Earthquake (quarry blast) with magnitude of ML 0.7 on date 16-07-2024 and time 09:59:30 (Italy) in region 2 km S Ottana (NU)

A magnitude ML 0.7 (quarry blast) earthquake occured in region: 2 km S Ottana (NU), on

  • 16-07-2024 07:59:30 (UTC)
  • 16-07-2024 09:59:30 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.2140, 9.0440 at 1 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

Event type: quarry blast.

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
Ottana NU 3 2334 2334
Olzai NU 10 875 3209
Noragugume NU 11 324 3533
Sarule NU 11 1691 5224
Sedilo OR 11 2144 7368
Orotelli NU 12 2054 9422
Orani NU 12 2891 12313
Dualchi NU 12 625 12938
Ollolai NU 13 1318 14256
Oniferi NU 13 898 15154
Gavoi NU 14 2695 17849
Nughedu Santa Vittoria OR 14 489 18338
Bidonì OR 14 148 18486
Teti NU 15 677 19163
Bolotana NU 15 2656 21819
Lei NU 15 516 22335
Sorradile OR 15 386 22721
Silanus NU 16 2177 24898
Illorai SS 16 886 25784
Austis NU 16 828 26612
Ovodda NU 16 1621 28233
Aidomaggiore OR 17 460 28693
Lodine NU 17 348 29041
Soddì OR 17 115 29156
Tadasuni OR 18 152 29308
Ardauli OR 18 874 30182
Boroneddu OR 18 151 30333
Tiana NU 19 503 30836
Neoneli OR 19 669 31505
Bortigali NU 19 1342 32847
Esporlatu SS 20 398 33245
Norbello OR 20 1210 34455
Bottidda SS 20 694 35149

Municipalities with at least 50000 inhabitants

An earthquake occurred to
70 Km SE of Sassari (127525 inhabitants)
88 Km SW of Olbia (59368 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 0.7 2024-07-16
07:59:30
40.2138 9.0438 1 2024-07-16
08:13:23
Sala Sismica INGV-Roma 129913711
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-07-16 07:59:30 ± 0.06
Latitude 40.2138 ± 0.0045
Longitude 9.0438 ± 0.0071
Depth (km) 1 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type quarry blast
Origin ID 129913711

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 610
Semi-minor axis of confidence ellipse (meter) 440
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 286
Circular confidence region, given by single value of horizontal uncertainty (meter) 610.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 97
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.29498
Epicentral distance of station farthest from the epicenter (degree) 1.17002
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 129913711
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-07-16 08:13:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
TV.SU26.HHE. 2024-07-16T07:59:52.90 0.1 undecidable manual P 202 129.87 50 0.1 83
IV.AGLI.HHZ. 2024-07-16T07:59:48.43 0.6 undecidable manual P 6 101.8203 50 -0.05 45
IV.CGL.HHE. 2024-07-16T07:59:47.67 0.1 undecidable manual P 167 96.5256 50 0.02 91
MN.VSL.HHE. 2024-07-16T07:59:45.78 0.1 undecidable manual P 160 84.5487 50 -0.03 93
4P.IT26A.HHZ. 2024-07-16T07:59:44.17 0.3 undecidable manual P 28 75.4689 50 -0.23 68
4P.IT24A.HHE. 2024-07-16T07:59:43.01 0.1 undecidable manual P 299 67.1772 50 -0.12 94
IV.DGI.HHZ. 2024-07-16T07:59:39.87 0.3 negative manual P 76 49.0176 91 -0.02 74
MN.SENA.HHE. 2024-07-16T07:59:38.78 0.1 undecidable manual P 54 43.2234 91 0.04 100
IV.BULT.EHZ. 2024-07-16T07:59:37.06 0.6 negative manual P 359 32.745 92 0.42 47
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.DGI.HHN. ML:0.6 0.00001135 0.82 AML other m 2024-07-16T07:59:50.37
IV.DGI.HHE. ML:0.7 0.0000152 0.82 AML other m 2024-07-16T07:59:55.76
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