A magnitude Md 2.3 earthquake occured in region: 2 km W Ortonovo (SP), on
and geographic coordinates (lat, lon) 44.0850, 10.0230 at 5 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 |
---|---|---|---|---|
Ortonovo | SP | 2 | 8277 | 8277 |
Castelnuovo Magra | SP | 2 | 8415 | 16692 |
Ameglia | SP | 6 | 4365 | 21057 |
Fosdinovo | MS | 6 | 4883 | 25940 |
Sarzana | SP | 6 | 21976 | 47916 |
Carrara | MS | 6 | 63133 | 111049 |
Lerici | SP | 9 | 10228 | 121277 |
Arcola | SP | 10 | 10607 | 131884 |
Massa | MS | 11 | 69479 | 201363 |
Santo Stefano di Magra | SP | 12 | 9360 | 210723 |
Vezzano Ligure | SP | 13 | 7356 | 218079 |
Montignoso | MS | 14 | 10323 | 228402 |
Aulla | MS | 15 | 11263 | 239665 |
Portovenere | SP | 15 | 3630 | 243295 |
Podenzana | MS | 15 | 2180 | 245475 |
Bolano | SP | 15 | 7813 | 253288 |
Follo | SP | 16 | 6337 | 259625 |
La Spezia | SP | 16 | 93959 | 353584 |
Minucciano | LU | 18 | 2102 | 355686 |
Casola in Lunigiana | MS | 18 | 988 | 356674 |
Forte dei Marmi | LU | 18 | 7510 | 364184 |
Tresana | MS | 18 | 2044 | 366228 |
Fivizzano | MS | 19 | 7925 | 374153 |
Seravezza | LU | 19 | 13073 | 387226 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.3
ML-VAX 1.9 |
1988-04-12 05:26:49 |
44.085 | 10.023 | 5 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 66389 |
Field | Value |
---|---|
Time (UTC) | 1988-04-12 05:26:49 ± 0.405 |
Latitude | 44.0850 ± 0.0252 |
Longitude | 10.0230 ± 0.0285 |
Depth (km) | 5 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 66389 |
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) | 3609.5 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 194 |
Number of associated phases, regardless of their use for origin computation | 9 |
Number of defining phases | 9 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.3 |
Epicentral distance of station closest to the epicenter (degree) | 0.00364 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01109 |
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 | 3 |
Type of magnitude | Md |
Reference to an origin | 66389 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 18:02:52 |
Field | Value |
---|---|
Value | 1.9 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | ML |
Reference to an origin | 66389 |
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 |
---|---|---|---|---|---|---|---|---|---|---|
--.PGD.Z. | 1988-04-12T05:27:31.50 | 10.0 | undecidable | manual | SN | 99 | 1.2321 | 0.35 | 0.4 | |
--.PGD.Z. | 1988-04-12T05:27:15.50 | 10.0 | undecidable | manual | PN | 99 | 1.2321 | 1.36 | 0.1 | |
--.PII.Z. | 1988-04-12T05:27:08.40 | 10.0 | undecidable | manual | SG | 135 | 0.4995 | -0.75 | 0.2 | |
--.MME.Z. | 1988-04-12T05:27:08.66 | 10.0 | undecidable | manual | SG | 77 | 0.4995 | -0.02 | 0.6 | |
--.BDI.Z. | 1988-04-12T05:27:05.40 | 10.0 | undecidable | manual | SG | 93 | 0.3996 | -0.79 | 0.2 | |
--.BOB.Z. | 1988-04-12T05:27:05.81 | 10.0 | undecidable | manual | PG | 329 | 0.7881 | -0.43 | 1.1 | |
--.PII.Z. | 1988-04-12T05:27:00.84 | 10.0 | undecidable | manual | PG | 135 | 0.4995 | -0.15 | 1.5 | |
--.MME.Z. | 1988-04-12T05:27:00.86 | 10.0 | undecidable | manual | PG | 77 | 0.4995 | 0.14 | 1.6 | |
--.BDI.Z. | 1988-04-12T05:26:59.80 | 10.0 | negative | manual | PG | 93 | 0.3996 | 0.01 | 3.2 |