Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 30-10-2020 and time 17:15:35 (UTC) in region 4 km E Piaggine (SA)

A magnitude ML 1.2 earthquake occured in region: 4 km E Piaggine (SA), on

  • 30-10-2020 17:15:35 (UTC)
  • 30-10-2020 18:15:35 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 40.3530, 15.4200 at 16 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 4 248 1559
Sacco SA 5 492 2051
Laurino SA 7 1548 3599
Roscigno SA 8 817 4416
San Rufo SA 10 1754 6170
Corleto Monforte SA 10 592 6762
Monte San Giacomo SA 11 1572 8334
Teggiano SA 11 7976 16310
Campora SA 12 439 16749
Bellosguardo SA 12 794 17543
Sassano SA 13 5013 22556
San Pietro al Tanagro SA 13 1695 24251
Sant'Angelo a Fasanella SA 13 635 24886
Sant'Arsenio SA 14 2815 27701
Stio SA 15 872 28573
Felitto SA 15 1283 29856
Ottati SA 15 618 30474
Magliano Vetere SA 16 695 31169
Sala Consilina SA 16 12664 43833
Rofrano SA 16 1576 45409
Cannalonga SA 16 1063 46472
Atena Lucana SA 16 2336 48808
Sanza SA 17 2608 51416
Aquara SA 17 1545 52961
Moio della Civitella SA 17 1827 54788
Castel San Lorenzo SA 18 2471 57259
Novi Velia SA 18 2324 59583
Gioi SA 19 1278 60861
Vallo della Lucania SA 19 8531 69392
Polla SA 19 5279 74671
Monteforte Cilento SA 19 564 75235
Buonabitacolo SA 19 2549 77784
Alfano SA 19 1023 78807

Municipalities with at least 50000 inhabitants

An earthquake occurred to
46 Km SW of Potenza (67122 inhabitants)
47 Km SE of Battipaglia (50786 inhabitants)
67 Km SE of Salerno (135261 inhabitants)
72 Km SE of Cava de' Tirreni (53659 inhabitants)
82 Km SE of Avellino (54857 inhabitants)
87 Km SE of Scafati (50787 inhabitants)
88 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 1.2 2020-10-30
17:15:35		 40.3528 15.4203 17 2021-02-26
14:56:11		 Bollettino Sismico Italiano INGV 85499261
Reviewed
Rev100 		ML 1.1 2020-10-30
17:15:35		 40.342 15.4507 10 2020-10-30
17:28:22		 Sala Sismica INGV-Roma 84273581
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-10-30 17:15:35 ± 0.13
Latitude 40.3528 ± 0.0036
Longitude 15.4203 ± 0.0094
Depth (km) 17 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 85499261

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 743
Semi-minor axis of confidence ellipse (meter) 279
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 93
Circular confidence region, given by single value of horizontal uncertainty (meter) 740.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 78
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.09263
Epicentral distance of station farthest from the epicenter (degree) 0.36063
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:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 84273581
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-10-30 17:28:22

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 85499261
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-12-17 17:39:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.BULG.HHZ. 2020-10-30T17:15:47.01 0.6 undecidable manual S 187 30.6471 106 0.67 42
IX.STN3.HHZ.02 2020-10-30T17:15:45.83 0.6 undecidable manual S 45 27.6501 109 0.24 48
IV.CAGG.EHN. 2020-10-30T17:15:45.59 0.6 undecidable manual S 19 23.9538 113 0.94 38
IV.MGR.HHZ. 2020-10-30T17:15:44.76 0.6 undecidable manual S 155 26.3514 110 -0.5 44
IV.SGO.HNN. 2020-10-30T17:15:44.75 0.1 undecidable manual S 338 24.9528 111 -0.14 97
IV.SLCN.HHZ. 2020-10-30T17:15:43.72 0.6 undecidable manual S 77 18.4704 121 0.38 47
IX.PGN3.HNE.02 2020-10-30T17:15:43.24 0.3 undecidable manual P 52 40.0266 101 0.08 72
IX.SRN3.HNE.02 2020-10-30T17:15:42.39 0.6 undecidable manual S 12 15.0738 128 -0.22 48
IV.MCEL.HHZ. 2020-10-30T17:15:42.14 0.3 undecidable manual P 95 32.4453 105 0.12 73
IX.STN3.HHZ.02 2020-10-30T17:15:41.20 0.3 undecidable manual P 45 27.6501 109 -0.12 72
IX.TEGI.HNN.01 2020-10-30T17:15:41.36 0.6 undecidable manual S 73 10.2786 142 -0.34 47
IV.BULG.HHZ. 2020-10-30T17:15:41.87 0.1 undecidable manual P 187 30.6471 106 0.11 97
IV.CMPR.HHZ. 2020-10-30T17:15:41.83 0.6 undecidable manual S 249 10.6782 140 0.07 50
IV.SGO.HNN. 2020-10-30T17:15:40.71 0.3 undecidable manual P 338 24.9528 111 -0.21 72
IV.SLCN.HHZ. 2020-10-30T17:15:40.17 0.3 undecidable manual P 77 18.4704 121 0.15 74
IV.CAGG.EHN. 2020-10-30T17:15:40.83 0.3 undecidable manual P 19 23.9538 113 0.05 75
IV.MGR.HHZ. 2020-10-30T17:15:40.83 0.1 undecidable manual P 155 26.3514 110 -0.31 93
IV.CMPR.HHZ. 2020-10-30T17:15:39.23 0.1 undecidable manual P 249 10.6782 140 0.12 100
IX.SRN3.HNE.02 2020-10-30T17:15:39.55 0.1 undecidable manual P 12 15.0738 128 -0.05 100
IV.CDRU.HHE. 2020-10-30T17:15:39.86 0.1 undecidable manual P 327 18.0708 122 -0.12 99
IX.TEGI.HNN.01 2020-10-30T17:15:38.90 0.3 undecidable manual P 73 10.2786 142 -0.18 74
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SLCN.HNN. ML:1.0 0.00007226785750000001 0.2496 AML other m 2020-10-30T17:15:17.37
IV.CMPR.HHN. ML:1.4 0.000195616165 0.1152 AML other m 2020-10-30T17:15:41.96
IV.CMPR.HHE. ML:1.4 0.0002426622 1.7696 AML other m 2020-10-30T17:15:41.11
IV.BULG.HNE. ML:1.7 0.0002148451 1.1552 AML other m 2020-10-30T17:15:43.08
IV.BULG.HNN. ML:1.7 0.00019493435 1.168 AML other m 2020-10-30T17:15:43.09
IV.MGR.HHN. ML:1.0 0.00005478645999999999 0.2304 AML other m 2020-10-30T17:15:44.97
IV.MGR.HNN. ML:1.6 0.0001801518 0.5504 AML other m 2020-10-30T17:15:44.60
IV.SLCN.HHN. ML:1.1 0.000079859495 0.32 AML other m 2020-10-30T17:15:45.10
IV.MGR.HHE. ML:1.0 0.000045430849999999995 0.0768 AML other m 2020-10-30T17:15:45.37
IV.SLCN.HHE. ML:1.3 0.0001191142 0.2944 AML other m 2020-10-30T17:15:46.55
IV.MGR.HNE. ML:1.3 0.0001014054535 0.384 AML other m 2020-10-30T17:15:46.60
IV.BULG.HHN. ML:1.1 0.00005443428 0.1536 AML other m 2020-10-30T17:15:47.49
IV.MCEL.HNN. ML:1.1 0.00005652905 1.6032 AML other m 2020-10-30T17:15:49.13
IV.MCEL.HHE. ML:1.0 0.000038819955 0.5888 AML other m 2020-10-30T17:15:50.64
IV.MCEL.HNE. ML:1.2 0.00006646202 1.3984 AML other m 2020-10-30T17:15:51.93
IV.MCEL.HHN. ML:0.8 0.000022591740999999998 0.3584 AML other m 2020-10-30T17:15:53.38
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