A magnitude Md 2.5 earthquake occured in region: 4 km W Arrone (TR), on
and geographic coordinates (lat, lon) 42.5760, 12.7290 at 5 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 |
---|---|---|---|---|
Arrone | TR | 4 | 2763 | 2763 |
Montefranco | TR | 4 | 1276 | 4039 |
Terni | TR | 7 | 111501 | 115540 |
Ferentillo | TR | 7 | 1913 | 117453 |
Labro | RI | 8 | 374 | 117827 |
Polino | TR | 10 | 233 | 118060 |
Colli sul Velino | RI | 10 | 533 | 118593 |
Morro Reatino | RI | 10 | 373 | 118966 |
Stroncone | TR | 10 | 4917 | 123883 |
Rivodutri | RI | 12 | 1253 | 125136 |
Greccio | RI | 14 | 1558 | 126694 |
Poggio Bustone | RI | 15 | 2055 | 128749 |
San Gemini | TR | 16 | 5018 | 133767 |
Scheggino | PG | 18 | 461 | 134228 |
Spoleto | PG | 18 | 38218 | 172446 |
Configni | RI | 18 | 633 | 173079 |
Contigliano | RI | 19 | 3783 | 176862 |
Narni | TR | 19 | 19785 | 196647 |
Cantalice | RI | 19 | 2755 | 199402 |
Cottanello | RI | 19 | 563 | 199965 |
Leonessa | RI | 19 | 2435 | 202400 |
Sant'Anatolia di Narco | PG | 20 | 564 | 202964 |
Acquasparta | TR | 20 | 4778 | 207742 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.5 | 1999-04-10 23:21:02 |
42.576 | 12.729 | 5 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 362709 |
Field | Value |
---|---|
Time (UTC) | 1999-04-10 23:21:02 ± 0.314 |
Latitude | 42.5760 ± 0.0128 |
Longitude | 12.7290 ± 0.0371 |
Depth (km) | 5 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 362709 |
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) | 3359.2 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 182 |
Number of associated phases, regardless of their use for origin computation | 13 |
Number of defining phases | 13 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.8 |
Epicentral distance of station closest to the epicenter (degree) | 0.00170 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01060 |
Number of stations at which the event was observed | 7 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 2.5 |
Uncertainty | |
Num. used stations | 4 |
Type of magnitude | Md |
Reference to an origin | 362709 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 22:40:12 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.SDI.Z. | 1999-04-10T23:21:43.00 | 10.0 | undecidable | manual | SN | 136 | 1.1766 | 0.22 | 0.9 | |
--.PQ9.Z. | 1999-04-10T23:21:33.83 | 10.0 | undecidable | manual | SG! | 137 | 0.7326 | 4.21 | 0 | |
--.SDI.Z. | 1999-04-10T23:21:27.46 | 10.0 | undecidable | manual | PN | 136 | 1.1766 | 1.54 | 1.1 | |
--.SNTG.Z. | 1999-04-10T23:21:27.63 | 10.0 | undecidable | manual | SG | 12 | 0.6882 | -0.48 | 0.9 | |
--.PQ9.Z. | 1999-04-10T23:21:22.10 | 10.0 | undecidable | manual | PG! | 137 | 0.7326 | 3.69 | 0 | |
--.ASS.Z. | 1999-04-10T23:21:21.30 | 10.0 | undecidable | manual | SG | 353 | 0.4884 | -0.19 | 1.2 | |
--.SNTG.Z. | 1999-04-10T23:21:19.40 | 10.0 | undecidable | manual | PG | 12 | 0.6882 | 1.95 | 1 | |
--.AQU.Z. | 1999-04-10T23:21:18.70 | 10.0 | undecidable | manual | PG! | 113 | 0.5439 | 3.45 | 0 | |
--.NRCA.Z. | 1999-04-10T23:21:17.48 | 10.0 | undecidable | manual | SG | 47 | 0.3774 | -0.22 | 1.2 | |
--.NRCA.Z. | 1999-04-10T23:21:10.59 | 10.0 | undecidable | manual | PG | 47 | 0.3774 | -0.84 | 1.9 | |
--.MNS.Z. | 1999-04-10T23:21:10.60 | 10.0 | undecidable | manual | SG | 190 | 0.1887 | -0.5 | 1 | |
--.ASS.Z. | 1999-04-10T23:21:10.00 | 10.0 | undecidable | manual | PG! | 353 | 0.4884 | -3.63 | 0 | |
--.MNS.Z. | 1999-04-10T23:21:07.00 | 10.0 | undecidable | manual | PG | 190 | 0.1887 | -0.32 | 2.8 |