A magnitude ML 1.0 earthquake occured in region: 5 km NE Acquapendente (VT), on
and geographic coordinates (lat, lon) 42.7830, 11.9020 at 22 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 |
---|---|---|---|---|
Acquapendente | VT | 5 | 5506 | 5506 |
Proceno | VT | 6 | 557 | 6063 |
Allerona | TR | 7 | 1794 | 7857 |
Castel Viscardo | TR | 9 | 2938 | 10795 |
San Casciano dei Bagni | SI | 10 | 1632 | 12427 |
Castel Giorgio | TR | 11 | 2131 | 14558 |
San Lorenzo Nuovo | VT | 11 | 2091 | 16649 |
Onano | VT | 12 | 995 | 17644 |
Grotte di Castro | VT | 12 | 2683 | 20327 |
Fabro | TR | 13 | 2876 | 23203 |
Ficulle | TR | 15 | 1669 | 24872 |
Gradoli | VT | 16 | 1353 | 26225 |
Castell'Azzara | GR | 17 | 1476 | 27701 |
Bolsena | VT | 17 | 3991 | 31692 |
Radicofani | SI | 17 | 1097 | 32789 |
Latera | VT | 18 | 836 | 33625 |
Orvieto | TR | 18 | 20630 | 54255 |
Piancastagnaio | SI | 19 | 4230 | 58485 |
Sorano | GR | 19 | 3428 | 61913 |
Parrano | TR | 19 | 534 | 62447 |
Monteleone d'Orvieto | TR | 19 | 1467 | 63914 |
Porano | TR | 20 | 1966 | 65880 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 1.8
ML 1.0 |
2009-02-16 07:51:25 |
42.783 | 11.902 | 22 | 2014-10-21 12:27:13 |
Bollettino Sismico Italiano INGV | 744469 |
Field | Value |
---|---|
Time (UTC) | 2009-02-16 07:51:25 ± 0.81 |
Latitude | 42.7830 ± 0.0306 |
Longitude | 11.9020 ± 0.0551 |
Depth (km) | 22 ± 5 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-SISPICK |
Event type | earthquake |
Origin ID | 744469 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 5107 |
Semi-minor axis of confidence ellipse (meter) | 1812 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 304 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 5640.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 162 |
Number of associated phases, regardless of their use for origin computation | 8 |
Number of defining phases | 6 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.55 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.20055 |
Number of stations at which the event was observed | 4 |
Number of stations from which data was used for origin computation | 3 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.4 |
Num. used stations | |
Type of magnitude | ML |
Reference to an origin | 744469 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-05 14:04:43 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.2 |
Num. used stations | |
Type of magnitude | Md |
Reference to an origin | 744469 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-05 14:04:43 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MGAB.HHZ. | 2009-02-16T07:51:35.25 | 0.6 | undecidable | manual | Sg | 50 | 22.2555 | 0.019 | 50 | |
IV.LATE.HHE. | 2009-02-16T07:51:34.42 | 0.6 | undecidable | manual | Sg | 203 | 20.4684 | -0.423 | 46 | |
IV.SACS.HHZ. | 2009-02-16T07:51:33.01 | 0.3 | undecidable | manual | Sg | 5 | 7.2927 | 0.255 | 73 | |
IV.MGAB.HHZ. | 2009-02-16T07:51:31.22 | 0.1 | undecidable | manual | Pg | 50 | 22.2555 | -0.015 | 100 | |
IV.LATE.HHE. | 2009-02-16T07:51:31.51 | 0.3 | undecidable | manual | Pg | 203 | 20.4684 | 0.498 | 68 | |
IV.NRCA.HHZ. | 2009-02-16T07:51:29.67 | 10.0 | undecidable | manual | Sg | 0 | 0 | 0 | ||
IV.SACS.HHZ. | 2009-02-16T07:51:29.47 | 0.1 | undecidable | manual | Pg | 5 | 7.2927 | -0.335 | 96 | |
IV.NRCA.HHZ. | 2009-02-16T07:51:26.52 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 |