A magnitude Md 2.4 earthquake occured in region: 6 km SE Massa Martana (PG), on
and geographic coordinates (lat, lon) 42.7480, 12.5810 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 | 6 | 3770 | 3770 |
Acquasparta | TR | 7 | 4778 | 8548 |
Giano dell'Umbria | PG | 10 | 3846 | 12394 |
Castel Ritaldi | PG | 11 | 3278 | 15672 |
Spoleto | PG | 13 | 38218 | 53890 |
Montecastrilli | TR | 13 | 5022 | 58912 |
Todi | PG | 15 | 16851 | 75763 |
San Gemini | TR | 15 | 5018 | 80781 |
Avigliano Umbro | TR | 16 | 2558 | 83339 |
Montefalco | PG | 17 | 5679 | 89018 |
Campello sul Clitunno | PG | 18 | 2442 | 91460 |
Gualdo Cattaneo | PG | 18 | 6155 | 97615 |
Trevi | PG | 20 | 8469 | 106084 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.4 | 1985-11-06 21:38:19 |
42.748 | 12.581 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 15349 |
Field | Value |
---|---|
Time (UTC) | 1985-11-06 21:38:19 ± 0.144 |
Latitude | 42.7480 ± 0.0079 |
Longitude | 12.5810 ± 0.0219 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 15349 |
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) | 1991.5 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 170 |
Number of associated phases, regardless of their use for origin computation | 9 |
Number of defining phases | 9 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.2 |
Epicentral distance of station closest to the epicenter (degree) | 0.00283 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00712 |
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 | 2.4 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 15349 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:18:06 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.AR1.Z. | 1985-11-06T21:38:47.50 | 10.0 | undecidable | manual | SG | 19 | 0.7881 | 0.18 | 0.4 | |
--.AQU.Z. | 1985-11-06T21:38:45.00 | 10.0 | undecidable | manual | SG | 122 | 0.7215 | 0.03 | 0.5 | |
--.AR1.Z. | 1985-11-06T21:38:36.00 | 10.0 | undecidable | manual | PG | 19 | 0.7881 | 0.27 | 0.8 | |
--.MNS.Z. | 1985-11-06T21:38:34.00 | 10.0 | undecidable | manual | SG | 168 | 0.3663 | 0.29 | 0.4 | |
--.AQU.Z. | 1985-11-06T21:38:33.50 | 10.0 | undecidable | manual | PG | 122 | 0.7215 | -0.88 | 0.2 | |
--.PRG.Z. | 1985-11-06T21:38:33.50 | 10.0 | undecidable | manual | SG | 339 | 0.3774 | -0.45 | 0.4 | |
--.MNS.Z. | 1985-11-06T21:38:28.00 | 10.0 | undecidable | manual | PG | 168 | 0.3663 | 0.13 | 1.4 | |
--.PRG.Z. | 1985-11-06T21:38:28.00 | 10.0 | undecidable | manual | PG | 339 | 0.3774 | -0.01 | 3.4 | |
--.AS1.Z. | 1985-11-06T21:38:27.00 | 10.0 | undecidable | manual | PG | 9 | 0.3108 | 0.09 | 1.5 |