Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 15-11-2021 and time 10:53:48 (UTC) in region 4 km SE Laviano (SA)

A magnitude ML 1.0 earthquake occured in region: 4 km SE Laviano (SA), on

  • 15-11-2021 10:53:48 (UTC)
  • 15-11-2021 11:53:48 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 40.7640, 15.3440 at 11 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
Laviano SA 4 1438 1438
Santomenna SA 5 443 1881
Colliano SA 6 3638 5519
Castelnuovo di Conza SA 6 619 6138
Valva SA 7 1643 7781
Castelgrande PZ 8 943 8724
Pescopagano PZ 9 1910 10634
Sant'Andrea di Conza AV 9 1539 12173
Conza della Campania AV 11 1373 13546
Calabritto AV 11 2391 15937
Caposele AV 11 3483 19420
Senerchia AV 12 842 20262
Muro Lucano PZ 12 5497 25759
Oliveto Citra SA 12 3802 29561
Palomonte SA 12 3985 33546
Teora AV 12 1537 35083
San Gregorio Magno SA 13 4286 39369
Buccino SA 15 5047 44416
Cairano AV 15 326 44742
Contursi Terme SA 15 3394 48136
Ricigliano SA 16 1144 49280
Rapone PZ 16 990 50270
Bella PZ 16 5171 55441
Romagnano al Monte SA 17 368 55809
Calitri AV 17 4666 60475
San Fele PZ 18 3004 63479
Lioni AV 18 6201 69680
Balvano PZ 19 1830 71510
Andretta AV 19 1927 73437
Ruvo del Monte PZ 19 1083 74520
Morra De Sanctis AV 20 1297 75817

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km NE of Battipaglia (50786 inhabitants)
41 Km W of Potenza (67122 inhabitants)
49 Km E of Avellino (54857 inhabitants)
50 Km E of Salerno (135261 inhabitants)
54 Km E of Cava de' Tirreni (53659 inhabitants)
62 Km SE of Benevento (60091 inhabitants)
69 Km E of Scafati (50787 inhabitants)
73 Km SW of Cerignola (58396 inhabitants)
73 Km E of Castellammare di Stabia (66466 inhabitants)
80 Km S of Foggia (151991 inhabitants)
82 Km E of Torre del Greco (86275 inhabitants)
84 Km E of Portici (55274 inhabitants)
84 Km E of Ercolano (53709 inhabitants)
84 Km E of Acerra (59573 inhabitants)
89 Km E of Afragola (65057 inhabitants)
90 Km E of Casoria (77642 inhabitants)
92 Km E of Caserta (76326 inhabitants)
92 Km E of Napoli (974074 inhabitants)
95 Km SW of Andria (100440 inhabitants)
98 Km E of Giugliano in Campania (122974 inhabitants)
98 Km E of Marano di Napoli (59874 inhabitants)
98 Km E of Aversa (53047 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 1.0 2021-11-15
10:53:48		 40.7637 15.3442 11 2022-03-30
13:04:28		 Bollettino Sismico Italiano INGV 99638661
Reviewed
Rev100 		ML 0.9 2021-11-15
10:53:49		 40.7968 15.3512 3 2021-11-15
10:59:55		 Sala Sismica INGV-Roma 97477971
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-11-15 10:53:48 ± 0.09
Latitude 40.7637 ± 0.0054
Longitude 15.3442 ± 0.0059
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 99638661

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 574
Semi-minor axis of confidence ellipse (meter) 510
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 17
Circular confidence region, given by single value of horizontal uncertainty (meter) 570.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 68
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.27519
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 99638661
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-01-11 15:27:07

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 97477971
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-11-15 10:59:55
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OT.OT17.EHZ. 2021-11-15T10:54:01.49 3.0 negative manual P 0 0
IV.CDRU.HNZ. 2021-11-15T10:54:00.10 0.6 undecidable manual S 186 30.5472 50 0.53 42
IV.SNAL.HHN. 2021-11-15T10:53:57.12 0.6 undecidable manual S 328 21.2676 116 0.06 48
IV.SGO.HHE. 2021-11-15T10:53:57.73 0.6 undecidable manual S 188 22.755 50 0.25 46
IX.CLT3.EHN.02 2021-11-15T10:53:56.08 0.6 undecidable manual S 18 16.2726 123 0.52 44
IX.SCL3.HNE.02 2021-11-15T10:53:55.53 0.6 undecidable manual S 118 15.9729 123 0.05 49
IV.MCRV.HHZ. 2021-11-15T10:53:55.16 0.3 undecidable manual S 278 14.874 125 -0.01 74
IV.MRLC.HHZ. 2021-11-15T10:53:54.15 0.3 undecidable manual S 94 12.1767 131 -0.28 70
IV.CDRU.HNZ. 2021-11-15T10:53:54.81 0.1 undecidable manual P 186 30.5472 50 -0.22 93
IX.SNR3.EHZ.02 2021-11-15T10:53:54.63 0.3 undecidable manual S 256 13.0758 129 -0.04 74
IX.RDM3.HHZ.02 2021-11-15T10:53:54.04 0.3 undecidable manual P 52 20.3685 117 0.62 63
IV.SNAL.HHN. 2021-11-15T10:53:53.22 0.3 undecidable manual P 328 21.2676 116 -0.36 69
IV.SGO.HHE. 2021-11-15T10:53:53.45 0.3 undecidable manual P 188 22.755 50 -0.38 68
IX.COL3.HHZ.02 2021-11-15T10:53:53.96 0.3 undecidable manual S 188 8.5803 141 0.41 70
IX.SNR3.EHZ.02 2021-11-15T10:53:52.51 0.3 undecidable manual P 256 13.0758 129 0.31 70
IX.CLT3.EHN.02 2021-11-15T10:53:52.83 0.6 undecidable manual P 18 16.2726 123 0.11 48
IX.SCL3.HNE.02 2021-11-15T10:53:52.48 0.3 undecidable manual P 118 15.9729 123 -0.19 71
IV.MCRV.HHZ. 2021-11-15T10:53:52.23 0.1 undecidable manual P 278 14.874 125 -0.26 94
IX.COL3.HHZ.02 2021-11-15T10:53:51.56 0.1 undecidable manual P 188 8.5803 141 0 100
IV.MRLC.HHZ. 2021-11-15T10:53:51.76 0.3 undecidable manual P 94 12.1767 131 -0.3 70
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IX.COL3.HHN.02 ML:1.2 0.00023219025 0.9472 AML other m 2021-11-15T10:53:54.26
IV.MRLC.HHE. ML:0.7 0.0000514 0.46 AML other m 2021-11-15T10:53:54.74
IV.MRLC.HHN. ML:0.7 0.00006165 1.44 AML other m 2021-11-15T10:53:55.72
IX.COL3.HHE.02 ML:1.3 0.00028338635 0.16 AML other m 2021-11-15T10:53:55.18
IV.MCRV.HHE. ML:0.9 0.00007754999999999999 0.7 AML other m 2021-11-15T10:53:55.49
IV.MCRV.HHN. ML:0.9 0.0000766 0.88 AML other m 2021-11-15T10:53:56.47
IX.SNR3.EHE.02 ML:0.9 0.0000766 0.76 AML other m 2021-11-15T10:53:57.62
IX.SNR3.EHN.02 ML:1.0 0.0000983 0.58 AML other m 2021-11-15T10:53:58.29
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