A magnitude ML 1.6 (quarry blast) earthquake occured in region: 3 km W Orani (NU), on
and geographic coordinates (lat, lon) 40.2530, 9.1380 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 |
---|---|---|---|---|
Orani | NU | 4 | 2891 | 2891 |
Sarule | NU | 4 | 1691 | 4582 |
Oniferi | NU | 4 | 898 | 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 |
Teti | NU | 17 | 677 | 21878 |
Ovodda | NU | 18 | 1621 | 23499 |
Fonni | NU | 18 | 3970 | 27469 |
Nuoro | NU | 18 | 37091 | 64560 |
Noragugume | NU | 19 | 324 | 64884 |
Bottidda | SS | 19 | 694 | 65578 |
Orgosolo | NU | 19 | 4229 | 69807 |
Esporlatu | SS | 19 | 398 | 70205 |
Lei | NU | 19 | 516 | 70721 |
Burgos | SS | 20 | 938 | 71659 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.6 | 2021-07-22 07:35:22 |
40.2533 | 9.1377 | 1 | 2021-12-29 11:12:15 |
Bollettino Sismico Italiano INGV | 93273741 |
Field | Value |
---|---|
Time (UTC) | 2021-07-22 07:35:22 ± 0.15 |
Latitude | 40.2533 ± 0.0090 |
Longitude | 9.1377 ± 0.0153 |
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 | 93273741 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1270 |
Semi-minor axis of confidence ellipse (meter) | 980 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 272 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1270.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 140 |
Number of associated phases, regardless of their use for origin computation | 7 |
Number of defining phases | 7 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.28 |
Epicentral distance of station closest to the epicenter (degree) | 0.26620 |
Epicentral distance of station farthest from the epicenter (degree) | 1.84271 |
Number of stations at which the event was observed | 7 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.4 |
Num. used stations | 14 |
Type of magnitude | ML |
Reference to an origin | 93273741 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-07-27 16:26:51 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
FR.SMPL.HHZ. | 2021-07-22T07:35:55.74 | 0.3 | undecidable | manual | P | 3 | 204.5397 | 38 | -0.05 | 45 |
TV.SU26.HHE. | 2021-07-22T07:35:46.39 | 0.3 | undecidable | manual | P | 204 | 137.0628 | 50 | 0.45 | 57 |
IV.AGLI.HHZ. | 2021-07-22T07:35:39.35 | 0.3 | undecidable | manual | P | 2 | 96.9252 | 50 | -0.41 | 62 |
MN.VSL.HHZ. | 2021-07-22T07:35:37.82 | 0.1 | positive | manual | P | 166 | 86.4468 | 50 | -0.32 | 86 |
IV.DGI.HHZ. | 2021-07-22T07:35:30.22 | 0.1 | positive | manual | P | 80 | 40.3263 | 91 | 0.09 | 98 |
IV.SENA.HHN. | 2021-07-22T07:35:29.02 | 0.1 | positive | manual | P | 52 | 34.3434 | 91 | 0.1 | 99 |
IV.BULT.EHZ. | 2021-07-22T07:35:28.08 | 0.1 | positive | manual | P | 344 | 29.5482 | 91 | 0.11 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SENA.HHN. | ML:2.0 | 0.000395 | 0.36 | AML | other | m | 2021-07-22T07:35:33.83 |
IV.BULT.EHN. | ML:1.3 | 0.00011665 | 1.18 | AML | other | m | 2021-07-22T07:35:33.89 |
IV.DGI.HHN. | ML:1.2 | 0.00005221165 | 0.3392 | AML | other | m | 2021-07-22T07:35:36.78 |
IV.DGI.HNN. | ML:1.2 | 0.000053246290000000005 | 0.1984 | AML | other | m | 2021-07-22T07:35:36.03 |
IV.BULT.EHE. | ML:1.3 | 0.00011552944 | 0.3584 | AML | other | m | 2021-07-22T07:35:32.42 |
IV.SENA.HHE. | ML:2.1 | 0.00051380205 | 0.48 | AML | other | m | 2021-07-22T07:35:36.99 |
IV.DGI.HNE. | ML:1.3 | 0.000067407675 | 0.6144 | AML | other | m | 2021-07-22T07:35:40.81 |
IV.DGI.HHE. | ML:1.1 | 0.00004574232 | 0.3776 | AML | other | m | 2021-07-22T07:35:40.86 |
MN.VSL.HHE. | ML:0.0 | 0.0004079245 | 0.16 | AML | other | m | 2021-07-22T07:35:52.07 |
MN.VSL.HHN. | ML:0.0 | 0.00023410620000000003 | 0.1216 | AML | other | m | 2021-07-22T07:35:52.15 |
TV.SU26.HHN. | ML:2.3 | 0.000114 | 0.42 | AML | other | m | 2021-07-22T07:36:04.69 |
TV.SU26.HHE. | ML:2.3 | 0.00011949999999999999 | 1.4 | AML | other | m | 2021-07-22T07:36:05.72 |
IV.AGLI.HHE. | ML:1.5 | 0.00003600461 | 0.1984 | AML | other | m | 2021-07-22T07:35:51.34 |
IV.AGLI.HHN. | ML:1.5 | 0.00002758232 | 0.2432 | AML | other | m | 2021-07-22T07:35:55.07 |