A magnitude Md 2.4 earthquake occured in region: 3 km W Colli sul Velino (RI), on
and geographic coordinates (lat, lon) 42.5110, 12.7520 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 |
---|---|---|---|---|
Colli sul Velino | RI | 3 | 533 | 533 |
Labro | RI | 4 | 374 | 907 |
Greccio | RI | 6 | 1558 | 2465 |
Morro Reatino | RI | 7 | 373 | 2838 |
Stroncone | TR | 7 | 4917 | 7755 |
Arrone | TR | 8 | 2763 | 10518 |
Rivodutri | RI | 9 | 1253 | 11771 |
Montefranco | TR | 10 | 1276 | 13047 |
Terni | TR | 10 | 111501 | 124548 |
Poggio Bustone | RI | 11 | 2055 | 126603 |
Contigliano | RI | 11 | 3783 | 130386 |
Polino | TR | 11 | 233 | 130619 |
Cottanello | RI | 13 | 563 | 131182 |
Ferentillo | TR | 13 | 1913 | 133095 |
Configni | RI | 13 | 633 | 133728 |
Cantalice | RI | 13 | 2755 | 136483 |
Rieti | RI | 15 | 47698 | 184181 |
Montasola | RI | 15 | 395 | 184576 |
Vacone | RI | 17 | 256 | 184832 |
Leonessa | RI | 18 | 2435 | 187267 |
Calvi dell'Umbria | TR | 19 | 1856 | 189123 |
Narni | TR | 19 | 19785 | 208908 |
Torri in Sabina | RI | 20 | 1256 | 210164 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.4
ML-VAX 1.8 |
1991-08-11 04:53:28 |
42.511 | 12.752 | 10 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 147299 |
Field | Value |
---|---|
Time (UTC) | 1991-08-11 04:53:28 ± 0.738 |
Latitude | 42.5110 ± 0.0096 |
Longitude | 12.7520 ± 0.0776 |
Depth (km) | 10 ± 5 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 147299 |
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) | 6452.8 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 169 |
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) | 0.00494 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01004 |
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 | 147299 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 19:17:29 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | |
Num. used stations | 1 |
Type of magnitude | ML |
Reference to an origin | 147299 |
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 |
---|---|---|---|---|---|---|---|---|---|---|
--.SDI.Z. | 1991-08-11T04:54:07.00 | 10.0 | undecidable | manual | SN | 135 | 1.11 | 1.13 | 0 | |
--.RDP.Z. | 1991-08-11T04:53:55.00 | 10.0 | undecidable | manual | SG | 181 | 0.7437 | 0.21 | 0.7 | |
--.RMP.Z. | 1991-08-11T04:53:53.00 | 10.0 | undecidable | manual | SG | 182 | 0.6882 | -0.11 | 0.8 | |
--.ASS.Z. | 1991-08-11T04:53:49.00 | 10.0 | undecidable | manual | SG | 352 | 0.5439 | 0.5 | 0.5 | |
--.SDI.Z. | 1991-08-11T04:53:49.50 | 10.0 | undecidable | manual | PN | 135 | 1.11 | -0.67 | 0.6 | |
--.RMP.Z. | 1991-08-11T04:53:43.12 | 10.0 | undecidable | manual | PG | 182 | 0.6882 | 0.32 | 1.6 | |
--.RDP.Z. | 1991-08-11T04:53:43.50 | 10.0 | undecidable | manual | PG | 181 | 0.7437 | -0.27 | 1.7 | |
--.ASS.Z. | 1991-08-11T04:53:40.00 | 10.0 | undecidable | manual | PG | 352 | 0.5439 | -0.14 | 2 |