A magnitude Md 2.1 earthquake occured in region: 4 km E Terni (TR), on
and geographic coordinates (lat, lon) 42.5690, 12.6960 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 |
---|---|---|---|---|
Terni | TR | 4 | 111501 | 111501 |
Arrone | TR | 6 | 2763 | 114264 |
Montefranco | TR | 7 | 1276 | 115540 |
Stroncone | TR | 8 | 4917 | 120457 |
Ferentillo | TR | 10 | 1913 | 122370 |
Labro | RI | 10 | 374 | 122744 |
Colli sul Velino | RI | 10 | 533 | 123277 |
Morro Reatino | RI | 12 | 373 | 123650 |
Polino | TR | 12 | 233 | 123883 |
San Gemini | TR | 13 | 5018 | 128901 |
Greccio | RI | 14 | 1558 | 130459 |
Rivodutri | RI | 14 | 1253 | 131712 |
Narni | TR | 16 | 19785 | 151497 |
Configni | RI | 17 | 633 | 152130 |
Poggio Bustone | RI | 17 | 2055 | 154185 |
Cottanello | RI | 18 | 563 | 154748 |
Acquasparta | TR | 18 | 4778 | 159526 |
Contigliano | RI | 18 | 3783 | 163309 |
Spoleto | PG | 19 | 38218 | 201527 |
Montecastrilli | TR | 19 | 5022 | 206549 |
Scheggino | PG | 20 | 461 | 207010 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.1 | 1998-11-25 20:37:13 |
42.569 | 12.696 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 355499 |
Field | Value |
---|---|
Time (UTC) | 1998-11-25 20:37:13 ± 0.169 |
Latitude | 42.5690 ± 0.0079 |
Longitude | 12.6960 ± 0.0416 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 355499 |
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) | 3515.4 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 172 |
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) | 0.3 |
Epicentral distance of station closest to the epicenter (degree) | 0.00162 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00631 |
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 | 2.1 |
Uncertainty | |
Num. used stations | 1 |
Type of magnitude | Md |
Reference to an origin | 355499 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 22:33:12 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.SNTG.Z. | 1998-11-25T20:37:38.43 | 10.0 | undecidable | manual | SG | 14 | 0.6993 | 0.03 | 0.7 | |
--.ASS.Z. | 1998-11-25T20:37:31.28 | 10.0 | undecidable | manual | SG | 356 | 0.4884 | -0.24 | 0.7 | |
--.SNTG.Z. | 1998-11-25T20:37:27.56 | 10.0 | undecidable | manual | PG | 14 | 0.6993 | -0.41 | 1.1 | |
--.NRCA.Z. | 1998-11-25T20:37:27.78 | 10.0 | undecidable | manual | SG | 49 | 0.3996 | -0.85 | 0.1 | |
--.ASS.Z. | 1998-11-25T20:37:24.24 | 10.0 | undecidable | manual | PG | 356 | 0.4884 | 0.23 | 1.8 | |
--.NRCA.Z. | 1998-11-25T20:37:23.70 | 10.0 | undecidable | manual | PG | 49 | 0.3996 | 0.73 | 0.6 | |
--.MNS.Z. | 1998-11-25T20:37:21.30 | 10.0 | undecidable | manual | SG | 183 | 0.1776 | -0.28 | 0.7 | |
--.MNS.Z. | 1998-11-25T20:37:18.23 | 10.0 | undecidable | manual | PG | 183 | 0.1776 | -0.04 | 2.2 |