Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 30-10-2020 and time 17:09:46 (UTC) in region 4 km E Piaggine (SA)

A magnitude ML 1.7 earthquake occured in region: 4 km E Piaggine (SA), on

  • 30-10-2020 17:09:46 (UTC)
  • 30-10-2020 18:09:46 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 40.3470, 15.4280 at 18 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
Piaggine SA 4 1311 1311
Valle dell'Angelo SA 5 248 1559
Sacco SA 6 492 2051
Laurino SA 8 1548 3599
Roscigno SA 9 817 4416
Monte San Giacomo SA 10 1572 5988
San Rufo SA 10 1754 7742
Teggiano SA 10 7976 15718
Corleto Monforte SA 11 592 16310
Sassano SA 12 5013 21323
Campora SA 12 439 21762
San Pietro al Tanagro SA 13 1695 23457
Bellosguardo SA 13 794 24251
Sant'Angelo a Fasanella SA 14 635 24886
Sant'Arsenio SA 15 2815 27701
Rofrano SA 15 1576 29277
Stio SA 15 872 30149
Sala Consilina SA 15 12664 42813
Felitto SA 16 1283 44096
Sanza SA 16 2608 46704
Cannalonga SA 16 1063 47767
Magliano Vetere SA 16 695 48462
Ottati SA 16 618 49080
Atena Lucana SA 16 2336 51416
Moio della Civitella SA 17 1827 53243
Novi Velia SA 18 2324 55567
Aquara SA 18 1545 57112
Buonabitacolo SA 18 2549 59661
Castel San Lorenzo SA 19 2471 62132
Alfano SA 19 1023 63155
Vallo della Lucania SA 19 8531 71686
Gioi SA 19 1278 72964
Polla SA 20 5279 78243
Padula SA 20 5368 83611
Laurito SA 20 788 84399
Monteforte Cilento SA 20 564 84963

Municipalities with at least 50000 inhabitants

An earthquake occurred to
46 Km SW of Potenza (67122 inhabitants)
48 Km SE of Battipaglia (50786 inhabitants)
68 Km SE of Salerno (135261 inhabitants)
73 Km SE of Cava de' Tirreni (53659 inhabitants)
83 Km SE of Avellino (54857 inhabitants)
88 Km SE of Scafati (50787 inhabitants)
89 Km E of Castellammare di Stabia (66466 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 2020-10-30
17:09:46		 40.3467 15.4285 18 2021-02-26
14:56:09		 Bollettino Sismico Italiano INGV 85198711
Reviewed
Rev100 		ML 1.7 2020-10-30
17:09:46		 40.3467 15.4147 17 2020-10-30
17:27:27		 Sala Sismica INGV-Roma 84273551
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-10-30 17:09:46 ± 0.14
Latitude 40.3467 ± 0.0045
Longitude 15.4285 ± 0.0071
Depth (km) 18 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 85198711

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 627
Semi-minor axis of confidence ellipse (meter) 116
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 100
Circular confidence region, given by single value of horizontal uncertainty (meter) 630.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 66
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.41189
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 16
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 32
Type of magnitude ML
Reference to an origin 84273551
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-10-30 17:27:27

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 29
Type of magnitude ML
Reference to an origin 85198711
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-12-04 14:02:53
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.BULG.HHZ. 2020-10-30T17:09:57.77 0.3 undecidable manual S 188 30.0477 110 0.46 66
IX.STN3.HNZ.02 2020-10-30T17:09:57.01 0.3 undecidable manual S 43 27.75 112 0.29 70
IV.SGO.HHZ. 2020-10-30T17:09:56.09 0.3 undecidable manual S 337 25.8519 114 -0.17 71
MN.CUC.HHE. 2020-10-30T17:09:56.35 3.0 undecidable manual P 0.35 0
IX.CGG3.HNN.01 2020-10-30T17:09:56.27 0.3 undecidable manual S 20 23.0547 118 0.67 64
IV.CAGG.EHN. 2020-10-30T17:09:56.69 0.3 undecidable manual S 17 24.3534 116 0.78 61
IX.CMP3.HNZ.02 2020-10-30T17:09:55.32 0.1 undecidable manual P 319 44.8218 102 0.39 87
IV.MGR.HHZ. 2020-10-30T17:09:55.87 0.3 undecidable manual S 155 25.4523 115 -0.31 70
IV.MRLC.HHZ. 2020-10-30T17:09:54.56 0.1 undecidable manual P 6 45.7209 102 -0.51 86
IV.SLCN.HHZ. 2020-10-30T17:09:54.83 0.3 undecidable manual S 74 17.9709 126 0.39 70
IV.SIRI.HHZ. 2020-10-30T17:09:54.34 0.1 undecidable manual P 116 41.4252 103 -0.08 95
IX.SCL3.HHE.02 2020-10-30T17:09:54.96 3.0 undecidable manual P 0.83 0
IX.PGN3.HHE.02 2020-10-30T17:09:54.18 0.1 undecidable manual P 51 39.9267 104 -0.01 96
IX.SRN3.HHE.02 2020-10-30T17:09:53.47 0.3 undecidable manual S 9 15.6732 131 -0.5 66
IX.COL3.HNE.02 2020-10-30T17:09:53.60 0.3 undecidable manual P 348 38.628 104 -0.4 67
IV.BULG.HHZ. 2020-10-30T17:09:53.01 0.1 positive manual P 188 30.0477 110 0.27 92
IV.CMPR.HHZ. 2020-10-30T17:09:52.98 0.1 undecidable manual S 253 11.0778 143 -0.14 98
IX.STN3.HNZ.02 2020-10-30T17:09:52.23 0.1 positive manual P 43 27.75 112 -0.17 95
IV.MCEL.HHZ. 2020-10-30T17:09:52.95 0.1 undecidable manual P 94 31.6461 109 -0.02 97
IX.TEGI.HNN.01 2020-10-30T17:09:52.88 0.3 undecidable manual S 68 9.879 146 -0.06 74
IV.CAGG.EHN. 2020-10-30T17:09:51.84 0.1 positive manual P 17 24.3534 116 -0.09 97
IV.SGO.HHZ. 2020-10-30T17:09:51.83 0.1 undecidable manual P 337 25.8519 114 -0.3 93
IX.CGG3.HNN.01 2020-10-30T17:09:51.85 0.1 undecidable manual P 20 23.0547 118 0.1 97
IV.SLCN.HHZ. 2020-10-30T17:09:51.26 0.1 positive manual P 74 17.9709 126 0.18 96
IV.MGR.HHZ. 2020-10-30T17:09:51.92 0.1 negative manual P 155 25.4523 115 -0.17 96
IX.TEGI.HNN.01 2020-10-30T17:09:50.03 0.3 undecidable manual P 68 9.879 146 -0.18 73
IV.CMPR.HHZ. 2020-10-30T17:09:50.36 0.1 negative manual P 253 11.0778 143 0.04 100
IX.SRN3.HHE.02 2020-10-30T17:09:50.63 0.1 positive manual P 9 15.6732 131 -0.18 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CMPR.HHN. ML:2.0 0.00093767545 0.128 AML other m 2020-10-30T17:09:53.10
IV.CMPR.HHE. ML:2.0 0.0007213099 0.0768 AML other m 2020-10-30T17:09:53.24
IV.SGO.HNE. ML:1.5 0.00013978164 0.3072 AML other m 2020-10-30T17:09:55.76
IV.MGR.HHN. ML:1.7 0.00026096269999999997 1.7568 AML other m 2020-10-30T17:09:55.96
IV.MGR.HNN. ML:1.7 0.00026900285000000003 1.7568 AML other m 2020-10-30T17:09:55.97
IV.SLCN.HHN. ML:1.9 0.0005162729 0.32 AML other m 2020-10-30T17:09:56.23
IV.SLCN.HNN. ML:1.8 0.0004074955 0.32 AML other m 2020-10-30T17:09:56.39
IV.SGO.HHN. ML:1.8 0.0003039333 0.1152 AML other m 2020-10-30T17:09:56.40
IV.SGO.HNN. ML:1.8 0.0002801057 0.128 AML other m 2020-10-30T17:09:56.34
IV.SGO.HHE. ML:1.6 0.00020192660000000002 0.1408 AML other m 2020-10-30T17:09:56.45
IV.MGR.HHE. ML:1.6 0.00019210064999999999 0.0768 AML other m 2020-10-30T17:09:56.49
IV.MGR.HNE. ML:1.6 0.00018025685 0.0768 AML other m 2020-10-30T17:09:56.50
IV.SLCN.HHE. ML:2.1 0.00076161585 0.256 AML other m 2020-10-30T17:09:56.70
IV.SLCN.HNE. ML:2.0 0.00069455665 0.2432 AML other m 2020-10-30T17:09:56.58
IV.BULG.HHN. ML:1.8 0.00023865094999999997 0.1536 AML other m 2020-10-30T17:09:58.69
IV.BULG.HNN. ML:1.8 0.0002392166 0.1536 AML other m 2020-10-30T17:09:58.62
IV.BULG.HHE. ML:1.6 0.00017350845 0.1408 AML other m 2020-10-30T17:09:59.69
IV.BULG.HNE. ML:1.6 0.00015999405 0.1408 AML other m 2020-10-30T17:09:59.69
IV.MCEL.HHN. ML:1.5 0.0001387153 1.36 AML other m 2020-10-30T17:09:59.20
IV.MCEL.HHE. ML:1.6 0.00017423155 0.32 AML other m 2020-10-30T17:10:01.61
IV.SIRI.HHN. ML:1.5 0.00010746420000000001 0.2176 AML other m 2020-10-30T17:10:03.40
IV.SIRI.HNN. ML:1.5 0.00010307815 0.2176 AML other m 2020-10-30T17:10:03.40
IV.MCEL.HNE. ML:1.8 0.00027503120000000003 0.384 AML other m 2020-10-30T17:10:03.76
IV.MRLC.HHN. ML:1.3 0.00004917919 0.3328 AML other m 2020-10-30T17:10:04.49
IV.MRLC.HNN. ML:1.0 0.00002356892 0.3328 AML other m 2020-10-30T17:10:04.33
IV.SIRI.HHE. ML:1.6 0.00012240675000000002 0.256 AML other m 2020-10-30T17:10:04.42
IV.SIRI.HNE. ML:1.6 0.0001164296 0.2432 AML other m 2020-10-30T17:10:04.42
IV.MCEL.HNN. ML:1.8 0.0002604439 0.576 AML other m 2020-10-30T17:10:05.60
IV.MRLC.HHE. ML:1.2 0.000039389185 0.192 AML other m 2020-10-30T17:10:07.12
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