A magnitude Md 2.5 earthquake occured in region: 6 km NW Molinella (BO), on
and geographic coordinates (lat, lon) 44.6670, 11.6300 at 13 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 |
---|---|---|---|---|
Molinella | BO | 6 | 15797 | 15797 |
Baricella | BO | 8 | 6951 | 22748 |
Malalbergo | BO | 10 | 8943 | 31691 |
Minerbio | BO | 12 | 8793 | 40484 |
Voghiera | FE | 14 | 3777 | 44261 |
Portomaggiore | FE | 14 | 11841 | 56102 |
Poggio Renatico | FE | 16 | 9852 | 65954 |
Budrio | BO | 16 | 18412 | 84366 |
Bentivoglio | BO | 17 | 5469 | 89835 |
Argenta | FE | 17 | 21851 | 111686 |
Galliera | BO | 18 | 5439 | 117125 |
San Pietro in Casale | BO | 18 | 12202 | 129327 |
Ferrara | FE | 19 | 133155 | 262482 |
Granarolo dell'Emilia | BO | 19 | 11910 | 274392 |
Masi Torello | FE | 19 | 2341 | 276733 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.5 | 1987-04-24 20:56:45 |
44.667 | 11.63 | 13 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 45599 |
Field | Value |
---|---|
Time (UTC) | 1987-04-24 20:56:45 ± 0.687 |
Latitude | 44.6670 ± 0.0287 |
Longitude | 11.6300 ± 0.1068 |
Depth (km) | 13 ± 4 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 45599 |
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) | 9028.2 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 325 |
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) | 0.2 |
Epicentral distance of station closest to the epicenter (degree) | 0.00712 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01587 |
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 | 2.5 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 45599 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:44:53 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.ASS.Z. | 1987-04-24T20:57:38.20 | 10.0 | undecidable | manual | SN | 155 | 1.7649 | 0.63 | 0.1 | |
--.CRE.Z. | 1987-04-24T20:57:20.50 | 10.0 | undecidable | manual | SN | 167 | 1.0656 | -0.59 | 0.2 | |
--.ASS.Z. | 1987-04-24T20:57:15.20 | 10.0 | undecidable | manual | PN | 155 | 1.7649 | -0.41 | 0.8 | |
--.PGD.Z. | 1987-04-24T20:57:13.00 | 10.0 | undecidable | manual | SG | 175 | 0.7881 | -0.04 | 0.8 | |
--.ARV.Z. | 1987-04-24T20:57:12.00 | 10.0 | undecidable | manual | PN | 140 | 1.4874 | 0 | 1.9 | |
--.CRE.Z. | 1987-04-24T20:57:06.50 | 10.0 | undecidable | manual | PN | 167 | 1.0656 | 0.39 | 1.1 | |
--.PGD.Z. | 1987-04-24T20:57:01.50 | 10.0 | undecidable | manual | PG | 175 | 0.7881 | 0.04 | 2.1 |