Earthquake with magnitude of ML 1.2 on date 20-08-2021 and time 03:53:15 (Italy) in region 4 km SE Pago Veiano (BN)

A magnitude ML 1.2 earthquake occured in region: 4 km SE Pago Veiano (BN), on

  • 20-08-2021 01:53:15 (UTC)
  • 20-08-2021 03:53:15 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.221, 14.911 at 14 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Pago Veiano BN 4 2406 2406
Buonalbergo BN 6 1730 4136
San Giorgio La Molara BN 6 2994 7130
Pietrelcina BN 6 3114 10244
Paduli BN 6 3978 14222
Sant'Arcangelo Trimonte BN 6 573 14795
Casalbore AV 8 1800 16595
Molinara BN 8 1618 18213
Pesco Sannita BN 8 1972 20185
San Marco dei Cavoti BN 10 3371 23556
Montecalvo Irpino AV 11 3725 27281
Reino BN 11 1210 28491
Apice BN 11 5686 34177
Fragneto l'Abate BN 11 1049 35226
Fragneto Monforte BN 13 1840 37066
Ginestra degli Schiavoni BN 13 476 37542
Montefalcone di Val Fortore BN 14 1525 39067
Benevento BN 15 60091 99158
Bonito AV 15 2448 101606
Foiano di Val Fortore BN 16 1410 103016
Campolattaro BN 17 1072 104088
Castelfranco in Miscano BN 17 916 105004
Ariano Irpino AV 17 22700 127704
Calvi BN 17 2682 130386
Colle Sannita BN 17 2431 132817
Circello BN 17 2388 135205
Melito Irpino AV 18 1920 137125
San Nicola Manfredi BN 18 3722 140847
San Giorgio del Sannio BN 18 10022 150869
San Martino Sannita BN 18 1230 152099
Ponte BN 18 2580 154679
Casalduni BN 19 1378 156057
Sant'Angelo a Cupolo BN 19 4325 160382
Venticano AV 19 2537 162919
Torrecuso BN 20 3407 166326
San Nazzaro BN 20 884 167210
Castelpoto BN 20 1254 168464
Pontelandolfo BN 20 2167 170631

Municipalities with at least 50000 inhabitants

An earthquake occurred to
15 Km NE of Benevento (60091 inhabitants)
35 Km N of Avellino (54857 inhabitants)
51 Km E of Caserta (76326 inhabitants)
55 Km NE of Acerra (59573 inhabitants)
59 Km W of Foggia (151991 inhabitants)
60 Km NE of Afragola (65057 inhabitants)
60 Km N of Cava de' Tirreni (53659 inhabitants)
62 Km N of Salerno (135261 inhabitants)
62 Km NE of Scafati (50787 inhabitants)
63 Km NE of Casoria (77642 inhabitants)
64 Km NE of Portici (55274 inhabitants)
65 Km SW of San Severo (53905 inhabitants)
65 Km E of Aversa (53047 inhabitants)
66 Km NE of Ercolano (53709 inhabitants)
66 Km NE of Torre del Greco (86275 inhabitants)
68 Km E of Giugliano in Campania (122974 inhabitants)
68 Km N of Battipaglia (50786 inhabitants)
69 Km NE of Castellammare di Stabia (66466 inhabitants)
70 Km NE of Napoli (974074 inhabitants)
70 Km NE of Marano di Napoli (59874 inhabitants)
80 Km NE of Pozzuoli (81661 inhabitants)
83 Km W of Cerignola (58396 inhabitants)
96 Km W of Manfredonia (57279 inhabitants)
99 Km NW of Potenza (67122 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 1.2 2021-08-20
01:53:15
41.2213 14.911 14 2021-12-29
11:12:52
Bollettino Sismico Italiano INGV 98138041
Reviewed
Rev100
ML 1.2 2021-08-20
01:53:15
41.1905 14.8427 16 2021-08-20
02:04:11
Sala Sismica INGV-Roma 94395211
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-08-20 01:53:15 ± 0.19
Latitude 41.2213 ± 0.0099
Longitude 14.9110 ± 0.0132
Depth (km) 14 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 98138041

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1362
Semi-minor axis of confidence ellipse (meter) 232
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 43
Circular confidence region, given by single value of horizontal uncertainty (meter) 1360
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 110
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.39
Epicentral distance of station closest to the epicenter (degree) 0.07554
Epicentral distance of station farthest from the epicenter (degree) 0.51081
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:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 94395211
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-08-20 02:04:11

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 98138041
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-12-04 17:18:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.MELA.HHZ. 2021-08-20T01:53:34.36 0.6 undecidable manual S 18 0.5108 94 1.52 28
IV.SNAL.HHZ. 2021-08-20T01:53:29.53 0.6 undecidable manual S 143 0.3714 96 0.8 41
IX.RSF3.HNE.02 2021-08-20T01:53:27.65 0.6 undecidable manual S 142 0.3256 97 0.28 49
IV.SACR.HHZ. 2021-08-20T01:53:25.36 0.6 undecidable manual S 319 0.2338 102 0.66 45
IV.MELA.HHZ. 2021-08-20T01:53:25.16 0.3 undecidable manual P 18 0.5108 94 -0.24 71
IV.MCRV.HHZ. 2021-08-20T01:53:24.44 0.3 undecidable manual P 156 0.4793 94 -0.43 69
IV.VITU.HHZ. 2021-08-20T01:53:24.97 0.6 undecidable manual S 260 0.2149 104 0.82 42
IV.BSSO.HHE. 2021-08-20T01:53:23.32 0.3 undecidable manual P 324 0.402 95 -0.23 73
IV.SNAL.HHZ. 2021-08-20T01:53:22.80 0.1 negative manual P 143 0.3714 96 -0.22 98
IV.MRB1.HHZ. 2021-08-20T01:53:21.86 0.6 undecidable manual S 156 0.1079 129 0.58 46
IV.CAFE.HHZ. 2021-08-20T01:53:21.97 0.3 undecidable manual P 128 0.3121 98 -0.05 77
IX.RSF3.HNE.02 2021-08-20T01:53:21.90 0.3 undecidable manual P 142 0.3256 97 -0.34 72
IV.VITU.HHZ. 2021-08-20T01:53:20.26 0.3 undecidable manual P 260 0.2149 104 -0.12 78
IV.PSB1.HHZ. 2021-08-20T01:53:20.08 0.6 undecidable manual S 272 0.0755 141 -0.52 49
IV.SACR.HHZ. 2021-08-20T01:53:20.51 0.3 undecidable manual P 319 0.2338 102 -0.19 76
IX.BENI.HNZ.01 2021-08-20T01:53:19.45 0.3 undecidable manual P 229 0.1394 119 0.28 76
IV.MRB1.HHZ. 2021-08-20T01:53:18.83 0.3 undecidable manual P 156 0.1079 129 0.11 79
IV.PSB1.HHZ. 2021-08-20T01:53:17.91 0.1 positive manual P 272 0.0755 141 -0.42 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PSB1.HHN. ML:1.5 0.000372 0.56 AML other m 2021-08-20T01:53:20.21
IV.PSB1.HHE. ML:1.3 0.0002105 0.18 AML other m 2021-08-20T01:53:20.75
IV.MRB1.HHN. ML:1.5 0.000297 0.92 AML other m 2021-08-20T01:53:23.69
IV.MRB1.HHE. ML:1.6 0.0004215 0.42 AML other m 2021-08-20T01:53:23.57
IV.VITU.HHN. ML:1.2 8.05E-5 0.56 AML other m 2021-08-20T01:53:26.57
IV.VITU.HHE. ML:1.2 7.78E-5 0.28 AML other m 2021-08-20T01:53:27.73
IV.SACR.HHE. ML:0.8 3.325E-5 1.48 AML other m 2021-08-20T01:53:28.00
IV.SNAL.HHN. ML:1.2 5.275E-5 0.46 AML other m 2021-08-20T01:53:30.19
IV.SNAL.HHE. ML:1.2 4.59E-5 1.5 AML other m 2021-08-20T01:53:30.97
IV.SACR.HHN. ML:0.8 3.59E-5 0.42 AML other m 2021-08-20T01:53:33.28
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