A magnitude ML 1.7 earthquake occured in region: 3 km SE Allerona (TR), on
and geographic coordinates (lat, lon) 42.7890, 12.0020 at 10 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 |
---|---|---|---|---|
Allerona | TR | 4 | 1794 | 1794 |
Castel Viscardo | TR | 4 | 2938 | 4732 |
Ficulle | TR | 8 | 1669 | 6401 |
Fabro | TR | 9 | 2876 | 9277 |
Castel Giorgio | TR | 9 | 2131 | 11408 |
Orvieto | TR | 12 | 20630 | 32038 |
Parrano | TR | 12 | 534 | 32572 |
Acquapendente | VT | 12 | 5506 | 38078 |
San Lorenzo Nuovo | VT | 14 | 2091 | 40169 |
Porano | TR | 14 | 1966 | 42135 |
San Casciano dei Bagni | SI | 14 | 1632 | 43767 |
Proceno | VT | 14 | 557 | 44324 |
Monteleone d'Orvieto | TR | 15 | 1467 | 45791 |
Bolsena | VT | 16 | 3991 | 49782 |
Montegabbione | TR | 17 | 1216 | 50998 |
Grotte di Castro | VT | 17 | 2683 | 53681 |
Città della Pieve | PG | 18 | 7712 | 61393 |
Onano | VT | 19 | 995 | 62388 |
Lubriano | VT | 19 | 909 | 63297 |
Bagnoregio | VT | 20 | 3650 | 66947 |
Gradoli | VT | 20 | 1353 | 68300 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.7 | 2023-12-06 20:29:43 |
42.7887 | 12.0023 | 10 | 2023-12-06 20:41:43 |
Sala Sismica INGV-Roma | 123859191 |
Field | Value |
---|---|
Time (UTC) | 2023-12-06 20:29:43 ± 0.11 |
Latitude | 42.7887 ± 0.0063 |
Longitude | 12.0023 ± 0.0074 |
Depth (km) | 10 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 123859191 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 775 |
Semi-minor axis of confidence ellipse (meter) | 244 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 326 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 780.0 |
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 | 21 |
Number of defining phases | 20 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.23 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.66280 |
Number of stations at which the event was observed | 12 |
Number of stations from which data was used for origin computation | 11 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.1 |
Num. used stations | 14 |
Type of magnitude | ML |
Reference to an origin | 123859191 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-12-06 20:41:43 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ZCCA.HHZ. | 2023-12-06T20:30:14.55 | 3.0 | negative | manual | Pn | 1.34 | 0 | |||
IV.ATVO.HHZ. | 2023-12-06T20:30:06.36 | 1.0 | undecidable | manual | S | 26 | 73.5708 | 50 | 0.1 | 23 |
IV.MURB.HHZ. | 2023-12-06T20:30:05.15 | 0.3 | undecidable | manual | S | 39 | 67.5768 | 50 | 0.49 | 64 |
IV.ATMI.HHZ. | 2023-12-06T20:30:03.83 | 0.3 | undecidable | manual | S | 19 | 64.1913 | 50 | 0.05 | 70 |
IV.CAFI.HHZ. | 2023-12-06T20:30:02.99 | 0.6 | undecidable | manual | S | 357 | 59.9955 | 50 | 0.34 | 44 |
IV.ATVO.HHZ. | 2023-12-06T20:29:56.88 | 0.3 | undecidable | manual | P | 26 | 73.5708 | 50 | 0.05 | 69 |
IV.ATMI.HHZ. | 2023-12-06T20:29:55.35 | 0.3 | undecidable | manual | P | 19 | 64.1913 | 50 | -0.05 | 70 |
IV.MURB.HHZ. | 2023-12-06T20:29:55.98 | 0.3 | undecidable | manual | P | 39 | 67.5768 | 50 | 0.07 | 70 |
IV.CAFI.HHZ. | 2023-12-06T20:29:54.63 | 0.3 | undecidable | manual | P | 357 | 59.9955 | 50 | -0.12 | 70 |
IV.LATE.HHZ. | 2023-12-06T20:29:53.68 | 0.3 | undecidable | manual | S | 220 | 25.2525 | 50 | 0.31 | 72 |
IV.MCIV.CHZ. | 2023-12-06T20:29:53.40 | 0.3 | undecidable | manual | S | 268 | 26.5512 | 50 | -0.32 | 71 |
TV.SF11.HHZ. | 2023-12-06T20:29:53.68 | 0.3 | undecidable | manual | S | 289 | 27.75 | 50 | -0.36 | 70 |
IV.ARCI.HHZ. | 2023-12-06T20:29:52.29 | 0.3 | undecidable | manual | P | 279 | 43.4232 | 50 | 0.09 | 72 |
IV.MOMA.HHZ. | 2023-12-06T20:29:52.19 | 0.3 | undecidable | manual | P | 88 | 46.2204 | 50 | -0.44 | 67 |
IV.MGAB.HHZ. | 2023-12-06T20:29:50.37 | 0.3 | undecidable | manual | S | 33 | 16.3725 | 122 | -0.28 | 73 |
IV.SACS.HHZ. | 2023-12-06T20:29:49.20 | 0.3 | undecidable | manual | S | 312 | 10.0788 | 135 | 0.28 | 74 |
TV.SF11.HHZ. | 2023-12-06T20:29:49.71 | 0.1 | undecidable | manual | P | 289 | 27.75 | 50 | -0.07 | 100 |
IV.LATE.HHZ. | 2023-12-06T20:29:49.69 | 0.3 | undecidable | manual | P | 220 | 25.2525 | 50 | 0.29 | 72 |
IV.MCIV.CHZ. | 2023-12-06T20:29:49.39 | 0.1 | undecidable | manual | P | 268 | 26.5512 | 50 | -0.2 | 97 |
IV.SACS.HHZ. | 2023-12-06T20:29:47.03 | 0.1 | undecidable | manual | P | 312 | 10.0788 | 135 | 0.21 | 100 |
IV.MGAB.HHZ. | 2023-12-06T20:29:47.55 | 0.3 | undecidable | manual | P | 33 | 16.3725 | 122 | -0.28 | 73 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SACS.HNN. | ML:1.7 | 0.0006045 | 1.44 | AML | other | m | 2023-12-06T20:29:49.75 |
IV.SACS.HHN. | ML:1.7 | 0.0006035 | 0.8 | AML | other | m | 2023-12-06T20:29:49.36 |
IV.SACS.HHE. | ML:1.8 | 0.000733 | 0.18 | AML | other | m | 2023-12-06T20:29:49.81 |
IV.SACS.HNE. | ML:1.8 | 0.0007515000000000001 | 0.18 | AML | other | m | 2023-12-06T20:29:49.90 |
IV.MGAB.HNE. | ML:1.6 | 0.000378 | 0.66 | AML | other | m | 2023-12-06T20:29:51.38 |
IV.MGAB.HNN. | ML:1.7 | 0.00046599999999999994 | 0.98 | AML | other | m | 2023-12-06T20:29:51.26 |
IV.MGAB.HHE. | ML:1.7 | 0.000411 | 0.38 | AML | other | m | 2023-12-06T20:29:51.57 |
IV.MGAB.HHN. | ML:1.6 | 0.00036899999999999997 | 0.84 | AML | other | m | 2023-12-06T20:29:51.53 |
IV.LATE.HHN. | ML:1.8 | 0.0004115 | 0.98 | AML | other | m | 2023-12-06T20:29:55.40 |
IV.LATE.HHE. | ML:1.7 | 0.000319 | 0.24 | AML | other | m | 2023-12-06T20:29:56.11 |
IV.ATMI.HHE. | ML:1.7 | 0.00009035 | 1.32 | AML | other | m | 2023-12-06T20:30:05.04 |
IV.MURB.HHN. | ML:1.9 | 0.000143 | 0.58 | AML | other | m | 2023-12-06T20:30:07.50 |
IV.MURB.HHE. | ML:2.0 | 0.0001805 | 0.62 | AML | other | m | 2023-12-06T20:30:07.83 |
IV.ATMI.HHN. | ML:1.7 | 0.0000852 | 0.98 | AML | other | m | 2023-12-06T20:30:09.01 |