A magnitude ML 1.4 earthquake occured in region: 2 km N Bolsena (VT), on
and geographic coordinates (lat, lon) 42.6620, 11.9910 at 5 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 |
---|---|---|---|---|
Bolsena | VT | 2 | 3991 | 3991 |
Castel Giorgio | TR | 5 | 2131 | 6122 |
San Lorenzo Nuovo | VT | 7 | 2091 | 8213 |
Porano | TR | 10 | 1966 | 10179 |
Bagnoregio | VT | 10 | 3650 | 13829 |
Grotte di Castro | VT | 10 | 2683 | 16512 |
Lubriano | VT | 10 | 909 | 17421 |
Castel Viscardo | TR | 11 | 2938 | 20359 |
Gradoli | VT | 11 | 1353 | 21712 |
Orvieto | TR | 12 | 20630 | 42342 |
Acquapendente | VT | 14 | 5506 | 47848 |
Latera | VT | 14 | 836 | 48684 |
Montefiascone | VT | 14 | 13432 | 62116 |
Capodimonte | VT | 14 | 1731 | 63847 |
Onano | VT | 15 | 995 | 64842 |
Marta | VT | 15 | 3499 | 68341 |
Celleno | VT | 16 | 1355 | 69696 |
Allerona | TR | 17 | 1794 | 71490 |
Proceno | VT | 17 | 557 | 72047 |
Civitella d'Agliano | VT | 17 | 1640 | 73687 |
Valentano | VT | 17 | 2868 | 76555 |
Castiglione in Teverina | VT | 18 | 2329 | 78884 |
Baschi | TR | 19 | 2722 | 81606 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.4 | 2020-04-22 15:31:17 |
42.6615 | 11.9913 | 5 | 2020-07-18 21:08:42 |
Bollettino Sismico Italiano INGV | 80979041 |
Reviewed Rev100 |
ML 1.5 | 2020-04-22 15:31:17 |
42.6615 | 11.9913 | 5 | 2020-04-22 16:07:09 |
Sala Sismica INGV-Roma | 78475681 |
Field | Value |
---|---|
Time (UTC) | 2020-04-22 15:31:17 ± 0.15 |
Latitude | 42.6615 ± 0.0072 |
Longitude | 11.9913 ± 0.0098 |
Depth (km) | 5 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 80979041 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 718 |
Semi-minor axis of confidence ellipse (meter) | 680 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 317 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 720.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 103 |
Number of associated phases, regardless of their use for origin computation | 36 |
Number of defining phases | 24 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.35 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.59715 |
Number of stations at which the event was observed | 24 |
Number of stations from which data was used for origin computation | 13 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | 0.1 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 78475681 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-04-22 16:07:09 |
Field | Value |
---|---|
Value | 1.4 |
Uncertainty | 0.1 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 80979041 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2020-07-12 13:08:10 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.STAL.HHZ. | 2020-04-22T15:33:06.77 | 3.0 | undecidable | manual | Sg | 14.16 | 0 | |||
OX.SABO.HNZ. | 2020-04-22T15:33:01.42 | 3.0 | undecidable | manual | Sg | 11.44 | 0 | |||
CH.GIMEL.HHZ. | 2020-04-22T15:32:39.99 | 3.0 | positive | manual | Pn | 1.54 | 0 | |||
IV.PTRJ.HNZ. | 2020-04-22T15:32:17.76 | 3.0 | undecidable | manual | Sn | -3.92 | 0 | |||
GU.CANO.HHZ. | 2020-04-22T15:32:03.48 | 3.0 | undecidable | manual | Pn | -0.99 | 0 | |||
GU.GORR.HHZ. | 2020-04-22T15:31:59.82 | 3.0 | undecidable | manual | Pn | 0.78 | 0 | |||
IV.COLB.HHZ. | 2020-04-22T15:31:58.80 | 3.0 | positive | manual | Pg | 3.27 | 0 | |||
IV.ROSPO.HHZ. | 2020-04-22T15:31:55.24 | 3.0 | negative | manual | Pg | 3.41 | 0 | |||
IV.VCEL.EHZ. | 2020-04-22T15:31:55.52 | 3.0 | undecidable | manual | Sn | -3.61 | 0 | |||
IV.MC2.EHZ. | 2020-04-22T15:31:43.97 | 3.0 | undecidable | manual | Sn | -2.89 | 0 | |||
IV.VVLD.HHZ. | 2020-04-22T15:31:42.44 | 3.0 | undecidable | manual | P | 0.86 | 0 | |||
IV.VCEL.EHZ. | 2020-04-22T15:31:37.85 | 3.0 | undecidable | manual | P | -2.68 | 0 | |||
IV.MOMA.HHE. | 2020-04-22T15:31:34.44 | 0.6 | undecidable | manual | S | 71 | 49.7169 | 50 | 0.24 | 47 |
IV.ARCI.HNZ. | 2020-04-22T15:31:33.83 | 0.6 | undecidable | manual | S | 297 | 47.0196 | 50 | 0.34 | 46 |
IV.BARO.EHZ. | 2020-04-22T15:31:32.78 | 0.3 | undecidable | manual | S | 174 | 46.1205 | 50 | -0.46 | 67 |
TV.SF01.EHN. | 2020-04-22T15:31:30.36 | 0.6 | undecidable | manual | S | 296 | 38.628 | 98 | -0.4 | 46 |
IV.TOLF.HHE. | 2020-04-22T15:31:29.26 | 0.3 | undecidable | manual | P | 179 | 66.2781 | 50 | -0.31 | 67 |
TV.SF14.HHE. | 2020-04-22T15:31:28.23 | 0.6 | undecidable | manual | S | 289 | 32.4453 | 99 | -0.39 | 47 |
TV.SF11.HHE. | 2020-04-22T15:31:28.83 | 0.6 | undecidable | manual | S | 312 | 34.2435 | 99 | -0.43 | 46 |
TV.SF04.EHN. | 2020-04-22T15:31:28.36 | 0.3 | undecidable | manual | S | 306 | 33.1446 | 99 | -0.51 | 68 |
IV.ARCI.HNZ. | 2020-04-22T15:31:27.14 | 0.3 | undecidable | manual | P | 297 | 47.0196 | 50 | 0.53 | 66 |
IV.MGAB.HHZ. | 2020-04-22T15:31:27.77 | 0.6 | undecidable | manual | S | 19 | 29.5482 | 100 | 0.14 | 50 |
IV.MOMA.HHE. | 2020-04-22T15:31:27.52 | 0.3 | undecidable | manual | P | 71 | 49.7169 | 50 | 0.5 | 66 |
IV.MCIV.CHE. | 2020-04-22T15:31:26.88 | 0.3 | undecidable | manual | S | 297 | 28.749 | 101 | -0.49 | 69 |
IV.BARO.EHZ. | 2020-04-22T15:31:26.03 | 0.1 | undecidable | manual | P | 174 | 46.1205 | 50 | -0.44 | 90 |
TV.SF01.EHN. | 2020-04-22T15:31:25.34 | 0.3 | undecidable | manual | P | 296 | 38.628 | 98 | 0.31 | 71 |
IV.SACS.HHZ. | 2020-04-22T15:31:24.97 | 0.3 | undecidable | manual | S | 342 | 21.867 | 104 | -0.05 | 77 |
TV.SF11.HHE. | 2020-04-22T15:31:24.32 | 0.3 | undecidable | manual | P | 312 | 34.2435 | 99 | 0.16 | 73 |
TV.SF04.EHN. | 2020-04-22T15:31:24.37 | 0.3 | undecidable | manual | P | 306 | 33.1446 | 99 | 0.43 | 69 |
TV.SF03.EHZ. | 2020-04-22T15:31:23.65 | 0.3 | undecidable | manual | P | 302 | 29.4483 | 100 | 0.44 | 70 |
IV.LATE.HHZ. | 2020-04-22T15:31:23.77 | 0.6 | undecidable | manual | S | 251 | 16.1727 | 108 | 0.64 | 44 |
IV.MCIV.CHE. | 2020-04-22T15:31:23.68 | 0.3 | undecidable | manual | P | 297 | 28.749 | 101 | 0.61 | 66 |
TV.SF14.HHE. | 2020-04-22T15:31:23.43 | 0.3 | undecidable | manual | P | 289 | 32.4453 | 99 | -0.37 | 70 |
IV.MGAB.HHZ. | 2020-04-22T15:31:22.79 | 0.1 | positive | manual | P | 19 | 29.5482 | 100 | -0.44 | 93 |
IV.LATE.HHZ. | 2020-04-22T15:31:21.03 | 0.1 | positive | manual | P | 251 | 16.1727 | 108 | 0.4 | 96 |
IV.SACS.HHZ. | 2020-04-22T15:31:21.56 | 0.1 | positive | manual | P | 342 | 21.867 | 104 | -0.16 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.LATE.HHE. | ML:1.5 | 0.00034894955 | 0.256 | AML | other | m | 2020-04-22T15:31:24.81 |
IV.SACS.HNN. | ML:1.5 | 0.00022622349999999999 | 0.4224 | AML | other | m | 2020-04-22T15:31:25.24 |
IV.SACS.HHN. | ML:1.4 | 0.0001823797 | 0.3968 | AML | other | m | 2020-04-22T15:31:25.25 |
IV.SACS.HHE. | ML:1.5 | 0.00021795955 | 0.2304 | AML | other | m | 2020-04-22T15:31:25.35 |
IV.SACS.HNE. | ML:1.5 | 0.00024623339999999997 | 0.2304 | AML | other | m | 2020-04-22T15:31:25.35 |
IV.LATE.HHN. | ML:1.6 | 0.00036766435 | 0.2432 | AML | other | m | 2020-04-22T15:31:28.38 |
IV.MGAB.HHN. | ML:1.4 | 0.00012050255 | 0.1536 | AML | other | m | 2020-04-22T15:31:29.18 |
IV.MGAB.HNN. | ML:1.3 | 0.000108218155 | 0.1536 | AML | other | m | 2020-04-22T15:31:29.18 |
IV.MGAB.HHE. | ML:1.3 | 0.00010229256 | 0.384 | AML | other | m | 2020-04-22T15:31:31.37 |
IV.MGAB.HNE. | ML:1.3 | 0.00010258487 | 0.384 | AML | other | m | 2020-04-22T15:31:31.38 |