A magnitude Md 4.0 earthquake occured in region: 6 km N Sansepolcro (AR), on
and geographic coordinates (lat, lon) 43.63, 12.15 at 4 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 | 7 | 15884 | 15884 |
San Giustino | PG | 9 | 11297 | 27181 |
Badia Tedalda | AR | 9 | 1087 | 28268 |
Pieve Santo Stefano | AR | 10 | 3183 | 31451 |
Anghiari | AR | 12 | 5638 | 37089 |
Borgo Pace | PU | 12 | 606 | 37695 |
Caprese Michelangelo | AR | 13 | 1426 | 39121 |
Citerna | PG | 15 | 3531 | 42652 |
Sestino | AR | 15 | 1355 | 44007 |
Mercatello sul Metauro | PU | 15 | 1378 | 45385 |
Monterchi | AR | 16 | 1757 | 47142 |
Casteldelci | RN | 18 | 407 | 47549 |
Chiusi della Verna | AR | 19 | 2023 | 49572 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 4.0
ML-MEDNET 4.0 |
1997-10-02 21:38:42 |
43.63 | 12.15 | 4 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 287619 |
Field | Value |
---|---|
Time (UTC) | 1997-10-02 21:38:42 ± 0.235 |
Latitude | 43.63 ± 0.01 |
Longitude | 12.15 ± 0.01 |
Depth (km) | 4 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 287619 |
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) | 1831 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 88 |
Number of associated phases, regardless of their use for origin computation | 23 |
Number of defining phases | 23 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.5 |
Epicentral distance of station closest to the epicenter (degree) | 0.0013 |
Epicentral distance of station farthest from the epicenter (degree) | 0.02121 |
Number of stations at which the event was observed | 19 |
Number of stations from which data was used for origin computation | 19 |
Field | Value |
---|---|
Value | 4 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 287619 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 21:31:01 |
Field | Value |
---|---|
Value | 4 |
Uncertainty | |
Num. used stations | |
Type of magnitude | ML |
Reference to an origin | 287619 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2015-04-28 10:37:17 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.VVI.Z. | 1997-10-02T21:39:21.86 | 10.0 | undecidable | manual | PN | 4 | 0.0212 | 0.3 | 0.9 | |
--.SDI.Z. | 1997-10-02T21:39:20.50 | 10.0 | undecidable | manual | PN | 146 | 0.0204 | 0.13 | 1 | |
--.PQ9.Z. | 1997-10-02T21:39:15.48 | 10.0 | undecidable | manual | PN | 149 | 0.0166 | 0.94 | 0.4 | |
--.RDP.Z. | 1997-10-02T21:39:15.96 | 10.0 | undecidable | manual | PN | 167 | 0.0172 | 0.52 | 0.8 | |
--.RMP.Z. | 1997-10-02T21:39:15.50 | 10.0 | undecidable | manual | PN | 167 | 0.0167 | 0.8 | 0.5 | |
--.AQU.Z. | 1997-10-02T21:39:10.99 | 10.0 | undecidable | manual | PN | 143 | 0.0141 | 0.3 | 1.1 | |
--.EB9.Z. | 1997-10-02T21:39:09.99 | 10.0 | undecidable | manual | PN | 302 | 0.0133 | 0.55 | 0.9 | |
--.GU9.Z. | 1997-10-02T21:39:07.70 | 10.0 | undecidable | manual | PN | 303 | 0.012 | 0.22 | 1.3 | |
--.CSNT.Z. | 1997-10-02T21:39:06.32 | 10.0 | undecidable | manual | SG | 256 | 0.0057 | 0.52 | 0.5 | |
--.MNS.Z. | 1997-10-02T21:39:06.66 | 10.0 | undecidable | manual | PN | 162 | 0.0117 | -0.38 | 1.2 | |
--.ZC9.Z. | 1997-10-02T21:39:05.47 | 10.0 | undecidable | manual | PN | 310 | 0.01 | 1.06 | 0.4 | |
--.PII.Z. | 1997-10-02T21:39:04.60 | 10.0 | undecidable | manual | PN | 274 | 0.0106 | -0.74 | 0.8 | |
--.BDI.Z. | 1997-10-02T21:39:04.62 | 10.0 | undecidable | manual | PN | 291 | 0.0108 | -1.02 | 0.4 | |
--.ARV.Z. | 1997-10-02T21:39:03.98 | 10.0 | undecidable | manual | SG | 102 | 0.0053 | -0.15 | 0.6 | |
--.SFI.Z. | 1997-10-02T21:38:56.60 | 10.0 | undecidable | manual | SG | 321 | 0.0032 | 0.74 | 0.3 | |
--.RSM.Z. | 1997-10-02T21:38:56.42 | 10.0 | undecidable | manual | SG | 35 | 0.0033 | -0.17 | 0.6 | |
--.ASS.Z. | 1997-10-02T21:38:55.66 | 10.0 | undecidable | manual | PG | 146 | 0.006 | -0.77 | 0.8 | |
--.CSNT.Z. | 1997-10-02T21:38:55.30 | 10.0 | positive | manual | PG | 256 | 0.0057 | -0.81 | 1.4 | |
--.ARV.Z. | 1997-10-02T21:38:53.76 | 10.0 | undecidable | manual | PG | 102 | 0.0053 | -1.12 | 0.4 | |
--.RSM.Z. | 1997-10-02T21:38:50.79 | 10.0 | positive | manual | PG | 35 | 0.0033 | 0.27 | 2.9 | |
--.PGD.Z. | 1997-10-02T21:38:50.61 | 10.0 | undecidable | manual | PG | 308 | 0.0035 | -0.47 | 1.2 | |
--.SFI.Z. | 1997-10-02T21:38:49.66 | 10.0 | positive | manual | PG | 321 | 0.0032 | -0.45 | 2.5 | |
--.CRE.Z. | 1997-10-02T21:38:46.20 | 10.0 | positive | manual | PG | 266 | 0.0013 | 0.63 | 2 |