Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 13-01-2021 and time 08:58:19 (Italy) in region 5 km N Giffoni Valle Piana (SA)

A magnitude ML 2.1 earthquake occured in region: 5 km N Giffoni Valle Piana (SA), on

  • 13-01-2021 07:58:19 (UTC)
  • 13-01-2021 08:58:19 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 40.7650, 14.9320 at 10 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
Giffoni Valle Piana SA 5 12001 12001
Giffoni Sei Casali SA 6 5264 17265
San Cipriano Picentino SA 7 6631 23896
Castiglione del Genovesi SA 8 1383 25279
Montecorvino Rovella SA 9 12739 38018
Calvanico SA 9 1518 39536
Montecorvino Pugliano SA 10 10701 50237
Solofra AV 10 12495 62732
San Mango Piemonte SA 11 2649 65381
Acerno SA 11 2783 68164
Fisciano SA 11 13820 81984
Montella AV 11 7780 89764
Serino AV 11 7034 96798
Volturara Irpina AV 13 3289 100087
Santa Lucia di Serino AV 13 1402 101489
Baronissi SA 14 17003 118492
Bagnoli Irpino AV 14 3217 121709
Olevano sul Tusciano SA 14 6878 128587
San Michele di Serino AV 14 2530 131117
Cassano Irpino AV 14 982 132099
Pontecagnano Faiano SA 14 26097 158196
Pellezzano SA 15 10965 169161
Mercato San Severino SA 15 22322 191483
Santo Stefano del Sole AV 15 2208 193691
Montoro AV 16 19671 213362
Bellizzi SA 16 13568 226930
Aiello del Sabato AV 17 3958 230888
Cesinali AV 17 2584 233472
Sorbo Serpico AV 17 583 234055
Salza Irpina AV 17 772 234827
Salerno SA 17 135261 370088
Contrada AV 18 3053 373141
Battipaglia SA 18 50786 423927
Montemarano AV 18 2851 426778
Campagna SA 18 16703 443481
Chiusano di San Domenico AV 19 2277 445758
Nusco AV 19 4203 449961
Atripalda AV 19 11020 460981
San Potito Ultra AV 19 1558 462539
Castelvetere sul Calore AV 19 1615 464154
Parolise AV 19 663 464817
Eboli SA 19 40115 504932
Forino AV 20 5384 510316
Bracigliano SA 20 5565 515881
Castel San Giorgio SA 20 13702 529583
Vietri sul Mare SA 20 7902 537485

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km NE of Salerno (135261 inhabitants)
18 Km N of Battipaglia (50786 inhabitants)
20 Km SE of Avellino (54857 inhabitants)
20 Km E of Cava de' Tirreni (53659 inhabitants)
34 Km E of Scafati (50787 inhabitants)
39 Km E of Castellammare di Stabia (66466 inhabitants)
43 Km S of Benevento (60091 inhabitants)
48 Km E of Torre del Greco (86275 inhabitants)
49 Km E of Portici (55274 inhabitants)
50 Km E of Ercolano (53709 inhabitants)
51 Km E of Acerra (59573 inhabitants)
55 Km E of Afragola (65057 inhabitants)
56 Km E of Casoria (77642 inhabitants)
58 Km E of Napoli (974074 inhabitants)
61 Km SE of Caserta (76326 inhabitants)
64 Km E of Giugliano in Campania (122974 inhabitants)
64 Km E of Marano di Napoli (59874 inhabitants)
65 Km E of Aversa (53047 inhabitants)
71 Km E of Pozzuoli (81661 inhabitants)
75 Km W of Potenza (67122 inhabitants)
93 Km SW of Foggia (151991 inhabitants)
99 Km SW of Cerignola (58396 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 2.1 2021-01-13
07:58:19		 40.7653 14.9322 10 2021-07-12
16:54:58		 Bollettino Sismico Italiano INGV 86965991
Reviewed
Rev100 		ML 2.1 2021-01-13
07:58:19		 40.7583 14.9363 10 2021-01-13
08:09:52		 Sala Sismica INGV-Roma 86217401
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-01-13 07:58:19 ± 0.08
Latitude 40.7653 ± 0.0036
Longitude 14.9322 ± 0.0047
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 86965991

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 424
Semi-minor axis of confidence ellipse (meter) 335
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 35
Circular confidence region, given by single value of horizontal uncertainty (meter) 420.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 128
Number of associated phases, regardless of their use for origin computation 39
Number of defining phases 34
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.16102
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 22
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 86965991
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-03-02 18:27:52

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 86217401
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-01-13 08:09:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CR.STON.BHZ. 2021-01-13T07:59:48.96 3.0 undecidable manual Sg 6.84 0
IV.MNTP.HNZ. 2021-01-13T07:59:31.06 3.0 undecidable manual Sn -3.43 0
IV.IVPL.HHZ. 2021-01-13T07:59:29.99 3.0 undecidable manual Sg 2.5 0
IV.IMOL.HNZ. 2021-01-13T07:59:24.46 3.0 negative manual Pn -0.31 0
IV.COR1.EHZ. 2021-01-13T07:59:13.21 3.0 undecidable manual Pn 3.44 0
IV.SGRT.HHZ. 2021-01-13T07:58:41.08 0.6 undecidable manual P 31 128.871 50 0.52 37
IV.MELA.HHZ. 2021-01-13T07:58:37.51 1.0 undecidable manual P 9 105.6165 50 0.55 19
IV.CMPR.HHZ. 2021-01-13T07:58:37.60 0.3 undecidable manual S 148 58.5969 50 0.13 70
OT.OT05.EHZ. 2021-01-13T07:58:37.74 0.6 undecidable manual P 29 113.7972 50 -0.49 39
IV.CDRU.HHZ. 2021-01-13T07:58:33.40 0.3 undecidable manual S 134 43.8228 50 -0.11 72
IV.SGO.HHZ. 2021-01-13T07:58:32.20 0.3 undecidable manual S 126 38.9277 50 0 74
IV.CAFE.HHN. 2021-01-13T07:58:31.95 0.6 undecidable manual S 41 38.7279 50 -0.2 47
IX.COL3.HHZ.02 2021-01-13T07:58:31.38 0.6 undecidable manual S 104 34.5432 50 0.34 46
IV.SNAL.HHZ. 2021-01-13T07:58:30.02 0.3 undecidable manual S 53 29.2485 50 0.4 69
IX.SALI.HNZ.01 2021-01-13T07:58:29.58 0.3 undecidable manual S 49 27.6501 50 0.38 70
IV.CMPR.HHZ. 2021-01-13T07:58:29.50 0.3 undecidable manual P 148 58.5969 50 -0.23 68
IX.RSF3.HNE.02 2021-01-13T07:58:29.30 0.3 undecidable manual S 43 30.0477 50 -0.54 67
IV.PSB1.HHZ. 2021-01-13T07:58:28.82 0.3 undecidable manual P 349 51.8037 50 0.14 70
IV.MRLC.HHZ. 2021-01-13T07:58:27.84 0.3 undecidable manual P 91 46.8198 50 -0.06 72
IV.CDRU.HHZ. 2021-01-13T07:58:27.17 0.1 undecidable manual P 134 43.8228 50 -0.27 93
IV.VTIR.HHZ. 2021-01-13T07:58:27.81 0.6 undecidable manual P 276 42.9237 50 0.51 44
IV.MCRV.HHZ. 2021-01-13T07:58:27.07 0.3 undecidable manual S 84 19.9689 117 0.15 74
IV.VBKN.HHZ. 2021-01-13T07:58:27.72 0.3 undecidable manual P 280 42.8238 50 0.44 67
IV.VCRE.HHZ. 2021-01-13T07:58:27.09 0.6 undecidable manual P 278 42.5241 50 -0.15 48
IV.MTMR.HNN. 2021-01-13T07:58:26.13 0.6 undecidable manual S 19 17.9709 120 -0.19 49
IX.NSC3.HNZ.02 2021-01-13T07:58:26.52 0.3 undecidable manual S 60 18.3705 119 0.09 76
IT.AVL.HNZ. 2021-01-13T07:58:26.90 0.6 undecidable manual S 325 21.2676 116 -0.44 46
IV.SGO.HHZ. 2021-01-13T07:58:26.46 0.1 undecidable manual P 126 38.9277 50 -0.22 94
IV.CAFE.HHN. 2021-01-13T07:58:26.59 0.6 undecidable manual P 41 38.7279 50 -0.07 49
IV.MRB1.HHZ. 2021-01-13T07:58:26.65 0.1 undecidable manual P 4 39.7269 50 -0.17 95
IV.SNAL.HHZ. 2021-01-13T07:58:25.25 0.1 undecidable manual P 53 29.2485 50 0.05 99
IX.COL3.HHZ.02 2021-01-13T07:58:25.87 0.3 undecidable manual P 104 34.5432 50 -0.15 72
IX.SALI.HNZ.01 2021-01-13T07:58:25.05 0.1 undecidable manual P 49 27.6501 50 0.1 99
IX.LGS3.HNZ.01 2021-01-13T07:58:24.47 0.1 undecidable manual P 11 25.0527 50 -0.07 100
IX.RSF3.HNE.02 2021-01-13T07:58:24.93 0.6 undecidable manual P 43 30.0477 50 -0.4 46
IT.AVL.HNZ. 2021-01-13T07:58:24.09 0.3 undecidable manual P 325 21.2676 116 0.21 73
IV.MTMR.HNN. 2021-01-13T07:58:23.17 0.1 undecidable manual P 19 17.9709 120 -0.12 100
IX.NSC3.HNZ.02 2021-01-13T07:58:23.48 0.1 undecidable manual P 60 18.3705 119 0.12 100
IV.MCRV.HHZ. 2021-01-13T07:58:23.76 0.1 undecidable manual P 84 19.9689 117 0.12 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MCRV.HHE. ML:2.3 0.0015400000000000001 0.14 AML other m 2021-01-13T07:58:27.50
IV.MCRV.HHN. ML:2.3 0.0014484072 0.096 AML other m 2021-01-13T07:58:27.48
IV.SNAL.HHN. ML:2.3 0.0009565 0.34 AML other m 2021-01-13T07:58:30.65
IV.SNAL.HNN. ML:2.2 0.0008655 0.32 AML other m 2021-01-13T07:58:30.65
IV.SNAL.HHE. ML:2.0 0.0005260819 0.2048 AML other m 2021-01-13T07:58:30.67
IV.SNAL.HNE. ML:2.1 0.0006291048500000001 0.256 AML other m 2021-01-13T07:58:30.45
IV.SGO.HHN. ML:2.1 0.000455 0.12 AML other m 2021-01-13T07:58:32.72
IV.SGO.HNN. ML:2.1 0.00040936255 0.128 AML other m 2021-01-13T07:58:32.73
IV.SGO.HHE. ML:1.9 0.00028000000000000003 0.14 AML other m 2021-01-13T07:58:32.78
IV.SGO.HNE. ML:1.6 0.00015536971500000003 0.2112 AML other m 2021-01-13T07:58:32.75
IV.CDRU.HHN. ML:2.0 0.0003157441 0.2816 AML other m 2021-01-13T07:58:33.71
IV.CDRU.HHE. ML:2.2 0.0005755000000000001 0.1 AML other m 2021-01-13T07:58:34.31
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