A magnitude ML 1.7 earthquake occured in region: 4 km SE San Lorenzo Nuovo (VT), on
and geographic coordinates (lat, lon) 42.6680, 11.9430 at 9 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 |
---|---|---|---|---|
San Lorenzo Nuovo | VT | 4 | 2091 | 2091 |
Bolsena | VT | 4 | 3991 | 6082 |
Castel Giorgio | TR | 6 | 2131 | 8213 |
Grotte di Castro | VT | 6 | 2683 | 10896 |
Gradoli | VT | 8 | 1353 | 12249 |
Latera | VT | 10 | 836 | 13085 |
Acquapendente | VT | 11 | 5506 | 18591 |
Onano | VT | 11 | 995 | 19586 |
Castel Viscardo | TR | 11 | 2938 | 22524 |
Porano | TR | 13 | 1966 | 24490 |
Capodimonte | VT | 13 | 1731 | 26221 |
Proceno | VT | 14 | 557 | 26778 |
Bagnoregio | VT | 14 | 3650 | 30428 |
Lubriano | VT | 14 | 909 | 31337 |
Marta | VT | 15 | 3499 | 34836 |
Valentano | VT | 15 | 2868 | 37704 |
Orvieto | TR | 15 | 20630 | 58334 |
Montefiascone | VT | 16 | 13432 | 71766 |
Allerona | TR | 16 | 1794 | 73560 |
Sorano | GR | 19 | 3428 | 76988 |
Piansano | VT | 19 | 2079 | 79067 |
Celleno | VT | 19 | 1355 | 80422 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.7 | 2023-10-21 08:19:55 |
42.6675 | 11.943 | 9 | 2023-10-21 08:43:37 |
Sala Sismica INGV-Roma | 122263441 |
Field | Value |
---|---|
Time (UTC) | 2023-10-21 08:19:55 ± 0.09 |
Latitude | 42.6675 ± 0.0045 |
Longitude | 11.9430 ± 0.0061 |
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 | 122263441 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 519 |
Semi-minor axis of confidence ellipse (meter) | 415 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 260 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 520.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 142 |
Number of associated phases, regardless of their use for origin computation | 14 |
Number of defining phases | 14 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.18 |
Epicentral distance of station closest to the epicenter (degree) | 0.18346 |
Epicentral distance of station farthest from the epicenter (degree) | 0.66190 |
Number of stations at which the event was observed | 7 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.2 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 122263441 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-10-21 08:43:37 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CAFI.HHZ. | 2023-10-21T08:20:18.88 | 0.6 | undecidable | manual | S | 1 | 73.4709 | 50 | 0.45 | 42 |
IV.BARO.EHE. | 2023-10-21T08:20:11.77 | 0.6 | undecidable | manual | S | 169 | 47.4192 | 50 | 0.29 | 45 |
IV.ARCI.HHE. | 2023-10-21T08:20:10.27 | 0.6 | undecidable | manual | S | 298 | 43.2234 | 50 | -0.1 | 48 |
IV.CAFI.HHZ. | 2023-10-21T08:20:08.72 | 0.1 | undecidable | manual | P | 1 | 73.4709 | 50 | -0.16 | 89 |
IV.MGAB.HHZ. | 2023-10-21T08:20:06.90 | 0.6 | undecidable | manual | S | 27 | 30.4473 | 106 | 0.09 | 49 |
TV.SF11.HHZ. | 2023-10-21T08:20:06.83 | 0.6 | undecidable | manual | S | 316 | 30.9468 | 105 | -0.15 | 48 |
IV.MCIV.CHZ. | 2023-10-21T08:20:05.17 | 0.6 | undecidable | manual | S | 300 | 24.9528 | 109 | 0.18 | 48 |
IV.ARCI.HHE. | 2023-10-21T08:20:04.03 | 0.1 | undecidable | manual | P | 298 | 43.2234 | 50 | -0.19 | 93 |
IV.BARO.EHE. | 2023-10-21T08:20:04.87 | 0.1 | undecidable | manual | P | 169 | 47.4192 | 50 | 0.01 | 96 |
IV.SACS.HHZ. | 2023-10-21T08:20:03.86 | 0.6 | undecidable | manual | S | 352 | 20.3685 | 113 | 0.38 | 47 |
TV.SF11.HHZ. | 2023-10-21T08:20:02.37 | 0.1 | undecidable | manual | P | 316 | 30.9468 | 105 | 0.1 | 97 |
IV.MCIV.CHZ. | 2023-10-21T08:20:01.14 | 0.1 | undecidable | manual | P | 300 | 24.9528 | 109 | 0.03 | 100 |
IV.MGAB.HHZ. | 2023-10-21T08:20:01.93 | 0.1 | positive | manual | P | 27 | 30.4473 | 106 | -0.24 | 95 |
IV.SACS.HHZ. | 2023-10-21T08:20:00.17 | 0.1 | undecidable | manual | P | 352 | 20.3685 | 113 | -0.08 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SACS.HNE. | ML:1.8 | 0.00042699999999999997 | 0.14 | AML | other | m | 2023-10-21T08:20:03.99 |
IV.SACS.HHN. | ML:1.6 | 0.000309 | 0.4 | AML | other | m | 2023-10-21T08:20:04.10 |
IV.SACS.HNN. | ML:1.6 | 0.00030649999999999997 | 0.72 | AML | other | m | 2023-10-21T08:20:04.66 |
IV.SACS.HHE. | ML:1.7 | 0.000404 | 1.28 | AML | other | m | 2023-10-21T08:20:04.78 |
IV.MGAB.HHE. | ML:1.9 | 0.00035450000000000005 | 1.48 | AML | other | m | 2023-10-21T08:20:07.99 |
IV.MCIV.CHE. | ML:1.5 | 0.0002 | 0.58 | AML | other | m | 2023-10-21T08:20:08.06 |
IV.MCIV.CHN. | ML:1.5 | 0.00020050000000000002 | 0.8 | AML | other | m | 2023-10-21T08:20:08.54 |
IV.MGAB.HHN. | ML:1.8 | 0.000334 | 0.54 | AML | other | m | 2023-10-21T08:20:08.62 |
IV.MGAB.HNE. | ML:1.9 | 0.000381 | 0.6 | AML | other | m | 2023-10-21T08:20:08.59 |
IV.MGAB.HNN. | ML:1.9 | 0.0003895 | 0.7 | AML | other | m | 2023-10-21T08:20:09.51 |
IV.CAFI.HHE. | ML:1.5 | 0.000049582007500000005 | 0.1792 | AML | other | m | 2023-10-21T08:20:21.49 |
IV.CAFI.HHN. | ML:1.4 | 0.0000339840875 | 0.1856 | AML | other | m | 2023-10-21T08:20:19.72 |