Earthquake with magnitude of ML 1.1 on date 19-02-2024 and time 20:57:20 (UTC) in region 8 km SW Irsina (MT)

A magnitude ML 1.1 earthquake occured in region: 8 km SW Irsina (MT), on

  • 19-02-2024 20:57:20 (UTC)
  • 19-02-2024 21:57:20 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 40.6820, 16.2030 at 10 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
Irsina MT 8 4960 4960
Grassano MT 9 5189 10149
Tricarico MT 9 5388 15537
San Chirico Nuovo PZ 10 1368 16905
Calciano MT 11 777 17682
Garaguso MT 15 1073 18755
Tolve PZ 16 3251 22006
Oliveto Lucano MT 16 450 22456
Campomaggiore PZ 17 811 23267
Grottole MT 17 2208 25475
Albano di Lucania PZ 18 1435 26910
Salandra MT 20 2829 29739

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km W of Matera (60436 inhabitants)
34 Km SW of Altamura (70396 inhabitants)
34 Km E of Potenza (67122 inhabitants)
61 Km S of Andria (100440 inhabitants)
63 Km SW of Bitonto (55540 inhabitants)
67 Km SW of Molfetta (59874 inhabitants)
67 Km SW of Bisceglie (55422 inhabitants)
68 Km S of Trani (56217 inhabitants)
70 Km SE of Cerignola (58396 inhabitants)
71 Km S of Barletta (94814 inhabitants)
75 Km SW of Bari (326344 inhabitants)
90 Km W of Taranto (201100 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 1.1 2024-02-19
20:57:20
40.6823 16.2035 10 2024-02-19
21:12:10
Sala Sismica INGV-Roma 125381921
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-02-19 20:57:20 ± 0.12
Latitude 40.6823 ± 0.0081
Longitude 16.2035 ± 0.0083
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 125381921

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 817
Semi-minor axis of confidence ellipse (meter) 550
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 198
Circular confidence region, given by single value of horizontal uncertainty (meter) 820.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 101
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.37
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.66100
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 125381921
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-02-19 21:12:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PIPA.HHZ. 2024-02-19T20:58:05.04 3.0 undecidable manual S 0.5 0
IV.SGRT.HHZ. 2024-02-19T20:57:58.86 3.0 undecidable manual S -0.48 0
IV.NOCI.HHZ. 2024-02-19T20:57:43.18 0.3 undecidable manual S 80 73.371 50 0.65 59
IV.BULG.HHZ. 2024-02-19T20:57:39.42 3.0 negative manual P 0.1 0
IV.MCEL.HHZ. 2024-02-19T20:57:37.14 0.6 undecidable manual S 221 52.1034 50 0.27 46
IV.AMUR.HHZ. 2024-02-19T20:57:34.50 0.3 undecidable manual S 53 41.9247 50 0.37 69
IV.MRVN.HHZ. 2024-02-19T20:57:34.12 0.3 undecidable manual S 359 42.0246 50 -0.05 73
IV.NOCI.HHZ. 2024-02-19T20:57:33.58 0.3 undecidable manual P 80 73.371 50 0.46 63
IV.MCEL.HHZ. 2024-02-19T20:57:29.41 0.1 undecidable manual P 221 52.1034 50 -0.45 88
IV.ACER.HHZ. 2024-02-19T20:57:29.68 0.3 undecidable manual S 298 24.753 112 0.12 74
IV.MIGL.HHZ. 2024-02-19T20:57:28.71 0.1 undecidable manual S 113 21.7671 115 0.11 100
IV.MRVN.HHZ. 2024-02-19T20:57:28.08 0.1 undecidable manual P 359 42.0246 50 -0.22 94
IV.AMUR.HHZ. 2024-02-19T20:57:27.84 0.3 undecidable manual P 53 41.9247 50 -0.43 68
GE.MATE.HHZ. 2024-02-19T20:57:27.94 0.1 undecidable manual P 95 42.3243 50 -0.41 91
IV.ACER.HHZ. 2024-02-19T20:57:25.74 0.1 undecidable manual P 298 24.753 112 0.11 100
IV.PTRP.HHZ. 2024-02-19T20:57:25.47 0.1 undecidable manual P 214 21.4674 115 0.44 93
IV.MIGL.HHZ. 2024-02-19T20:57:24.61 0.1 undecidable manual P 113 21.7671 115 -0.47 93
IV.PALZ.HHZ. 2024-02-19T20:57:12.73 3.0 undecidable manual P 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MIGL.HHN. ML:1.7 0.00033350000000000003 0.2 AML other m 2024-02-19T20:57:28.81
IV.MIGL.HHE. ML:1.3 0.000141 0.42 AML other m 2024-02-19T20:57:29.99
IV.PTRP.HHE. ML:0.8 0.00004105 0.5 AML other m 2024-02-19T20:57:31.71
IV.PTRP.HHN. ML:0.9 0.000055599999999999996 0.42 AML other m 2024-02-19T20:57:32.39
GE.MATE.HHE. ML:1.2 0.00004415 1.32 AML other m 2024-02-19T20:57:34.92
GE.MATE.HHN. ML:1.2 0.00004815 0.4 AML other m 2024-02-19T20:57:35.18
IV.AMUR.HHN. ML:1.1 0.00003885 0.42 AML other m 2024-02-19T20:57:35.64
IV.MRVN.HHN. ML:0.8 0.00002035 0.82 AML other m 2024-02-19T20:57:35.85
IV.AMUR.HHE. ML:1.1 0.00004055 0.8 AML other m 2024-02-19T20:57:35.47
IV.MRVN.HHE. ML:0.9 0.000023 0.82 AML other m 2024-02-19T20:57:35.89
IV.NOCI.HHN. ML:1.6 0.00005785 0.4 AML other m 2024-02-19T20:57:44.45
IV.NOCI.HHE. ML:1.5 0.000048049999999999996 0.26 AML other m 2024-02-19T20:57:46.33
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