Earthquake with magnitude of ML 0.8 on date 19-08-2023 and time 21:46:04 (Italy) in region 3 km NW Laurenzana (PZ)

A magnitude ML 0.8 earthquake occured in region: 3 km NW Laurenzana (PZ), on

  • 19-08-2023 19:46:04 (UTC)
  • 19-08-2023 21:46:04 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.4790, 15.9410 at 14 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Laurenzana PZ 3 1797 1797
Anzi PZ 4 1696 3493
Calvello PZ 8 1948 5441
Castelmezzano PZ 11 800 6241
Pietrapertosa PZ 11 1032 7273
Abriola PZ 11 1531 8804
Trivigno PZ 12 678 9482
Corleto Perticara PZ 14 2511 11993
Albano di Lucania PZ 14 1435 13428
Brindisi Montagna PZ 15 908 14336
Campomaggiore PZ 15 811 15147
Marsicovetere PZ 15 5546 20693
Viggiano PZ 16 3329 24022
Pignola PZ 17 6962 30984
Accettura MT 18 1856 32840
Guardia Perticara PZ 19 552 33392
Marsico Nuovo PZ 19 4098 37490
Gorgoglione MT 20 989 38479

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km SE of Potenza (67122 inhabitants)
59 Km W of Matera (60436 inhabitants)
65 Km SW of Altamura (70396 inhabitants)
82 Km E of Battipaglia (50786 inhabitants)
88 Km S of Cerignola (58396 inhabitants)
88 Km SW of Andria (100440 inhabitants)
95 Km SW of Bitonto (55540 inhabitants)
97 Km SW of Trani (56217 inhabitants)
97 Km SW of Bisceglie (55422 inhabitants)
98 Km S of Barletta (94814 inhabitants)
98 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 0.8 2023-08-19
19:46:04
40.4793 15.9412 14 2023-08-19
19:56:57
Sala Sismica INGV-Roma 120301771
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-08-19 19:46:04 ± 0.24
Latitude 40.4793 ± 0.0063
Longitude 15.9412 ± 0.0106
Depth (km) 14 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 120301771

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 828
Semi-minor axis of confidence ellipse (meter) 715
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 56
Circular confidence region, given by single value of horizontal uncertainty (meter) 830.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 115
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.30217
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 120301771
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-08-19 19:56:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IT.FIE.HGZ. 2023-08-19T19:47:54.32 3.0 undecidable manual Sn -2.05 0
IV.HPAC.HHZ. 2023-08-19T19:47:45.34 3.0 undecidable manual Sn 4.74 0
IV.SCIAC.HHZ. 2023-08-19T19:47:35.98 3.0 undecidable manual Sn -2.59 0
GU.CANO.HHZ. 2023-08-19T19:47:32.06 3.0 negative manual Pn 2.67 0
IV.ZCCA.HHZ. 2023-08-19T19:47:30.80 3.0 positive manual Pg 22.620001 0
IV.FNVD.HHZ. 2023-08-19T19:47:29.89 3.0 negative manual Pg 24.4 0
GU.GRAM.HHZ. 2023-08-19T19:47:24.26 3.0 undecidable manual Pn 7.99 0
IV.CAMP.HHZ. 2023-08-19T19:47:23.97 3.0 undecidable manual Sg 15.04 0
IV.CPOZ.HNZ. 2023-08-19T19:46:43.10 3.0 undecidable manual Sg 0 0
IV.SGG.HHZ. 2023-08-19T19:46:43.61 3.0 undecidable manual Sg 1.9 0
IV.ECTS.HHZ. 2023-08-19T19:46:37.44 3.0 undecidable manual Pn 0.42 0
IV.GUMA.HHZ. 2023-08-19T19:46:36.85 3.0 negative manual Pn -2.79 0
IV.MCRV.HHZ. 2023-08-19T19:46:23.38 3.0 undecidable manual Sg -4.86 0
IV.SCHR.EHZ. 2023-08-19T19:46:15.64 0.6 undecidable manual S 160 33.1446 99 0.14 48
IV.GATE.HHZ. 2023-08-19T19:46:15.95 3.0 undecidable manual P -0.05 0
IV.SIRI.HHZ. 2023-08-19T19:46:15.82 0.3 undecidable manual S 191 33.5442 99 0.19 71
IV.MTSN.HNZ. 2023-08-19T19:46:14.09 0.3 undecidable manual S 214 28.5492 101 -0.22 71
IV.MCEL.HHZ. 2023-08-19T19:46:12.52 0.3 undecidable manual S 214 20.7681 109 0.22 72
IV.SIRI.HHZ. 2023-08-19T19:46:10.77 1.0 undecidable manual P 191 33.5442 99 0 25
IV.SCHR.EHZ. 2023-08-19T19:46:10.56 0.1 undecidable manual P 160 33.1446 99 -0.14 95
IV.PTRP.HHZ. 2023-08-19T19:46:09.90 0.3 undecidable manual S 65 11.1777 132 -0.17 74
IV.MTSN.HNZ. 2023-08-19T19:46:09.77 0.1 undecidable manual P 214 28.5492 101 -0.24 94
IV.MCEL.HHZ. 2023-08-19T19:46:08.96 0.6 undecidable manual P 214 20.7681 109 0.1 49
IX.PGN3.HNE. 2023-08-19T19:46:08.33 0.1 undecidable manual P 310 15.9729 118 0.16 99
IV.PTRP.HHZ. 2023-08-19T19:46:07.69 0.1 undecidable manual P 65 11.1777 132 0.12 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MCEL.HHN. ML:0.9 0.000056800000000000005 1.78 AML other m 2023-08-19T19:46:12.02
IV.MCEL.HHE. ML:0.8 0.000040158035 0.1024 AML other m 2023-08-19T19:46:13.19
IV.SIRI.HHN. ML:0.6 0.000017135215000000003 0.1536 AML other m 2023-08-19T19:46:17.27
IV.PTRP.HHE. ML:0.8 0.000055092799999999995 2.1632 AML other m 2023-08-19T19:46:16.63
IV.PTRP.HHN. ML:0.7 0.000047789685 0.4096 AML other m 2023-08-19T19:46:11.44
IV.MCEL.HNE. ML:1.4 0.00014719389999999998 0.2304 AML other m 2023-08-19T19:46:14.06
IV.MCEL.HNN. ML:1.3 0.00011318596000000001 0.2816 AML other m 2023-08-19T19:46:14.41
IV.SCHR.EHE. ML:0.6 0.00001403306 0.2816 AML other m 2023-08-19T19:46:16.36
IV.SCHR.EHN. ML:0.7 0.000018626265 0.2304 AML other m 2023-08-19T19:46:16.49
IV.SIRI.HNE. ML:1.0 0.000043668084999999995 0.64 AML other m 2023-08-19T19:46:20.28
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