A magnitude Md 2.1 earthquake occured in region: 3 km SW Castel Giorgio (TR), on
and geographic coordinates (lat, lon) 42.6820, 11.9640 at 7 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 |
---|---|---|---|---|
Castel Giorgio | TR | 3 | 2131 | 2131 |
Bolsena | VT | 5 | 3991 | 6122 |
San Lorenzo Nuovo | VT | 5 | 2091 | 8213 |
Grotte di Castro | VT | 8 | 2683 | 10896 |
Castel Viscardo | TR | 9 | 2938 | 13834 |
Gradoli | VT | 10 | 1353 | 15187 |
Acquapendente | VT | 11 | 5506 | 20693 |
Porano | TR | 11 | 1966 | 22659 |
Onano | VT | 12 | 995 | 23654 |
Orvieto | TR | 13 | 20630 | 44284 |
Latera | VT | 13 | 836 | 45120 |
Bagnoregio | VT | 13 | 3650 | 48770 |
Lubriano | VT | 13 | 909 | 49679 |
Proceno | VT | 14 | 557 | 50236 |
Allerona | TR | 15 | 1794 | 52030 |
Capodimonte | VT | 15 | 1731 | 53761 |
Marta | VT | 17 | 3499 | 57260 |
Montefiascone | VT | 17 | 13432 | 70692 |
Valentano | VT | 17 | 2868 | 73560 |
Celleno | VT | 19 | 1355 | 74915 |
Ficulle | TR | 19 | 1669 | 76584 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.1 | 2011-08-20 15:58:20 |
42.682 | 11.964 | 7 | 2014-10-21 12:27:13 |
Bollettino Sismico Italiano INGV | 1275039 |
Field | Value |
---|---|
Time (UTC) | 2011-08-20 15:58:20 ± 0.25 |
Latitude | 42.6820 ± 0.0099 |
Longitude | 11.9640 ± 0.0135 |
Depth (km) | 7 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-SISPICK |
Event type | earthquake |
Origin ID | 1275039 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1373 |
Semi-minor axis of confidence ellipse (meter) | 119 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 135 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1555.6 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 215 |
Number of associated phases, regardless of their use for origin computation | 24 |
Number of defining phases | 11 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.4 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.64661 |
Number of stations at which the event was observed | 18 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 2.1 |
Uncertainty | 0.1 |
Num. used stations | |
Type of magnitude | Md |
Reference to an origin | 1275039 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-06 01:11:24 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ALJA.HHE. | 2011-08-20T15:59:00.00 | 10.0 | undecidable | manual | Sg | 0 | 0 | 0 | ||
IV.PTF.SHE. | 2011-08-20T15:58:54.34 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.ALJA.HHE. | 2011-08-20T15:58:53.65 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.ATPC.HHN. | 2011-08-20T15:58:53.20 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.NRCA.HHZ. | 2011-08-20T15:58:51.18 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.ATVO.HHN. | 2011-08-20T15:58:49.50 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.ATMC.EHN. | 2011-08-20T15:58:49.06 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.ATCC.EHN. | 2011-08-20T15:58:46.49 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.MURB.HHE. | 2011-08-20T15:58:43.00 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.ARCI.HHN. | 2011-08-20T15:58:35.86 | 0.6 | undecidable | manual | Sg | 296 | 44.0226 | 0.051 | 48 | |
IV.CAFI.HHE. | 2011-08-20T15:58:33.13 | 0.3 | undecidable | manual | Pg | 0 | 71.7726 | -0.548 | 61 | |
IV.MGAB.HHZ. | 2011-08-20T15:58:30.97 | 0.6 | undecidable | manual | Sg | 25 | 28.3494 | 0.248 | 47 | |
IV.ARCI.HHN. | 2011-08-20T15:58:29.94 | 0.3 | undecidable | manual | Pg | 296 | 44.0226 | 0.55 | 64 | |
IV.MCIV.HHN. | 2011-08-20T15:58:29.33 | 0.3 | undecidable | manual | Sg | 295 | 25.752 | -0.525 | 66 | |
IV.SACS.HHZ. | 2011-08-20T15:58:27.96 | 0.3 | undecidable | manual | Sg | 347 | 19.0698 | 0.325 | 70 | |
IV.MCIV.HHN. | 2011-08-20T15:58:26.09 | 0.3 | undecidable | manual | Pg | 295 | 25.752 | 0.137 | 72 | |
IV.LATE.HHZ. | 2011-08-20T15:58:26.40 | 0.6 | undecidable | manual | Sg | 240 | 15.0738 | 0.06 | 50 | |
IV.MGAB.HHZ. | 2011-08-20T15:58:26.21 | 0.1 | undecidable | manual | Pg | 25 | 28.3494 | -0.243 | 94 | |
IV.SACS.HHZ. | 2011-08-20T15:58:24.69 | 0.1 | undecidable | manual | Pg | 347 | 19.0698 | 0.019 | 100 | |
IV.LATE.HHZ. | 2011-08-20T15:58:23.96 | 0.3 | undecidable | manual | Pg | 240 | 15.0738 | 0.037 | 75 | |
IV.BDI.HHE. | 2011-08-20T15:58:20.77 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.ESLN.HHZ. | 2011-08-20T15:58:07.42 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.MTGR.SHZ. | 2011-08-20T15:57:59.70 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.MPAZ.HHN. | 2011-08-20T15:57:55.59 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 |