Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 09-04-2020 and time 12:05:57 (UTC) in region 4 km S Ruoti (PZ)

A magnitude ML 1.6 earthquake occured in region: 4 km S Ruoti (PZ), on

  • 09-04-2020 12:05:57 (UTC)
  • 09-04-2020 14:05:57 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.6860, 15.6780 at 11 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
Ruoti PZ 4 3579 3579
Avigliano PZ 6 11577 15156
Picerno PZ 6 5985 21141
Baragiano PZ 7 2671 23812
Tito PZ 11 7332 31144
Potenza PZ 12 67122 98266
Filiano PZ 14 2926 101192
Bella PZ 14 5171 106363
Balvano PZ 14 1830 108193
Pignola PZ 15 6962 115155
Satriano di Lucania PZ 16 2374 117529
Ricigliano SA 16 1144 118673
Savoia di Lucania PZ 17 1127 119800
Vietri di Potenza PZ 17 2832 122632
Muro Lucano PZ 18 5497 128129
Sant'Angelo Le Fratte PZ 18 1429 129558
Pietragalla PZ 19 4160 133718
San Fele PZ 19 3004 136722

Municipalities with at least 50000 inhabitants

An earthquake occurred to
12 Km W of Potenza (67122 inhabitants)
59 Km E of Battipaglia (50786 inhabitants)
67 Km S of Cerignola (58396 inhabitants)
75 Km W of Altamura (70396 inhabitants)
77 Km E of Salerno (135261 inhabitants)
78 Km W of Matera (60436 inhabitants)
79 Km E of Avellino (54857 inhabitants)
80 Km SW of Andria (100440 inhabitants)
82 Km E of Cava de' Tirreni (53659 inhabitants)
87 Km SW of Barletta (94814 inhabitants)
87 Km S of Foggia (151991 inhabitants)
90 Km SE of Benevento (60091 inhabitants)
90 Km SW of Trani (56217 inhabitants)
93 Km SW of Bisceglie (55422 inhabitants)
97 Km SW of Molfetta (59874 inhabitants)
97 Km E of Scafati (50787 inhabitants)
98 Km SW of Bitonto (55540 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 1.6 2020-04-09
12:05:57		 40.6855 15.678 11 2020-07-18
21:08:35		 Bollettino Sismico Italiano INGV 78828521
Reviewed
Rev100 		ML 1.6 2020-04-09
12:05:56		 40.6948 15.6707 14 2020-04-09
12:21:17		 Sala Sismica INGV-Roma 78041711
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-04-09 12:05:57 ± 0.12
Latitude 40.6855 ± 0.0063
Longitude 15.6780 ± 0.0107
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 78828521

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 875
Semi-minor axis of confidence ellipse (meter) 376
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 249
Circular confidence region, given by single value of horizontal uncertainty (meter) 870.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 59
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.41
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.58456
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 78828521
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-05-04 06:26:53

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 78041711
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-04-09 12:21:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TDS.HHZ. 2020-04-09T12:06:36.27 3.0 undecidable manual S 0.69 0
IV.SALB.HHZ. 2020-04-09T12:06:20.78 3.0 undecidable manual P 0
IV.SIRI.HHZ. 2020-04-09T12:06:15.83 0.6 undecidable manual S 164 58.0974 50 0.68 40
IV.MCEL.HHZ. 2020-04-09T12:06:11.12 0.3 undecidable manual S 165 41.3253 50 0.44 66
IV.PALZ.HHZ. 2020-04-09T12:06:10.25 0.3 undecidable manual S 39 37.2294 50 0.67 62
IV.SLCN.HHZ. 2020-04-09T12:06:08.29 0.3 undecidable manual S 187 33.0447 50 -0.17 70
IV.MIGL.HHZ. 2020-04-09T12:06:08.23 0.1 undecidable manual P 98 64.8906 50 -0.32 85
IV.VULT.HHZ. 2020-04-09T12:06:08.02 0.1 undecidable manual S 350 30.3474 50 0.27 93
IV.MRVN.HHZ. 2020-04-09T12:06:07.88 0.3 undecidable manual P 46 60.1953 50 0.04 69
IV.SIRI.HHZ. 2020-04-09T12:06:06.92 0.3 undecidable manual P 164 58.0974 50 -0.59 60
IV.MRLC.HHZ. 2020-04-09T12:06:04.46 0.3 undecidable manual S 296 17.7711 121 0.22 71
IX.STN3.HHZ.02 2020-04-09T12:06:04.91 0.3 undecidable manual S 187 17.3715 121 0.77 59
IX.CLT3.HHE.02 2020-04-09T12:06:04.11 0.3 undecidable manual P 316 33.3444 50 0.41 67
IV.MCEL.HHZ. 2020-04-09T12:06:04.68 0.3 undecidable manual P 165 41.3253 50 -0.25 68
IV.SGO.HHE. 2020-04-09T12:06:03.56 0.6 undecidable manual P 246 34.1436 50 -0.27 46
IV.SLCN.HHZ. 2020-04-09T12:06:03.39 0.3 undecidable manual P 187 33.0447 50 -0.26 69
IV.PALZ.HHZ. 2020-04-09T12:06:03.90 0.1 undecidable manual P 39 37.2294 50 -0.4 88
IV.PZUN.HHZ. 2020-04-09T12:06:02.65 0.1 undecidable manual S 112 11.6772 132 0.1 97
IV.VULT.HHZ. 2020-04-09T12:06:02.92 0.3 undecidable manual P 350 30.3474 50 -0.31 68
IX.VDS3.HNN.01 2020-04-09T12:06:02.80 0.3 undecidable manual P 286 21.9669 50 0.85 57
IV.PZUN.HHZ. 2020-04-09T12:06:00.23 0.1 undecidable manual P 112 11.6772 132 -0.01 100
IV.MRLC.HHZ. 2020-04-09T12:06:00.27 0.1 positive manual P 296 17.7711 121 -0.95 76
IX.STN3.HHZ.02 2020-04-09T12:06:00.84 0.3 undecidable manual P 187 17.3715 121 -0.32 71
IV.AVG3.HNZ.01 2020-04-09T12:05:56.08 3.0 undecidable manual P 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PZUN.HNE. ML:1.9 0.0008414999999999999 0.32 AML other m 2020-04-09T12:06:03.63
IV.PZUN.HHE. ML:1.9 0.000825 0.34 AML other m 2020-04-09T12:06:03.63
IV.MRLC.HHE. ML:1.5 0.000282 0.5 AML other m 2020-04-09T12:06:05.06
IV.PZUN.HHN. ML:1.9 0.000815 0.3 AML other m 2020-04-09T12:06:06.41
IV.PZUN.HNN. ML:1.8 0.0007875 0.3 AML other m 2020-04-09T12:06:06.41
IV.MRLC.HHN. ML:1.7 0.000368 0.42 AML other m 2020-04-09T12:06:09.29
IV.VULT.HHE. ML:1.4 0.00010725000000000002 0.34 AML other m 2020-04-09T12:06:10.70
IV.MCEL.HHE. ML:1.1 0.000043899999999999996 1.4 AML other m 2020-04-09T12:06:12.79
IV.MCEL.HHN. ML:1.2 0.000047650000000000006 1.5 AML other m 2020-04-09T12:06:15.88
IV.VULT.HHN. ML:1.6 0.00017449999999999999 0.32 AML other m 2020-04-09T12:06:16.06
IV.SLCN.HHE. ML:1.7 0.00022250000000000001 0.4 AML other m 2020-04-09T12:06:16.54
IV.SLCN.HHN. ML:1.5 0.00014399999999999998 0.46 AML other m 2020-04-09T12:06:17.66
IV.SIRI.HHE. ML:1.3 0.00004725 0.78 AML other m 2020-04-09T12:06:20.43
IV.SIRI.HHN. ML:1.2 0.000034450000000000004 0.7 AML other m 2020-04-09T12:06:21.00
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