Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 12-06-2021 and time 20:53:30 (Italy) in region 1 km SE Sant'Angelo dei Lombardi (AV)

A magnitude ML 1.7 earthquake occured in region: 1 km SE Sant'Angelo dei Lombardi (AV), on

  • 12-06-2021 18:53:30 (UTC)
  • 12-06-2021 20:53:30 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.9220, 15.1820 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
Sant'Angelo dei Lombardi AV 1 4250 4250
Rocca San Felice AV 4 851 5101
Guardia Lombardi AV 4 1718 6819
Lioni AV 5 6201 13020
Morra De Sanctis AV 5 1297 14317
Torella dei Lombardi AV 6 2144 16461
Nusco AV 9 4203 20664
Villamaina AV 10 995 21659
Teora AV 10 1537 23196
Andretta AV 12 1927 25123
Castelfranci AV 12 2041 27164
Carife AV 12 1408 28572
Frigento AV 12 3780 32352
Caposele AV 13 3483 35835
Sturno AV 13 3080 38915
Gesualdo AV 13 3516 42431
Bagnoli Irpino AV 14 3217 45648
Paternopoli AV 14 2384 48032
Castel Baronia AV 14 1129 49161
Cassano Irpino AV 14 982 50143
Vallata AV 14 2714 52857
Conza della Campania AV 15 1373 54230
Trevico AV 15 993 55223
Montemarano AV 16 2851 58074
San Nicola Baronia AV 16 771 58845
Calabritto AV 16 2391 61236
Cairano AV 16 326 61562
Montella AV 16 7780 69342
San Sossio Baronia AV 16 1643 70985
Castelnuovo di Conza SA 16 619 71604
Castelvetere sul Calore AV 17 1615 73219
Vallesaccarda AV 17 1386 74605
Flumeri AV 17 2963 77568
Santomenna SA 17 443 78011
Fontanarosa AV 18 3170 81181
Luogosano AV 18 1187 82368
San Mango sul Calore AV 18 1185 83553
Sant'Andrea di Conza AV 18 1539 85092
Laviano SA 18 1438 86530
Sant'Angelo all'Esca AV 19 801 87331
Bisaccia AV 19 3831 91162
Grottaminarda AV 20 8137 99299
Senerchia AV 20 842 100141

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km E of Avellino (54857 inhabitants)
39 Km NE of Battipaglia (50786 inhabitants)
41 Km SE of Benevento (60091 inhabitants)
45 Km NE of Salerno (135261 inhabitants)
47 Km NE of Cava de' Tirreni (53659 inhabitants)
58 Km E of Scafati (50787 inhabitants)
61 Km NW of Potenza (67122 inhabitants)
64 Km E of Castellammare di Stabia (66466 inhabitants)
67 Km SW of Foggia (151991 inhabitants)
68 Km E of Acerra (59573 inhabitants)
70 Km E of Torre del Greco (86275 inhabitants)
70 Km E of Portici (55274 inhabitants)
71 Km E of Ercolano (53709 inhabitants)
72 Km SW of Cerignola (58396 inhabitants)
73 Km E of Afragola (65057 inhabitants)
73 Km E of Caserta (76326 inhabitants)
75 Km E of Casoria (77642 inhabitants)
79 Km E of Napoli (974074 inhabitants)
82 Km E of Aversa (53047 inhabitants)
82 Km E of Giugliano in Campania (122974 inhabitants)
83 Km E of Marano di Napoli (59874 inhabitants)
87 Km S of San Severo (53905 inhabitants)
92 Km E of Pozzuoli (81661 inhabitants)
99 Km W of Andria (100440 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 1.7 2021-06-12
18:53:30		 40.9217 15.1825 15 2021-12-29
11:12:39		 Bollettino Sismico Italiano INGV 96763161
Reviewed
Rev100 		ML 1.7 2021-06-12
18:53:30		 40.9085 15.2033 12 2021-06-12
19:01:21		 Sala Sismica INGV-Roma 91180141
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-06-12 18:53:30 ± 0.1
Latitude 40.9217 ± 0.0045
Longitude 15.1825 ± 0.0095
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 96763161

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 773
Semi-minor axis of confidence ellipse (meter) 471
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 275
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) 151
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 31
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.00899
Epicentral distance of station farthest from the epicenter (degree) 0.93260
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 19
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 96763161
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-10-19 13:31:18

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 91180141
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-06-12 19:01:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SGRT.HHZ. 2021-06-12T18:53:47.31 0.3 undecidable manual P 27 103.5186 92 -0.23 60
OT.OT05.EHZ. 2021-06-12T18:53:44.97 0.6 undecidable manual P 23 89.0442 93 -0.33 40
IV.SLCN.HHZ. 2021-06-12T18:53:43.29 1.0 undecidable manual P 147 70.0743 94 0.9 17
IV.VULT.HHZ. 2021-06-12T18:53:42.50 0.3 undecidable manual S 84 36.5412 99 0.05 71
IV.ACER.HHZ. 2021-06-12T18:53:41.56 0.3 undecidable manual P 103 65.49 94 -0.12 66
IX.CMP3.HNE.02 2021-06-12T18:53:41.49 0.6 undecidable manual S 196 31.1466 102 0.47 43
IX.COL3.HHE. 2021-06-12T18:53:40.19 0.6 undecidable manual S 154 28.8489 103 -0.24 46
IX.VDS3.HNN.01 2021-06-12T18:53:40.63 0.6 undecidable manual S 134 28.6491 104 0.24 46
IV.MRLC.HHZ. 2021-06-12T18:53:40.96 0.6 undecidable manual S 125 31.5462 102 -0.18 46
IV.CDRU.HHZ. 2021-06-12T18:53:38.86 0.3 undecidable manual P 168 49.0176 96 -0.29 66
IX.SSB3.HNE. 2021-06-12T18:53:37.98 0.6 undecidable manual S 13 17.871 117 0.31 46
IV.VULT.HHZ. 2021-06-12T18:53:37.04 0.1 undecidable manual P 84 36.5412 99 -0.21 91
IX.AND3.HNE.02 2021-06-12T18:53:36.61 0.6 undecidable manual S 86 12.6762 130 0.1 49
IV.SGTA.HHZ. 2021-06-12T18:53:36.29 0.3 undecidable manual P 33 28.1496 104 0.31 68
IX.CMP3.HNE.02 2021-06-12T18:53:36.85 0.3 undecidable manual P 196 31.1466 102 0.42 65
IV.MCRV.HHZ. 2021-06-12T18:53:36.96 0.1 undecidable manual S 184 15.4734 123 -0.15 97
IX.VDS3.HNN.01 2021-06-12T18:53:36.00 0.3 undecidable manual P 134 28.6491 104 -0.06 71
IX.RDM3.HHZ. 2021-06-12T18:53:36.94 0.1 undecidable manual P 100 30.0477 103 0.67 82
IV.MRLC.HHZ. 2021-06-12T18:53:36.39 0.3 undecidable manual P 125 31.5462 102 -0.1 70
IX.LIO3.HNZ.02 2021-06-12T18:53:35.03 0.3 undecidable manual S 184 2.6973 167 -0.08 75
IX.COL3.HHE. 2021-06-12T18:53:35.90 0.1 undecidable manual P 154 28.8489 103 -0.18 93
IX.SALI.HNZ.01 2021-06-12T18:53:35.43 0.1 undecidable manual S 347 0.999 176 0.38 93
IX.RSF3.HHE.02 2021-06-12T18:53:34.79 0.6 undecidable manual S 353 4.7952 159 -0.48 46
IV.SNAL.HHZ. 2021-06-12T18:53:34.98 0.1 undecidable manual S 79 2.2977 170 -0.11 99
IX.SSB3.HNE. 2021-06-12T18:53:34.50 0.1 undecidable manual P 13 17.871 117 0.01 98
IV.MCRV.HHZ. 2021-06-12T18:53:34.16 0.1 undecidable manual P 184 15.4734 123 -0.01 98
IX.SALI.HNZ.01 2021-06-12T18:53:33.07 0.1 undecidable manual P 347 0.999 176 0.09 99
IX.AND3.HNE.02 2021-06-12T18:53:33.73 0.1 undecidable manual P 86 12.6762 130 -0.1 97
IX.RSF3.HHE.02 2021-06-12T18:53:32.91 0.1 undecidable manual P 353 4.7952 159 -0.2 97
IX.LIO3.HNZ.02 2021-06-12T18:53:32.92 0.1 undecidable manual P 184 2.6973 167 -0.09 100
IV.SNAL.HHZ. 2021-06-12T18:53:32.93 0.1 negative manual P 79 2.2977 170 -0.07 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SNAL.HHE. ML:2.2 0.001665 0.14 AML other m 2021-06-12T18:53:35.17
IV.SNAL.HNE. ML:2.1 0.001465 0.16 AML other m 2021-06-12T18:53:35.17
IV.SNAL.HNN. ML:1.9 0.0009299999999999999 0.74 AML other m 2021-06-12T18:53:35.08
IV.SNAL.HHN. ML:1.9 0.0009785 0.76 AML other m 2021-06-12T18:53:35.07
IV.MCRV.HHN. ML:2.0 0.000882 1.42 AML other m 2021-06-12T18:53:36.96
IV.MCRV.HHE. ML:1.9 0.000655 0.34 AML other m 2021-06-12T18:53:37.48
IV.MRLC.HHN. ML:1.2 0.00007209999999999999 0.24 AML other m 2021-06-12T18:53:41.99
IV.MRLC.HHE. ML:1.3 0.00008665 0.44 AML other m 2021-06-12T18:53:44.23
IV.VULT.HHE. ML:1.5 0.00010899999999999999 1 AML other m 2021-06-12T18:53:44.64
IV.VULT.HHN. ML:1.7 0.0001955 0.32 AML other m 2021-06-12T18:53:45.44
IV.CDRU.HHE. ML:1.3 0.00005 0.14 AML other m 2021-06-12T18:53:49.32
IV.ACER.HHN. ML:1.6 0.0000679 0.26 AML other m 2021-06-12T18:53:51.49
IV.CDRU.HHN. ML:1.0 0.0000264 0.76 AML other m 2021-06-12T18:53:52.52
IV.ACER.HHE. ML:1.6 0.000071 0.88 AML other m 2021-06-12T18:53:52.30
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