Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 12-08-2020 and time 17:56:57 (UTC) in region 6 km N Benevento (BN)

A magnitude ML 1.4 earthquake occured in region: 6 km N Benevento (BN), on

  • 12-08-2020 17:56:57 (UTC)
  • 12-08-2020 19:56:57 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.1810, 14.7850 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
Benevento BN 6 60091 60091
Pietrelcina BN 6 3114 63205
Pesco Sannita BN 7 1972 65177
Fragneto Monforte BN 8 1840 67017
Castelpoto BN 8 1254 68271
Fragneto l'Abate BN 8 1049 69320
Paduli BN 9 3978 73298
Ponte BN 9 2580 75878
Torrecuso BN 9 3407 79285
Foglianise BN 10 3385 82670
Paupisi BN 10 1633 84303
Pago Veiano BN 11 2406 86709
Vitulano BN 11 2944 89653
Apollosa BN 12 2658 92311
Casalduni BN 12 1378 93689
San Leucio del Sannio BN 12 3106 96795
San Nicola Manfredi BN 12 3722 100517
Sant'Angelo a Cupolo BN 13 4325 104842
Cautano BN 13 2044 106886
Campolattaro BN 13 1072 107958
Campoli del Monte Taburno BN 13 1546 109504
Reino BN 13 1210 110714
Sant'Arcangelo Trimonte BN 13 573 111287
San Martino Sannita BN 13 1230 112517
Calvi BN 14 2682 115199
Apice BN 14 5686 120885
Tocco Caudio BN 14 1508 122393
San Giorgio del Sannio BN 14 10022 132415
Pontelandolfo BN 14 2167 134582
San Giorgio La Molara BN 15 2994 137576
Chianche AV 15 475 138051
Ceppaloni BN 15 3415 141466
San Lupo BN 15 801 142267
San Lorenzo Maggiore BN 15 2154 144421
San Nazzaro BN 16 884 145305
San Marco dei Cavoti BN 16 3371 148676
Molinara BN 16 1618 150294
Torrioni AV 16 549 150843
Petruro Irpino AV 17 349 151192
Buonalbergo BN 17 1730 152922
Montefusco AV 17 1338 154260
Arpaise BN 17 761 155021
Guardia Sanframondi BN 18 5078 160099
Montesarchio BN 18 13500 173599
Pietradefusi AV 18 2348 175947
Bonea BN 18 1448 177395
Santa Paolina AV 18 1256 178651
Venticano AV 19 2537 181188
Roccabascerana AV 19 2354 183542
Tufo AV 19 889 184431
Casalbore AV 19 1800 186231
Solopaca BN 19 3820 190051
Altavilla Irpina AV 19 4196 194247
Circello BN 20 2388 196635
San Martino Valle Caudina AV 20 4884 201519
Pannarano BN 20 2130 203649

Municipalities with at least 50000 inhabitants

An earthquake occurred to
6 Km N of Benevento (60091 inhabitants)
30 Km N of Avellino (54857 inhabitants)
40 Km E of Caserta (76326 inhabitants)
43 Km NE of Acerra (59573 inhabitants)
49 Km NE of Afragola (65057 inhabitants)
51 Km NE of Casoria (77642 inhabitants)
53 Km NE of Scafati (50787 inhabitants)
54 Km NE of Portici (55274 inhabitants)
54 Km E of Aversa (53047 inhabitants)
54 Km N of Cava de' Tirreni (53659 inhabitants)
55 Km NE of Ercolano (53709 inhabitants)
56 Km N of Salerno (135261 inhabitants)
56 Km NE of Torre del Greco (86275 inhabitants)
56 Km NE of Giugliano in Campania (122974 inhabitants)
59 Km NE of Napoli (974074 inhabitants)
59 Km NE of Marano di Napoli (59874 inhabitants)
60 Km NE of Castellammare di Stabia (66466 inhabitants)
66 Km N of Battipaglia (50786 inhabitants)
69 Km NE of Pozzuoli (81661 inhabitants)
71 Km W of Foggia (151991 inhabitants)
75 Km SW of San Severo (53905 inhabitants)
94 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
17:56:57		 41.1808 14.7853 11 2020-11-19
12:37:05		 Bollettino Sismico Italiano INGV 84153291
Reviewed
Rev100 		ML 1.5 2020-08-12
17:56:57		 41.1918 14.7785 9 2020-08-12
18:05:50		 Sala Sismica INGV-Roma 81914981
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-08-12 17:56:57 ± 0.09
Latitude 41.1808 ± 0.0063
Longitude 14.7853 ± 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 84153291

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 802
Semi-minor axis of confidence ellipse (meter) 195
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 39
Circular confidence region, given by single value of horizontal uncertainty (meter) 800.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 74
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 25
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) 0.04676
Epicentral distance of station farthest from the epicenter (degree) 0.43887
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 84153291
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-10-26 12:01:03

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 81914981
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-08-12 18:05:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IX.NSC3.HNZ.02 2020-08-12T17:57:12.44 0.6 undecidable manual S 143 46.5201 50 0.09 48
IV.SNAL.HHZ. 2020-08-12T17:57:12.19 0.6 undecidable manual S 129 45.4212 50 0.16 47
IV.CAFE.HNZ. 2020-08-12T17:57:11.34 0.6 undecidable manual S 114 41.3253 50 0.38 45
IV.BSSO.HNE. 2020-08-12T17:57:11.79 0.6 undecidable manual S 339 43.5231 50 0.25 47
IX.RSF3.HNZ.02 2020-08-12T17:57:10.56 0.3 undecidable manual S 126 40.5261 50 -0.18 71
IV.PTRJ.HHZ. 2020-08-12T17:57:07.90 0.6 undecidable manual S 314 29.5482 50 0.11 49
IV.BSSO.HNE. 2020-08-12T17:57:06.07 0.3 undecidable manual P 339 43.5231 50 0.53 66
IV.PAOL.HNZ. 2020-08-12T17:57:06.64 0.3 undecidable manual S 228 24.6531 50 0.14 74
IV.SGTA.HNZ. 2020-08-12T17:57:06.65 0.3 undecidable manual P 96 48.7179 50 0.31 68
IV.SACR.HHZ. 2020-08-12T17:57:06.44 0.3 undecidable manual S 345 24.9528 50 -0.13 74
IX.RSF3.HNZ.02 2020-08-12T17:57:05.69 0.1 undecidable manual P 126 40.5261 50 0.61 85
IV.SGG.HNZ. 2020-08-12T17:57:05.62 0.6 undecidable manual P 304 40.8258 50 0.5 44
IX.NSC3.HNZ.02 2020-08-12T17:57:05.65 0.1 undecidable manual P 143 46.5201 50 -0.36 91
IV.SNAL.HHZ. 2020-08-12T17:57:05.36 0.1 undecidable manual P 129 45.4212 50 -0.47 89
IV.CAFE.HNZ. 2020-08-12T17:57:05.09 0.3 undecidable manual P 114 41.3253 50 -0.12 72
IX.MNT3.HHZ.02 2020-08-12T17:57:04.42 0.3 undecidable manual P 154 42.4242 50 -0.94 55
IV.MRB1.HHZ. 2020-08-12T17:57:04.69 0.3 undecidable manual S 113 16.5723 123 0.52 69
IV.VITU.HHZ. 2020-08-12T17:57:03.52 0.6 undecidable manual S 271 12.9759 129 0.37 48
IV.PTRJ.HHZ. 2020-08-12T17:57:03.14 0.1 undecidable manual P 314 29.5482 50 -0.24 96
IV.SACR.HHZ. 2020-08-12T17:57:02.50 0.1 undecidable manual P 345 24.9528 50 -0.17 98
IV.PAOL.HNZ. 2020-08-12T17:57:02.43 0.1 undecidable manual P 228 24.6531 50 -0.2 97
IV.MRB1.HHZ. 2020-08-12T17:57:01.47 0.1 undecidable manual P 113 16.5723 123 0.18 99
IV.PSB1.HHZ. 2020-08-12T17:57:00.94 0.3 undecidable manual S 24 5.1948 154 -0.49 71
IV.VITU.HHZ. 2020-08-12T17:57:00.87 0.1 undecidable manual P 271 12.9759 129 0.17 100
IV.PSB1.HHZ. 2020-08-12T17:56:59.46 0.1 undecidable manual P 24 5.1948 154 -0.25 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PSB1.HNE. ML:1.4 0.0004160153 0.1792 AML other m 2020-08-12T17:57:02.55
IV.PSB1.HHN. ML:1.4 0.0003771667 0.3072 AML other m 2020-08-12T17:57:01.18
IV.PSB1.HNN. ML:1.4 0.00035898375 0.3072 AML other m 2020-08-12T17:57:01.03
IV.PSB1.HHE. ML:1.4 0.00043439215 0.1792 AML other m 2020-08-12T17:57:02.55
IV.VITU.HHN. ML:1.6 0.0004477301 0.2432 AML other m 2020-08-12T17:57:07.26
IV.VITU.HNN. ML:1.6 0.00040895365 0.2944 AML other m 2020-08-12T17:57:07.26
IV.VITU.HHE. ML:1.6 0.0004390868 0.3328 AML other m 2020-08-12T17:57:05.25
IV.MRB1.HNE. ML:1.5 0.00027601700000000004 0.3456 AML other m 2020-08-12T17:57:11.29
IV.MRB1.HHN. ML:1.7 0.00042546885 0.32 AML other m 2020-08-12T17:57:08.75
IV.MRB1.HHE. ML:1.4 0.0002220564 0.32 AML other m 2020-08-12T17:57:11.12
IV.MRB1.HNN. ML:1.7 0.0004287049 0.3072 AML other m 2020-08-12T17:57:08.76
IV.SACR.HNN. ML:0.8 0.000039949965000000006 0.384 AML other m 2020-08-12T17:57:08.65
IV.SACR.HHE. ML:1.0 0.0000585559 0.2944 AML other m 2020-08-12T17:57:08.86
IV.SACR.HHN. ML:0.8 0.000041282479999999995 0.384 AML other m 2020-08-12T17:57:08.65
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