A magnitude ML 1.5 (quarry blast) earthquake occured in region: 3 km SW Oniferi (NU), on
and geographic coordinates (lat, lon) 40.2580, 9.1400 at 0 km depth.
The earthquake was located by: Bollettino Sismico Italiano INGV.
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.
Municipality | Region | Distance (km) | Inhabitants | Cumulative Inhabitants |
---|---|---|---|---|
Oniferi | NU | 3 | 898 | 898 |
Orani | NU | 3 | 2891 | 3789 |
Sarule | NU | 4 | 1691 | 5480 |
Orotelli | NU | 6 | 2054 | 7534 |
Olzai | NU | 8 | 875 | 8409 |
Ottana | NU | 8 | 2334 | 10743 |
Ollolai | NU | 10 | 1318 | 12061 |
Gavoi | NU | 12 | 2695 | 14756 |
Mamoiada | NU | 13 | 2555 | 17311 |
Lodine | NU | 14 | 348 | 17659 |
Illorai | SS | 16 | 886 | 18545 |
Bolotana | NU | 17 | 2656 | 21201 |
Nuoro | NU | 18 | 37091 | 58292 |
Teti | NU | 18 | 677 | 58969 |
Ovodda | NU | 18 | 1621 | 60590 |
Fonni | NU | 18 | 3970 | 64560 |
Bottidda | SS | 19 | 694 | 65254 |
Noragugume | NU | 19 | 324 | 65578 |
Esporlatu | SS | 19 | 398 | 65976 |
Orgosolo | NU | 19 | 4229 | 70205 |
Burgos | SS | 19 | 938 | 71143 |
Lei | NU | 19 | 516 | 71659 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.5 | 2021-09-02 08:40:25 |
40.2575 | 9.1403 | 1 | 2022-03-30 13:04:08 |
Bollettino Sismico Italiano INGV | 95987051 |
Reviewed Rev100 |
ML 1.8 | 2021-09-02 08:40:25 |
40.2792 | 9.1602 | 5 | 2021-09-02 09:10:05 |
Sala Sismica INGV-Roma | 94952971 |
Field | Value |
---|---|
Time (UTC) | 2021-09-02 08:40:25 ± 0.2 |
Latitude | 40.2575 ± 0.0117 |
Longitude | 9.1403 ± 0.0200 |
Depth (km) | 1 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | quarry blast |
Origin ID | 95987051 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1670 |
Semi-minor axis of confidence ellipse (meter) | 1270 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 277 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1670.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 139 |
Number of associated phases, regardless of their use for origin computation | 6 |
Number of defining phases | 6 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.38 |
Epicentral distance of station closest to the epicenter (degree) | 0.26260 |
Epicentral distance of station farthest from the epicenter (degree) | 1.23927 |
Number of stations at which the event was observed | 6 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | 0.4 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 95987051 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-09-28 10:40:23 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.5 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 94952971 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-09-02 09:10:05 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
TV.SU26.HHZ. | 2021-09-02T08:40:49.44 | 0.1 | undecidable | manual | P | 204 | 137.5623 | 50 | 0.42 | 76 |
IV.AGLI.HHZ. | 2021-09-02T08:40:42.28 | 0.1 | undecidable | manual | P | 2 | 96.5256 | 50 | -0.41 | 83 |
MN.VSL.HHZ. | 2021-09-02T08:40:40.79 | 0.1 | positive | manual | P | 166 | 86.8464 | 50 | -0.41 | 85 |
IV.DGI.HHZ. | 2021-09-02T08:40:33.16 | 0.1 | positive | manual | P | 80 | 40.0266 | 91 | 0.1 | 99 |
IV.SENA.HHZ. | 2021-09-02T08:40:31.97 | 0.1 | positive | manual | P | 52 | 33.8439 | 91 | 0.15 | 99 |
IV.BULT.EHZ. | 2021-09-02T08:40:31.02 | 0.1 | positive | manual | P | 343 | 29.1486 | 91 | 0.12 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.BULT.EHN. | ML:1.3 | 0.000104830455 | 0.1792 | AML | other | m | 2021-09-02T08:40:36.12 |
IV.BULT.EHE. | ML:1.3 | 0.0001020799 | 0.224 | AML | other | m | 2021-09-02T08:40:38.29 |
IV.SENA.HHN. | ML:2.1 | 0.00062544685 | 0.3648 | AML | other | m | 2021-09-02T08:40:36.77 |
IV.DGI.HHE. | ML:1.3 | 0.00006654999999999999 | 0.26 | AML | other | m | 2021-09-02T08:40:38.87 |
IV.DGI.HHN. | ML:1.3 | 0.00006484476999999999 | 0.2816 | AML | other | m | 2021-09-02T08:40:39.09 |
IV.SENA.HHE. | ML:2.1 | 0.000643 | 1.6 | AML | other | m | 2021-09-02T08:40:39.13 |
MN.VSL.HHE. | ML:2.5 | 0.000356 | 1.86 | AML | other | m | 2021-09-02T08:40:55.98 |
MN.VSL.HHN. | ML:2.3 | 0.0002295 | 0.12 | AML | other | m | 2021-09-02T08:40:55.13 |
IV.DGI.HNE. | ML:1.2 | 0.000058012375 | 0.256 | AML | other | m | 2021-09-02T08:40:38.86 |
IV.DGI.HNN. | ML:1.3 | 0.00007223311 | 0.3456 | AML | other | m | 2021-09-02T08:40:39.50 |