A magnitude ML 1.8 (quarry blast) earthquake occured in region: 5 km SE Orroli (CA), on
and geographic coordinates (lat, lon) 39.6730, 9.3060 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 |
---|---|---|---|---|
Orroli | CA | 5 | 2298 | 2298 |
Escalaplano | CA | 7 | 2201 | 4499 |
Nurri | CA | 8 | 2184 | 6683 |
Goni | CA | 11 | 492 | 7175 |
Perdasdefogu | OG | 12 | 1957 | 9132 |
Esterzili | CA | 12 | 668 | 9800 |
Siurgus Donigala | CA | 13 | 2028 | 11828 |
Serri | CA | 14 | 660 | 12488 |
Villanova Tulo | CA | 14 | 1108 | 13596 |
Ballao | CA | 15 | 831 | 14427 |
Mandas | CA | 15 | 2201 | 16628 |
Escolca | CA | 16 | 594 | 17222 |
Sadali | CA | 16 | 971 | 18193 |
Silius | CA | 17 | 1202 | 19395 |
Ussassai | OG | 17 | 575 | 19970 |
San Basilio | CA | 18 | 1251 | 21221 |
Gergei | CA | 18 | 1236 | 22457 |
Armungia | CA | 18 | 481 | 22938 |
Gesico | CA | 18 | 849 | 23787 |
Isili | CA | 19 | 2741 | 26528 |
Seui | OG | 19 | 1310 | 27838 |
Suelli | CA | 19 | 1127 | 28965 |
San Nicolò Gerrei | CA | 20 | 788 | 29753 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.8 | 2023-03-16 08:58:11 |
39.6728 | 9.3062 | 1 | 2024-03-01 17:18:10 |
Bollettino Sismico Italiano INGV | 118123231 |
Reviewed Rev100 |
ML 1.8 | 2023-03-16 08:58:10 |
39.6778 | 9.3212 | 1 | 2023-03-16 09:09:52 |
Sala Sismica INGV-Roma | 115425301 |
Field | Value |
---|---|
Time (UTC) | 2023-03-16 08:58:11 ± 0.06 |
Latitude | 39.6728 ± 0.0027 |
Longitude | 9.3062 ± 0.0105 |
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 | 118123231 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 900 |
Semi-minor axis of confidence ellipse (meter) | 330 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 266 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 900.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 155 |
Number of associated phases, regardless of their use for origin computation | 5 |
Number of defining phases | 5 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.1 |
Epicentral distance of station closest to the epicenter (degree) | 0.18526 |
Epicentral distance of station farthest from the epicenter (degree) | 0.86065 |
Number of stations at which the event was observed | 5 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.4 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 118123231 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2023-12-18 17:35:38 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.4 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 115425301 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-03-16 09:09:52 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
TV.SU26.HHZ. | 2023-03-16T08:58:28.16 | 0.3 | undecidable | manual | P | 229 | 92.8404 | 50 | 0.04 | 66 |
IV.BULT.EHN. | 2023-03-16T08:58:28.60 | 0.3 | undecidable | manual | P | 346 | 95.5377 | 50 | 0.06 | 66 |
MN.SENA.HHZ. | 2023-03-16T08:58:27.09 | 0.3 | undecidable | manual | P | 8 | 86.5467 | 50 | -0.07 | 67 |
IV.CGL.HHZ. | 2023-03-16T08:58:17.78 | 0.1 | positive | manual | P | 181 | 34.0437 | 91 | -0.09 | 97 |
MN.VSL.HHZ. | 2023-03-16T08:58:15.25 | 0.1 | positive | manual | P | 163 | 20.5683 | 91 | 0.08 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
MN.VSL.HHN. | ML:1.2 | 0.00014606945 | 0.2432 | AML | other | m | 2023-03-16T08:58:18.05 |
MN.VSL.HHE. | ML:1.7 | 0.0004115 | 0.22 | AML | other | m | 2023-03-16T08:58:18.32 |
IV.CGL.HHN. | ML:1.6 | 0.000188 | 0.22 | AML | other | m | 2023-03-16T08:58:22.62 |
IV.CGL.HHE. | ML:1.7 | 0.0002415 | 0.28 | AML | other | m | 2023-03-16T08:58:22.78 |
MN.SENA.HHN. | ML:2.4 | 0.00030168816500000003 | 1.1776 | AML | other | m | 2023-03-16T08:58:38.45 |
MN.SENA.HHE. | ML:2.3 | 0.0002466303 | 0.7232 | AML | other | m | 2023-03-16T08:58:37.96 |