Earthquake with magnitude of ML 1.7 on date 20-11-2023 and time 01:29:01 (Italy) in region 3 km E Altamura (BA)

A magnitude ML 1.7 earthquake occured in region: 3 km E Altamura (BA), on

  • 20-11-2023 00:29:01 (UTC)
  • 20-11-2023 01:29:01 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 40.8200, 16.5830 at 29 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
Altamura BA 3 70396 70396
Gravina in Puglia BA 14 43872 114268
Santeramo in Colle BA 15 26734 141002
Matera MT 17 60436 201438
Cassano delle Murge BA 18 14732 216170

Municipalities with at least 50000 inhabitants

An earthquake occurred to
3 Km E of Altamura (70396 inhabitants)
17 Km N of Matera (60436 inhabitants)
34 Km S of Bitonto (55540 inhabitants)
42 Km SW of Bari (326344 inhabitants)
43 Km S of Molfetta (59874 inhabitants)
48 Km S of Bisceglie (55422 inhabitants)
51 Km SE of Andria (100440 inhabitants)
53 Km S of Trani (56217 inhabitants)
61 Km SE of Barletta (94814 inhabitants)
67 Km NW of Taranto (201100 inhabitants)
68 Km E of Potenza (67122 inhabitants)
76 Km SE of Cerignola (58396 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 1.7 2023-11-20
00:29:01
40.8197 16.5827 29 2023-11-20
00:34:09
Sala Sismica INGV-Roma 123269941
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-11-20 00:29:01 ± 0.18
Latitude 40.8197 ± 0.0072
Longitude 16.5827 ± 0.0095
Depth (km) 29 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 123269941

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 955
Semi-minor axis of confidence ellipse (meter) 314
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 230
Circular confidence region, given by single value of horizontal uncertainty (meter) 960.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 60
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 14
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) 0.48563
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 123269941
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-11-20 00:34:09
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ORI.HHZ. 2023-11-20T00:29:16.63 3.0 positive manual P 0.01 0
IV.NOCI.HHZ. 2023-11-20T00:29:16.44 0.6 undecidable manual S 95 40.626 120 0.04 48
IV.MRVN.HHZ. 2023-11-20T00:29:16.34 0.6 undecidable manual S 310 42.0246 119 -0.4 44
IV.MIGL.HHZ. 2023-11-20T00:29:13.87 0.6 undecidable manual S 207 26.6511 133 0.47 44
IV.LTRZ.HNZ. 2023-11-20T00:29:13.96 0.6 undecidable manual S 140 31.1466 128 -0.35 45
GE.MATE.HHZ. 2023-11-20T00:29:12.27 0.6 undecidable manual S 152 21.4674 139 -0.16 48
IV.ACER.HHZ. 2023-11-20T00:29:12.18 0.6 positive manual P 266 53.9016 112 0.1 46
IV.AMUR.HHZ. 2023-11-20T00:29:11.03 0.6 undecidable manual S 10 9.879 159 0.2 48
IV.NOCI.HHZ. 2023-11-20T00:29:10.24 0.1 negative manual P 95 40.626 120 0 95
IV.MRVN.HHZ. 2023-11-20T00:29:10.32 0.1 negative manual P 310 42.0246 119 -0.11 93
OT.OT15.EHZ. 2023-11-20T00:29:10.38 0.3 undecidable manual P 38 40.626 120 0.14 70
IV.LTRZ.HNZ. 2023-11-20T00:29:09.18 0.1 undecidable manual P 140 31.1466 128 0.15 95
IV.MIGL.HHZ. 2023-11-20T00:29:08.48 1.0 undecidable manual P 207 26.6511 133 -0.02 24
GE.MATE.HHZ. 2023-11-20T00:29:07.81 0.1 positive manual P 152 21.4674 139 -0.14 96
IV.AMUR.HHZ. 2023-11-20T00:29:07.07 0.1 undecidable manual P 10 9.879 159 0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GE.MATE.HHE. ML:1.4 0.00010769999999999999 0.16 AML other m 2023-11-20T00:29:12.18
GE.MATE.HHN. ML:1.5 0.000129 0.4 AML other m 2023-11-20T00:29:12.20
IV.MIGL.HHE. ML:1.7 0.000202 0.26 AML other m 2023-11-20T00:29:13.94
IV.MIGL.HHN. ML:2.0 0.0003305 0.18 AML other m 2023-11-20T00:29:13.94
IV.MRVN.HHE. ML:1.6 0.0000934 0.26 AML other m 2023-11-20T00:29:16.53
IV.NOCI.HNN. ML:1.8 0.0001835 0.1 AML other m 2023-11-20T00:29:16.60
IV.NOCI.HHN. ML:1.9 0.00019800000000000002 0.08 AML other m 2023-11-20T00:29:16.61
IV.MRVN.HHN. ML:1.8 0.00016599999999999997 0.26 AML other m 2023-11-20T00:29:16.67
IV.NOCI.HNE. ML:1.8 0.0001825 0.2 AML other m 2023-11-20T00:29:16.79
IV.NOCI.HHE. ML:1.9 0.000195 0.18 AML other m 2023-11-20T00:29:16.79
IV.ACER.HHN. ML:1.3 0.000046150000000000004 0.66 AML other m 2023-11-20T00:29:20.10
IV.ACER.HHE. ML:1.6 0.00008879999999999999 1.08 AML other m 2023-11-20T00:29:20.72
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