A magnitude Md 2.1 earthquake occured in region: 5 km NW Serravalle di Chienti (MC), on
and geographic coordinates (lat, lon) 43.1030, 12.9020 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 |
---|---|---|---|---|
Serravalle di Chienti | MC | 5 | 1070 | 1070 |
Sefro | MC | 6 | 422 | 1492 |
Nocera Umbra | PG | 9 | 5839 | 7331 |
Fiuminata | MC | 10 | 1402 | 8733 |
Pioraco | MC | 11 | 1134 | 9867 |
Muccia | MC | 12 | 915 | 10782 |
Valtopina | PG | 13 | 1398 | 12180 |
Pieve Torina | MC | 14 | 1458 | 13638 |
Camerino | MC | 14 | 6974 | 20612 |
Monte Cavallo | MC | 15 | 145 | 20757 |
Pievebovigliana | MC | 16 | 866 | 21623 |
Fiordimonte | MC | 17 | 202 | 21825 |
Esanatoglia | MC | 17 | 2034 | 23859 |
Gualdo Tadino | PG | 17 | 15208 | 39067 |
Castelraimondo | MC | 18 | 4587 | 43654 |
Matelica | MC | 19 | 9981 | 53635 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.1 | 1997-10-20 08:03:30 |
43.103 | 12.902 | 5 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 303859 |
Field | Value |
---|---|
Time (UTC) | 1997-10-20 08:03:30 ± 0.287 |
Latitude | 43.1030 ± 0.0113 |
Longitude | 12.9020 ± 0.0245 |
Depth (km) | 5 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 303859 |
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) | 2358.1 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 188 |
Number of associated phases, regardless of their use for origin computation | 7 |
Number of defining phases | 7 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.4 |
Epicentral distance of station closest to the epicenter (degree) | 0.00162 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00656 |
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 | 2.1 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 303859 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 21:45:22 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.FB9.Z. | 1997-10-20T08:03:52.00 | 10.0 | undecidable | manual | SG | 351 | 0.5883 | -0.26 | 0.7 | |
--.ARV.Z. | 1997-10-20T08:03:46.17 | 10.0 | undecidable | manual | SG | 4 | 0.3996 | 0.53 | 0.5 | |
--.MNS.Z. | 1997-10-20T08:03:45.53 | 10.0 | undecidable | manual | PG | 192 | 0.7326 | -0.05 | 1.7 | |
--.FB9.Z. | 1997-10-20T08:03:42.00 | 10.0 | undecidable | manual | PG | 351 | 0.5883 | -0.97 | 0.4 | |
--.ARV.Z. | 1997-10-20T08:03:39.67 | 10.0 | undecidable | manual | PG | 4 | 0.3996 | 0.52 | 1.4 | |
--.ASS.Z. | 1997-10-20T08:03:37.35 | 10.0 | undecidable | manual | SG | 257 | 0.1776 | -0.33 | 0.8 | |
--.ASS.Z. | 1997-10-20T08:03:34.99 | 10.0 | undecidable | manual | PG | 257 | 0.1776 | 0.44 | 1.6 |