A magnitude Md 2.3 earthquake occured in region: 2 km NE Polino (TR), on
and geographic coordinates (lat, lon) 42.6000, 12.8630 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 |
---|---|---|---|---|
Polino | TR | 2 | 233 | 233 |
Ferentillo | TR | 6 | 1913 | 2146 |
Arrone | TR | 8 | 2763 | 4909 |
Montefranco | TR | 8 | 1276 | 6185 |
Morro Reatino | RI | 9 | 373 | 6558 |
Rivodutri | RI | 9 | 1253 | 7811 |
Monteleone di Spoleto | PG | 9 | 599 | 8410 |
Leonessa | RI | 9 | 2435 | 10845 |
Labro | RI | 10 | 374 | 11219 |
Poggio Bustone | RI | 11 | 2055 | 13274 |
Scheggino | PG | 13 | 461 | 13735 |
Colli sul Velino | RI | 13 | 533 | 14268 |
Poggiodomo | PG | 14 | 117 | 14385 |
Cantalice | RI | 15 | 2755 | 17140 |
Sant'Anatolia di Narco | PG | 15 | 564 | 17704 |
Greccio | RI | 18 | 1558 | 19262 |
Cascia | PG | 18 | 3217 | 22479 |
Terni | TR | 18 | 111501 | 133980 |
Spoleto | PG | 18 | 38218 | 172198 |
Vallo di Nera | PG | 19 | 364 | 172562 |
Stroncone | TR | 20 | 4917 | 177479 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.3 | 1991-01-10 20:15:59 |
42.6 | 12.863 | 5 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 133929 |
Field | Value |
---|---|
Time (UTC) | 1991-01-10 20:15:59 ± 0.13 |
Latitude | 42.6000 ± 0.0064 |
Longitude | 12.8630 ± 0.0144 |
Depth (km) | 5 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 133929 |
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) | 1374.7 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 129 |
Number of associated phases, regardless of their use for origin computation | 12 |
Number of defining phases | 12 |
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) | 0.00227 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01020 |
Number of stations at which the event was observed | 6 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 2.3 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 133929 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 19:04:51 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.SDI.Z. | 1991-01-10T20:16:38.28 | 10.0 | undecidable | manual | SN | 141 | 1.1322 | -0.38 | 0.4 | |
--.ARV.Z. | 1991-01-10T20:16:31.71 | 10.0 | undecidable | manual | SG | 3 | 0.8991 | 0.09 | 0.8 | |
--.CP9.Z. | 1991-01-10T20:16:27.80 | 10.0 | undecidable | manual | SG? | 174 | 0.7326 | 0.55 | 0 | |
--.SDI.Z. | 1991-01-10T20:16:22.84 | 10.0 | undecidable | manual | PN | 141 | 1.1322 | 0.58 | 0.8 | |
--.ARV.Z. | 1991-01-10T20:16:17.81 | 10.0 | undecidable | manual | PG | 3 | 0.8991 | -0.38 | 1.3 | |
--.ASS.Z. | 1991-01-10T20:16:17.95 | 10.0 | undecidable | manual | SG | 341 | 0.4884 | -0.41 | 0.6 | |
--.AQU.Z. | 1991-01-10T20:16:17.18 | 10.0 | undecidable | manual | SG | 121 | 0.4551 | -0.55 | 0.4 | |
--.CP9.Z. | 1991-01-10T20:16:15.90 | 10.0 | undecidable | manual | PG | 174 | 0.7326 | 0.64 | 0.9 | |
--.ASS.Z. | 1991-01-10T20:16:11.40 | 10.0 | undecidable | manual | PG | 341 | 0.4884 | 0.5 | 1.3 | |
--.AQU.Z. | 1991-01-10T20:16:10.10 | 10.0 | undecidable | manual | PG | 121 | 0.4551 | -0.08 | 2.3 | |
--.MNS.Z. | 1991-01-10T20:16:09.76 | 10.0 | undecidable | manual | SG | 211 | 0.2553 | -0.04 | 0.9 | |
--.MNS.Z. | 1991-01-10T20:16:05.15 | 10.0 | undecidable | manual | PG | 211 | 0.2553 | -0.45 | 1.2 |