A magnitude Md 1.9 earthquake occured in region: 4 km N Frontone (PU), on
and geographic coordinates (lat, lon) 43.5500, 12.7490 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 | 4 | 1300 | 1300 |
Serra Sant'Abbondio | PU | 7 | 1027 | 2327 |
Pergola | PU | 7 | 6333 | 8660 |
Cagli | PU | 8 | 8731 | 17391 |
Acqualagna | PU | 10 | 4393 | 21784 |
Cantiano | PU | 13 | 2245 | 24029 |
Fratte Rosa | PU | 15 | 966 | 24995 |
Sassoferrato | AN | 15 | 7285 | 32280 |
Fossombrone | PU | 16 | 9575 | 41855 |
Fermignano | PU | 16 | 8596 | 50451 |
Arcevia | AN | 16 | 4612 | 55063 |
San Lorenzo in Campo | PU | 17 | 3414 | 58477 |
Scheggia e Pascelupo | PG | 17 | 1393 | 59870 |
Sant'Ippolito | PU | 18 | 1563 | 61433 |
Castelleone di Suasa | AN | 20 | 1676 | 63109 |
Piobbico | PU | 20 | 2029 | 65138 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 1.9 | 1990-04-04 10:30:18 |
43.55 | 12.749 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 113419 |
Field | Value |
---|---|
Time (UTC) | 1990-04-04 10:30:18 ± 0.378 |
Latitude | 43.5500 ± 0.0172 |
Longitude | 12.7490 ± 0.0173 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 113419 |
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) | 2367.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 281 |
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) | 0.2 |
Epicentral distance of station closest to the epicenter (degree) | 0.00130 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00607 |
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 | 1.9 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 113419 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 18:45:24 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.RM8.Z. | 1990-04-04T10:30:43.20 | 10.0 | undecidable | manual | SG | 150 | 0.6771 | 0.48 | 0.2 | |
--.ASS.Z. | 1990-04-04T10:30:36.27 | 10.0 | undecidable | manual | SG | 188 | 0.4884 | -0.14 | 0.8 | |
--.CIO.Z. | 1990-04-04T10:30:35.39 | 10.0 | undecidable | manual | SG | 141 | 0.444 | 0.13 | 0.8 | |
--.RM8.Z. | 1990-04-04T10:30:32.60 | 10.0 | undecidable | manual | PG | 150 | 0.6771 | -0.4 | 0.7 | |
--.ASS.Z. | 1990-04-04T10:30:29.60 | 10.0 | undecidable | manual | PG | 188 | 0.4884 | 0.14 | 1.9 | |
--.CIO.Z. | 1990-04-04T10:30:28.17 | 10.0 | undecidable | manual | PG | 141 | 0.444 | -0.08 | 2.1 | |
--.ARV.Z. | 1990-04-04T10:30:25.00 | 10.0 | undecidable | manual | SG | 110 | 0.1443 | -0.43 | 0.3 | |
--.ARV.Z. | 1990-04-04T10:30:22.90 | 10.0 | undecidable | manual | PG | 110 | 0.1443 | 0.32 | 1.2 |