Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.8 on date 19-04-2020 and time 22:49:37 (UTC) in region 3 km N Savoia di Lucania (PZ)

A magnitude ML 0.8 earthquake occured in region: 3 km N Savoia di Lucania (PZ), on

  • 19-04-2020 22:49:37 (UTC)
  • 20-04-2020 00:49:37 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.5980, 15.5580 at 22 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
Savoia di Lucania PZ 3 1127 1127
Vietri di Potenza PZ 4 2832 3959
Sant'Angelo Le Fratte PZ 6 1429 5388
Caggiano SA 6 2765 8153
Balvano PZ 7 1830 9983
Picerno PZ 8 5985 15968
Salvitelle SA 8 560 16528
Satriano di Lucania PZ 9 2374 18902
Baragiano PZ 10 2671 21573
Ricigliano SA 10 1144 22717
Tito PZ 10 7332 30049
Polla SA 11 5279 35328
Romagnano al Monte SA 11 368 35696
Pertosa SA 11 690 36386
Auletta SA 12 2336 38722
Brienza PZ 15 4078 42800
San Gregorio Magno SA 15 4286 47086
Sant'Arsenio SA 15 2815 49901
Atena Lucana SA 16 2336 52237
Sasso di Castalda PZ 16 835 53072
Buccino SA 17 5047 58119
Ruoti PZ 17 3579 61698
San Pietro al Tanagro SA 17 1695 63393
Petina SA 17 1159 64552
Bella PZ 18 5171 69723
Muro Lucano PZ 18 5497 75220
Pignola PZ 19 6962 82182
San Rufo SA 20 1754 83936

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km W of Potenza (67122 inhabitants)
49 Km E of Battipaglia (50786 inhabitants)
68 Km E of Salerno (135261 inhabitants)
73 Km E of Cava de' Tirreni (53659 inhabitants)
73 Km SE of Avellino (54857 inhabitants)
80 Km SW of Cerignola (58396 inhabitants)
88 Km W of Altamura (70396 inhabitants)
88 Km SE of Benevento (60091 inhabitants)
88 Km W of Matera (60436 inhabitants)
89 Km E of Scafati (50787 inhabitants)
92 Km E of Castellammare di Stabia (66466 inhabitants)
94 Km SW of Andria (100440 inhabitants)
96 Km S of Foggia (151991 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 0.8 2020-04-19
22:49:37		 40.5978 15.5582 22 2020-07-18
21:08:33		 Bollettino Sismico Italiano INGV 78438191
Reviewed
Rev100 		ML 0.9 2020-04-19
22:49:37		 40.5982 15.5632 23 2020-04-19
22:56:42		 Sala Sismica INGV-Roma 78400261
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-04-19 22:49:37 ± 0.14
Latitude 40.5978 ± 0.0036
Longitude 15.5582 ± 0.0059
Depth (km) 22 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 78438191

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 532
Semi-minor axis of confidence ellipse (meter) 168
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 64
Circular confidence region, given by single value of horizontal uncertainty (meter) 530.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 43
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.05396
Epicentral distance of station farthest from the epicenter (degree) 0.47754
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.5
Num. used stations 8
Type of magnitude ML
Reference to an origin 78400261
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-04-19 22:56:42

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 78438191
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-04-21 06:48:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MCEL.HHZ. 2020-04-19T22:49:51.20 0.6 undecidable manual S 146 36.6411 113 0.43 45
IV.VULT.HHZ. 2020-04-19T22:49:51.20 0.6 undecidable manual S 7 39.9267 111 -0.38 45
IV.PZUN.HHZ. 2020-04-19T22:49:47.44 0.6 undecidable manual S 76 21.6672 129 0.12 49
IV.SIRI.HHZ. 2020-04-19T22:49:47.49 0.6 undecidable manual P 150 53.0025 105 -0.24 44
IV.SLCN.HHZ. 2020-04-19T22:49:47.96 0.6 undecidable manual S 165 23.8539 126 0.16 48
IX.PGN3.HHZ.02 2020-04-19T22:49:47.50 0.6 undecidable manual S 98 20.2686 131 0.45 46
IV.PALZ.HHZ. 2020-04-19T22:49:47.11 0.6 undecidable manual P 41 51.1155 106 -0.35 44
IT.SLC1.HGZ. 2020-04-19T22:49:47.58 0.3 undecidable manual S 172 22.755 128 0.03 75
IV.MRLC.HHZ. 2020-04-19T22:49:47.08 0.3 undecidable manual S 342 18.5703 134 0.37 69
IV.SGO.HNZ. 2020-04-19T22:49:47.55 0.3 undecidable manual S 259 21.5673 129 0.24 71
IX.COL3.HHZ.02 2020-04-19T22:49:46.89 0.6 undecidable manual S 297 21.5673 129 -0.42 46
IV.MCEL.HHZ. 2020-04-19T22:49:45.15 0.6 undecidable manual P 146 36.6411 113 -0.19 46
IX.SRN3.HHZ.02 2020-04-19T22:49:45.95 0.3 undecidable manual S 214 14.9739 141 -0.12 74
IV.VULT.HHZ. 2020-04-19T22:49:45.65 0.6 undecidable manual P 7 39.9267 111 -0.16 47
IX.SCL3.HHZ. 2020-04-19T22:49:45.54 0.6 undecidable manual S 340 11.4774 149 0.01 50
IX.STN3.HNZ.01 2020-04-19T22:49:45.01 0.6 undecidable manual S 134 10.878 150 -0.44 47
IV.CAGG.EHZ. 2020-04-19T22:49:44.55 0.6 undecidable manual S 221 5.994 163 -0.37 48
IX.COL3.HHZ.02 2020-04-19T22:49:43.11 0.6 undecidable manual P 297 21.5673 129 -0.23 48
IT.SLC1.HGZ. 2020-04-19T22:49:43.55 0.6 undecidable manual P 172 22.755 128 0.06 50
IV.MRLC.HHZ. 2020-04-19T22:49:43.30 0.3 undecidable manual P 342 18.5703 134 0.3 71
IV.SGO.HNZ. 2020-04-19T22:49:43.78 0.6 undecidable manual P 259 21.5673 129 0.44 46
IV.PZUN.HHZ. 2020-04-19T22:49:43.22 0.6 undecidable manual P 76 21.6672 129 -0.13 48
IV.SLCN.HHZ. 2020-04-19T22:49:43.71 0.3 positive manual P 165 23.8539 126 0.08 74
IX.PGN3.HHZ.02 2020-04-19T22:49:43.25 0.1 undecidable manual P 98 20.2686 131 0.06 99
IX.STN3.HNZ.01 2020-04-19T22:49:42.09 0.6 undecidable manual P 134 10.878 150 -0.17 49
IX.SRN3.HHZ.02 2020-04-19T22:49:42.74 0.3 undecidable manual P 214 14.9739 141 0.12 74
IX.SCL3.HHZ. 2020-04-19T22:49:42.38 0.1 undecidable manual P 340 11.4774 149 0.07 100
IV.CAGG.EHZ. 2020-04-19T22:49:41.76 0.3 undecidable manual P 221 5.994 163 -0.2 74
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PZUN.HHN. ML:1.0 0.00004475 0.18 AML other m 2020-04-19T22:49:49.41
IV.MRLC.HHE. ML:0.7 0.00002375 1.52 AML other m 2020-04-19T22:49:49.87
IV.PZUN.HHE. ML:1.0 0.00004295 1.78 AML other m 2020-04-19T22:49:50.89
IV.MRLC.HHN. ML:0.7 0.00003145 1.5 AML other m 2020-04-19T22:49:50.97
IV.MCEL.HHN. ML:0.7 0.000017100000000000002 1.06 AML other m 2020-04-19T22:49:52.66
IV.MCEL.HHE. ML:0.7 0.00001695 0.72 AML other m 2020-04-19T22:49:55.23
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