A magnitude Md 2.5 earthquake occured in region: 5 km SW Serra San Quirico (AN), on
and geographic coordinates (lat, lon) 43.4110, 12.9920 at 6 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 |
---|---|---|---|---|
Serra San Quirico | AN | 5 | 2850 | 2850 |
Genga | AN | 5 | 1797 | 4647 |
Mergo | AN | 8 | 1037 | 5684 |
Poggio San Vicino | MC | 8 | 246 | 5930 |
Cerreto d'Esi | AN | 10 | 3817 | 9747 |
Rosora | AN | 10 | 1985 | 11732 |
Cupramontana | AN | 11 | 4756 | 16488 |
Arcevia | AN | 11 | 4612 | 21100 |
Fabriano | AN | 11 | 31480 | 52580 |
Sassoferrato | AN | 11 | 7285 | 59865 |
Apiro | MC | 12 | 2280 | 62145 |
Castelplanio | AN | 12 | 3540 | 65685 |
Maiolati Spontini | AN | 13 | 6248 | 71933 |
Poggio San Marcello | AN | 13 | 693 | 72626 |
Montecarotto | AN | 14 | 1987 | 74613 |
Monte Roberto | AN | 14 | 3061 | 77674 |
Castelbellino | AN | 15 | 4947 | 82621 |
Serra de' Conti | AN | 15 | 3746 | 86367 |
San Paolo di Jesi | AN | 16 | 933 | 87300 |
Staffolo | AN | 16 | 2253 | 89553 |
Matelica | MC | 17 | 9981 | 99534 |
Esanatoglia | MC | 18 | 2034 | 101568 |
Cingoli | MC | 19 | 10352 | 111920 |
Barbara | AN | 19 | 1368 | 113288 |
Serra Sant'Abbondio | PU | 20 | 1027 | 114315 |
Gagliole | MC | 20 | 620 | 114935 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.5 | 1987-09-23 10:04:51 |
43.411 | 12.992 | 6 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 55949 |
Field | Value |
---|---|
Time (UTC) | 1987-09-23 10:04:51 ± 0.171 |
Latitude | 43.4110 ± 0.0097 |
Longitude | 12.9920 ± 0.0200 |
Depth (km) | 6 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 55949 |
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) | 1939.5 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 122 |
Number of associated phases, regardless of their use for origin computation | 9 |
Number of defining phases | 9 |
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) | 0.00081 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00680 |
Number of stations at which the event was observed | 5 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 2.5 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 55949 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:53:47 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.ALP.Z. | 1987-09-23T10:05:19.68 | 10.0 | undecidable | manual | SG? | 146 | 0.7548 | 1.56 | 0 | |
--.AM8.Z. | 1987-09-23T10:05:09.18 | 10.0 | undecidable | manual | SG | 72 | 0.4551 | 0.53 | 0.3 | |
--.ASS.Z. | 1987-09-23T10:05:08.25 | 10.0 | undecidable | manual | SG | 215 | 0.4218 | 0.72 | 0.1 | |
--.ALP.Z. | 1987-09-23T10:05:06.90 | 10.0 | undecidable | manual | PG? | 146 | 0.7548 | 0.2 | 0.4 | |
--.ASS.Z. | 1987-09-23T10:05:00.19 | 10.0 | undecidable | manual | PG | 215 | 0.4218 | -0.39 | 1 | |
--.AM8.Z. | 1987-09-23T10:05:00.75 | 10.0 | undecidable | manual | PG | 72 | 0.4551 | -0.48 | 0.7 | |
--.CM8.Z. | 1987-09-23T10:04:56.68 | 10.0 | undecidable | manual | PG | 152 | 0.2442 | 0.05 | 3.5 | |
--.ARV.Z. | 1987-09-23T10:04:55.76 | 10.0 | undecidable | manual | SG | 338 | 0.0888 | 0.5 | 0.3 | |
--.ARV.Z. | 1987-09-23T10:04:53.40 | 10.0 | undecidable | manual | PG | 338 | 0.0888 | -0.11 | 1.7 |