Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 16-05-2022 and time 23:55:42 (Italy) in region 4 km SW Vaglio Basilicata (PZ)

A magnitude ML 1.1 earthquake occured in region: 4 km SW Vaglio Basilicata (PZ), on

  • 16-05-2022 21:55:42 (UTC)
  • 16-05-2022 23:55:42 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.6380, 15.9030 at 21 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
Vaglio Basilicata PZ 4 2047 2047
Brindisi Montagna PZ 4 908 2955
Potenza PZ 8 67122 70077
Trivigno PZ 10 678 70755
Cancellara PZ 11 1309 72064
Tolve PZ 11 3251 75315
Pignola PZ 12 6962 82277
Pietragalla PZ 12 4160 86437
Albano di Lucania PZ 13 1435 87872
Anzi PZ 14 1696 89568
San Chirico Nuovo PZ 16 1368 90936
Oppido Lucano PZ 16 3813 94749
Abriola PZ 16 1531 96280
Campomaggiore PZ 17 811 97091
Castelmezzano PZ 17 800 97891
Acerenza PZ 18 2402 100293
Avigliano PZ 19 11577 111870
Calvello PZ 19 1948 113818
Pietrapertosa PZ 19 1032 114850
Tito PZ 20 7332 122182

Municipalities with at least 50000 inhabitants

An earthquake occurred to
8 Km E of Potenza (67122 inhabitants)
59 Km W of Matera (60436 inhabitants)
59 Km W of Altamura (70396 inhabitants)
70 Km S of Cerignola (58396 inhabitants)
73 Km SW of Andria (100440 inhabitants)
78 Km E of Battipaglia (50786 inhabitants)
82 Km SW of Barletta (94814 inhabitants)
83 Km SW of Trani (56217 inhabitants)
84 Km SW of Bisceglie (55422 inhabitants)
85 Km SW of Bitonto (55540 inhabitants)
86 Km SW of Molfetta (59874 inhabitants)
97 Km E of Salerno (135261 inhabitants)
97 Km SE of Foggia (151991 inhabitants)
98 Km SW of Bari (326344 inhabitants)
98 Km E of Avellino (54857 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 1.1 2022-05-16
21:55:42		 40.6382 15.9028 21 2023-01-31
19:03:37		 Bollettino Sismico Italiano INGV 109243751
Reviewed
Rev100 		ML 1.0 2022-05-16
21:55:42		 40.6248 15.9348 10 2022-05-16
22:10:13		 Sala Sismica INGV-Roma 104732481
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-05-16 21:55:42 ± 0.21
Latitude 40.6382 ± 0.0099
Longitude 15.9028 ± 0.0119
Depth (km) 21 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 109243751

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 998
Semi-minor axis of confidence ellipse (meter) 920
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 145
Circular confidence region, given by single value of horizontal uncertainty (meter) 1000.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 99
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) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.07285
Epicentral distance of station farthest from the epicenter (degree) 0.47664
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 109243751
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-09-02 09:56:22

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 104732481
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-05-16 22:10:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MRVN.HHZ. 2022-05-16T21:55:59.07 0.6 undecidable manual S 28 52.9026 104 -0.17 45
IV.MIGL.HHZ. 2022-05-16T21:55:58.04 0.6 undecidable manual S 95 45.4212 106 0.73 39
IV.MTSN.HNN. 2022-05-16T21:55:56.72 0.6 undecidable manual S 197 43.2234 107 -0.01 48
IV.SLCN.HHZ. 2022-05-16T21:55:55.22 0.6 undecidable manual S 220 35.742 112 0.37 45
IV.MCEL.HHZ. 2022-05-16T21:55:54.89 0.6 undecidable manual S 194 35.742 112 0.03 48
IX.STN3.HNZ.02 2022-05-16T21:55:53.33 0.6 undecidable manual S 241 24.3534 123 1.18 33
IV.MRVN.HHZ. 2022-05-16T21:55:52.20 0.3 undecidable manual P 28 52.9026 104 0.1 70
IV.MTSN.HNN. 2022-05-16T21:55:50.00 0.3 undecidable manual P 197 43.2234 107 -0.64 62
IV.ACER.HHZ. 2022-05-16T21:55:50.92 0.6 undecidable manual S 11 16.872 135 0.33 47
IV.MIGL.HHZ. 2022-05-16T21:55:50.91 0.1 undecidable manual P 95 45.4212 106 -0.08 94
IX.PGN3.HHZ.02 2022-05-16T21:55:49.44 0.6 undecidable manual S 231 11.5773 147 -0.26 48
IV.MCEL.HHZ. 2022-05-16T21:55:49.41 0.1 undecidable manual P 194 35.742 112 -0.16 94
IV.PZUN.HNN. 2022-05-16T21:55:49.12 0.6 undecidable manual S 276 8.0808 156 -0.14 49
IV.SLCN.HHZ. 2022-05-16T21:55:49.65 0.3 undecidable manual P 220 35.742 112 0.09 71
IX.STN3.HNZ.02 2022-05-16T21:55:48.51 0.3 undecidable manual P 241 24.3534 123 0.51 66
IV.ACER.HHZ. 2022-05-16T21:55:47.12 0.1 undecidable manual P 11 16.872 135 0.02 100
IX.PGN3.HHZ.02 2022-05-16T21:55:46.16 0.1 undecidable manual P 231 11.5773 147 -0.43 93
IV.PZUN.HNN. 2022-05-16T21:55:46.18 0.1 undecidable manual P 276 8.0808 156 -0.16 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IX.PGN3.HHE.02 ML:0.8 0.00003985 0.22 AML other m 2022-05-16T21:55:49.79
IX.PGN3.HHN.02 ML:0.6 0.0000281 1.58 AML other m 2022-05-16T21:55:51.79
IV.ACER.HNN. ML:1.3 0.000125 0.22 AML other m 2022-05-16T21:55:51.11
IV.ACER.HHN. ML:1.3 0.0001261 0.22 AML other m 2022-05-16T21:55:51.11
IV.ACER.HNE. ML:1.4 0.00016749999999999998 0.28 AML other m 2022-05-16T21:55:51.14
IV.ACER.HHE. ML:1.5 0.00017099999999999998 0.28 AML other m 2022-05-16T21:55:51.14
IV.MCEL.HHN. ML:0.8 0.000019549999999999997 0.92 AML other m 2022-05-16T21:55:55.11
IV.MCEL.HHE. ML:0.9 0.00002275 0.64 AML other m 2022-05-16T21:55:55.59
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