Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 10-08-2020 and time 20:26:46 (UTC) in region 4 km SE Sasso di Castalda (PZ)

A magnitude ML 1.5 earthquake occured in region: 4 km SE Sasso di Castalda (PZ), on

  • 10-08-2020 20:26:46 (UTC)
  • 10-08-2020 22:26:46 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.4600, 15.7080 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
Sasso di Castalda PZ 4 835 835
Marsico Nuovo PZ 5 4098 4933
Brienza PZ 7 4078 9011
Paterno PZ 9 3368 12379
Abriola PZ 10 1531 13910
Satriano di Lucania PZ 11 2374 16284
Sala Consilina SA 12 12664 28948
Calvello PZ 12 1948 30896
Atena Lucana SA 13 2336 33232
Padula SA 14 5368 38600
Marsicovetere PZ 14 5546 44146
Tito PZ 14 7332 51478
Pignola PZ 14 6962 58440
Sant'Angelo Le Fratte PZ 16 1429 59869
Teggiano SA 17 7976 67845
Tramutola PZ 17 3089 70934
Sassano SA 18 5013 75947
Savoia di Lucania PZ 18 1127 77074
San Pietro al Tanagro SA 19 1695 78769
Sant'Arsenio SA 19 2815 81584
Monte San Giacomo SA 19 1572 83156
Polla SA 19 5279 88435
Anzi PZ 19 1696 90131

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km SW of Potenza (67122 inhabitants)
63 Km E of Battipaglia (50786 inhabitants)
79 Km W of Matera (60436 inhabitants)
82 Km SW of Altamura (70396 inhabitants)
84 Km E of Salerno (135261 inhabitants)
89 Km E of Cava de' Tirreni (53659 inhabitants)
91 Km S of Cerignola (58396 inhabitants)
92 Km SE of Avellino (54857 inhabitants)
99 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
Bulletin
Rev1000 		ML 1.5 2020-08-10
20:26:46		 40.4595 15.708 16 2020-11-19
12:37:03		 Bollettino Sismico Italiano INGV 83364151
Reviewed
Rev100 		ML 1.6 2020-08-10
20:26:46		 40.461 15.7033 14 2020-08-10
20:36:53		 Sala Sismica INGV-Roma 81857011
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-08-10 20:26:46 ± 0.11
Latitude 40.4595 ± 0.0045
Longitude 15.7080 ± 0.0071
Depth (km) 16 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 83364151

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 550
Semi-minor axis of confidence ellipse (meter) 243
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 255
Circular confidence region, given by single value of horizontal uncertainty (meter) 550.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 53
Number of associated phases, regardless of their use for origin computation 51
Number of defining phases 29
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.45686
Number of stations at which the event was observed 36
Number of stations from which data was used for origin computation 16
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 33
Type of magnitude ML
Reference to an origin 81857011
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-08-10 20:36:53

ML:1.5

Field Value
Value 1.5
Uncertainty 0.1
Num. used stations 18
Type of magnitude ML
Reference to an origin 83364151
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-09-29 13:29:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.OSSC.HHZ. 2020-08-10T20:28:45.29 3.0 undecidable manual Sn -2.04 0
IV.FREG.EHZ. 2020-08-10T20:28:31.12 3.0 negative manual Pg 15.75 0
IV.CROCE.HHZ. 2020-08-10T20:28:28.74 3.0 undecidable manual Sn 1.31 0
IV.ACATE.EHZ. 2020-08-10T20:28:16.93 3.0 undecidable manual Sn -6.16 0
IV.ZCCA.HHZ. 2020-08-10T20:28:10.95 3.0 positive manual Pn 7.03 0
IV.AGLI.HHZ. 2020-08-10T20:28:03.44 3.0 undecidable manual Pn 2.48 0
CR.STON.BHZ. 2020-08-10T20:28:00.24 3.0 undecidable manual Sn -4.76 0
IV.IACL.HHZ. 2020-08-10T20:27:50.47 3.0 undecidable manual Sn 0.58 0
IV.ILOS.HHZ. 2020-08-10T20:27:45.75 3.0 undecidable manual Sn -1.61 0
IV.ROSPO.HHZ. 2020-08-10T20:27:41.51 3.0 undecidable manual Sn -0.69 0
IV.OFFI.HHZ. 2020-08-10T20:27:41.65 3.0 undecidable manual Pg 9.83 0
IV.TERO.HHZ. 2020-08-10T20:27:30.39 3.0 undecidable manual Pn 1.61 0
IV.VVLD.HHZ. 2020-08-10T20:27:23.22 3.0 negative manual Pn 2.12 0
IV.SACR.HHZ. 2020-08-10T20:27:22.94 3.0 undecidable manual S -3.33 0
IV.IACL.HHZ. 2020-08-10T20:27:20.48 3.0 undecidable manual Pn -1.41 0
IV.IST3.HHZ. 2020-08-10T20:27:15.30 3.0 negative manual Pn 0.3 0
IV.AMUR.HHZ. 2020-08-10T20:27:13.50 3.0 undecidable manual S -0.47 0
IV.NOCI.HHZ. 2020-08-10T20:27:06.62 3.0 negative manual P 0.55 0
IV.AMUR.HHZ. 2020-08-10T20:27:02.31 3.0 negative manual P 0.6 0
IV.SNAL.HHZ. 2020-08-10T20:26:58.28 3.0 undecidable manual P -0.51 0
IV.MGR.HHZ. 2020-08-10T20:26:58.88 0.6 undecidable manual S 200 38.0286 100 -0.14 47
IV.PTRP.HHZ. 2020-08-10T20:26:57.24 1.0 undecidable manual S 77 30.5472 104 0.16 24
IV.SIRI.HHZ. 2020-08-10T20:26:57.77 0.1 undecidable manual S 156 33.6441 102 -0.1 95
IV.MIGL.HHZ. 2020-08-10T20:26:56.75 3.0 negative manual P -0.42 0
IV.PALZ.HHZ. 2020-08-10T20:26:56.07 3.0 undecidable manual P -0.59 0
IV.BULG.HHZ. 2020-08-10T20:26:55.53 0.3 undecidable manual P 214 50.7159 97 -0.05 70
IV.PZUN.HHZ. 2020-08-10T20:26:55.18 0.3 undecidable manual S 22 22.2555 113 0.2 72
IX.VGG3.HNE.01 2020-08-10T20:26:55.45 0.1 undecidable manual S 130 21.2676 114 0.71 84
IX.CGG3.HNZ.01 2020-08-10T20:26:54.05 0.1 undecidable manual S 300 18.1707 120 0.06 98
IV.CAGG.EHZ. 2020-08-10T20:26:54.44 0.3 undecidable manual S 303 19.7691 117 0.06 73
IX.SRN3.HHZ.02 2020-08-10T20:26:54.97 0.3 undecidable manual S 278 21.2676 114 0.23 70
IT.SLC1.HGE. 2020-08-10T20:26:53.14 0.3 undecidable manual S 233 11.877 135 0.49 67
IX.PGN3.HNE.02 2020-08-10T20:26:53.55 0.3 undecidable manual S 31 14.5743 128 0.36 71
IV.MGR.HHZ. 2020-08-10T20:26:53.40 0.1 positive manual P 200 38.0286 100 -0.25 92
IV.SLCN.HNZ. 2020-08-10T20:26:52.72 0.6 undecidable manual S 219 9.9789 141 0.41 46
IV.PTRP.HHZ. 2020-08-10T20:26:52.37 0.3 undecidable manual P 77 30.5472 104 -0.16 70
IX.BEL3.HNZ.01 2020-08-10T20:26:52.34 0.6 undecidable manual P 348 28.9488 106 0.05 49
IV.SIRI.HHZ. 2020-08-10T20:26:52.65 0.3 undecidable manual P 156 33.6441 102 -0.33 68
IX.STN3.HNZ.01 2020-08-10T20:26:51.72 0.1 undecidable manual S 329 9.1797 143 -0.46 93
IX.VGG3.HNE.01 2020-08-10T20:26:51.79 0.3 undecidable manual P 130 21.2676 114 0.61 65
IX.SRN3.HHZ.02 2020-08-10T20:26:51.07 0.1 undecidable manual P 278 21.2676 114 -0.1 98
IX.VDP3.HNZ.01 2020-08-10T20:26:51.32 0.1 undecidable manual P 325 19.7691 117 0.35 93
IX.MRN3.HNZ.01 2020-08-10T20:26:51.19 0.1 undecidable manual S 154 4.1958 162 -0.38 95
IV.PZUN.HHZ. 2020-08-10T20:26:51.42 0.3 undecidable manual P 22 22.2555 113 0.11 74
IX.PGN3.HNE.02 2020-08-10T20:26:50.00 0.1 undecidable manual P 31 14.5743 128 -0.28 94
IX.CGG3.HNZ.01 2020-08-10T20:26:50.73 0.1 undecidable manual P 300 18.1707 120 -0.01 100
IV.CAGG.EHZ. 2020-08-10T20:26:50.82 0.1 undecidable manual P 303 19.7691 117 -0.15 97
IX.MRN3.HNZ.01 2020-08-10T20:26:49.00 0.1 undecidable manual P 154 4.1958 162 -0.34 95
IX.STN3.HNZ.01 2020-08-10T20:26:49.34 0.1 undecidable manual P 329 9.1797 143 -0.35 94
IV.SLCN.HNZ. 2020-08-10T20:26:49.94 0.1 undecidable manual P 219 9.9789 141 0.16 98
IT.SLC1.HGE. 2020-08-10T20:26:49.97 0.3 undecidable manual P 233 11.877 135 0 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PZUN.HNE. ML:1.6 0.00023015915 0.2432 AML other m 2020-08-10T20:26:57.15
IV.PZUN.HHE. ML:1.6 0.00021348240000000003 0.256 AML other m 2020-08-10T20:26:57.15
IV.PZUN.HHN. ML:1.5 0.00016342675 0.3072 AML other m 2020-08-10T20:26:58.16
IV.PZUN.HNN. ML:1.5 0.00018763795 0.2944 AML other m 2020-08-10T20:26:58.16
IV.MGR.HNE. ML:1.5 0.000110161 0.3712 AML other m 2020-08-10T20:26:59.29
IV.MGR.HHN. ML:1.6 0.00013541724999999998 1.8592 AML other m 2020-08-10T20:26:59.04
IV.MGR.HHE. ML:1.2 0.000057300500000000005 0.2304 AML other m 2020-08-10T20:27:00.25
IV.PTRP.HHN. ML:1.6 0.0001612695 0.4864 AML other m 2020-08-10T20:27:02.96
IV.MGR.HNN. ML:1.6 0.0001492844 0.6016 AML other m 2020-08-10T20:27:03.14
IV.PTRP.HHE. ML:1.4 0.000099980895 0.6016 AML other m 2020-08-10T20:27:03.56
IV.BULG.HNE. ML:1.4 0.00005809272 0.2048 AML other m 2020-08-10T20:27:04.57
IV.BULG.HHE. ML:1.4 0.000055964345 0.1792 AML other m 2020-08-10T20:27:04.76
IV.BULG.HHN. ML:1.4 0.0000588896 1.7184 AML other m 2020-08-10T20:27:05.96
IV.BULG.HNN. ML:1.4 0.000066946475 1.6032 AML other m 2020-08-10T20:27:09.01
IV.AMUR.HHN. ML:1.6 0.000045667 0.2176 AML other m 2020-08-10T20:27:15.49
IV.AMUR.HHE. ML:1.3 0.000026370075 0.256 AML other m 2020-08-10T20:27:15.54
IV.NOCI.HHE. ML:1.7 0.00003558273 0.1664 AML other m 2020-08-10T20:27:24.96
IV.NOCI.HHN. ML:1.7 0.000036434855 1.68 AML other m 2020-08-10T20:27:26.06
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