A magnitude ML 1.1 earthquake occured in region: 1 km W Onano (VT), on
and geographic coordinates (lat, lon) 42.6980, 11.8030 at 8 km depth.
The earthquake was located by: Sala Sismica INGV-Roma.
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 |
---|---|---|---|---|
Onano | VT | 1 | 995 | 995 |
Grotte di Castro | VT | 6 | 2683 | 3678 |
Proceno | VT | 7 | 557 | 4235 |
Acquapendente | VT | 7 | 5506 | 9741 |
Gradoli | VT | 7 | 1353 | 11094 |
Sorano | GR | 7 | 3428 | 14522 |
Latera | VT | 8 | 836 | 15358 |
San Lorenzo Nuovo | VT | 9 | 2091 | 17449 |
Castell'Azzara | GR | 12 | 1476 | 18925 |
Pitigliano | GR | 13 | 3818 | 22743 |
Valentano | VT | 14 | 2868 | 25611 |
Castel Giorgio | TR | 15 | 2131 | 27742 |
Bolsena | VT | 16 | 3991 | 31733 |
Ischia di Castro | VT | 17 | 2326 | 34059 |
Farnese | VT | 18 | 1527 | 35586 |
Castel Viscardo | TR | 18 | 2938 | 38524 |
Capodimonte | VT | 19 | 1731 | 40255 |
Allerona | TR | 19 | 1794 | 42049 |
Piancastagnaio | SI | 19 | 4230 | 46279 |
Piansano | VT | 20 | 2079 | 48358 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2024-02-21 02:17:04 |
42.6982 | 11.8028 | 9 | 2024-02-21 02:20:46 |
Sala Sismica INGV-Roma | 125412131 |
Field | Value |
---|---|
Time (UTC) | 2024-02-21 02:17:04 ± 0.13 |
Latitude | 42.6982 ± 0.0036 |
Longitude | 11.8028 ± 0.0073 |
Depth (km) | 9 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 125412131 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 467 |
Semi-minor axis of confidence ellipse (meter) | 344 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 85 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 470.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 132 |
Number of associated phases, regardless of their use for origin computation | 10 |
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) | 0.08454 |
Epicentral distance of station farthest from the epicenter (degree) | 0.31206 |
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 | 1.1 |
Uncertainty | 0.3 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 125412131 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2024-02-21 02:20:46 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
TV.SF11.HHZ. | 2024-02-21T02:17:11.98 | 0.3 | undecidable | manual | S | 332 | 21.4674 | 112 | -0.06 | 74 |
IV.MGAB.HHZ. | 2024-02-21T02:17:11.09 | 0.6 | negative | manual | P | 47 | 34.6431 | 50 | -0.05 | 48 |
IV.SACS.HHZ. | 2024-02-21T02:17:11.21 | 0.3 | undecidable | manual | S | 27 | 18.87 | 114 | -0.01 | 75 |
IV.ARCI.HHZ. | 2024-02-21T02:17:10.53 | 0.6 | undecidable | manual | P | 303 | 31.6461 | 105 | -0.08 | 48 |
TV.SF11.HHZ. | 2024-02-21T02:17:09.22 | 1.0 | undecidable | manual | P | 332 | 21.4674 | 112 | 0.56 | 22 |
IV.MCIV.CHZ. | 2024-02-21T02:17:09.51 | 0.1 | undecidable | manual | S | 311 | 13.5753 | 122 | -0.1 | 99 |
IV.SACS.HHZ. | 2024-02-21T02:17:08.18 | 0.3 | undecidable | manual | P | 27 | 18.87 | 114 | -0.01 | 75 |
IV.LATE.HHZ. | 2024-02-21T02:17:08.50 | 0.1 | undecidable | manual | S | 179 | 9.3795 | 132 | 0.07 | 100 |
IV.MCIV.CHZ. | 2024-02-21T02:17:07.59 | 0.6 | negative | manual | P | 311 | 13.5753 | 122 | 0.33 | 47 |
IV.LATE.HHZ. | 2024-02-21T02:17:06.43 | 0.1 | undecidable | manual | P | 179 | 9.3795 | 132 | -0.14 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.LATE.HHE. | ML:1.5 | 0.00047950000000000005 | 0.32 | AML | other | m | 2024-02-21T02:17:10.60 |
IV.MCIV.CHE. | ML:0.8 | 0.00007455000000000001 | 0.74 | AML | other | m | 2024-02-21T02:17:11.46 |
IV.SACS.HHN. | ML:0.9 | 0.00006835 | 0.3 | AML | other | m | 2024-02-21T02:17:12.21 |
IV.SACS.HHE. | ML:0.9 | 0.00006715 | 0.22 | AML | other | m | 2024-02-21T02:17:12.63 |
TV.SF11.HHN. | ML:1.2 | 0.000105 | 0.3 | AML | other | m | 2024-02-21T02:17:12.81 |
IV.MCIV.CHN. | ML:0.7 | 0.0000617 | 0.78 | AML | other | m | 2024-02-21T02:17:13.48 |
IV.LATE.HHN. | ML:1.6 | 0.0005705 | 1 | AML | other | m | 2024-02-21T02:17:13.42 |
TV.SF11.HHE. | ML:1.1 | 0.00008285000000000001 | 1.32 | AML | other | m | 2024-02-21T02:17:13.87 |