Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.7 on date 17-04-2020 and time 23:32:22 (UTC) in region 3 km W Potenza (PZ)

A magnitude ML 0.7 earthquake occured in region: 3 km W Potenza (PZ), on

  • 17-04-2020 23:32:22 (UTC)
  • 18-04-2020 01:32:22 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.6290, 15.7730 at 22 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
Potenza PZ 3 67122 67122
Pignola PZ 6 6962 74084
Tito PZ 9 7332 81416
Picerno PZ 12 5985 87401
Avigliano PZ 12 11577 98978
Ruoti PZ 13 3579 102557
Vaglio Basilicata PZ 13 2047 104604
Abriola PZ 14 1531 106135
Brindisi Montagna PZ 14 908 107043
Satriano di Lucania PZ 15 2374 109417
Baragiano PZ 16 2671 112088
Pietragalla PZ 16 4160 116248
Cancellara PZ 17 1309 117557
Sasso di Castalda PZ 18 835 118392
Anzi PZ 18 1696 120088
Calvello PZ 18 1948 122036
Trivigno PZ 19 678 122714
Savoia di Lucania PZ 20 1127 123841

Municipalities with at least 50000 inhabitants

An earthquake occurred to
3 Km W of Potenza (67122 inhabitants)
67 Km E of Battipaglia (50786 inhabitants)
69 Km W of Altamura (70396 inhabitants)
70 Km W of Matera (60436 inhabitants)
72 Km S of Cerignola (58396 inhabitants)
80 Km SW of Andria (100440 inhabitants)
86 Km E of Salerno (135261 inhabitants)
88 Km SW of Barletta (94814 inhabitants)
88 Km E of Avellino (54857 inhabitants)
90 Km SW of Trani (56217 inhabitants)
90 Km E of Cava de' Tirreni (53659 inhabitants)
92 Km SW of Bisceglie (55422 inhabitants)
94 Km SW of Bitonto (55540 inhabitants)
95 Km S of Foggia (151991 inhabitants)
95 Km SW of Molfetta (59874 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 0.7 2020-04-17
23:32:22		 40.6293 15.7727 22 2020-04-17
23:40:17		 Sala Sismica INGV-Roma 78333081
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-04-17 23:32:22 ± 0.16
Latitude 40.6293 ± 0.0054
Longitude 15.7727 ± 0.0107
Depth (km) 22 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 78333081

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 770
Semi-minor axis of confidence ellipse (meter) 500
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 95
Circular confidence region, given by single value of horizontal uncertainty (meter) 770.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 83
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.03058
Epicentral distance of station farthest from the epicenter (degree) 0.51891
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.5
Num. used stations 9
Type of magnitude ML
Reference to an origin 78333081
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-04-17 23:40:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MGR.HHZ. 2020-04-17T23:32:41.17 0.3 undecidable manual S 199 57.5979 104 0.32 65
IV.SIRI.HNN. 2020-04-17T23:32:39.05 0.3 undecidable manual S 171 50.2164 106 0.09 70
IV.PALZ.HHZ. 2020-04-17T23:32:35.93 0.3 undecidable manual S 24 38.3283 112 -0.02 72
IV.MCEL.HHZ. 2020-04-17T23:32:34.51 0.3 undecidable manual S 176 33.8439 116 -0.35 68
IV.PTRP.HHZ. 2020-04-17T23:32:33.88 0.3 undecidable manual S 116 27.1506 122 0.6 66
IV.MRLC.HHZ. 2020-04-17T23:32:33.61 0.3 undecidable manual S 301 27.75 122 0.18 71
IV.MGR.HHZ. 2020-04-17T23:32:33.42 0.3 undecidable manual P 199 57.5979 104 0.26 66
IV.SLCN.HNZ. 2020-04-17T23:32:33.58 0.3 undecidable manual S 204 29.0487 120 -0.15 72
IX.SRN3.HHZ.02 2020-04-17T23:32:33.86 0.3 undecidable manual S 239 30.9468 118 -0.3 70
IV.SIRI.HNN. 2020-04-17T23:32:32.67 0.3 undecidable manual P 171 50.2164 106 0.61 62
IV.MIGL.HHZ. 2020-04-17T23:32:32.73 0.1 undecidable manual P 93 56.3991 104 -0.25 89
IX.STN3.HHZ.02 2020-04-17T23:32:31.34 0.1 undecidable manual S 223 14.9739 141 0.48 91
IV.PALZ.HHZ. 2020-04-17T23:32:30.90 0.3 undecidable manual P 24 38.3283 112 0.57 64
IV.MCEL.HHZ. 2020-04-17T23:32:29.22 0.3 undecidable manual P 176 33.8439 116 -0.48 66
IV.SLCN.HNZ. 2020-04-17T23:32:29.04 0.3 undecidable manual P 204 29.0487 120 -0.01 74
IV.PZUN.HHZ. 2020-04-17T23:32:29.47 0.1 undecidable manual S 58 3.3966 170 -0.1 100
IX.SRN3.HHZ.02 2020-04-17T23:32:28.83 0.1 undecidable manual P 239 30.9468 118 -0.47 90
IV.PTRP.HHZ. 2020-04-17T23:32:28.69 0.3 undecidable manual P 116 27.1506 122 -0.1 72
IV.MRLC.HHZ. 2020-04-17T23:32:28.90 0.1 undecidable manual P 301 27.75 122 0.03 98
IX.STN3.HHZ.02 2020-04-17T23:32:27.48 0.1 undecidable manual P 223 14.9739 141 0.08 99
IV.PZUN.HHZ. 2020-04-17T23:32:26.45 0.1 undecidable manual P 58 3.3966 170 -0.19 99
IX.PGN3.HHZ.02 2020-04-17T23:32:26.28 0.1 undecidable manual P 162 6.6933 161 -0.49 92
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PZUN.HHN. ML:1.0 0.00006654999999999999 0.2 AML other m 2020-04-17T23:32:30.04
IV.PZUN.HHE. ML:0.9 0.0000562 0.18 AML other m 2020-04-17T23:32:30.07
IX.STN3.HHE.02 ML:2.7 0.00316 0.26 AML other m 2020-04-17T23:32:31.68
IX.STN3.HHN.02 ML:2.6 0.0025250000000000003 0.6 AML other m 2020-04-17T23:32:32.15
IV.MRLC.HHE. ML:0.6 0.00001645 0.92 AML other m 2020-04-17T23:32:34.17
IV.MRLC.HHN. ML:0.7 0.000021 0.3 AML other m 2020-04-17T23:32:35.62
IV.PTRP.HHN. ML:0.4 0.000010375665499999999 0.4608 AML other m 2020-04-17T23:32:35.04
IV.MCEL.HHE. ML:0.4 0.000010015414 0.1664 AML other m 2020-04-17T23:32:35.95
IV.MCEL.HHN. ML:0.4 0.0000079235985 0.3968 AML other m 2020-04-17T23:32:38.85
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