A magnitude ML 1.5 (quarry blast) earthquake occured in region: 4 km SE Ottana (NU), on
and geographic coordinates (lat, lon) 40.2060, 9.0660 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 |
---|---|---|---|---|
Ottana | NU | 4 | 2334 | 2334 |
Olzai | NU | 8 | 875 | 3209 |
Sarule | NU | 9 | 1691 | 4900 |
Ollolai | NU | 11 | 1318 | 6218 |
Orani | NU | 11 | 2891 | 9109 |
Oniferi | NU | 12 | 898 | 10007 |
Orotelli | NU | 12 | 2054 | 12061 |
Gavoi | NU | 12 | 2695 | 14756 |
Noragugume | NU | 13 | 324 | 15080 |
Sedilo | OR | 13 | 2144 | 17224 |
Teti | NU | 13 | 677 | 17901 |
Dualchi | NU | 14 | 625 | 18526 |
Ovodda | NU | 15 | 1621 | 20147 |
Lodine | NU | 15 | 348 | 20495 |
Nughedu Santa Vittoria | OR | 15 | 489 | 20984 |
Bidonì | OR | 15 | 148 | 21132 |
Austis | NU | 15 | 828 | 21960 |
Sorradile | OR | 16 | 386 | 22346 |
Bolotana | NU | 16 | 2656 | 25002 |
Lei | NU | 17 | 516 | 25518 |
Tiana | NU | 17 | 503 | 26021 |
Illorai | SS | 17 | 886 | 26907 |
Silanus | NU | 18 | 2177 | 29084 |
Aidomaggiore | OR | 18 | 460 | 29544 |
Soddì | OR | 18 | 115 | 29659 |
Ardauli | OR | 19 | 874 | 30533 |
Fonni | NU | 19 | 3970 | 34503 |
Mamoiada | NU | 19 | 2555 | 37058 |
Tadasuni | OR | 19 | 152 | 37210 |
Neoneli | OR | 19 | 669 | 37879 |
Boroneddu | OR | 20 | 151 | 38030 |
Ortueri | NU | 20 | 1175 | 39205 |
Sorgono | NU | 20 | 1693 | 40898 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.5 | 2023-04-24 07:15:58 |
40.2062 | 9.0658 | 1 | 2024-03-01 17:18:07 |
Bollettino Sismico Italiano INGV | 117147371 |
Reviewed Rev100 |
ML 1.4 | 2023-04-24 07:15:58 |
40.2338 | 9.0852 | 10 | 2023-04-24 07:21:41 |
Sala Sismica INGV-Roma | 116686991 |
Field | Value |
---|---|
Time (UTC) | 2023-04-24 07:15:58 ± 0.08 |
Latitude | 40.2062 ± 0.0045 |
Longitude | 9.0658 ± 0.0071 |
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 | 117147371 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 650 |
Semi-minor axis of confidence ellipse (meter) | 490 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 279 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 650.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 154 |
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) | 0.12 |
Epicentral distance of station closest to the epicenter (degree) | 0.30397 |
Epicentral distance of station farthest from the epicenter (degree) | 1.16912 |
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 | 0.2 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 117147371 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2023-05-08 13:24:36 |
Field | Value |
---|---|
Value | 1.4 |
Uncertainty | 0.3 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 116686991 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-04-24 07:21:41 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
TV.SU26.HHZ. | 2023-04-24T07:16:21.25 | 0.6 | negative | manual | P | 202 | 129.7701 | 50 | 0.17 | 40 |
IV.AGLI.HHZ. | 2023-04-24T07:16:16.58 | 1.0 | undecidable | manual | P | 5 | 102.5196 | 50 | -0.3 | 21 |
IV.CGL.HHN. | 2023-04-24T07:16:15.59 | 0.6 | undecidable | manual | P | 168 | 95.238 | 50 | -0.17 | 43 |
IV.DGI.HHZ. | 2023-04-24T07:16:07.83 | 0.1 | positive | manual | P | 75 | 47.4192 | 91 | 0.02 | 98 |
MN.SENA.HHZ. | 2023-04-24T07:16:06.81 | 0.3 | positive | manual | P | 51 | 42.3243 | 91 | 0.03 | 74 |
IV.BULT.EHZ. | 2023-04-24T07:16:05.08 | 0.1 | positive | manual | P | 356 | 33.744 | 91 | 0.02 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.BULT.EHE. | ML:1.4 | 0.00011839999999999999 | 1.66 | AML | other | m | 2023-04-24T07:16:09.03 |
IV.BULT.EHN. | ML:1.2 | 0.00007685 | 0.98 | AML | other | m | 2023-04-24T07:16:10.28 |
TV.SU26.HHE. | ML:1.7 | 0.00003505 | 0.98 | AML | other | m | 2023-04-24T07:16:22.74 |
TV.SU26.HHN. | ML:1.6 | 0.000027000000000000002 | 0.42 | AML | other | m | 2023-04-24T07:16:40.14 |