Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 09-09-2021 and time 05:27:09 (Italy) in region 3 km S Sant'Angelo Le Fratte (PZ)

A magnitude ML 1.3 earthquake occured in region: 3 km S Sant'Angelo Le Fratte (PZ), on

  • 09-09-2021 03:27:09 (UTC)
  • 09-09-2021 05:27:09 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.5180, 15.5700 at 21 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.

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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
Sant'Angelo Le Fratte PZ 3 1429 1429
Savoia di Lucania PZ 6 1127 2556
Satriano di Lucania PZ 6 2374 4930
Polla SA 7 5279 10209
Brienza PZ 7 4078 14287
Atena Lucana SA 7 2336 16623
Caggiano SA 8 2765 19388
Sant'Arsenio SA 9 2815 22203
Sasso di Castalda PZ 10 835 23038
San Pietro al Tanagro SA 10 1695 24733
Vietri di Potenza PZ 11 2832 27565
Pertosa SA 11 690 28255
Tito PZ 12 7332 35587
Salvitelle SA 12 560 36147
Sala Consilina SA 13 12664 48811
San Rufo SA 13 1754 50565
Auletta SA 13 2336 52901
Picerno PZ 14 5985 58886
Teggiano SA 16 7976 66862
Balvano PZ 16 1830 68692
Romagnano al Monte SA 17 368 69060
Petina SA 17 1159 70219
Marsico Nuovo PZ 18 4098 74317
Baragiano PZ 18 2671 76988
Ricigliano SA 18 1144 78132
Corleto Monforte SA 18 592 78724
Pignola PZ 19 6962 85686
Sassano SA 20 5013 90699
Monte San Giacomo SA 20 1572 92271

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km SW of Potenza (67122 inhabitants)
51 Km E of Battipaglia (50786 inhabitants)
71 Km E of Salerno (135261 inhabitants)
76 Km E of Cava de' Tirreni (53659 inhabitants)
79 Km SE of Avellino (54857 inhabitants)
88 Km SW of Cerignola (58396 inhabitants)
88 Km W of Matera (60436 inhabitants)
90 Km W of Altamura (70396 inhabitants)
92 Km E of Scafati (50787 inhabitants)
94 Km E of Castellammare di Stabia (66466 inhabitants)
95 Km SE of Benevento (60091 inhabitants)
100 Km SW of Andria (100440 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
Reviewed
Rev100 		ML 1.3 2021-09-09
03:27:09		 40.5185 15.5703 21 2021-09-09
03:31:59		 Sala Sismica INGV-Roma 95216131
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-09 03:27:09 ± 0.21
Latitude 40.5185 ± 0.0063
Longitude 15.5703 ± 0.0071
Depth (km) 21 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 95216131

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 787
Semi-minor axis of confidence ellipse (meter) 175
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 219
Circular confidence region, given by single value of horizontal uncertainty (meter) 790.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 89
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
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) 0.06295
Epicentral distance of station farthest from the epicenter (degree) 0.40559
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 95216131
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-09-09 03:31:59
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SIRI.HHZ. 2021-09-09T03:27:23.76 0.6 undecidable manual S 146 45.0216 107 -0.19 46
IV.MCEL.HHZ. 2021-09-09T03:27:20.15 0.6 undecidable manual S 138 29.0487 118 0.15 48
IV.MTSN.HHZ. 2021-09-09T03:27:20.82 0.6 undecidable manual S 151 31.8459 115 0.14 48
IV.CDRU.HHZ. 2021-09-09T03:27:18.59 0.6 undecidable manual S 262 22.6551 126 0.04 49
IX.PGN3.HHZ.02 2021-09-09T03:27:18.68 0.6 undecidable manual S 73 19.9689 130 0.69 41
IX.SNR3.EHZ.02 2021-09-09T03:27:17.45 1.0 negative manual P 307 39.9267 110 0.53 21
IX.SCL3.EHZ.02 2021-09-09T03:27:17.43 0.6 undecidable manual S 346 20.1687 130 -0.61 44
IV.SIRI.HHZ. 2021-09-09T03:27:17.39 0.1 undecidable manual P 146 45.0216 107 -0.27 90
IX.SRN3.HHZ.02 2021-09-09T03:27:16.12 0.6 undecidable manual S 249 10.1787 151 -0.17 49
IV.SLCN.HHZ. 2021-09-09T03:27:16.94 0.6 undecidable manual S 160 15.1737 139 -0.14 49
IV.MCEL.HHZ. 2021-09-09T03:27:15.23 0.6 undecidable manual P 138 29.0487 118 -0.15 48
IV.MTSN.HHZ. 2021-09-09T03:27:15.69 1.0 positive manual P 151 31.8459 115 -0.09 24
IX.PGN3.HHZ.02 2021-09-09T03:27:14.47 0.6 positive manual P 73 19.9689 130 0.25 47
IV.CDRU.HHZ. 2021-09-09T03:27:14.78 0.1 undecidable manual P 262 22.6551 126 0.23 95
IX.SCL3.EHZ.02 2021-09-09T03:27:14.30 0.6 positive manual P 346 20.1687 130 0.05 49
IX.SRN3.HHZ.02 2021-09-09T03:27:13.32 0.3 positive manual P 249 10.1787 151 0.08 75
IV.SLCN.HHZ. 2021-09-09T03:27:13.75 0.1 undecidable manual P 160 15.1737 139 0.05 100
IX.STN3.HNZ.01 2021-09-09T03:27:12.72 0.3 undecidable manual P 79 6.993 159 -0.32 72
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IX.SRN3.HHN.02 ML:1.7 0.00034250000000000003 0.44 AML other m 2021-09-09T03:27:17.34
IX.SRN3.HHE.02 ML:1.5 0.00022 1.3 AML other m 2021-09-09T03:27:17.10
IX.PGN3.HHN.02 ML:1.2 0.0000811 0.48 AML other m 2021-09-09T03:27:18.69
IV.CDRU.HHN. ML:1.4 0.000125 0.38 AML other m 2021-09-09T03:27:18.94
IV.CDRU.HNN. ML:1.4 0.000126 0.38 AML other m 2021-09-09T03:27:18.75
IV.CDRU.HNE. ML:1.4 0.00014250000000000002 1.52 AML other m 2021-09-09T03:27:19.77
IV.CDRU.HHE. ML:1.0 0.0000452 0.9 AML other m 2021-09-09T03:27:19.09
IX.SCL3.EHN.02 ML:1.3 0.0001145 1 AML other m 2021-09-09T03:27:20.36
IX.PGN3.HHE.02 ML:1.2 0.0000727 1.12 AML other m 2021-09-09T03:27:20.41
IX.SCL3.EHE.02 ML:1.2 0.0000891 0.14 AML other m 2021-09-09T03:27:20.62
IV.MCEL.HNE. ML:1.6 0.0001511 0.9 AML other m 2021-09-09T03:27:20.31
IV.MCEL.HHN. ML:1.0 0.000043950000000000004 0.92 AML other m 2021-09-09T03:27:20.83
IV.MCEL.HHE. ML:1.0 0.0000428 0.92 AML other m 2021-09-09T03:27:20.83
IV.MTSN.HHN. ML:1.2 0.000059499999999999996 0.28 AML other m 2021-09-09T03:27:21.58
IV.MCEL.HNN. ML:1.4 0.00009775 1.3 AML other m 2021-09-09T03:27:21.01
IV.SIRI.HHN. ML:1.5 0.0000789 1.42 AML other m 2021-09-09T03:27:24.86
IV.SIRI.HHE. ML:1.0 0.0000298 0.54 AML other m 2021-09-09T03:27:24.26
IV.MTSN.HHE. ML:1.1 0.000045700000000000006 0.34 AML other m 2021-09-09T03:27:25.29
IX.SNR3.EHE.02 ML:0.9 0.00002685 1.06 AML other m 2021-09-09T03:27:27.42
IX.SNR3.EHN.02 ML:1.1 0.0000332 0.32 AML other m 2021-09-09T03:27:28.37
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