A magnitude Md 2.4 earthquake occured in region: 3 km NW Castel Guelfo di Bologna (BO), on
and geographic coordinates (lat, lon) 44.4530, 11.6590 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 |
---|---|---|---|---|
Castel Guelfo di Bologna | BO | 3 | 4455 | 4455 |
Medicina | BO | 3 | 16739 | 21194 |
Castel San Pietro Terme | BO | 8 | 20811 | 42005 |
Dozza | BO | 11 | 6652 | 48657 |
Imola | BO | 12 | 69797 | 118454 |
Mordano | BO | 14 | 4760 | 123214 |
Massa Lombarda | RA | 14 | 10653 | 133867 |
Budrio | BO | 14 | 18412 | 152279 |
Ozzano dell'Emilia | BO | 14 | 13596 | 165875 |
Bagnara di Romagna | RA | 15 | 2429 | 168304 |
Conselice | RA | 15 | 9856 | 178160 |
Sant'Agata sul Santerno | RA | 16 | 2862 | 181022 |
Castenaso | BO | 16 | 14925 | 195947 |
Casalfiumanese | BO | 18 | 3438 | 199385 |
Solarolo | RA | 18 | 4488 | 203873 |
Castel Bolognese | RA | 19 | 9554 | 213427 |
Molinella | BO | 19 | 15797 | 229224 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.4
ML-VAX 2.3 |
1991-08-15 17:39:53 |
44.453 | 11.659 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 147439 |
Field | Value |
---|---|
Time (UTC) | 1991-08-15 17:39:53 ± 0.354 |
Latitude | 44.4530 ± 0.0187 |
Longitude | 11.6590 ± 0.0327 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 147439 |
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) | 3329.3 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 165 |
Number of associated phases, regardless of their use for origin computation | 12 |
Number of defining phases | 12 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.6 |
Epicentral distance of station closest to the epicenter (degree) | 0.00502 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01433 |
Number of stations at which the event was observed | 6 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 2.4 |
Uncertainty | |
Num. used stations | 6 |
Type of magnitude | Md |
Reference to an origin | 147439 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 19:17:37 |
Field | Value |
---|---|
Value | 2.3 |
Uncertainty | |
Num. used stations | 1 |
Type of magnitude | ML |
Reference to an origin | 147439 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2015-04-28 13:07:13 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.CTI.Z. | 1991-08-15T17:40:41.50 | 10.0 | undecidable | manual | SN | 359 | 1.5873 | -0.63 | 0.4 | |
--.PII.Z. | 1991-08-15T17:40:29.00 | 10.0 | undecidable | manual | SN | 228 | 1.0878 | -1.26 | 0.2 | |
--.CRE.Z. | 1991-08-15T17:40:24.00 | 10.0 | undecidable | manual | SG | 165 | 0.8547 | 0.79 | 0.5 | |
--.CTI.Z. | 1991-08-15T17:40:22.50 | 10.0 | undecidable | manual | PN | 359 | 1.5873 | 0.82 | 0.8 | |
--.MME.Z. | 1991-08-15T17:40:20.00 | 10.0 | undecidable | manual | SG | 249 | 0.7326 | 0.81 | 0.5 | |
--.PGD.Z. | 1991-08-15T17:40:15.50 | 10.0 | undecidable | manual | SG | 175 | 0.5772 | 1.27 | 0.2 | |
--.SFI.Z. | 1991-08-15T17:40:14.30 | 10.0 | undecidable | manual | SG | 166 | 0.555 | 0.25 | 0.9 | |
--.PII.Z. | 1991-08-15T17:40:14.00 | 10.0 | undecidable | manual | PN | 228 | 1.0878 | -0.82 | 1 | |
--.CRE.Z. | 1991-08-15T17:40:10.25 | 10.0 | undecidable | manual | PG | 165 | 0.8547 | -0.5 | 1.8 | |
--.MME.Z. | 1991-08-15T17:40:08.74 | 10.0 | undecidable | manual | PG | 249 | 0.7326 | 0.3 | 2.1 | |
--.PGD.Z. | 1991-08-15T17:40:05.44 | 10.0 | undecidable | manual | PG | 175 | 0.5772 | -0.13 | 2.2 | |
--.SFI.Z. | 1991-08-15T17:40:04.63 | 10.0 | undecidable | manual | PG | 166 | 0.555 | -0.68 | 1.4 |