A magnitude Md 2.4 earthquake occured in region: 8 km E Acquasparta (TR), on
and geographic coordinates (lat, lon) 42.6760, 12.6460 at 14 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 |
---|---|---|---|---|
Acquasparta | TR | 8 | 4778 | 4778 |
Spoleto | PG | 10 | 38218 | 42996 |
San Gemini | TR | 11 | 5018 | 48014 |
Terni | TR | 13 | 111501 | 159515 |
Montefranco | TR | 13 | 1276 | 160791 |
Montecastrilli | TR | 13 | 5022 | 165813 |
Ferentillo | TR | 13 | 1913 | 167726 |
Arrone | TR | 14 | 2763 | 170489 |
Massa Martana | PG | 15 | 3770 | 174259 |
Scheggino | PG | 16 | 461 | 174720 |
Castel Ritaldi | PG | 17 | 3278 | 177998 |
Sant'Anatolia di Narco | PG | 17 | 564 | 178562 |
Avigliano Umbro | TR | 18 | 2558 | 181120 |
Giano dell'Umbria | PG | 19 | 3846 | 184966 |
Polino | TR | 19 | 233 | 185199 |
Campello sul Clitunno | PG | 19 | 2442 | 187641 |
Stroncone | TR | 20 | 4917 | 192558 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.4 | 1993-10-28 21:47:39 |
42.676 | 12.646 | 14 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 199099 |
Field | Value |
---|---|
Time (UTC) | 1993-10-28 21:47:39 ± 0.371 |
Latitude | 42.6760 ± 0.0166 |
Longitude | 12.6460 ± 0.0941 |
Depth (km) | 14 ± 6 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 199099 |
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) | 7909.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 185 |
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) | 0.4 |
Epicentral distance of station closest to the epicenter (degree) | 0.00259 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01158 |
Number of stations at which the event was observed | 4 |
Number of stations from which data was used for origin computation | 4 |
Field | Value |
---|---|
Value | 2.4 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 199099 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 20:07:07 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.SDI.Z. | 1993-10-28T21:48:20.00 | 10.0 | undecidable | manual | SN | 137 | 1.2876 | -0.17 | 0.4 | |
--.SDI.Z. | 1993-10-28T21:48:03.18 | 10.0 | undecidable | manual | PN | 137 | 1.2876 | 0.13 | 1.1 | |
--.AQU.Z. | 1993-10-28T21:48:00.88 | 10.0 | undecidable | manual | SG | 119 | 0.6327 | -1.36 | 0 | |
--.ASS.Z. | 1993-10-28T21:47:55.90 | 10.0 | undecidable | manual | SG | 0 | 0.3774 | 1.05 | 0.1 | |
--.AQU.Z. | 1993-10-28T21:47:53.59 | 10.0 | undecidable | manual | PG | 119 | 0.6327 | 0.9 | 0.5 | |
--.MNS.Z. | 1993-10-28T21:47:51.80 | 10.0 | undecidable | manual | SG | 175 | 0.2886 | 0.73 | 0.3 | |
--.ASS.Z. | 1993-10-28T21:47:47.57 | 10.0 | positive | manual | PG | 0 | 0.3774 | -0.39 | 2.6 | |
--.MNS.Z. | 1993-10-28T21:47:45.93 | 10.0 | positive | manual | PG | 175 | 0.2886 | -0.31 | 2.8 |