Earthquake with magnitude of ML 0.6 on date 20-04-2023 and time 00:05:36 (Italy) in region 5 km E Altamura (BA)

A magnitude ML 0.6 earthquake occured in region: 5 km E Altamura (BA), on

  • 19-04-2023 22:05:36 (UTC)
  • 20-04-2023 00:05:36 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.8300, 16.6160 at 30 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 5 70396 70396
Santeramo in Colle BA 12 26734 97130
Cassano delle Murge BA 15 14732 111862
Gravina in Puglia BA 17 43872 155734
Matera MT 18 60436 216170
Toritto BA 19 8530 224700

Municipalities with at least 50000 inhabitants

An earthquake occurred to
5 Km E of Altamura (70396 inhabitants)
18 Km N of Matera (60436 inhabitants)
32 Km S of Bitonto (55540 inhabitants)
39 Km SW of Bari (326344 inhabitants)
42 Km S of Molfetta (59874 inhabitants)
47 Km S of Bisceglie (55422 inhabitants)
52 Km SE of Andria (100440 inhabitants)
52 Km SE of Trani (56217 inhabitants)
61 Km SE of Barletta (94814 inhabitants)
65 Km NW of Taranto (201100 inhabitants)
71 Km E of Potenza (67122 inhabitants)
77 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 0.6 2023-04-19
22:05:36
40.8302 16.6157 30 2023-04-19
22:14:18
Sala Sismica INGV-Roma 116532111
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-19 22:05:36 ± 0.23
Latitude 40.8302 ± 0.0072
Longitude 16.6157 ± 0.0071
Depth (km) 30 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 116532111

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 718
Semi-minor axis of confidence ellipse (meter) 433
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 169
Circular confidence region, given by single value of horizontal uncertainty (meter) 720.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 113
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.07734
Epicentral distance of station farthest from the epicenter (degree) 0.39210
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 116532111
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-19 22:14:18
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MRVN.HHZ. 2023-04-19T22:05:51.89 0.6 undecidable manual S 306 43.5231 119 -0.13 63
IV.NOCI.HNZ. 2023-04-19T22:05:50.88 0.6 undecidable manual S 97 37.9287 123 0.13 64
IV.MIGL.HHZ. 2023-04-19T22:05:48.87 0.6 undecidable manual S 210 29.0487 131 0.01 67
IV.MRVN.HHZ. 2023-04-19T22:05:45.64 0.6 negative manual P 306 43.5231 119 0.14 63
IV.AMUR.HHZ. 2023-04-19T22:05:45.72 0.6 undecidable manual S 353 8.5803 162 -0.08 68
IV.NOCI.HNZ. 2023-04-19T22:05:44.50 0.6 undecidable manual P 97 37.9287 123 -0.27 62
IV.MIGL.HHZ. 2023-04-19T22:05:43.66 0.3 undecidable manual P 210 29.0487 131 -0.02 100
IV.AMUR.HHZ. 2023-04-19T22:05:42.11 0.6 negative manual P 353 8.5803 162 0.2 67
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.AMUR.HHE. ML:0.3 0.000010667275 1.8304 AML other m 2023-04-19T22:05:47.64
IV.AMUR.HHN. ML:0.5 0.000017368745 0.1408 AML other m 2023-04-19T22:05:46.07
IV.MIGL.HHE. ML:1.3 0.00007232306 1.3824 AML other m 2023-04-19T22:05:49.04
IV.MIGL.HHN. ML:0.8 0.000019732954999999996 0.4992 AML other m 2023-04-19T22:05:49.26
IV.MRVN.HHE. ML:0.6 0.000007564571500000001 0.2304 AML other m 2023-04-19T22:05:52.08
IV.MRVN.HHN. ML:0.6 0.000009106354 0.2432 AML other m 2023-04-19T22:05:51.97
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