Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 25-03-2021 and time 23:21:51 (Italy) in region 2 km SE Arpaia (BN)

A magnitude ML 2.2 earthquake occured in region: 2 km SE Arpaia (BN), on

  • 25-03-2021 22:21:51 (UTC)
  • 25-03-2021 23:21:51 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.0250, 14.5640 at 6 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
Arpaia BN 2 1992 1992
Paolisi BN 2 2072 4064
Forchia BN 2 1235 5299
Rotondi AV 3 3591 8890
Cervinara AV 5 9658 18548
Airola BN 5 8195 26743
Arienzo CE 6 5365 32108
Roccarainola NA 6 7082 39190
Bucciano BN 6 2100 41290
Moiano BN 6 4094 45384
Cicciano NA 7 12906 58290
San Felice a Cancello CE 7 17568 75858
Bonea BN 7 1448 77306
Tufino NA 8 3776 81082
Avella AV 8 7890 88972
Montesarchio BN 8 13500 102472
Comiziano NA 8 1814 104286
Camposano NA 8 5333 109619
Santa Maria a Vico CE 8 14022 123641
San Martino Valle Caudina AV 9 4884 128525
Sperone AV 9 3706 132231
Sant'Agata de' Goti BN 9 11216 143447
Baiano AV 9 4718 148165
Cimitile NA 10 7280 155445
Sirignano AV 10 2933 158378
Casamarciano NA 10 3289 161667
Quadrelle AV 11 1865 163532
Durazzano BN 11 2230 165762
Nola NA 11 34431 200193
Visciano NA 11 4454 204647
Mugnano del Cardinale AV 12 5373 210020
Pannarano BN 12 2130 212150
Cervino CE 12 5031 217181
San Paolo Bel Sito NA 13 3513 220694
Tocco Caudio BN 13 1508 222202
Roccabascerana AV 13 2354 224556
San Vitaliano NA 13 6461 231017
Saviano NA 13 15982 246999
Liveri NA 14 1607 248606
Scisciano NA 14 5994 254600
Campoli del Monte Taburno BN 14 1546 256146
Valle di Maddaloni CE 14 2742 258888
Marzano di Nola AV 14 1727 260615
Apollosa BN 14 2658 263273
Marigliano NA 14 30157 293430
Pietrastornina AV 14 1553 294983
Pago del Vallo di Lauro AV 15 1830 296813
Frasso Telesino BN 15 2318 299131
Mariglianella NA 15 7787 306918
Maddaloni CE 15 39166 346084
Arpaise BN 15 761 346845
Cautano BN 15 2044 348889
Dugenta BN 15 2798 351687
Sant'Angelo a Scala AV 16 730 352417
Melizzano BN 16 1858 354275
Domicella AV 16 1862 356137
Brusciano NA 17 16466 372603
Carbonara di Nola NA 17 2429 375032
Ceppaloni BN 17 3415 378447
Taurano AV 17 1546 379993
Lauro AV 17 3509 383502
San Leucio del Sannio BN 17 3106 386608
Castelpoto BN 17 1254 387862
Foglianise BN 17 3385 391247
Palma Campania NA 18 15978 407225
Summonte AV 18 1583 408808
Castello di Cisterna NA 18 7869 416677
Vitulano BN 18 2944 419621
Ospedaletto d'Alpinolo AV 18 2145 421766
Altavilla Irpina AV 18 4196 425962
Acerra NA 18 59573 485535
San Gennaro Vesuviano NA 18 11966 497501
Moschiano AV 19 1673 499174
San Marco Evangelista CE 19 6532 505706
Mercogliano AV 19 12267 517973
Solopaca BN 19 3820 521793
Chianche AV 19 475 522268
Limatola BN 19 4073 526341
Pomigliano d'Arco NA 19 39922 566263
Capriglia Irpina AV 19 2398 568661
Quindici AV 19 1938 570599
Petruro Irpino AV 20 349 570948
Monteforte Irpino AV 20 11467 582415
Grottolella AV 20 1869 584284
San Nicola la Strada CE 20 22448 606732
Castel Campagnano CE 20 1581 608313

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km E of Acerra (59573 inhabitants)
20 Km E of Caserta (76326 inhabitants)
22 Km SW of Benevento (60091 inhabitants)
23 Km NW of Avellino (54857 inhabitants)
24 Km E of Afragola (65057 inhabitants)
27 Km NE of Casoria (77642 inhabitants)
28 Km NE of Portici (55274 inhabitants)
30 Km NE of Ercolano (53709 inhabitants)
31 Km E of Aversa (53047 inhabitants)
31 Km N of Scafati (50787 inhabitants)
31 Km NE of Torre del Greco (86275 inhabitants)
32 Km E of Giugliano in Campania (122974 inhabitants)
33 Km NE of Napoli (974074 inhabitants)
34 Km E of Marano di Napoli (59874 inhabitants)
37 Km N of Castellammare di Stabia (66466 inhabitants)
38 Km NW of Cava de' Tirreni (53659 inhabitants)
42 Km NW of Salerno (135261 inhabitants)
44 Km E of Pozzuoli (81661 inhabitants)
58 Km NW of Battipaglia (50786 inhabitants)
95 Km SW of Foggia (151991 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 2.2 2021-03-25
22:21:51		 41.0253 14.5642 6 2021-07-12
16:55:05		 Bollettino Sismico Italiano INGV 89052441
Reviewed
Rev100 		ML 2.2 2021-03-25
22:21:52		 41.0277 14.5535 5 2021-03-25
22:50:11		 Sala Sismica INGV-Roma 88471011
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-25 22:21:51 ± 0.08
Latitude 41.0253 ± 0.0045
Longitude 14.5642 ± 0.0072
Depth (km) 6 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 89052441

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 604
Semi-minor axis of confidence ellipse (meter) 182
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 125
Circular confidence region, given by single value of horizontal uncertainty (meter) 600.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 63
Number of associated phases, regardless of their use for origin computation 45
Number of defining phases 45
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.38
Epicentral distance of station closest to the epicenter (degree) 0.00630
Epicentral distance of station farthest from the epicenter (degree) 1.33010
Number of stations at which the event was observed 34
Number of stations from which data was used for origin computation 34
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 50
Type of magnitude ML
Reference to an origin 89052441
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-05-14 13:09:36

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 50
Type of magnitude ML
Reference to an origin 88471011
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-03-25 22:50:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OT.OT14.EHZ. 2021-03-25T22:22:17.44 0.3 undecidable manual P 49 147.6411 50 0.6 51
IV.MSAG.HHZ. 2021-03-25T22:22:15.57 0.6 undecidable manual P 55 135.4644 50 0.61 35
IV.SGRT.HHZ. 2021-03-25T22:22:14.56 0.3 undecidable manual P 50 127.1727 50 0.88 48
OT.OT05.EHZ. 2021-03-25T22:22:11.32 0.6 undecidable manual P 51 111.4995 50 0.06 42
IX.MNT3.HHZ.02 2021-03-25T22:22:07.59 0.3 undecidable manual S 119 42.5241 97 0.73 60
IV.MRLC.HHZ. 2021-03-25T22:22:06.74 0.6 undecidable manual P 111 83.0502 50 -0.15 44
IV.PIGN.HHZ. 2021-03-25T22:22:03.85 0.6 undecidable manual S 301 37.5291 98 -1.27 31
IV.BSSO.HHZ. 2021-03-25T22:22:02.75 0.6 undecidable manual P 2 57.7977 50 -0.25 45
IX.CMP3.HHE. 2021-03-25T22:22:02.64 0.3 undecidable manual P 134 59.8956 50 -0.68 59
IV.VEPO.HHE. 2021-03-25T22:22:02.53 1.0 undecidable manual S 218 30.8469 100 -0.31 23
IV.VAGA.HHZ. 2021-03-25T22:22:01.79 0.3 undecidable manual P 328 51.3153 50 -0.2 69
IV.COLB.HHZ. 2021-03-25T22:22:01.42 0.6 undecidable manual P 237 41.8248 98 1.01 35
IV.OVO.HHN. 2021-03-25T22:22:01.84 0.6 undecidable manual S 213 26.0517 102 0.64 43
IV.CAAM.HHZ. 2021-03-25T22:22:01.42 0.6 undecidable manual P 237 42.1245 98 0.94 36
IV.SNAL.HHZ. 2021-03-25T22:22:01.89 0.1 undecidable manual P 101 55.1004 50 -0.69 79
IV.VVDG.HHE. 2021-03-25T22:22:01.26 0.6 undecidable manual S 209 24.1536 103 0.71 41
IV.VPOB.HHE. 2021-03-25T22:22:01.11 0.6 undecidable manual S 218 24.4533 103 0.44 46
IV.CSOB.HHE. 2021-03-25T22:22:00.58 0.6 undecidable manual P 238 41.4252 98 0.23 46
IV.SGG.HHZ. 2021-03-25T22:22:00.72 0.3 undecidable manual P 339 42.9237 97 0.08 71
IV.VCRE.HHZ. 2021-03-25T22:22:00.71 0.6 undecidable manual S 206 25.4523 102 -0.29 47
IV.SACR.HHZ. 2021-03-25T22:22:00.56 0.3 undecidable manual P 16 42.9237 97 -0.07 71
IX.NSC3.HHE.02 2021-03-25T22:22:00.98 0.3 undecidable manual P 113 50.8158 50 -0.93 54
IX.LGS3.HNE.01 2021-03-25T22:21:59.50 0.3 undecidable manual P 97 35.9418 99 0.25 70
IT.AVL.HNE. 2021-03-25T22:21:59.63 0.6 undecidable manual S 121 21.867 104 -0.16 49
IX.MNT3.HHZ.02 2021-03-25T22:21:59.92 0.1 undecidable manual P 119 42.5241 97 -0.64 82
IV.PTRJ.HNE. 2021-03-25T22:21:59.59 0.3 undecidable manual P 356 37.7289 98 0 73
IV.MRB1.HHZ. 2021-03-25T22:21:59.43 0.3 undecidable manual P 72 35.4423 99 0.28 69
IV.VITU.HHZ. 2021-03-25T22:21:59.47 0.6 undecidable manual S 17 18.3705 107 0.85 39
IV.PSB1.HNN. 2021-03-25T22:21:58.54 0.3 undecidable manual P 43 30.1476 100 0.44 68
IV.VEPO.HHE. 2021-03-25T22:21:58.23 0.3 undecidable manual P 218 30.8469 100 -0.01 74
IV.PIGN.HHZ. 2021-03-25T22:21:58.73 0.3 undecidable manual P 301 37.5291 98 -0.83 58
IV.VCRE.HHZ. 2021-03-25T22:21:57.22 0.3 undecidable manual P 206 25.4523 102 0.04 74
IV.OVO.HHN. 2021-03-25T22:21:57.38 0.3 undecidable manual P 213 26.0517 102 0.08 73
IV.VTIR.HHZ. 2021-03-25T22:21:57.44 0.3 undecidable manual P 206 27.0507 102 -0.05 74
IV.CRTO.HHZ. 2021-03-25T22:21:57.45 0.3 undecidable manual P 208 25.5522 102 0.25 71
IV.VPOB.HHE. 2021-03-25T22:21:57.30 0.1 undecidable manual P 218 24.4533 103 0.31 94
IV.VBKN.HHZ. 2021-03-25T22:21:56.91 0.1 undecidable manual P 207 24.4533 103 -0.07 98
IV.NL9.EHZ. 2021-03-25T22:21:56.21 0.6 undecidable manual S 188 11.7771 115 -0.26 48
IX.BENI.HNZ. 2021-03-25T22:21:56.95 0.3 undecidable manual P 56 20.868 105 0.67 64
IT.AVL.HNE. 2021-03-25T22:21:56.08 0.3 undecidable manual P 121 21.867 104 -0.4 69
IV.VVDG.HHE. 2021-03-25T22:21:56.95 0.3 undecidable manual P 209 24.1536 103 0.03 74
IV.VITU.HHZ. 2021-03-25T22:21:55.76 0.1 positive manual P 17 18.3705 107 -0.05 100
IV.NL9.EHZ. 2021-03-25T22:21:54.28 0.1 positive manual P 188 11.7771 115 -0.28 96
IV.PAOL.HNZ. 2021-03-25T22:21:53.40 0.3 undecidable manual S 23 0.6993 173 -0.51 70
IV.PAOL.HNZ. 2021-03-25T22:21:52.86 0.1 negative manual P 23 0.6993 173 -0.23 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.VITU.HHE. ML:2.8 0.006475 0.34 AML other m 2021-03-25T22:22:02.17
IV.VITU.HNN. ML:2.8 0.005050000000000001 0.3 AML other m 2021-03-25T22:22:02.84
IV.VITU.HHN. ML:2.8 0.005305 0.3 AML other m 2021-03-25T22:22:02.84
IV.VITU.HNE. ML:2.1 0.0010645 0.62 AML other m 2021-03-25T22:22:03.71
IV.PIGN.HHN. ML:2.0 0.000366 0.28 AML other m 2021-03-25T22:22:05.64
IV.VCRE.HHE. ML:2.8 0.00389 1.48 AML other m 2021-03-25T22:22:05.20
IV.VTIR.HHE. ML:2.4 0.001325 0.52 AML other m 2021-03-25T22:22:06.98
IV.CRTO.HHE. ML:3.1 0.00718 1.58 AML other m 2021-03-25T22:22:06.19
IV.VBKN.HHE. ML:2.9 0.004845 0.48 AML other m 2021-03-25T22:22:07.57
IV.PIGN.HNN. ML:2.0 0.000429 0.42 AML other m 2021-03-25T22:22:07.55
IV.SGG.HNE. ML:2.3 0.0006540000000000001 0.42 AML other m 2021-03-25T22:22:08.53
IV.PIGN.HHE. ML:2.1 0.0004445 1.54 AML other m 2021-03-25T22:22:09.81
IV.VCRE.HHN. ML:2.8 0.0035 0.66 AML other m 2021-03-25T22:22:09.49
IV.VBKN.HHN. ML:2.6 0.002945 0.22 AML other m 2021-03-25T22:22:09.70
IV.PIGN.HNE. ML:2.1 0.00047099999999999996 1.38 AML other m 2021-03-25T22:22:10.84
IX.MNT3.HHN.02 ML:2.6 0.0012075 0.36 AML other m 2021-03-25T22:22:11.27
IV.SACR.HHN. ML:1.9 0.0002375 0.78 AML other m 2021-03-25T22:22:11.12
IV.SACR.HNN. ML:1.8 0.000227 0.8 AML other m 2021-03-25T22:22:11.12
IX.MNT3.HHE.02 ML:2.2 0.0005940000000000001 0.46 AML other m 2021-03-25T22:22:11.76
IV.CRTO.HHN. ML:2.8 0.0041849999999999995 1.38 AML other m 2021-03-25T22:22:11.28
IV.SACR.HHE. ML:1.9 0.0002335 0.74 AML other m 2021-03-25T22:22:12.67
IV.SACR.HNE. ML:1.8 0.000232 0.72 AML other m 2021-03-25T22:22:12.67
IV.VTIR.HHN. ML:2.2 0.0009390000000000001 0.44 AML other m 2021-03-25T22:22:13.23
IV.MRB1.HHE. ML:2.3 0.0008814999999999999 1.06 AML other m 2021-03-25T22:22:13.71
IV.SGG.HHE. ML:2.3 0.0005994999999999999 0.46 AML other m 2021-03-25T22:22:14.22
IV.MRB1.HHN. ML:2.4 0.000988 0.74 AML other m 2021-03-25T22:22:15.53
IV.MRB1.HNN. ML:2.3 0.0009435 0.72 AML other m 2021-03-25T22:22:15.53
IV.SGG.HHN. ML:2.4 0.0008629999999999999 0.46 AML other m 2021-03-25T22:22:17.14
IV.SGG.HNN. ML:2.4 0.0008454999999999999 0.46 AML other m 2021-03-25T22:22:17.15
IV.MRB1.HNE. ML:2.3 0.0008335 0.8 AML other m 2021-03-25T22:22:17.98
IV.VAGA.HNE. ML:2.1 0.0002945 0.34 AML other m 2021-03-25T22:22:19.65
IV.VAGA.HHE. ML:2.1 0.00032250000000000003 0.36 AML other m 2021-03-25T22:22:19.64
IV.BSSO.HNN. ML:2.1 0.000261 0.6 AML other m 2021-03-25T22:22:20.43
IV.BSSO.HHN. ML:2.1 0.000255 0.6 AML other m 2021-03-25T22:22:20.43
IV.MRLC.HHE. ML:2.0 0.000132 0.36 AML other m 2021-03-25T22:22:22.67
IV.VAGA.HHN. ML:2.3 0.0005729999999999999 0.44 AML other m 2021-03-25T22:22:23.24
IV.VAGA.HNN. ML:2.3 0.0005615 0.46 AML other m 2021-03-25T22:22:23.25
IV.MRLC.HHN. ML:2.1 0.000155 0.44 AML other m 2021-03-25T22:22:23.46
IV.BSSO.HNE. ML:1.9 0.00018449999999999999 0.52 AML other m 2021-03-25T22:22:23.63
IV.BSSO.HHE. ML:1.9 0.000184 0.58 AML other m 2021-03-25T22:22:24.67
IV.SNAL.HHN. ML:2.1 0.000294 0.9 AML other m 2021-03-25T22:22:24.53
IV.SNAL.HNN. ML:2.1 0.000311 0.9 AML other m 2021-03-25T22:22:24.99
IV.SNAL.HHE. ML:2.2 0.00033199999999999994 0.86 AML other m 2021-03-25T22:22:28.64
IV.SNAL.HNE. ML:2.1 0.0003095 0.86 AML other m 2021-03-25T22:22:28.65
OT.OT05.EHN. ML:2.2 0.00013700000000000002 0.9 AML other m 2021-03-25T22:22:30.89
OT.OT05.EHE. ML:2.0 0.0000861 1.56 AML other m 2021-03-25T22:22:32.12
IV.SGRT.HHN. ML:2.1 0.0000888 0.68 AML other m 2021-03-25T22:22:35.63
IV.MSAG.HHE. ML:1.8 0.00003595 0.56 AML other m 2021-03-25T22:22:40.24
IV.SGRT.HHE. ML:2.2 0.00010815 1.08 AML other m 2021-03-25T22:22:41.62
IV.MSAG.HHN. ML:2.1 0.0000748 0.54 AML other m 2021-03-25T22:22:43.73
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
Waveforms Seismic signals in miniseed + resp format Download