A magnitude Md 2.4 earthquake occured in region: 3 km NW Frontone (PU), on
and geographic coordinates (lat, lon) 43.5380, 12.7170 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 |
---|---|---|---|---|
Frontone | PU | 3 | 1300 | 1300 |
Cagli | PU | 6 | 8731 | 10031 |
Serra Sant'Abbondio | PU | 7 | 1027 | 11058 |
Acqualagna | PU | 10 | 4393 | 15451 |
Cantiano | PU | 10 | 2245 | 17696 |
Pergola | PU | 10 | 6333 | 24029 |
Scheggia e Pascelupo | PG | 15 | 1393 | 25422 |
Sassoferrato | AN | 16 | 7285 | 32707 |
Fermignano | PU | 17 | 8596 | 41303 |
Piobbico | PU | 18 | 2029 | 43332 |
Fratte Rosa | PU | 18 | 966 | 44298 |
Fossombrone | PU | 18 | 9575 | 53873 |
Arcevia | AN | 19 | 4612 | 58485 |
Costacciaro | PG | 20 | 1216 | 59701 |
San Lorenzo in Campo | PU | 20 | 3414 | 63115 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.4 | 1991-08-08 06:57:19 |
43.538 | 12.717 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 147129 |
Field | Value |
---|---|
Time (UTC) | 1991-08-08 06:57:19 ± 0.315 |
Latitude | 43.5380 ± 0.0372 |
Longitude | 12.7170 ± 0.0274 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 147129 |
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) | 4684.5 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 162 |
Number of associated phases, regardless of their use for origin computation | 10 |
Number of defining phases | 10 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.6 |
Epicentral distance of station closest to the epicenter (degree) | 0.00146 |
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 | 4 |
Type of magnitude | Md |
Reference to an origin | 147129 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 19:17:19 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.PGD.Z. | 1991-08-08T06:57:48.00 | 10.0 | undecidable | manual | SG | 295 | 0.7881 | 1.59 | 0.1 | |
--.SFI.Z. | 1991-08-08T06:57:44.70 | 10.0 | undecidable | manual | SG | 300 | 0.7215 | 0.46 | 0.6 | |
--.CRE.Z. | 1991-08-08T06:57:39.00 | 10.0 | undecidable | manual | SG | 278 | 0.555 | 0.08 | 0.8 | |
--.ASS.Z. | 1991-08-08T06:57:37.50 | 10.0 | undecidable | manual | SG | 185 | 0.4773 | 1.23 | 0.2 | |
--.PGD.Z. | 1991-08-08T06:57:34.00 | 10.0 | undecidable | manual | PG | 295 | 0.7881 | -0.83 | 0.9 | |
--.SFI.Z. | 1991-08-08T06:57:33.00 | 10.0 | undecidable | manual | PG | 300 | 0.7215 | -0.58 | 1.3 | |
--.CRE.Z. | 1991-08-08T06:57:31.00 | 10.0 | undecidable | manual | PG | 278 | 0.555 | 0.5 | 1.6 | |
--.ASS.Z. | 1991-08-08T06:57:28.00 | 10.0 | undecidable | manual | PG | 185 | 0.4773 | -0.98 | 0.9 | |
--.ARV.Z. | 1991-08-08T06:57:28.00 | 10.0 | undecidable | manual | SG | 103 | 0.1665 | 1.63 | 0.1 | |
--.ARV.Z. | 1991-08-08T06:57:23.00 | 10.0 | positive | manual | PG | 103 | 0.1665 | -0.26 | 3.6 |