A magnitude Md 1.9 earthquake occured in region: 3 km S Sansepolcro (AR), on
and geographic coordinates (lat, lon) 43.5430, 12.1390 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 |
---|---|---|---|---|
Sansepolcro | AR | 3 | 15884 | 15884 |
San Giustino | PG | 3 | 11297 | 27181 |
Citerna | PG | 5 | 3531 | 30712 |
Anghiari | AR | 7 | 5638 | 36350 |
Monterchi | AR | 7 | 1757 | 38107 |
Monte Santa Maria Tiberina | PG | 12 | 1183 | 39290 |
CittĂ di Castello | PG | 12 | 39913 | 79203 |
Pieve Santo Stefano | AR | 16 | 3183 | 82386 |
Caprese Michelangelo | AR | 17 | 1426 | 83812 |
Borgo Pace | PU | 18 | 606 | 84418 |
Badia Tedalda | AR | 19 | 1087 | 85505 |
Mercatello sul Metauro | PU | 20 | 1378 | 86883 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 1.9 | 1990-05-08 22:55:04 |
43.543 | 12.139 | 5 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 117709 |
Field | Value |
---|---|
Time (UTC) | 1990-05-08 22:55:04 ± 0.163 |
Latitude | 43.5430 ± 0.0126 |
Longitude | 12.1390 ± 0.0107 |
Depth (km) | 5 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 117709 |
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) | 1644.9 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 205 |
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) | 0.00138 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00526 |
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 | 3 |
Type of magnitude | Md |
Reference to an origin | 117709 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 18:49:20 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.ARV.Z. | 1990-05-08T22:55:25.50 | 10.0 | undecidable | manual | SG | 93 | 0.5883 | -0.41 | 0.2 | |
--.PGD.Z. | 1990-05-08T22:55:21.50 | 10.0 | undecidable | manual | SG | 317 | 0.444 | -0.05 | 0.8 | |
--.SFI.Z. | 1990-05-08T22:55:20.50 | 10.0 | undecidable | manual | SG | 329 | 0.4107 | 0.04 | 0.9 | |
--.ARV.Z. | 1990-05-08T22:55:17.00 | 10.0 | undecidable | manual | PG | 93 | 0.5883 | 0.24 | 1.2 | |
--.PGD.Z. | 1990-05-08T22:55:13.80 | 10.0 | undecidable | manual | PG | 317 | 0.444 | -0.45 | 0.5 | |
--.SFI.Z. | 1990-05-08T22:55:13.86 | 10.0 | undecidable | manual | PG | 329 | 0.4107 | 0.24 | 1.4 | |
--.CRE.Z. | 1990-05-08T22:55:10.50 | 10.0 | undecidable | manual | SG | 299 | 0.1554 | -0.04 | 0.9 | |
--.CRE.Z. | 1990-05-08T22:55:08.00 | 10.0 | undecidable | manual | PG | 299 | 0.1554 | 0.11 | 2 |