A magnitude ML 1.7 (quarry blast) earthquake occured in region: 7 km S Perdasdefogu (OG), on
and geographic coordinates (lat, lon) 39.6210, 9.4500 at 11 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 |
---|---|---|---|---|
Perdasdefogu | OG | 7 | 1957 | 1957 |
Escalaplano | CA | 8 | 2201 | 4158 |
Ballao | CA | 11 | 831 | 4989 |
Armungia | CA | 12 | 481 | 5470 |
Tertenia | OG | 14 | 3888 | 9358 |
Goni | CA | 15 | 492 | 9850 |
Villasalto | CA | 15 | 1062 | 10912 |
Silius | CA | 17 | 1202 | 12114 |
Orroli | CA | 19 | 2298 | 14412 |
San Nicolò Gerrei | CA | 19 | 788 | 15200 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.7 | 2023-05-22 08:43:08 |
39.6207 | 9.4495 | 11 | 2023-05-22 08:56:09 |
Sala Sismica INGV-Roma | 117585181 |
Field | Value |
---|---|
Time (UTC) | 2023-05-22 08:43:08 ± 0.12 |
Latitude | 39.6207 ± 0.0072 |
Longitude | 9.4495 ± 0.0269 |
Depth (km) | 11 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | quarry blast |
Origin ID | 117585181 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 2404 |
Semi-minor axis of confidence ellipse (meter) | 319 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 107 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 2400.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 194 |
Number of associated phases, regardless of their use for origin computation | 23 |
Number of defining phases | 10 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.16 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 1.51985 |
Number of stations at which the event was observed | 19 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.2 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 117585181 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-05-22 08:56:09 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.SACR.HNZ. | 2023-05-22T08:45:03.08 | 3.0 | undecidable | manual | Sn | -9.99 | 0 | |||
TV.SF11.HHZ. | 2023-05-22T08:44:58.43 | 3.0 | undecidable | manual | Sg | 5.1 | 0 | |||
IV.HPAC.HHZ. | 2023-05-22T08:44:38.75 | 3.0 | undecidable | manual | Pg | 6.48 | 0 | |||
1J.FX14.HHZ.00 | 2023-05-22T08:44:37.90 | 3.0 | positive | manual | Pg | 4.79 | 0 | |||
IV.VISG.HHZ. | 2023-05-22T08:44:33.80 | 3.0 | undecidable | manual | Pg | 11.27 | 0 | |||
IV.GUMA.HHZ. | 2023-05-22T08:44:31.88 | 3.0 | positive | manual | Pg | 11.9 | 0 | |||
IV.ACATE.EHZ. | 2023-05-22T08:44:31.28 | 3.0 | undecidable | manual | Pg | 6.35 | 0 | |||
GU.PCP.HHZ. | 2023-05-22T08:44:31.18 | 3.0 | negative | manual | Pg | 8 | 0 | |||
OT.OT05.EHZ. | 2023-05-22T08:44:26.47 | 3.0 | undecidable | manual | Pn | -2.88 | 0 | |||
IT.LRNO.HNZ. | 2023-05-22T08:44:22.88 | 3.0 | positive | manual | Pn | -0.69 | 0 | |||
IV.MDAR.HNZ. | 2023-05-22T08:44:20.23 | 3.0 | undecidable | manual | Pn | 0.29 | 0 | |||
IV.VIVA.HHZ. | 2023-05-22T08:44:08.34 | 3.0 | positive | manual | Pg | 4.47 | 0 | |||
IV.CELB.HHZ. | 2023-05-22T08:43:57.12 | 3.0 | negative | manual | Pn | -2.72 | 0 | |||
IV.AGLI.HHZ. | 2023-05-22T08:43:55.83 | 0.6 | undecidable | manual | S | 352 | 168.7089 | 50 | -0.4 | 33 |
IV.AGLI.HHZ. | 2023-05-22T08:43:36.42 | 0.1 | undecidable | manual | P | 352 | 168.7089 | 50 | 0.27 | 68 |
IV.DGI.HHZ. | 2023-05-22T08:43:32.02 | 0.3 | undecidable | manual | S | 10 | 78.4659 | 50 | -0.14 | 66 |
TV.SU26.HHZ. | 2023-05-22T08:43:25.55 | 0.3 | undecidable | manual | P | 236 | 99.0231 | 50 | 0.13 | 64 |
MN.SENA.HHZ. | 2023-05-22T08:43:24.19 | 0.1 | undecidable | manual | P | 0 | 91.3419 | 50 | -0.05 | 88 |
IV.DGI.HHZ. | 2023-05-22T08:43:22.42 | 0.1 | undecidable | manual | P | 10 | 78.4659 | 50 | 0.17 | 88 |
IV.CGL.HHZ. | 2023-05-22T08:43:19.49 | 0.6 | undecidable | manual | S | 205 | 31.1466 | 50 | -0.03 | 49 |
MN.VSL.HHZ. | 2023-05-22T08:43:15.22 | 0.3 | undecidable | manual | S | 204 | 15.0738 | 126 | 0.01 | 76 |
IV.CGL.HHZ. | 2023-05-22T08:43:14.91 | 0.1 | undecidable | manual | P | 205 | 31.1466 | 50 | -0.04 | 98 |
MN.VSL.HHZ. | 2023-05-22T08:43:12.36 | 0.1 | undecidable | manual | P | 204 | 15.0738 | 126 | -0.1 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
MN.VSL.HHN. | ML:1.7 | 0.000429 | 0.6 | AML | other | m | 2023-05-22T08:43:15.41 |
MN.VSL.HHE. | ML:1.7 | 0.0005415 | 1.76 | AML | other | m | 2023-05-22T08:43:15.89 |
IV.CGL.HHN. | ML:1.7 | 0.0002455 | 0.28 | AML | other | m | 2023-05-22T08:43:19.98 |
IV.CGL.HHE. | ML:1.8 | 0.0003115 | 0.64 | AML | other | m | 2023-05-22T08:43:20.59 |
IV.DGI.HHN. | ML:1.5 | 0.00004560356 | 1.4208 | AML | other | m | 2023-05-22T08:43:32.32 |
IV.DGI.HHE. | ML:1.5 | 0.000043814585000000005 | 0.1984 | AML | other | m | 2023-05-22T08:43:32.45 |
MN.SENA.HHN. | ML:1.6 | 0.000038332575 | 0.7616 | AML | other | m | 2023-05-22T08:43:35.53 |
MN.SENA.HHE. | ML:1.4 | 0.00002994368 | 0.704 | AML | other | m | 2023-05-22T08:43:35.65 |
IV.AGLI.HHN. | ML:2.0 | 0.000044200000000000004 | 0.6 | AML | other | m | 2023-05-22T08:43:56.55 |
IV.AGLI.HHE. | ML:2.1 | 0.00005465000000000001 | 0.2 | AML | other | m | 2023-05-22T08:43:57.87 |