A magnitude Md 2.5 earthquake occured in region: 2 km E Bolsena (VT), on
and geographic coordinates (lat, lon) 42.6410, 12.0100 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 |
Bagnoregio | VT | 8 | 3650 | 7641 |
Castel Giorgio | TR | 8 | 2131 | 9772 |
Lubriano | VT | 8 | 909 | 10681 |
Porano | TR | 9 | 1966 | 12647 |
San Lorenzo Nuovo | VT | 10 | 2091 | 14738 |
Montefiascone | VT | 12 | 13432 | 28170 |
Orvieto | TR | 12 | 20630 | 48800 |
Grotte di Castro | VT | 12 | 2683 | 51483 |
Gradoli | VT | 13 | 1353 | 52836 |
Castel Viscardo | TR | 13 | 2938 | 55774 |
Celleno | VT | 13 | 1355 | 57129 |
Capodimonte | VT | 13 | 1731 | 58860 |
Marta | VT | 14 | 3499 | 62359 |
Latera | VT | 15 | 836 | 63195 |
Civitella d'Agliano | VT | 15 | 1640 | 64835 |
Castiglione in Teverina | VT | 16 | 2329 | 67164 |
Acquapendente | VT | 17 | 5506 | 72670 |
Onano | VT | 17 | 995 | 73665 |
Baschi | TR | 17 | 2722 | 76387 |
Valentano | VT | 18 | 2868 | 79255 |
Graffignano | VT | 18 | 2292 | 81547 |
Allerona | TR | 19 | 1794 | 83341 |
Proceno | VT | 20 | 557 | 83898 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.5
ML-VAX 1.7 |
1990-08-05 09:20:14 |
42.641 | 12.01 | 5 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 124339 |
Field | Value |
---|---|
Time (UTC) | 1990-08-05 09:20:14 ± 0.154 |
Latitude | 42.6410 ± 0.0097 |
Longitude | 12.0100 ± 0.0115 |
Depth (km) | 5 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 124339 |
Field | Value |
---|---|
Preferred uncertainty description | horizontal uncertainty |
Semi-major axis of confidence ellipse (meter) | |
Semi-minor axis of confidence ellipse (meter) | |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1432.3 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 133 |
Number of associated phases, regardless of their use for origin computation | 8 |
Number of defining phases | 8 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.3 |
Epicentral distance of station closest to the epicenter (degree) | 0.00494 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01133 |
Number of stations at which the event was observed | 5 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 2.5 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 124339 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 18:55:33 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 124339 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2015-04-28 13:07:13 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.SFI.Z. | 1990-08-05T09:20:39.00 | 10.0 | undecidable | manual | PN | 355 | 1.2543 | 0.66 | 0.5 | |
--.MAO.Z. | 1990-08-05T09:20:38.88 | 10.0 | undecidable | manual | SG | 251 | 0.666 | 0.43 | 0.4 | |
--.ASS.Z. | 1990-08-05T09:20:37.25 | 10.0 | undecidable | manual | SG | 48 | 0.6327 | 0.02 | 0.8 | |
--.MNS.Z. | 1990-08-05T09:20:35.00 | 10.0 | undecidable | manual | SG | 117 | 0.5439 | 0.18 | 0.8 | |
--.CRE.Z. | 1990-08-05T09:20:33.82 | 10.0 | undecidable | manual | PG | 357 | 0.9657 | -0.07 | 1.6 | |
--.ASS.Z. | 1990-08-05T09:20:27.20 | 10.0 | undecidable | manual | PG | 48 | 0.6327 | -0.25 | 1.4 | |
--.MAO.Z. | 1990-08-05T09:20:27.56 | 10.0 | undecidable | manual | PG | 251 | 0.666 | -0.59 | 0.6 | |
--.MNS.Z. | 1990-08-05T09:20:26.00 | 10.0 | undecidable | manual | PG | 117 | 0.5439 | -0.06 | 1.9 |