 157 30.6471 90 -0.36 91
IV.CIGN.HHZ. 2020-08-15T00:06:38.31 0.1 undecidable manual P 45 27.9498 90 0.25 94
IV.SACR.HHN. 2020-08-15T00:06:37.58 0.6 undecidable manual S 159 9.4794 122 0.18 48
IV.SGG.HHZ. 2020-08-15T00:06:37.62 0.1 undecidable manual P 247 25.752 90 -0.1 97
IV.GATE.HHZ. 2020-08-15T00:06:37.21 0.1 undecidable manual P 79 20.7681 90 0.25 95
IV.BSSO.HHZ. 2020-08-15T00:06:37.71 0.6 undecidable manual S 322 9.6792 121 0.28 48
IV.BSSO.HHZ. 2020-08-15T00:06:35.08 0.1 negative manual P 322 9.6792 121 -0.2 96
IV.SACR.HHN. 2020-08-15T00:06:35.18 0.1 undecidable manual P 159 9.4794 122 -0.08 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BSSO.HHE. ML:1.0 0.0001175 0.28 AML other m 2020-08-15T00:06:37.67
IV.BSSO.HHN. ML:0.9 0.00009515 0.96 AML other m 2020-08-15T00:06:39.51
IV.GATE.HHN. ML:0.6 0.0000254471 0.24 AML other m 2020-08-15T00:06:43.55
IV.GATE.HHE. ML:0.6 0.000031010665 0.3 AML other m 2020-08-15T00:06:43.80
IV.SGG.HHE. ML:0.8 0.000040999999999999994 0.56 AML other m 2020-08-15T00:06:45.72
IV.SGG.HHN. ML:1.0 0.000052900000000000005 0.82 AML other m 2020-08-15T00:06:45.98
IV.MELA.HHE. ML:1.2 0.0000506731145 1.74 AML other m 2020-08-15T00:06:48.06
IV.MELA.HHN. ML:1.2 0.000042656805 1.72 AML other m 2020-08-15T00:06:48.12
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