A magnitude ML 1.9 (explosion) earthquake occured in region: Costa Oristanese (Oristano), on
and geographic coordinates (lat, lon) 39.7820, 8.3930 at 0 km depth.
The earthquake was located by: Bollettino Sismico Italiano INGV.
Event type: explosion.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 |
---|---|---|---|---|
Arborea | OR | 16 | 3965 | 3965 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.9 | 2023-03-31 12:13:52 |
39.7818 | 8.3928 | 1 | 2024-03-01 17:18:19 |
Bollettino Sismico Italiano INGV | 124479541 |
Field | Value |
---|---|
Time (UTC) | 2023-03-31 12:13:52 ± 0.28 |
Latitude | 39.7818 ± 0.0099 |
Longitude | 8.3928 ± 0.0304 |
Depth (km) | 1 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | explosion |
Origin ID | 124479541 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 2640 |
Semi-minor axis of confidence ellipse (meter) | 980 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 283 |
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) | 221 |
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) | 0.22 |
Epicentral distance of station closest to the epicenter (degree) | 0.66280 |
Epicentral distance of station farthest from the epicenter (degree) | 1.07199 |
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 | 1.9 |
Uncertainty | 0.1 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 124479541 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2024-01-04 11:21:39 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.DGI.HHZ. | 2023-03-31T12:14:13.91 | 0.3 | undecidable | manual | P | 60 | 118.992 | 50 | 0.05 | 68 |
MN.SENA.HHZ. | 2023-03-31T12:14:13.64 | 0.3 | undecidable | manual | P | 50 | 116.3946 | 50 | 0.19 | 66 |
IV.BULT.EHN. | 2023-03-31T12:14:10.44 | 0.1 | positive | manual | P | 34 | 97.5246 | 50 | -0.11 | 93 |
MN.VSL.HHZ. | 2023-03-31T12:14:09.12 | 0.1 | undecidable | manual | P | 110 | 89.9433 | 50 | -0.25 | 92 |
IV.CGL.HHZ. | 2023-03-31T12:14:09.77 | 0.6 | undecidable | manual | P | 121 | 89.9433 | 50 | 0.39 | 45 |
TV.SU26.HHN. | 2023-03-31T12:14:06.86 | 0.1 | undecidable | manual | P | 173 | 73.5708 | 50 | 0.01 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
MN.VSL.HHN. | ML:1.7 | 0.000056899999999999994 | 0.14 | AML | other | m | 2023-03-31T12:14:11.34 |
MN.VSL.HHE. | ML:1.9 | 0.00009570000000000001 | 0.1 | AML | other | m | 2023-03-31T12:14:12.24 |
TV.SU26.HHN. | ML:1.9 | 0.0001225 | 0.68 | AML | other | m | 2023-03-31T12:14:20.54 |
TV.SU26.HHE. | ML:1.9 | 0.0001295 | 0.52 | AML | other | m | 2023-03-31T12:14:21.26 |
IV.DGI.HHE. | ML:1.8 | 0.000050549999999999995 | 0.42 | AML | other | m | 2023-03-31T12:14:31.26 |
IV.DGI.HHN. | ML:1.9 | 0.00006275 | 1.58 | AML | other | m | 2023-03-31T12:14:31.96 |