A magnitude ML 1.8 (quarry blast) earthquake occured in region: 5 km E Escalaplano (CA), on
and geographic coordinates (lat, lon) 39.6320, 9.4160 at 10 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.
Municipality | Region | Distance (km) | Inhabitants | Cumulative Inhabitants |
---|---|---|---|---|
Escalaplano | CA | 5 | 2201 | 2201 |
Perdasdefogu | OG | 6 | 1957 | 4158 |
Ballao | CA | 10 | 831 | 4989 |
Goni | CA | 13 | 492 | 5481 |
Armungia | CA | 13 | 481 | 5962 |
Villasalto | CA | 16 | 1062 | 7024 |
Orroli | CA | 16 | 2298 | 9322 |
Tertenia | OG | 16 | 3888 | 13210 |
Silius | CA | 16 | 1202 | 14412 |
San Nicolò Gerrei | CA | 18 | 788 | 15200 |
Nurri | CA | 18 | 2184 | 17384 |
Esterzili | CA | 20 | 668 | 18052 |
Jerzu | OG | 20 | 3159 | 21211 |
Ussassai | OG | 20 | 575 | 21786 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.8 | 2023-05-10 10:12:55 |
39.6325 | 9.4158 | 10 | 2023-05-10 10:23:04 |
Sala Sismica INGV-Roma | 117213971 |
Field | Value |
---|---|
Time (UTC) | 2023-05-10 10:12:55 ± 0.14 |
Latitude | 39.6325 ± 0.0072 |
Longitude | 9.4158 ± 0.0304 |
Depth (km) | 10 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | quarry blast |
Origin ID | 117213971 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 2641 |
Semi-minor axis of confidence ellipse (meter) | 504 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 104 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 2640.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 180 |
Number of associated phases, regardless of their use for origin computation | 13 |
Number of defining phases | 13 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.26 |
Epicentral distance of station closest to the epicenter (degree) | 0.13939 |
Epicentral distance of station farthest from the epicenter (degree) | 1.50457 |
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 | 1.8 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 117213971 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-05-10 10:23:04 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.AGLI.HHE. | 2023-05-10T10:13:42.33 | 0.6 | undecidable | manual | S | 353 | 167.0106 | 50 | 0.09 | 35 |
IV.BULT.EHZ. | 2023-05-10T10:13:24.38 | 0.6 | undecidable | manual | S | 342 | 102.3198 | 50 | -0.59 | 37 |
IV.AGLI.HHE. | 2023-05-10T10:13:22.61 | 0.1 | undecidable | manual | P | 353 | 167.0106 | 50 | 0.32 | 67 |
MN.SENA.HHZ. | 2023-05-10T10:13:21.31 | 0.3 | undecidable | manual | S | 2 | 90.1431 | 50 | -0.4 | 60 |
IV.DGI.HHZ. | 2023-05-10T10:13:18.37 | 0.6 | undecidable | manual | S | 12 | 77.7666 | 50 | -0.03 | 44 |
TV.SU26.HHE. | 2023-05-10T10:13:12.02 | 0.1 | undecidable | manual | P | 235 | 97.4247 | 50 | 0.46 | 78 |
IV.BULT.EHZ. | 2023-05-10T10:13:12.08 | 0.6 | undecidable | manual | P | 342 | 102.3198 | 50 | -0.25 | 41 |
MN.SENA.HHZ. | 2023-05-10T10:13:10.54 | 0.1 | undecidable | manual | P | 2 | 90.1431 | 50 | 0.1 | 86 |
IV.DGI.HHZ. | 2023-05-10T10:13:08.80 | 0.1 | positive | manual | P | 12 | 77.7666 | 50 | 0.27 | 85 |
IV.CGL.HHE. | 2023-05-10T10:13:05.77 | 0.6 | undecidable | manual | S | 199 | 31.2465 | 50 | -0.23 | 46 |
IV.CGL.HHE. | 2023-05-10T10:13:01.30 | 0.1 | undecidable | manual | P | 199 | 31.2465 | 50 | -0.07 | 96 |
MN.VSL.HHE. | 2023-05-10T10:13:01.19 | 0.6 | undecidable | manual | S | 192 | 15.4734 | 124 | -0.32 | 47 |
MN.VSL.HHE. | 2023-05-10T10:12:58.77 | 0.1 | undecidable | manual | P | 192 | 15.4734 | 124 | -0.01 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
MN.SENA.HHE. | ML:1.6 | 0.000049879414999999997 | 0.1984 | AML | other | m | 2023-05-10T10:13:27.10 |
IV.DGI.HHE. | ML:1.6 | 0.00006135 | 0.48 | AML | other | m | 2023-05-10T10:13:20.43 |
IV.DGI.HHN. | ML:1.7 | 0.00007350000000000001 | 1.24 | AML | other | m | 2023-05-10T10:13:23.69 |
MN.SENA.HHN. | ML:1.8 | 0.0000673 | 0.36 | AML | other | m | 2023-05-10T10:13:25.27 |
IV.BULT.EHE. | ML:2.0 | 0.00008410000000000001 | 0.46 | AML | other | m | 2023-05-10T10:13:26.69 |
IV.BULT.EHN. | ML:2.0 | 0.0000838 | 0.56 | AML | other | m | 2023-05-10T10:13:26.48 |