A magnitude Md 2.3 earthquake occured in region: 7 km NE Pontremoli (MS), on
and geographic coordinates (lat, lon) 44.4410, 9.9180 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 |
---|---|---|---|---|
Pontremoli | MS | 8 | 7357 | 7357 |
Berceto | PR | 10 | 2109 | 9466 |
Filattiera | MS | 12 | 2309 | 11775 |
Borgo Val di Taro | PR | 13 | 6999 | 18774 |
Mulazzo | MS | 13 | 2424 | 21198 |
Corniglio | PR | 14 | 1936 | 23134 |
Valmozzola | PR | 15 | 539 | 23673 |
Bagnone | MS | 15 | 1887 | 25560 |
Zeri | MS | 16 | 1094 | 26654 |
Monchio delle Corti | PR | 17 | 933 | 27587 |
Villafranca in Lunigiana | MS | 17 | 4770 | 32357 |
Albareto | PR | 17 | 2156 | 34513 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.3 | 1985-04-21 07:14:23 |
44.441 | 9.918 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 5099 |
Field | Value |
---|---|
Time (UTC) | 1985-04-21 07:14:23 ± 1.325 |
Latitude | 44.4410 ± 0.0443 |
Longitude | 9.9180 ± 0.1412 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 5099 |
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) | 12245.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 247 |
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) | 1 |
Epicentral distance of station closest to the epicenter (degree) | 0.00550 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01813 |
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 | 2.3 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 5099 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:09:36 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.CTI.Z. | 1985-04-21T07:15:24.00 | 10.0 | undecidable | manual | SN | 37 | 2.0091 | 1.8 | 0.2 | |
--.CTI.Z. | 1985-04-21T07:14:56.00 | 10.0 | undecidable | manual | PN | 37 | 2.0091 | -1.51 | 0.7 | |
--.CH1.Z. | 1985-04-21T07:14:54.50 | 10.0 | undecidable | manual | PN | 118 | 1.665 | 1.74 | 0.7 | |
--.PS9.Z. | 1985-04-21T07:14:52.00 | 10.0 | undecidable | manual | SG | 149 | 0.8325 | -0.7 | 0.7 | |
--.BD1.Z. | 1985-04-21T07:14:45.00 | 10.0 | undecidable | manual | SG | 128 | 0.6105 | -0.49 | 0.8 | |
--.PS9.Z. | 1985-04-21T07:14:41.00 | 10.0 | undecidable | manual | PG | 149 | 0.8325 | 0.52 | 2 | |
--.BD1.Z. | 1985-04-21T07:14:35.60 | 10.0 | undecidable | manual | PG | 128 | 0.6105 | -0.72 | 1.8 |