Earthquake with magnitude of ML 1.5 on date 01-07-2021 and time 20:55:31 (Italy) in region 2 km E Piaggine (SA)

A magnitude ML 1.5 earthquake occured in region: 2 km E Piaggine (SA), on

  • 01-07-2021 18:55:31 (UTC)
  • 01-07-2021 20:55:31 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.339, 15.403 at 17 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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.

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 2 1311 1311
Valle dell'Angelo SA 3 248 1559
Sacco SA 6 492 2051
Laurino SA 6 1548 3599
Roscigno SA 9 817 4416
Campora SA 10 439 4855
Corleto Monforte SA 11 592 5447
San Rufo SA 12 1754 7201
Monte San Giacomo SA 12 1572 8773
Bellosguardo SA 12 794 9567
Teggiano SA 13 7976 17543
Stio SA 13 872 18415
Felitto SA 14 1283 19698
Sassano SA 14 5013 24711
Magliano Vetere SA 14 695 25406
Cannalonga SA 14 1063 26469
Sant'Angelo a Fasanella SA 14 635 27104
Rofrano SA 14 1576 28680
San Pietro al Tanagro SA 15 1695 30375
Moio della Civitella SA 15 1827 32202
Ottati SA 16 618 32820
Novi Velia SA 16 2324 35144
Sant'Arsenio SA 16 2815 37959
Sanza SA 17 2608 40567
Gioi SA 17 1278 41845
Vallo della Lucania SA 17 8531 50376
Aquara SA 17 1545 51921
Castel San Lorenzo SA 17 2471 54392
Sala Consilina SA 18 12664 67056
Monteforte Cilento SA 18 564 67620
Alfano SA 18 1023 68643
Atena Lucana SA 19 2336 70979
Laurito SA 19 788 71767
Montano Antilia SA 20 2077 73844
Buonabitacolo SA 20 2549 76393

Municipalities with at least 50000 inhabitants

An earthquake occurred to
46 Km SE of Battipaglia (50786 inhabitants)
48 Km SW of Potenza (67122 inhabitants)
66 Km SE of Salerno (135261 inhabitants)
71 Km SE of Cava de' Tirreni (53659 inhabitants)
82 Km SE of Avellino (54857 inhabitants)
87 Km SE of Scafati (50787 inhabitants)
87 Km E of Castellammare di Stabia (66466 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Preliminary map of the earthquake effects from the web questionnaire

Preliminary map of the earthquake effects from the web questionnaire

This map shows the distribution of the effects of the earthquake on the territory in terms of the MCS (Mercalli-Cancani-Sieberg) intensity scale. The intensities are determined using the data provided in the questionnaire (http://www.haisentitoilterremoto.it/) that are analysed using robust statistical techniques since they are not verified individually. Specifically, the assignment of MCS intensities greater or equal the VI degree of the MCS scale require opportune in situ verification by professional experts. The purple start shows the epicenter. This map is prepared every so often that the population fill in new questionnaires. The number of questionnaires used to determine the map and the date and time of the last adjournment are shown in the upper right part of the panel.
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Reviewed
Rev100
ML 1.5 2021-07-01
18:55:31
40.3392 15.4033 17 2021-07-01
19:12:56
Sala Sismica INGV-Roma 92115581
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-07-01 18:55:31 ± 0.14
Latitude 40.3392 ± 0.0054
Longitude 15.4033 ± 0.0083
Depth (km) 17 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 92115581

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 699
Semi-minor axis of confidence ellipse (meter) 106
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 72
Circular confidence region, given by single value of horizontal uncertainty (meter) 700
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 105
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.47754
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 16
Magnitude information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.4
Num. used stations 26
Type of magnitude ML
Reference to an origin 92115581
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-07-01 19:12:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.SALB.HHZ. 2021-07-01T18:55:46.50 3.0 undecidable manual P -0.49 0
IX.PST3.HNN.01 2021-07-01T18:55:42.44 0.3 undecidable manual S 331 0.2527 109 0.48 67
IX.STN3.HNZ.01 2021-07-01T18:55:42.40 0.3 undecidable manual S 45 0.268 107 0 74
IV.SGO.HNN. 2021-07-01T18:55:41.52 0.3 undecidable manual S 342 0.2329 111 0.12 72
IV.MCRV.HHZ. 2021-07-01T18:55:40.78 0.3 undecidable manual P 338 0.4775 98 -0.62 61
IV.SIRI.HHZ. 2021-07-01T18:55:40.65 0.6 undecidable manual P 114 0.3876 100 0.78 40
IV.SLCN.HHZ. 2021-07-01T18:55:40.50 0.3 undecidable manual S 74 0.1817 119 0.47 69
IX.CMP3.EHZ.02 2021-07-01T18:55:40.44 1.0 undecidable manual P 322 0.3975 100 0.39 22
IV.MGR.HHZ. 2021-07-01T18:55:40.90 0.3 undecidable manual S 150 0.232 111 -0.47 66
IX.PGN3.HNE.02 2021-07-01T18:55:39.40 0.3 undecidable manual P 52 0.3795 101 -0.34 67
IV.CDRU.HHZ. 2021-07-01T18:55:39.20 0.3 undecidable manual S 333 0.1682 122 -0.47 69
IX.SRN3.HNE.02 2021-07-01T18:55:39.00 0.3 undecidable manual S 16 0.1529 125 -0.29 72
IV.MTSN.HHN. 2021-07-01T18:55:38.28 0.6 undecidable manual P 105 0.2752 107 0.28 47
IX.PST3.HNN.01 2021-07-01T18:55:38.40 0.1 undecidable manual P 331 0.2527 109 0.75 81
IX.TEGI.HNN.01 2021-07-01T18:55:38.11 0.3 undecidable manual S 68 0.1097 137 -0.21 73
IV.MCEL.HHZ. 2021-07-01T18:55:38.60 0.3 undecidable manual P 93 0.304 105 0.12 73
IV.CMPR.HHZ. 2021-07-01T18:55:37.90 0.1 undecidable manual S 255 0.0791 147 0.13 99
IV.MGR.HHZ. 2021-07-01T18:55:37.01 0.1 undecidable manual P 150 0.232 111 -0.29 93
IX.STN3.HNZ.01 2021-07-01T18:55:37.68 0.3 undecidable manual P 45 0.268 107 -0.22 71
IV.SGO.HNN. 2021-07-01T18:55:37.24 0.3 undecidable manual P 342 0.2329 111 -0.08 73
IX.CGG3.HNN.01 2021-07-01T18:55:37.22 0.3 undecidable manual P 24 0.2221 112 0.07 74
IV.SLCN.HHZ. 2021-07-01T18:55:36.76 0.3 undecidable manual P 74 0.1817 119 0.23 72
IV.CDRU.HHZ. 2021-07-01T18:55:36.17 0.3 undecidable manual P 333 0.1682 122 -0.16 73
IX.SRN3.HNE.02 2021-07-01T18:55:35.94 0.3 undecidable manual P 16 0.1529 125 -0.17 73
IV.CMPR.HHZ. 2021-07-01T18:55:35.35 0.1 undecidable manual P 255 0.0791 147 0.13 100
IX.TEGI.HNN.01 2021-07-01T18:55:35.49 0.3 undecidable manual P 68 0.1097 137 -0.05 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CMPR.HNE. ML:1.9 0.00079694995 0.1024 AML other m 2021-07-01T18:55:38.11
IV.CMPR.HHN. ML:1.8 0.0005844804 0.0768 AML other m 2021-07-01T18:55:38.20
IV.CMPR.HNN. ML:1.9 0.00078005635 0.2432 AML other m 2021-07-01T18:55:38.25
IV.CMPR.HHE. ML:1.6 0.0003935 0.3 AML other m 2021-07-01T18:55:38.22
IV.CDRU.HHE. ML:1 6.4049655E-5 0.0896 AML other m 2021-07-01T18:55:39.69
IV.CDRU.HHN. ML:1.2 9.54465E-5 0.1152 AML other m 2021-07-01T18:55:40.53
IV.MGR.HHN. ML:1.6 0.0002203709 0.1792 AML other m 2021-07-01T18:55:41.29
IV.MGR.HHE. ML:1.4 0.000133 0.24 AML other m 2021-07-01T18:55:41.87
IV.SLCN.HHE. ML:1.7 0.0003165 1.66 AML other m 2021-07-01T18:55:43.06
IV.SLCN.HHN. ML:1.7 0.000277 0.46 AML other m 2021-07-01T18:55:44.13
IV.MCEL.HHN. ML:1.1 4.263064E-5 0.2816 AML other m 2021-07-01T18:55:46.92
IV.MCEL.HHE. ML:1.1 4.6550325E-5 0.32 AML other m 2021-07-01T18:55:46.07
IV.SIRI.HHN. ML:1.1 3.8664475E-5 0.2048 AML other m 2021-07-01T18:55:49.25
IV.CDRU.HNE. ML:1.6 0.00029217695 0.1664 AML other m 2021-07-01T18:55:39.90
IV.CDRU.HNN. ML:1.2 9.4248915E-5 0.1408 AML other m 2021-07-01T18:55:40.31
IV.SLCN.HNE. ML:1.6 0.00026710065 0.3584 AML other m 2021-07-01T18:55:42.32
IV.SLCN.HNN. ML:1.7 0.00031087075 0.5376 AML other m 2021-07-01T18:55:45.06
IV.MGR.HNE. ML:1.4 0.0001273184 0.256 AML other m 2021-07-01T18:55:42.92
IV.MGR.HNN. ML:1.6 0.00021228135 0.2688 AML other m 2021-07-01T18:55:41.30
IX.STN3.HNE.01 ML:4.2 0.06492877 0.3456 AML other m 2021-07-01T18:55:44.99
IV.MCEL.HNE. ML:1.6 0.000139217475 0.4352 AML other m 2021-07-01T18:55:48.88
IV.MCEL.HNN. ML:1.4 9.401215E-5 0.6144 AML other m 2021-07-01T18:55:49.27
IV.SIRI.HNE. ML:1.2 4.4881265E-5 0.5504 AML other m 2021-07-01T18:55:50.71
IV.SIRI.HNN. ML:1.2 4.3729435E-5 0.4992 AML other m 2021-07-01T18:55:48.89
IV.MCRV.HHN. ML:1.1 3.1318775E-5 0.4224 AML other m 2021-07-01T18:55:58.50
IV.MCRV.HHE. ML:0.8 1.59682415E-5 0.4096 AML other m 2021-07-01T18:55:56.74
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