Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 07-03-2021 and time 16:12:24 (UTC) in region 2 km W Villamaina (AV)

A magnitude ML 1.3 earthquake occured in region: 2 km W Villamaina (AV), on

  • 07-03-2021 16:12:24 (UTC)
  • 07-03-2021 17:12:24 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 40.9770, 15.0660 at 15 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
Villamaina AV 2 995 995
Paternopoli AV 3 2384 3379
Gesualdo AV 3 3516 6895
Frigento AV 5 3780 10675
Castelfranci AV 6 2041 12716
Torella dei Lombardi AV 6 2144 14860
Fontanarosa AV 6 3170 18030
Luogosano AV 6 1187 19217
Sturno AV 7 3080 22297
Sant'Angelo all'Esca AV 7 801 23098
San Mango sul Calore AV 8 1185 24283
Castelvetere sul Calore AV 8 1615 25898
Montemarano AV 9 2851 28749
Rocca San Felice AV 9 851 29600
Mirabella Eclano AV 10 7684 37284
Taurasi AV 10 2377 39661
Lapio AV 10 1572 41233
Nusco AV 10 4203 45436
Grottaminarda AV 11 8137 53573
Sant'Angelo dei Lombardi AV 11 4250 57823
Cassano Irpino AV 12 982 58805
Guardia Lombardi AV 12 1718 60523
Castel Baronia AV 13 1129 61652
Flumeri AV 13 2963 64615
Carife AV 13 1408 66023
Chiusano di San Domenico AV 13 2277 68300
Torre Le Nocelle AV 14 1324 69624
Montemiletto AV 14 5313 74937
Melito Irpino AV 14 1920 76857
San Nicola Baronia AV 15 771 77628
Venticano AV 15 2537 80165
Bonito AV 15 2448 82613
Lioni AV 15 6201 88814
San Sossio Baronia AV 15 1643 90457
Montefalcione AV 15 3359 93816
Montella AV 15 7780 101596
Bagnoli Irpino AV 16 3217 104813
Salza Irpina AV 16 772 105585
Morra De Sanctis AV 16 1297 106882
Parolise AV 16 663 107545
Trevico AV 16 993 108538
Pietradefusi AV 16 2348 110886
Sorbo Serpico AV 16 583 111469
Volturara Irpina AV 17 3289 114758
Candida AV 17 1147 115905
Vallata AV 17 2714 118619
San Potito Ultra AV 17 1558 120177
Pratola Serra AV 18 3764 123941
Villanova del Battista AV 18 1690 125631
Vallesaccarda AV 19 1386 127017
Manocalzati AV 19 3160 130177
Montefusco AV 19 1338 131515
Santo Stefano del Sole AV 19 2208 133723
Santa Paolina AV 19 1256 134979
Prata di Principato Ultra AV 19 2944 137923
San Nazzaro BN 19 884 138807
Apice BN 19 5686 144493
Calvi BN 20 2682 147175
Santa Lucia di Serino AV 20 1402 148577
Ariano Irpino AV 20 22700 171277

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km E of Avellino (54857 inhabitants)
29 Km SE of Benevento (60091 inhabitants)
42 Km N of Battipaglia (50786 inhabitants)
42 Km NE of Salerno (135261 inhabitants)
43 Km NE of Cava de' Tirreni (53659 inhabitants)
52 Km NE of Scafati (50787 inhabitants)
58 Km NE of Castellammare di Stabia (66466 inhabitants)
58 Km E of Acerra (59573 inhabitants)
62 Km E of Portici (55274 inhabitants)
63 Km E of Caserta (76326 inhabitants)
63 Km E of Torre del Greco (86275 inhabitants)
63 Km E of Ercolano (53709 inhabitants)
64 Km E of Afragola (65057 inhabitants)
66 Km E of Casoria (77642 inhabitants)
67 Km SW of Foggia (151991 inhabitants)
70 Km E of Napoli (974074 inhabitants)
72 Km E of Aversa (53047 inhabitants)
73 Km NW of Potenza (67122 inhabitants)
73 Km E of Giugliano in Campania (122974 inhabitants)
74 Km E of Marano di Napoli (59874 inhabitants)
77 Km W of Cerignola (58396 inhabitants)
83 Km E of Pozzuoli (81661 inhabitants)
83 Km SW of San Severo (53905 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 1.3 2021-03-07
16:12:24		 40.9772 15.0663 15 2021-07-12
16:55:08		 Bollettino Sismico Italiano INGV 89364351
Reviewed
Rev100 		ML 1.3 2021-03-07
16:12:25		 40.978 15.0753 10 2021-03-07
16:20:05		 Sala Sismica INGV-Roma 87874151
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-07 16:12:24 ± 0.16
Latitude 40.9772 ± 0.0045
Longitude 15.0663 ± 0.0071
Depth (km) 15 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 89364351

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 605
Semi-minor axis of confidence ellipse (meter) 180
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 123
Circular confidence region, given by single value of horizontal uncertainty (meter) 610.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 108
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.05756
Epicentral distance of station farthest from the epicenter (degree) 0.38761
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 89364351
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-04-22 16:16:50

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 87874151
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-03-07 16:20:05
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SGTA.HHZ. 2021-03-07T16:12:36.19 0.6 undecidable manual S 55 30.5472 102 0.9 36
IV.MCRV.HHZ. 2021-03-07T16:12:33.30 0.3 undecidable manual S 158 23.2545 109 -0.11 72
IV.VITU.HHZ. 2021-03-07T16:12:32.45 0.3 undecidable manual P 302 43.0236 97 -0.22 67
IX.SSB3.HHZ.02 2021-03-07T16:12:32.18 0.3 undecidable manual S 50 17.6712 118 0.13 72
IX.MNT3.HHZ.02 2021-03-07T16:12:32.03 0.6 undecidable manual S 198 16.3725 121 0.29 46
IV.CAFE.HHZ. 2021-03-07T16:12:31.07 0.3 undecidable manual S 68 15.2736 123 -0.44 67
IX.NSC3.HNZ.02 2021-03-07T16:12:31.75 0.3 undecidable manual S 162 15.1737 123 0.27 70
IV.SNAL.HHZ. 2021-03-07T16:12:31.19 0.3 undecidable manual S 116 13.2756 128 0.13 72
IX.LGS3.HNN.01 2021-03-07T16:12:30.09 0.3 undecidable manual S 279 6.3936 152 0.2 73
IX.SALI.HNZ.01 2021-03-07T16:12:30.96 0.3 undecidable manual S 119 10.878 136 0.37 69
IV.SGTA.HHZ. 2021-03-07T16:12:30.98 0.1 undecidable manual P 55 30.5472 102 0.22 91
IX.RSF3.HNE.02 2021-03-07T16:12:29.70 0.3 undecidable manual S 99 9.2796 141 -0.61 64
IV.MCRV.HHZ. 2021-03-07T16:12:29.55 0.1 undecidable manual P 158 23.2545 109 -0.13 95
IV.MTMR.EHZ. 2021-03-07T16:12:29.77 0.6 undecidable manual S 219 8.3805 144 -0.4 45
IX.SSB3.HHZ.02 2021-03-07T16:12:28.76 0.1 undecidable manual P 50 17.6712 118 -0.13 96
IX.SALI.HNZ.01 2021-03-07T16:12:28.07 0.1 undecidable manual P 119 10.878 136 0.02 99
IX.MNT3.HHZ.02 2021-03-07T16:12:28.81 0.3 undecidable manual P 198 16.3725 121 0.09 72
IV.SNAL.HHZ. 2021-03-07T16:12:28.26 0.1 negative manual P 116 13.2756 128 -0.06 98
IV.CAFE.HHZ. 2021-03-07T16:12:28.44 0.1 undecidable manual P 68 15.2736 123 -0.14 96
IX.NSC3.HNZ.02 2021-03-07T16:12:28.69 0.1 undecidable manual P 162 15.1737 123 0.13 96
IV.MTMR.EHZ. 2021-03-07T16:12:27.92 0.3 undecidable manual P 219 8.3805 144 0.12 73
IX.RSF3.HNE.02 2021-03-07T16:12:27.57 0.1 undecidable manual P 99 9.2796 141 -0.32 93
IX.LGS3.HNN.01 2021-03-07T16:12:27.68 0.1 undecidable manual P 279 6.3936 152 0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CAFE.HHE. ML:1.0 0.00007908670000000002 0.2048 AML other m 2021-03-07T16:12:31.21
IV.SNAL.HHN. ML:1.2 0.00012374578 0.1024 AML other m 2021-03-07T16:12:31.31
IV.SNAL.HNN. ML:1.2 0.00014291484999999997 0.1024 AML other m 2021-03-07T16:12:31.32
IV.SNAL.HHE. ML:1.5 0.0002701343 0.1408 AML other m 2021-03-07T16:12:31.31
IV.SNAL.HNE. ML:1.5 0.0002457843 0.1408 AML other m 2021-03-07T16:12:31.31
IV.CAFE.HHN. ML:0.8 0.000056362725 0.32 AML other m 2021-03-07T16:12:32.48
IX.MNT3.HNE.01 ML:1.3 0.000137722465 0.064 AML other m 2021-03-07T16:12:32.63
IX.MNT3.HHE.02 ML:1.4 0.00016535725 0.064 AML other m 2021-03-07T16:12:32.61
IX.MNT3.HNN.01 ML:1.6 0.00027054895 0.1024 AML other m 2021-03-07T16:12:33.57
IX.MNT3.HHN.02 ML:1.6 0.00031578989999999995 0.192 AML other m 2021-03-07T16:12:33.58
IV.MCRV.HHN. ML:1.4 0.00014690175 0.1152 AML other m 2021-03-07T16:12:34.23
IV.MCRV.HHE. ML:1.3 0.00012510115 0.1536 AML other m 2021-03-07T16:12:34.25
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