A magnitude Md 2.3 earthquake occured in region: 3 km NW Varsi (PR), on
and geographic coordinates (lat, lon) 44.6870, 9.8200 at 25 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 |
---|---|---|---|---|
Varsi | PR | 3 | 1230 | 1230 |
Bore | PR | 4 | 749 | 1979 |
Bardi | PR | 9 | 2227 | 4206 |
Pellegrino Parmense | PR | 10 | 1048 | 5254 |
Morfasso | PC | 10 | 1024 | 6278 |
Vernasca | PC | 13 | 2131 | 8409 |
Valmozzola | PR | 14 | 539 | 8948 |
Solignano | PR | 15 | 1773 | 10721 |
Lugagnano Val d'Arda | PC | 15 | 4116 | 14837 |
Varano de' Melegari | PR | 15 | 2676 | 17513 |
Gropparello | PC | 18 | 2293 | 19806 |
Castell'Arquato | PC | 19 | 4713 | 24519 |
Salsomaggiore Terme | PR | 19 | 19831 | 44350 |
Bettola | PC | 20 | 2828 | 47178 |
Farini | PC | 20 | 1290 | 48468 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.3 | 1986-02-28 21:12:49 |
44.687 | 9.82 | 25 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 23309 |
Field | Value |
---|---|
Time (UTC) | 1986-02-28 21:12:49 ± 0.443 |
Latitude | 44.6870 ± 0.0269 |
Longitude | 9.8200 ± 0.0572 |
Depth (km) | 25 ± 3 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 23309 |
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) | 5417.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 138 |
Number of associated phases, regardless of their use for origin computation | 8 |
Number of defining phases | 8 |
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) | 0.00186 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01684 |
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 | 2.3 |
Uncertainty | |
Num. used stations | 1 |
Type of magnitude | Md |
Reference to an origin | 23309 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:25:22 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.CTI.Z. | 1986-02-28T21:13:19.00 | 10.0 | undecidable | manual | PN | 42 | 1.8648 | -0.67 | 0.7 | |
--.GEN.-. | 1986-02-28T21:13:03.90 | 10.0 | undecidable | manual | PN | 246 | 0.6771 | 0.54 | 1.6 | |
--.VEA.-. | 1986-02-28T21:13:02.10 | 10.0 | undecidable | manual | SG | 324 | 0.2442 | 0.88 | 0.5 | |
--.CO9.Z. | 1986-02-28T21:13:00.50 | 10.0 | undecidable | manual | SG | 286 | 0.2664 | -1.45 | 0.2 | |
--.BVT.-. | 1986-02-28T21:12:59.60 | 10.0 | undecidable | manual | SG | 180 | 0.2109 | -0.78 | 0.6 | |
--.VEA.-. | 1986-02-28T21:12:57.20 | 10.0 | undecidable | manual | PG | 324 | 0.2442 | 0.88 | 1.2 | |
--.CO9.Z. | 1986-02-28T21:12:56.00 | 10.0 | undecidable | manual | PG | 286 | 0.2664 | -0.75 | 1.5 | |
--.BVT.-. | 1986-02-28T21:12:56.40 | 10.0 | positive | manual | PG | 180 | 0.2109 | 0.55 | 1.8 |