A magnitude Md 2.0 earthquake occured in region: 4 km S Bolognola (MC), on
and geographic coordinates (lat, lon) 42.9620, 13.2330 at 20 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 |
---|---|---|---|---|
Bolognola | MC | 4 | 142 | 142 |
Ussita | MC | 8 | 444 | 586 |
Acquacanina | MC | 9 | 121 | 707 |
Montefortino | FM | 9 | 1178 | 1885 |
Castelsantangelo sul Nera | MC | 10 | 281 | 2166 |
Sarnano | MC | 10 | 3264 | 5430 |
Montemonaco | AP | 10 | 604 | 6034 |
Amandola | FM | 10 | 3629 | 9663 |
Fiastra | MC | 10 | 559 | 10222 |
Visso | MC | 12 | 1107 | 11329 |
Fiordimonte | MC | 14 | 202 | 11531 |
Gualdo | MC | 15 | 815 | 12346 |
Comunanza | AP | 15 | 3166 | 15512 |
Montegallo | AP | 16 | 523 | 16035 |
Pievebovigliana | MC | 17 | 866 | 16901 |
Cessapalombo | MC | 17 | 512 | 17413 |
Pieve Torina | MC | 17 | 1458 | 18871 |
San Ginesio | MC | 18 | 3498 | 22369 |
Smerillo | FM | 18 | 365 | 22734 |
Preci | PG | 18 | 724 | 23458 |
Monte San Martino | MC | 19 | 765 | 24223 |
Montefalcone Appennino | FM | 19 | 424 | 24647 |
Penna San Giovanni | MC | 19 | 1108 | 25755 |
Monte Cavallo | MC | 19 | 145 | 25900 |
Camporotondo di Fiastrone | MC | 19 | 563 | 26463 |
Caldarola | MC | 20 | 1823 | 28286 |
Palmiano | AP | 20 | 196 | 28482 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.0
ML-VAX 1.7 |
1991-07-20 09:19:07 |
42.962 | 13.233 | 20 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 145889 |
Field | Value |
---|---|
Time (UTC) | 1991-07-20 09:19:07 ± 0.339 |
Latitude | 42.9620 ± 0.0200 |
Longitude | 13.2330 ± 0.0238 |
Depth (km) | 20 ± 3 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 145889 |
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) | 2945.8 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 142 |
Number of associated phases, regardless of their use for origin computation | 10 |
Number of defining phases | 10 |
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) | 0.00016 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00518 |
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 | 2.0 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 145889 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 19:16:11 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | |
Num. used stations | 1 |
Type of magnitude | ML |
Reference to an origin | 145889 |
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 |
---|---|---|---|---|---|---|---|---|---|---|
--.ARV.Z. | 1991-07-20T09:19:28.50 | 10.0 | undecidable | manual | SG | 338 | 0.5772 | 0.24 | 0.6 | |
--.ASS.Z. | 1991-07-20T09:19:23.39 | 10.0 | undecidable | manual | SG | 283 | 0.4329 | -0.48 | 0.5 | |
--.ARV.Z. | 1991-07-20T09:19:20.50 | 10.0 | undecidable | manual | PG | 338 | 0.5772 | 1 | 0.4 | |
--.ALP.Z. | 1991-07-20T09:19:19.73 | 10.0 | undecidable | manual | SG | 126 | 0.2997 | -0.16 | 0.9 | |
--.CIO.Z. | 1991-07-20T09:19:17.70 | 10.0 | undecidable | manual | SG | 344 | 0.2331 | -1.03 | 0.2 | |
--.ASS.Z. | 1991-07-20T09:19:16.81 | 10.0 | undecidable | manual | PG | 283 | 0.4329 | -0.16 | 1.8 | |
--.ALP.Z. | 1991-07-20T09:19:14.37 | 10.0 | undecidable | manual | PG | 126 | 0.2997 | -0.3 | 2 | |
--.RMF.Z. | 1991-07-20T09:19:14.19 | 10.0 | undecidable | manual | SG | 246 | 0.0222 | 0.27 | 0.8 | |
--.CIO.Z. | 1991-07-20T09:19:13.50 | 10.0 | undecidable | manual | PG | 344 | 0.2331 | -0.59 | 1.4 | |
--.RMF.Z. | 1991-07-20T09:19:11.80 | 10.0 | undecidable | manual | PG | 246 | 0.0222 | 0.57 | 1.4 |