Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 12-08-2020 and time 21:02:26 (UTC) in region 4 km W Pietrelcina (BN)

A magnitude ML 1.4 earthquake occured in region: 4 km W Pietrelcina (BN), on

  • 12-08-2020 21:02:26 (UTC)
  • 12-08-2020 23:02:26 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.1950, 14.7990 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
Pietrelcina BN 4 3114 3114
Pesco Sannita BN 5 1972 5086
Fragneto Monforte BN 7 1840 6926
Fragneto l'Abate BN 7 1049 7975
Benevento BN 7 60091 68066
Paduli BN 8 3978 72044
Pago Veiano BN 9 2406 74450
Ponte BN 9 2580 77030
Torrecuso BN 10 3407 80437
Castelpoto BN 10 1254 81691
Reino BN 11 1210 82901
Paupisi BN 11 1633 84534
Casalduni BN 11 1378 85912
Foglianise BN 11 3385 89297
Campolattaro BN 12 1072 90369
Sant'Arcangelo Trimonte BN 12 573 90942
Vitulano BN 13 2944 93886
San Giorgio La Molara BN 13 2994 96880
Apollosa BN 14 2658 99538
San Nicola Manfredi BN 14 3722 103260
Pontelandolfo BN 14 2167 105427
San Leucio del Sannio BN 14 3106 108533
Apice BN 14 5686 114219
Sant'Angelo a Cupolo BN 14 4325 118544
San Marco dei Cavoti BN 14 3371 121915
Cautano BN 14 2044 123959
Campoli del Monte Taburno BN 15 1546 125505
Molinara BN 15 1618 127123
San Martino Sannita BN 15 1230 128353
Calvi BN 15 2682 131035
Buonalbergo BN 15 1730 132765
San Giorgio del Sannio BN 15 10022 142787
San Lupo BN 16 801 143588
San Lorenzo Maggiore BN 16 2154 145742
Tocco Caudio BN 16 1508 147250
Chianche AV 17 475 147725
Ceppaloni BN 17 3415 151140
San Nazzaro BN 17 884 152024
Casalbore AV 18 1800 153824
Guardia Sanframondi BN 18 5078 158902
Torrioni AV 18 549 159451
Circello BN 18 2388 161839
Petruro Irpino AV 18 349 162188
Montefusco AV 18 1338 163526
Arpaise BN 19 761 164287
Pietradefusi AV 19 2348 166635
Colle Sannita BN 19 2431 169066
Venticano AV 19 2537 171603
Montecalvo Irpino AV 20 3725 175328
Montesarchio BN 20 13500 188828
Santa Paolina AV 20 1256 190084
Morcone BN 20 4932 195016
Bonito AV 20 2448 197464

Municipalities with at least 50000 inhabitants

An earthquake occurred to
7 Km N of Benevento (60091 inhabitants)
31 Km N of Avellino (54857 inhabitants)
41 Km E of Caserta (76326 inhabitants)
45 Km NE of Acerra (59573 inhabitants)
51 Km NE of Afragola (65057 inhabitants)
53 Km NE of Casoria (77642 inhabitants)
55 Km NE of Scafati (50787 inhabitants)
55 Km E of Aversa (53047 inhabitants)
55 Km N of Cava de' Tirreni (53659 inhabitants)
56 Km NE of Portici (55274 inhabitants)
57 Km NE of Ercolano (53709 inhabitants)
58 Km N of Salerno (135261 inhabitants)
58 Km NE of Torre del Greco (86275 inhabitants)
58 Km NE of Giugliano in Campania (122974 inhabitants)
61 Km NE of Napoli (974074 inhabitants)
61 Km NE of Marano di Napoli (59874 inhabitants)
62 Km NE of Castellammare di Stabia (66466 inhabitants)
67 Km N of Battipaglia (50786 inhabitants)
69 Km W of Foggia (151991 inhabitants)
71 Km NE of Pozzuoli (81661 inhabitants)
73 Km SW of San Severo (53905 inhabitants)
93 Km W of Cerignola (58396 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 2020-08-12
21:02:26		 41.1952 14.7987 10 2021-02-26
15:54:52		 Bollettino Sismico Italiano INGV 87511261
Reviewed
Rev100 		ML 1.4 2020-08-12
21:02:27		 41.2053 14.8022 11 2020-08-12
21:05:52		 Sala Sismica INGV-Roma 81917391
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-08-12 21:02:26 ± 0.08
Latitude 41.1952 ± 0.0063
Longitude 14.7987 ± 0.0072
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 87511261

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 850
Semi-minor axis of confidence ellipse (meter) 267
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 40
Circular confidence region, given by single value of horizontal uncertainty (meter) 850.0
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 21
Number of defining phases 19
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.46585
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 87511261
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-02-26 15:32:58

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 81917391
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-08-12 21:05:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SNAL.HHZ. 2020-08-12T21:02:41.84 0.6 undecidable manual S 131 45.5211 50 0.03 48
IV.CAFE.HHZ. 2020-08-12T21:02:41.00 0.6 undecidable manual S 117 41.0256 50 0.39 45
IV.SGG.HHN. 2020-08-12T21:02:40.69 0.6 undecidable manual S 301 40.9257 50 0.11 47
IV.BSSO.HHE. 2020-08-12T21:02:40.87 0.6 undecidable manual S 336 42.5241 50 -0.14 47
IV.LRP.EHZ. 2020-08-12T21:02:37.60 3.0 positive manual P 0.24 0
IV.CIGN.HHN. 2020-08-12T21:02:36.96 0.6 undecidable manual P 10 51.7038 50 0.48 43
IV.BSSO.HHE. 2020-08-12T21:02:35.16 0.3 undecidable manual P 336 42.5241 50 0.09 71
IV.SGG.HHN. 2020-08-12T21:02:35.20 0.3 undecidable manual P 301 40.9257 50 0.38 67
IV.SACR.HHZ. 2020-08-12T21:02:35.82 0.3 undecidable manual S 341 23.754 113 -0.06 74
IV.CAFE.HHZ. 2020-08-12T21:02:34.41 0.3 undecidable manual P 117 41.0256 50 -0.43 66
IV.MRB1.HHZ. 2020-08-12T21:02:34.28 0.6 undecidable manual S 120 16.2726 121 0.7 42
IV.SNAL.HHZ. 2020-08-12T21:02:34.95 0.3 undecidable manual P 131 45.5211 50 -0.58 63
IX.SSB3.HNE.02 2020-08-12T21:02:34.31 0.6 undecidable manual P 110 38.2284 50 -0.09 48
IV.VITU.HHZ. 2020-08-12T21:02:33.29 0.6 undecidable manual S 265 14.0748 125 0.34 47
IV.PAOL.HHN. 2020-08-12T21:02:32.31 0.6 undecidable manual P 227 26.5512 50 -0.29 47
IV.SACR.HHZ. 2020-08-12T21:02:32.08 0.3 undecidable manual P 341 23.754 113 -0.03 74
IV.PSB1.HHZ. 2020-08-12T21:02:30.27 0.6 undecidable manual S 18 3.2967 162 -0.32 48
IV.VITU.HHZ. 2020-08-12T21:02:30.32 0.1 undecidable manual P 265 14.0748 125 -0.09 100
IV.MRB1.HHZ. 2020-08-12T21:02:30.93 0.1 negative manual P 120 16.2726 121 0.15 98
IV.ROSPO.HHZ. 2020-08-12T21:02:30.24 3.0 undecidable manual P 0.02 0
IV.PSB1.HHZ. 2020-08-12T21:02:28.89 0.1 undecidable manual P 18 3.2967 162 -0.17 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PSB1.HNN. ML:1.3 0.000347 0.4 AML other m 2020-08-12T21:02:30.88
IV.PSB1.HHN. ML:1.3 0.0003795 0.4 AML other m 2020-08-12T21:02:30.88
IV.PSB1.HNE. ML:1.5 0.0006194999999999999 1.06 AML other m 2020-08-12T21:02:30.99
IV.PSB1.HHE. ML:1.5 0.0006414999999999999 1.06 AML other m 2020-08-12T21:02:30.99
IV.VITU.HHE. ML:1.5 0.00033850000000000004 0.7 AML other m 2020-08-12T21:02:34.67
IV.VITU.HHN. ML:1.6 0.000382 0.86 AML other m 2020-08-12T21:02:36.37
IV.SACR.HHN. ML:0.7 0.00003125 0.78 AML other m 2020-08-12T21:02:37.48
IV.SACR.HHE. ML:0.8 0.00004015000000000001 0.3 AML other m 2020-08-12T21:02:38.26
IV.MRB1.HHN. ML:1.6 0.000356 0.32 AML other m 2020-08-12T21:02:38.16
IV.MRB1.HHE. ML:1.4 0.0001985 0.32 AML other m 2020-08-12T21:02:41.22
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