A magnitude Md 2.5 earthquake occured in region: 4 km W Sansepolcro (AR), on
and geographic coordinates (lat, lon) 43.5770, 12.0960 at 18 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 | 4 | 15884 | 15884 |
Anghiari | AR | 5 | 5638 | 21522 |
San Giustino | PG | 7 | 11297 | 32819 |
Citerna | PG | 9 | 3531 | 36350 |
Monterchi | AR | 10 | 1757 | 38107 |
Pieve Santo Stefano | AR | 11 | 3183 | 41290 |
Caprese Michelangelo | AR | 12 | 1426 | 42716 |
Badia Tedalda | AR | 16 | 1087 | 43803 |
Monte Santa Maria Tiberina | PG | 16 | 1183 | 44986 |
CittĂ di Castello | PG | 18 | 39913 | 84899 |
Subbiano | AR | 18 | 6331 | 91230 |
Borgo Pace | PU | 19 | 606 | 91836 |
Chiusi della Verna | AR | 19 | 2023 | 93859 |
Capolona | AR | 19 | 5438 | 99297 |
Chitignano | AR | 20 | 899 | 100196 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.5
ML-VAX 1.7 |
1990-05-09 18:53:52 |
43.577 | 12.096 | 18 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 118139 |
Field | Value |
---|---|
Time (UTC) | 1990-05-09 18:53:52 ± 0.416 |
Latitude | 43.5770 ± 0.0178 |
Longitude | 12.0960 ± 0.0237 |
Depth (km) | 18 ± 4 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 118139 |
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) | 2750.4 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 150 |
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) | 0.3 |
Epicentral distance of station closest to the epicenter (degree) | 0.00097 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00583 |
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 | 2.5 |
Uncertainty | |
Num. used stations | 4 |
Type of magnitude | Md |
Reference to an origin | 118139 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 18:49:41 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | ML |
Reference to an origin | 118139 |
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 |
---|---|---|---|---|---|---|---|---|---|---|
--.ASS.Z. | 1990-05-09T18:54:15.50 | 10.0 | undecidable | manual | SG | 141 | 0.6438 | 0.37 | 0.4 | |
--.ARV.Z. | 1990-05-09T18:54:13.63 | 10.0 | undecidable | manual | SG | 96 | 0.6105 | -0.36 | 0.4 | |
--.RSM.Z. | 1990-05-09T18:54:09.45 | 10.0 | undecidable | manual | SG | 35 | 0.4329 | 1.27 | 0 | |
--.PGD.Z. | 1990-05-09T18:54:07.00 | 10.0 | undecidable | manual | SG | 317 | 0.3996 | -0.16 | 0.6 | |
--.SFI.Z. | 1990-05-09T18:54:06.70 | 10.0 | undecidable | manual | SG | 331 | 0.3663 | -0.16 | 0.6 | |
--.ASS.Z. | 1990-05-09T18:54:06.10 | 10.0 | undecidable | manual | PG | 141 | 0.6438 | 0.63 | 0.5 | |
--.ARV.Z. | 1990-05-09T18:54:03.89 | 10.0 | undecidable | manual | PG | 96 | 0.6105 | -0.83 | 0.3 | |
--.RSM.Z. | 1990-05-09T18:54:01.32 | 10.0 | positive | manual | PG | 35 | 0.4329 | -0.05 | 3.2 | |
--.PGD.Z. | 1990-05-09T18:54:01.50 | 10.0 | undecidable | manual | PG | 317 | 0.3996 | 0.27 | 1.4 | |
--.SFI.Z. | 1990-05-09T18:54:00.18 | 10.0 | undecidable | manual | PG | 331 | 0.3663 | -0.05 | 1.6 | |
--.CRE.Z. | 1990-05-09T18:53:59.50 | 10.0 | undecidable | manual | SG | 292 | 0.111 | 0.5 | 0.4 | |
--.CRE.Z. | 1990-05-09T18:53:55.80 | 10.0 | negative | manual | PG | 292 | 0.111 | -0.27 | 2.7 |