A magnitude ML 0.9 earthquake occured in region: 3 km SE Massa Martana (PG), on
and geographic coordinates (lat, lon) 42.7620, 12.5490 at 10 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 |
---|---|---|---|---|
Massa Martana | PG | 3 | 3770 | 3770 |
Acquasparta | TR | 8 | 4778 | 8548 |
Giano dell'Umbria | PG | 8 | 3846 | 12394 |
Todi | PG | 12 | 16851 | 29245 |
Castel Ritaldi | PG | 12 | 3278 | 32523 |
Montecastrilli | TR | 13 | 5022 | 37545 |
Avigliano Umbro | TR | 15 | 2558 | 40103 |
Spoleto | PG | 16 | 38218 | 78321 |
San Gemini | TR | 16 | 5018 | 83339 |
Gualdo Cattaneo | PG | 17 | 6155 | 89494 |
Montefalco | PG | 17 | 5679 | 95173 |
Collazzone | PG | 17 | 3473 | 98646 |
Monte Castello di Vibio | PG | 18 | 1567 | 100213 |
Fratta Todina | PG | 18 | 1839 | 102052 |
Campello sul Clitunno | PG | 20 | 2442 | 104494 |
Bevagna | PG | 20 | 5081 | 109575 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 1.6
ML 0.9 |
2011-08-16 11:20:23 |
42.762 | 12.549 | 10 | 2014-10-21 12:27:13 |
Bollettino Sismico Italiano INGV | 1272879 |
Field | Value |
---|---|
Time (UTC) | 2011-08-16 11:20:23 ± 0.08 |
Latitude | 42.7620 ± 0.0054 |
Longitude | 12.5490 ± 0.0049 |
Depth (km) | 10 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-SISPICK |
Event type | earthquake |
Origin ID | 1272879 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 612 |
Semi-minor axis of confidence ellipse (meter) | 330 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 191 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 721.1 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 125 |
Number of associated phases, regardless of their use for origin computation | 14 |
Number of defining phases | 11 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.16 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.48024 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.2 |
Num. used stations | |
Type of magnitude | ML |
Reference to an origin | 1272879 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-06 01:08:20 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.1 |
Num. used stations | |
Type of magnitude | Md |
Reference to an origin | 1272879 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-06 01:08:20 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.FDMO.HHN. | 2011-08-16T11:20:40.22 | 0.6 | undecidable | manual | Sg | 55 | 53.3022 | 0.005 | 50 | |
IV.LNSS.HHZ. | 2011-08-16T11:20:37.78 | 0.6 | undecidable | manual | Sg | 114 | 43.8228 | 0.113 | 50 | |
IV.MGAB.HHZ. | 2011-08-16T11:20:36.52 | 0.3 | undecidable | manual | Sg | 295 | 39.2274 | 0.067 | 76 | |
IV.CESI.HHN. | 2011-08-16T11:20:36.56 | 0.3 | undecidable | manual | Sg | 47 | 39.5271 | 0.023 | 77 | |
IV.FDMO.HHN. | 2011-08-16T11:20:32.94 | 0.3 | undecidable | manual | Pg | 55 | 53.3022 | -0.085 | 74 | |
IV.ATTE.HHN. | 2011-08-16T11:20:32.78 | 0.3 | undecidable | manual | Pg | 342 | 50.9157 | 0.13 | 74 | |
IV.LNSS.HHZ. | 2011-08-16T11:20:31.49 | 0.3 | undecidable | manual | Pg | 114 | 43.8228 | -0.068 | 76 | |
IV.MGAB.HHZ. | 2011-08-16T11:20:30.71 | 0.1 | undecidable | manual | Pg | 295 | 39.2274 | -0.144 | 100 | |
IV.CESI.HHN. | 2011-08-16T11:20:30.84 | 0.3 | undecidable | manual | Pg | 47 | 39.5271 | -0.062 | 76 | |
IV.CESX.HHZ. | 2011-08-16T11:20:29.92 | 0.3 | undecidable | manual | Sg | 170 | 17.2716 | -0.159 | 78 | |
IV.CESX.HHZ. | 2011-08-16T11:20:27.46 | 0.3 | undecidable | manual | Pg | 170 | 17.2716 | 0.285 | 76 | |
IV.MTGR.SHZ. | 2011-08-16T11:20:22.00 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
CH.BERNI.HHN. | 2011-08-16T11:20:16.07 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.ALJA.HHE. | 2011-08-16T11:20:09.36 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 |