A magnitude ML 1.9 earthquake occured in region: 3 km SE San Lorenzo Nuovo (VT), on
and geographic coordinates (lat, lon) 42.6660, 11.9320 at 6 km depth.
The earthquake was located by: Bollettino Sismico Italiano INGV.
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 | 3 | 2091 | 2091 |
Grotte di Castro | VT | 5 | 2683 | 4774 |
Bolsena | VT | 5 | 3991 | 8765 |
Castel Giorgio | TR | 6 | 2131 | 10896 |
Gradoli | VT | 7 | 1353 | 12249 |
Latera | VT | 9 | 836 | 13085 |
Onano | VT | 10 | 995 | 14080 |
Acquapendente | VT | 10 | 5506 | 19586 |
Castel Viscardo | TR | 12 | 2938 | 22524 |
Capodimonte | VT | 13 | 1731 | 24255 |
Proceno | VT | 13 | 557 | 24812 |
Valentano | VT | 14 | 2868 | 27680 |
Porano | TR | 14 | 1966 | 29646 |
Marta | VT | 14 | 3499 | 33145 |
Bagnoregio | VT | 14 | 3650 | 36795 |
Lubriano | VT | 15 | 909 | 37704 |
Orvieto | TR | 16 | 20630 | 58334 |
Montefiascone | VT | 16 | 13432 | 71766 |
Allerona | TR | 17 | 1794 | 73560 |
Sorano | GR | 18 | 3428 | 76988 |
Piansano | VT | 18 | 2079 | 79067 |
Ischia di Castro | VT | 20 | 2326 | 81393 |
Celleno | VT | 20 | 1355 | 82748 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.9 | 2021-02-26 07:51:33 |
42.6655 | 11.9318 | 7 | 2021-07-12 16:55:01 |
Bollettino Sismico Italiano INGV | 87897971 |
Reviewed Rev100 |
ML 2.1 | 2021-02-26 07:51:33 |
42.6612 | 11.9483 | 5 | 2021-02-26 08:07:01 |
Sala Sismica INGV-Roma | 87494731 |
Field | Value |
---|---|
Time (UTC) | 2021-02-26 07:51:33 ± 0.11 |
Latitude | 42.6655 ± 0.0054 |
Longitude | 11.9318 ± 0.0061 |
Depth (km) | 7 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 87897971 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 498 |
Semi-minor axis of confidence ellipse (meter) | 488 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 327 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 500.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 116 |
Number of associated phases, regardless of their use for origin computation | 28 |
Number of defining phases | 27 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.26 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.73744 |
Number of stations at which the event was observed | 16 |
Number of stations from which data was used for origin computation | 15 |
Field | Value |
---|---|
Value | 2.1 |
Uncertainty | 0.4 |
Num. used stations | 18 |
Type of magnitude | ML |
Reference to an origin | 87494731 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-02-26 08:07:01 |
Field | Value |
---|---|
Value | 1.9 |
Uncertainty | 0.4 |
Num. used stations | 26 |
Type of magnitude | ML |
Reference to an origin | 87897971 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-03-16 16:11:26 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CAFI.HHZ. | 2021-02-26T07:51:56.09 | 0.6 | undecidable | manual | S | 2 | 73.6707 | 50 | -0.15 | 45 |
IV.TOLF.HHN. | 2021-02-26T07:51:54.64 | 0.6 | undecidable | manual | S | 175 | 66.9774 | 50 | 0.2 | 45 |
IV.MMO1.EHZ. | 2021-02-26T07:51:52.63 | 3.0 | negative | manual | P | 1.15 | 0 | |||
IT.GNU.HGE. | 2021-02-26T07:51:51.08 | 1.0 | undecidable | manual | S | 73 | 54.2013 | 50 | 0.03 | 24 |
IV.MOMA.HHZ. | 2021-02-26T07:51:51.42 | 0.6 | undecidable | manual | S | 73 | 54.2013 | 50 | 0.38 | 44 |
IV.BARO.HNE. | 2021-02-26T07:51:48.93 | 0.3 | undecidable | manual | S | 168 | 47.3193 | 50 | -0.28 | 68 |
IV.MURB.HHZ. | 2021-02-26T07:51:48.01 | 0.3 | undecidable | manual | P | 36 | 81.8514 | 50 | 0.28 | 64 |
IV.ARCI.HHZ. | 2021-02-26T07:51:47.71 | 0.6 | undecidable | manual | S | 299 | 42.5241 | 50 | -0.21 | 47 |
IV.ARRO.EHZ. | 2021-02-26T07:51:46.33 | 0.3 | undecidable | manual | P | 98 | 68.7756 | 50 | 0.63 | 60 |
IV.TOLF.HHN. | 2021-02-26T07:51:45.11 | 0.3 | undecidable | manual | P | 175 | 66.9774 | 50 | -0.31 | 66 |
IV.CAFI.HHZ. | 2021-02-26T07:51:45.91 | 0.3 | undecidable | manual | P | 2 | 73.6707 | 50 | -0.55 | 61 |
IV.CESX.HHZ. | 2021-02-26T07:51:44.02 | 1.0 | undecidable | manual | P | 97 | 53.8017 | 50 | 0.62 | 21 |
IV.MOMA.HHZ. | 2021-02-26T07:51:43.37 | 0.3 | undecidable | manual | P | 73 | 54.2013 | 50 | -0.09 | 70 |
TV.SF04.EHZ. | 2021-02-26T07:51:43.51 | 1.0 | undecidable | manual | S | 311 | 29.0487 | 103 | 0.07 | 25 |
IV.MGAB.HHZ. | 2021-02-26T07:51:43.90 | 0.3 | undecidable | manual | S | 28 | 31.0467 | 102 | -0.22 | 71 |
IT.GNU.HGE. | 2021-02-26T07:51:43.82 | 1.0 | undecidable | manual | P | 73 | 54.2013 | 50 | 0.36 | 22 |
TV.SF14.HHN. | 2021-02-26T07:51:42.50 | 0.6 | undecidable | manual | S | 291 | 27.6501 | 103 | -0.47 | 45 |
TV.SF03.EHN. | 2021-02-26T07:51:42.33 | 0.6 | undecidable | manual | S | 307 | 25.1526 | 105 | 0.2 | 48 |
IV.BARO.HNE. | 2021-02-26T07:51:42.21 | 0.3 | undecidable | manual | P | 168 | 47.3193 | 50 | -0.19 | 70 |
IV.ARCI.HHZ. | 2021-02-26T07:51:41.87 | 0.3 | undecidable | manual | P | 299 | 42.5241 | 50 | 0.21 | 70 |
IV.MCIV.CHZ. | 2021-02-26T07:51:41.95 | 0.6 | undecidable | manual | S | 301 | 24.2535 | 105 | 0.12 | 49 |
IV.SACS.HHZ. | 2021-02-26T07:51:40.78 | 0.6 | undecidable | manual | S | 355 | 20.4684 | 108 | 0.23 | 48 |
IV.MGAB.HHZ. | 2021-02-26T07:51:39.00 | 0.1 | positive | manual | P | 28 | 31.0467 | 102 | -0.47 | 90 |
TV.SF04.EHZ. | 2021-02-26T07:51:39.34 | 0.3 | undecidable | manual | P | 311 | 29.0487 | 103 | 0.27 | 71 |
TV.SF03.EHN. | 2021-02-26T07:51:38.24 | 0.3 | undecidable | manual | P | 307 | 25.1526 | 105 | -0.07 | 74 |
IV.MCIV.CHZ. | 2021-02-26T07:51:38.78 | 0.3 | undecidable | manual | P | 301 | 24.2535 | 105 | 0.64 | 64 |
TV.SF14.HHN. | 2021-02-26T07:51:38.73 | 0.3 | undecidable | manual | P | 291 | 27.6501 | 103 | -0.07 | 74 |
IV.SACS.HHZ. | 2021-02-26T07:51:37.33 | 0.1 | positive | manual | P | 355 | 20.4684 | 108 | -0.07 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SACS.HNN. | ML:1.8 | 0.00048562404999999995 | 0.32 | AML | other | m | 2021-02-26T07:51:40.00 |
IV.SACS.HNE. | ML:2.1 | 0.00092935245 | 0.1792 | AML | other | m | 2021-02-26T07:51:41.11 |
IV.SACS.HHE. | ML:2.1 | 0.0009398326 | 0.2624 | AML | other | m | 2021-02-26T07:51:41.45 |
IV.SACS.HHN. | ML:1.9 | 0.0006535 | 0.42 | AML | other | m | 2021-02-26T07:51:41.52 |
TV.SF04.EHN. | ML:2.2 | 0.0008853591000000001 | 0.1984 | AML | other | m | 2021-02-26T07:51:45.08 |
IV.MGAB.HHE. | ML:2.2 | 0.0007576120500000001 | 0.1984 | AML | other | m | 2021-02-26T07:51:45.16 |
TV.SF04.EHE. | ML:2.2 | 0.0009405000000000001 | 0.2 | AML | other | m | 2021-02-26T07:51:45.37 |
IV.MGAB.HHN. | ML:2.2 | 0.0007488245 | 0.3648 | AML | other | m | 2021-02-26T07:51:45.49 |
IV.MGAB.HNN. | ML:2.1 | 0.0006897472 | 0.32 | AML | other | m | 2021-02-26T07:51:45.51 |
IV.MGAB.HNE. | ML:2.1 | 0.0006910000000000001 | 0.86 | AML | other | m | 2021-02-26T07:51:45.97 |
IV.MOMA.HHN. | ML:1.7 | 0.000125 | 0.58 | AML | other | m | 2021-02-26T07:51:52.34 |
IV.MOMA.HNN. | ML:1.7 | 0.0001277056 | 0.16 | AML | other | m | 2021-02-26T07:51:53.26 |
IV.MOMA.HHE. | ML:1.8 | 0.0001545681 | 0.16 | AML | other | m | 2021-02-26T07:51:54.01 |
IV.MOMA.HNE. | ML:1.8 | 0.00014620125 | 0.16 | AML | other | m | 2021-02-26T07:51:54.02 |
IV.CSNT.HHE. | ML:1.2 | 0.000014655245000000001 | 0.2176 | AML | other | m | 2021-02-26T07:51:56.76 |
IV.CAFI.HHE. | ML:1.6 | 0.00006113743000000001 | 0.2048 | AML | other | m | 2021-02-26T07:51:56.85 |
IV.CAFI.HHN. | ML:1.6 | 0.00005975 | 0.22 | AML | other | m | 2021-02-26T07:51:58.57 |
IV.ARRO.EHN. | ML:1.5 | 0.000048006775 | 0.256 | AML | other | m | 2021-02-26T07:51:59.32 |
IV.ARRO.EHE. | ML:1.5 | 0.00005955 | 0.2 | AML | other | m | 2021-02-26T07:52:00.56 |
IV.CSNT.HHN. | ML:1.0 | 0.0000121002545 | 0.32 | AML | other | m | 2021-02-26T07:52:00.80 |
IV.MURB.HHE. | ML:2.6 | 0.0005785660500000001 | 0.3008 | AML | other | m | 2021-02-26T07:52:02.32 |
IV.MURB.HNE. | ML:2.6 | 0.0005814999999999999 | 0.3 | AML | other | m | 2021-02-26T07:52:02.34 |
IV.MURB.HHN. | ML:2.8 | 0.0008555 | 0.28 | AML | other | m | 2021-02-26T07:52:02.67 |
IV.MURB.HNN. | ML:2.8 | 0.0008049999999999999 | 0.3 | AML | other | m | 2021-02-26T07:52:02.68 |
IV.CASP.HHE. | ML:1.3 | 0.000022563955 | 0.5184 | AML | other | m | 2021-02-26T07:52:05.96 |
IV.CASP.HHN. | ML:1.4 | 0.000027680675000000002 | 0.4992 | AML | other | m | 2021-02-26T07:52:07.88 |