A magnitude Md 2.3 earthquake occured in region: 9 km W Sarsina (FC), on
and geographic coordinates (lat, lon) 43.9450, 12.0400 at 10 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 |
---|---|---|---|---|
Sarsina | FC | 9 | 3446 | 3446 |
Santa Sofia | FC | 11 | 4136 | 7582 |
Civitella di Romagna | FC | 11 | 3786 | 11368 |
Bagno di Romagna | FC | 11 | 6026 | 17394 |
Galeata | FC | 12 | 2516 | 19910 |
Mercato Saraceno | FC | 13 | 6886 | 26796 |
Sant'Agata Feltria | RN | 16 | 2151 | 28947 |
Verghereto | FC | 17 | 1907 | 30854 |
Predappio | FC | 18 | 6346 | 37200 |
Casteldelci | RN | 19 | 407 | 37607 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.3 | 1987-04-02 17:21:55 |
43.945 | 12.04 | 10 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 44069 |
Field | Value |
---|---|
Time (UTC) | 1987-04-02 17:21:55 ± 0.511 |
Latitude | 43.9450 ± 0.0375 |
Longitude | 12.0400 ± 0.0323 |
Depth (km) | 10 ± 6 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 44069 |
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) | 4907.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 101 |
Number of associated phases, regardless of their use for origin computation | 13 |
Number of defining phases | 13 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.7 |
Epicentral distance of station closest to the epicenter (degree) | 0.00121 |
Epicentral distance of station farthest from the epicenter (degree) | 0.02445 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 2.3 |
Uncertainty | |
Num. used stations | 4 |
Type of magnitude | Md |
Reference to an origin | 44069 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:43:33 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.FO1.Z. | 1987-04-02T17:22:40.00 | 10.0 | undecidable | manual | PN | 10 | 2.6973 | 1.31 | 0.4 | |
--.RBL.Z. | 1987-04-02T17:22:39.00 | 10.0 | undecidable | manual | PN | 22 | 2.7084 | 0.05 | 1 | |
--.BDI.Z. | 1987-04-02T17:22:32.00 | 10.0 | undecidable | manual | SN | 276 | 1.0434 | 1.14 | 0.3 | |
--.ARV.Z. | 1987-04-02T17:22:24.00 | 10.0 | undecidable | manual | SG | 123 | 0.777 | 1.05 | 0.4 | |
--.PS9.Z. | 1987-04-02T17:22:16.00 | 10.0 | undecidable | manual | PN | 258 | 1.11 | -0.96 | 1 | |
--.ASS.Z. | 1987-04-02T17:22:15.00 | 10.0 | undecidable | manual | PG | 152 | 0.9768 | -0.05 | 2 | |
--.BDI.Z. | 1987-04-02T17:22:15.00 | 10.0 | undecidable | manual | PN | 276 | 1.0434 | -0.98 | 1.1 | |
--.ARV.Z. | 1987-04-02T17:22:10.00 | 10.0 | undecidable | manual | PG | 123 | 0.777 | -1.41 | 0.6 | |
--.CRE.Z. | 1987-04-02T17:22:09.80 | 10.0 | undecidable | manual | SG | 191 | 0.3219 | 1.6 | 0.2 | |
--.SS9.Z. | 1987-04-02T17:22:03.50 | 10.0 | undecidable | manual | SG | 259 | 0.1332 | 1.51 | 0.2 | |
--.CRE.Z. | 1987-04-02T17:22:03.00 | 10.0 | undecidable | manual | PG | 191 | 0.3219 | 0.1 | 2 | |
--.PGD.Z. | 1987-04-02T17:22:01.00 | 10.0 | undecidable | manual | PG | 253 | 0.2331 | -0.19 | 2 | |
--.SS9.Z. | 1987-04-02T17:21:59.10 | 10.0 | undecidable | manual | PG | 259 | 0.1332 | -0.21 | 1.9 |