A magnitude ML 1.9 (quarry blast) earthquake occured in region: 5 km E Escalaplano (CA), on
and geographic coordinates (lat, lon) 39.6320, 9.4180 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 |
---|---|---|---|---|
Escalaplano | CA | 5 | 2201 | 2201 |
Perdasdefogu | OG | 6 | 1957 | 4158 |
Ballao | CA | 10 | 831 | 4989 |
Armungia | CA | 13 | 481 | 5470 |
Goni | CA | 13 | 492 | 5962 |
Villasalto | CA | 15 | 1062 | 7024 |
Tertenia | OG | 16 | 3888 | 10912 |
Orroli | CA | 16 | 2298 | 13210 |
Silius | CA | 16 | 1202 | 14412 |
San Nicolò Gerrei | CA | 18 | 788 | 15200 |
Nurri | CA | 18 | 2184 | 17384 |
Jerzu | OG | 20 | 3159 | 20543 |
Ussassai | OG | 20 | 575 | 21118 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.9 | 2023-05-26 08:03:54 |
39.6318 | 9.4183 | 11 | 2023-05-26 08:12:01 |
Sala Sismica INGV-Roma | 117736001 |
Field | Value |
---|---|
Time (UTC) | 2023-05-26 08:03:54 ± 0.14 |
Latitude | 39.6318 ± 0.0063 |
Longitude | 9.4183 ± 0.0257 |
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 | 117736001 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 2251 |
Semi-minor axis of confidence ellipse (meter) | 402 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 102 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 2250.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 191 |
Number of associated phases, regardless of their use for origin computation | 24 |
Number of defining phases | 12 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.24 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 1.50546 |
Number of stations at which the event was observed | 18 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 1.9 |
Uncertainty | 0.2 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 117736001 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-05-26 08:12:01 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.IVGP.HHZ. | 2023-05-26T08:05:54.02 | 3.0 | undecidable | manual | Sn | -5.53 | 0 | |||
IV.RIBO.EHZ.01 | 2023-05-26T08:05:45.01 | 3.0 | undecidable | manual | Sg | 11.82 | 0 | |||
IV.OSSC.HHZ. | 2023-05-26T08:05:42.21 | 3.0 | undecidable | manual | Sn | -5.32 | 0 | |||
IV.RCAV.EHZ. | 2023-05-26T08:05:35.85 | 3.0 | undecidable | manual | Sg | 2.93 | 0 | |||
GU.RNCA.HHZ. | 2023-05-26T08:05:19.76 | 3.0 | undecidable | manual | Pg | 12.35 | 0 | |||
IV.SALB.HHZ. | 2023-05-26T08:05:10.55 | 3.0 | undecidable | manual | Pn | -5.58 | 0 | |||
7C.SPAOL.HNZ. | 2023-05-26T08:05:09.50 | 3.0 | positive | manual | Pn | -0.74 | 0 | |||
IX.SCL3.EHZ.02 | 2023-05-26T08:05:09.69 | 3.0 | negative | manual | Pn | 1.42 | 0 | |||
IV.CAMP.HHZ. | 2023-05-26T08:05:05.05 | 3.0 | positive | manual | Pg | 5.75 | 0 | |||
IV.GUMA.HHZ. | 2023-05-26T08:05:01.14 | 3.0 | negative | manual | Pn | -2.66 | 0 | |||
IV.RESU.HHZ. | 2023-05-26T08:05:00.97 | 3.0 | negative | manual | Pn | 1.1 | 0 | |||
GU.POPM.HHZ. | 2023-05-26T08:04:59.53 | 3.0 | undecidable | manual | Pn | -3.68 | 0 | |||
IV.AGLI.HHZ. | 2023-05-26T08:04:41.87 | 0.3 | undecidable | manual | S | 353 | 167.1105 | 50 | -0.11 | 52 |
IV.BULT.EHZ. | 2023-05-26T08:04:24.29 | 0.3 | undecidable | manual | S | 342 | 102.5196 | 50 | -0.44 | 59 |
TV.SU26.HHZ. | 2023-05-26T08:04:23.61 | 0.6 | undecidable | manual | S | 235 | 97.5246 | 50 | 0.2 | 42 |
IV.AGLI.HHZ. | 2023-05-26T08:04:22.62 | 0.1 | undecidable | manual | P | 353 | 167.1105 | 50 | 0.54 | 63 |
MN.SENA.HHZ. | 2023-05-26T08:04:21.15 | 1.0 | undecidable | manual | S | 2 | 90.243 | 50 | -0.29 | 21 |
IV.BULT.EHZ. | 2023-05-26T08:04:11.95 | 0.1 | positive | manual | P | 342 | 102.5196 | 50 | -0.17 | 83 |
TV.SU26.HHZ. | 2023-05-26T08:04:11.61 | 0.1 | undecidable | manual | P | 235 | 97.5246 | 50 | 0.26 | 82 |
MN.SENA.HHZ. | 2023-05-26T08:04:10.40 | 0.1 | positive | manual | P | 2 | 90.243 | 50 | 0.18 | 85 |
IV.CGL.HHZ. | 2023-05-26T08:04:05.50 | 0.3 | undecidable | manual | S | 200 | 31.2465 | 50 | -0.22 | 70 |
IV.CGL.HHZ. | 2023-05-26T08:04:01.15 | 0.1 | positive | manual | P | 200 | 31.2465 | 50 | 0.01 | 98 |
MN.VSL.HHZ. | 2023-05-26T08:04:01.33 | 0.3 | undecidable | manual | S | 193 | 15.4734 | 125 | -0.14 | 73 |
MN.VSL.HHZ. | 2023-05-26T08:03:58.65 | 0.1 | positive | manual | P | 193 | 15.4734 | 125 | -0.04 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
MN.VSL.HHN. | ML:1.7 | 0.0004575 | 0.6 | AML | other | m | 2023-05-26T08:04:01.66 |
MN.VSL.HHE. | ML:1.8 | 0.0005064999999999999 | 0.2 | AML | other | m | 2023-05-26T08:04:02.15 |
IV.CGL.HHN. | ML:1.7 | 0.00023549999999999998 | 0.26 | AML | other | m | 2023-05-26T08:04:06.09 |
IV.CGL.HHE. | ML:1.8 | 0.00029600000000000004 | 0.66 | AML | other | m | 2023-05-26T08:04:06.85 |
MN.SENA.HHN. | ML:1.9 | 0.00009029999999999999 | 0.34 | AML | other | m | 2023-05-26T08:04:25.35 |
IV.BULT.EHE. | ML:2.0 | 0.00008730000000000001 | 0.84 | AML | other | m | 2023-05-26T08:04:26.60 |
TV.SU26.HHN. | ML:1.7 | 0.0000523 | 1.46 | AML | other | m | 2023-05-26T08:04:27.00 |
MN.SENA.HHE. | ML:1.8 | 0.00007805000000000001 | 1.34 | AML | other | m | 2023-05-26T08:04:27.00 |
IV.BULT.EHN. | ML:2.0 | 0.0001 | 0.18 | AML | other | m | 2023-05-26T08:04:27.15 |
TV.SU26.HHE. | ML:1.6 | 0.0000432 | 0.64 | AML | other | m | 2023-05-26T08:04:27.85 |
IV.AGLI.HHE. | ML:2.2 | 0.00006305 | 0.18 | AML | other | m | 2023-05-26T08:04:44.12 |
IV.AGLI.HHN. | ML:2.1 | 0.00005025 | 0.2 | AML | other | m | 2023-05-26T08:04:44.71 |