Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 21-03-2020 and time 21:37:52 (Italy) in region 1 km SE San Leucio del Sannio (BN)

A magnitude ML 1.4 earthquake occured in region: 1 km SE San Leucio del Sannio (BN), on

  • 21-03-2020 20:37:52 (UTC)
  • 21-03-2020 21:37:52 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.0670, 14.7660 at 16 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
San Leucio del Sannio BN 1 3106 3106
Ceppaloni BN 2 3415 6521
Sant'Angelo a Cupolo BN 3 4325 10846
Chianche AV 3 475 11321
Arpaise BN 4 761 12082
Petruro Irpino AV 5 349 12431
San Nicola Manfredi BN 5 3722 16153
Torrioni AV 5 549 16702
Apollosa BN 6 2658 19360
San Martino Sannita BN 6 1230 20590
Roccabascerana AV 7 2354 22944
Altavilla Irpina AV 7 4196 27140
Benevento BN 7 60091 87231
San Giorgio del Sannio BN 8 10022 97253
San Nazzaro BN 8 884 98137
Tufo AV 8 889 99026
Pannarano BN 8 2130 101156
Montefusco AV 8 1338 102494
Santa Paolina AV 8 1256 103750
Calvi BN 9 2682 106432
Pietrastornina AV 9 1553 107985
San Martino Valle Caudina AV 10 4884 112869
Castelpoto BN 10 1254 114123
Sant'Angelo a Scala AV 10 730 114853
Montesarchio BN 10 13500 128353
Grottolella AV 11 1869 130222
Prata di Principato Ultra AV 11 2944 133166
Pietradefusi AV 11 2348 135514
Pratola Serra AV 12 3764 139278
Campoli del Monte Taburno BN 12 1546 140824
Bonea BN 12 1448 142272
Capriglia Irpina AV 12 2398 144670
Montefredane AV 12 2297 146967
Foglianise BN 13 3385 150352
Tocco Caudio BN 13 1508 151860
Summonte AV 13 1583 153443
Venticano AV 13 2537 155980
Montemiletto AV 13 5313 161293
Cervinara AV 13 9658 170951
Torre Le Nocelle AV 13 1324 172275
Cautano BN 14 2044 174319
Ospedaletto d'Alpinolo AV 14 2145 176464
Rotondi AV 15 3591 180055
Torrecuso BN 15 3407 183462
Apice BN 15 5686 189148
Montefalcione AV 15 3359 192507
Paduli BN 15 3978 196485
Vitulano BN 15 2944 199429
Manocalzati AV 16 3160 202589
Paolisi BN 16 2072 204661
Pietrelcina BN 16 3114 207775
Mercogliano AV 16 12267 220042
Bucciano BN 16 2100 222142
Candida AV 17 1147 223289
Paupisi BN 17 1633 224922
Quadrelle AV 17 1865 226787
Airola BN 17 8195 234982
Avellino AV 17 54857 289839
Mugnano del Cardinale AV 17 5373 295212
Sirignano AV 17 2933 298145
Taurasi AV 18 2377 300522
Atripalda AV 18 11020 311542
Ponte BN 18 2580 314122
Lapio AV 18 1572 315694
San Potito Ultra AV 18 1558 317252
Baiano AV 18 4718 321970
Parolise AV 18 663 322633
Arpaia BN 18 1992 324625
Avella AV 18 7890 332515
Moiano BN 18 4094 336609
Sant'Arcangelo Trimonte BN 19 573 337182
Sperone AV 19 3706 340888
Pesco Sannita BN 19 1972 342860
Mirabella Eclano AV 19 7684 350544
Forchia BN 20 1235 351779
Sorbo Serpico AV 20 583 352362
Chiusano di San Domenico AV 20 2277 354639
Salza Irpina AV 20 772 355411
Cesinali AV 20 2584 357995
Roccarainola NA 20 7082 365077
Fragneto Monforte BN 20 1840 366917
Monteforte Irpino AV 20 11467 378384

Municipalities with at least 50000 inhabitants

An earthquake occurred to
7 Km S of Benevento (60091 inhabitants)
17 Km N of Avellino (54857 inhabitants)
36 Km E of Acerra (59573 inhabitants)
36 Km E of Caserta (76326 inhabitants)
41 Km NE of Scafati (50787 inhabitants)
41 Km N of Cava de' Tirreni (53659 inhabitants)
41 Km E of Afragola (65057 inhabitants)
43 Km N of Salerno (135261 inhabitants)
44 Km E of Casoria (77642 inhabitants)
44 Km NE of Portici (55274 inhabitants)
45 Km NE of Ercolano (53709 inhabitants)
46 Km NE of Torre del Greco (86275 inhabitants)
48 Km NE of Castellammare di Stabia (66466 inhabitants)
48 Km E of Aversa (53047 inhabitants)
50 Km E of Giugliano in Campania (122974 inhabitants)
50 Km NE of Napoli (974074 inhabitants)
52 Km E of Marano di Napoli (59874 inhabitants)
54 Km NW of Battipaglia (50786 inhabitants)
62 Km E of Pozzuoli (81661 inhabitants)
79 Km SW of Foggia (151991 inhabitants)
86 Km SW of San Severo (53905 inhabitants)
98 Km W of Cerignola (58396 inhabitants)
100 Km W 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 1.4 2020-03-21
20:37:52		 41.0672 14.7657 16 2020-07-18
21:08:28		 Bollettino Sismico Italiano INGV 77564401
Reviewed
Rev100 		ML 1.4 2020-03-21
20:37:52		 41.0752 14.7833 15 2020-03-21
20:45:44		 Sala Sismica INGV-Roma 77444711
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-03-21 20:37:52 ± 0.11
Latitude 41.0672 ± 0.0063
Longitude 14.7657 ± 0.0072
Depth (km) 16 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 77564401

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 770
Semi-minor axis of confidence ellipse (meter) 143
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 224
Circular confidence region, given by single value of horizontal uncertainty (meter) 770.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 58
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 32
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) 0.06295
Epicentral distance of station farthest from the epicenter (degree) 0.52970
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 20
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 77444711
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-03-21 20:45:44

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 77564401
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-04-02 11:37:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MCRV.HHN. 2020-03-21T20:38:07.73 0.6 undecidable manual S 133 46.2204 99 0.12 50
IV.SNAL.HNE. 2020-03-21T20:38:06.88 0.6 undecidable manual S 113 40.3263 101 0.83 41
IX.NSC3.HHZ.02 2020-03-21T20:38:05.68 0.6 undecidable manual S 129 38.628 101 0.08 51
IX.MNT3.HHZ.02 2020-03-21T20:38:03.60 0.3 undecidable manual S 142 32.5452 104 -0.43 72
IV.VAGA.HHZ. 2020-03-21T20:38:03.41 0.3 undecidable manual P 311 58.7967 96 0.18 72
IV.PIGN.HNE. 2020-03-21T20:38:02.28 0.3 undecidable manual P 287 51.1155 98 0.23 72
IV.MTMR.EHZ. 2020-03-21T20:38:01.70 0.3 undecidable manual S 130 25.752 110 -0.6 69
IX.LGS3.HNZ.01 2020-03-21T20:38:01.20 0.3 undecidable manual S 115 20.868 117 0.11 78
IV.MRB1.HHZ. 2020-03-21T20:38:01.10 0.3 undecidable manual S 70 17.9709 122 0.67 68
IV.VBKN.HHZ. 2020-03-21T20:38:00.58 0.3 undecidable manual P 227 38.5281 101 0.44 70
IV.PSB1.HHZ. 2020-03-21T20:38:00.80 0.6 undecidable manual S 12 17.7711 122 0.43 49
IV.SNAL.HNE. 2020-03-21T20:38:00.29 0.1 undecidable manual P 113 40.3263 101 -0.12 100
IV.SACR.HNN. 2020-03-21T20:38:00.29 0.3 undecidable manual P 352 36.9297 102 0.38 72
IV.MCRV.HHN. 2020-03-21T20:38:00.77 0.1 undecidable manual P 133 46.2204 99 -0.53 90
IV.PAOL.HHZ. 2020-03-21T20:38:00.45 0.3 undecidable manual S 257 17.0718 124 0.24 76
IV.VCRE.HHZ. 2020-03-21T20:38:00.57 0.3 undecidable manual P 226 39.2274 101 0.32 72
IX.SSB3.HNE.02 2020-03-21T20:38:00.69 0.3 undecidable manual P 88 38.8278 101 0.51 70
IT.AVL.HNZ. 2020-03-21T20:38:00.49 0.3 undecidable manual S 174 16.0728 126 0.49 72
IX.NSC3.HHZ.02 2020-03-21T20:37:59.96 0.3 undecidable manual P 129 38.628 101 -0.19 74
IV.PTRJ.HNN. 2020-03-21T20:37:59.96 0.3 undecidable manual P 329 38.4282 101 -0.16 75
IV.VITU.HHZ. 2020-03-21T20:37:59.80 0.3 undecidable manual S 319 17.1717 123 -0.44 74
IX.BENI.HNZ.01 2020-03-21T20:37:58.00 0.3 undecidable manual S 4 6.993 152 -0.39 76
IX.MNT3.HHZ.02 2020-03-21T20:37:58.84 0.3 undecidable manual P 142 32.5452 104 -0.4 72
IV.NL9.EHZ. 2020-03-21T20:37:58.18 0.6 undecidable manual P 229 24.6531 111 0.1 52
IX.LGS3.HNZ.01 2020-03-21T20:37:57.68 0.3 undecidable manual P 115 20.868 117 0.13 78
IT.AVL.HNZ. 2020-03-21T20:37:57.03 0.6 undecidable manual P 174 16.0728 126 0.11 52
IV.MRB1.HHZ. 2020-03-21T20:37:57.39 0.3 undecidable manual P 70 17.9709 122 0.22 77
IV.MTMR.EHZ. 2020-03-21T20:37:57.86 0.3 undecidable manual P 130 25.752 110 -0.39 73
IV.PSB1.HHZ. 2020-03-21T20:37:57.29 0.3 undecidable manual P 12 17.7711 122 0.16 78
IV.PAOL.HHZ. 2020-03-21T20:37:56.83 0.3 undecidable manual P 257 17.0718 124 -0.21 77
IV.VITU.HHZ. 2020-03-21T20:37:56.46 0.3 undecidable manual P 319 17.1717 123 -0.59 70
IX.BENI.HNZ.01 2020-03-21T20:37:55.64 0.3 undecidable manual P 4 6.993 152 -0.34 76
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PSB1.HHE. ML:0.9 0.00005210791000000001 0.2048 AML other m 2020-03-21T20:38:01.43
IV.PAOL.HHE. ML:1.2 0.0001115 0.44 AML other m 2020-03-21T20:38:01.52
IV.PAOL.HHN. ML:1.4 0.00016049999999999997 0.66 AML other m 2020-03-21T20:38:01.65
IV.VITU.HHN. ML:1.4 0.0001725 0.8 AML other m 2020-03-21T20:38:03.45
IV.MTMR.EHE. ML:1.0 0.00004865 0.16 AML other m 2020-03-21T20:38:03.05
IV.MRB1.HHN. ML:1.2 0.0001105 0.38 AML other m 2020-03-21T20:38:03.37
IV.VITU.HHE. ML:1.5 0.0002285 0.34 AML other m 2020-03-21T20:38:04.43
IX.MNT3.HHE.02 ML:1.4 0.0000901 0.08 AML other m 2020-03-21T20:38:04.43
IV.MTMR.EHN. ML:1.2 0.00007725 0.42 AML other m 2020-03-21T20:38:04.63
IV.MRB1.HHE. ML:1.3 0.00013419999999999998 0.92 AML other m 2020-03-21T20:38:04.92
IX.MNT3.HHN.02 ML:1.6 0.00015099999999999998 1.08 AML other m 2020-03-21T20:38:06.94
IV.PSB1.HHN. ML:0.7 0.000033858915 0.576 AML other m 2020-03-21T20:38:07.32
IV.VBKN.HHE. ML:1.6 0.0001444644 0.1792 AML other m 2020-03-21T20:38:09.25
IV.VCRE.HHE. ML:1.7 0.00016499999999999997 1.5 AML other m 2020-03-21T20:38:10.76
IV.VBKN.HHN. ML:1.6 0.0001307563 0.256 AML other m 2020-03-21T20:38:10.41
IV.VCRE.HHN. ML:1.6 0.0001303 1.18 AML other m 2020-03-21T20:38:19.90
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