A magnitude ML 1.4 (controlled explosion) earthquake occured in region: Costa Toscana settentrionale (Massa Carrara, Lucca, Pisa), on
and geographic coordinates (lat, lon) 43.9400, 9.8800 at 0 km depth.
The earthquake was located by: Bollettino Sismico Italiano INGV.
Event type: controlled explosion.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 |
---|---|---|---|---|
Portovenere | SP | 13 | 3630 | 3630 |
Ameglia | SP | 15 | 4365 | 7995 |
Lerici | SP | 16 | 10228 | 18223 |
La Spezia | SP | 19 | 93959 | 112182 |
Arcola | SP | 20 | 10607 | 122789 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.4 | 2016-05-10 10:08:42 |
43.9397 | 9.8802 | 1 | 2016-11-08 11:48:46 |
Bollettino Sismico Italiano INGV | 25288421 |
Reviewed Rev100 |
Md 1.1
ML 1.5 |
2016-05-10 10:08:43 |
43.9648 | 9.9068 | 8 | 2016-05-10 11:31:10 |
Sala Sismica INGV-Roma | 24990431 |
Field | Value |
---|---|
Time (UTC) | 2016-05-10 10:08:42 ± 0.24 |
Latitude | 43.9397 ± 0.0126 |
Longitude | 9.8802 ± 0.0225 |
Depth (km) | 1 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | controlled explosion |
Origin ID | 25288421 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1780 |
Semi-minor axis of confidence ellipse (meter) | 1380 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 258 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1780.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 146 |
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) | 0.39 |
Epicentral distance of station closest to the epicenter (degree) | 0.11152 |
Epicentral distance of station farthest from the epicenter (degree) | 0.56747 |
Number of stations at which the event was observed | 7 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 1.4 |
Uncertainty | 0.1 |
Num. used stations | 1 |
Type of magnitude | ML |
Reference to an origin | 25288421 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2016-07-29 14:05:08 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | 0.1 |
Num. used stations | 1 |
Type of magnitude | ML |
Reference to an origin | 24990431 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2016-05-10 11:31:10 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.0 |
Num. used stations | 1 |
Type of magnitude | Md |
Reference to an origin | 24990431 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2016-05-10 11:31:10 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.GROG.HHZ. | 2016-05-10T10:08:54.26 | 0.3 | undecidable | manual | P | 179 | 56.9985 | 91 | 0.03 | 72 |
GU.GRAM.HHZ. | 2016-05-10T10:08:54.73 | 0.6 | undecidable | manual | P | 13 | 62.9925 | 50 | -0.56 | 42 |
GU.MAIM.HHZ. | 2016-05-10T10:08:53.24 | 1.0 | undecidable | manual | P | 93 | 48.9177 | 91 | 0.62 | 21 |
IV.MSSA.HHZ. | 2016-05-10T10:08:52.69 | 0.1 | undecidable | manual | P | 325 | 50.8158 | 91 | -0.3 | 92 |
MN.VLC.HHE. | 2016-05-10T10:08:51.95 | 0.3 | undecidable | manual | P | 59 | 47.1195 | 91 | -0.31 | 69 |
GU.EQUI.HHE. | 2016-05-10T10:08:49.51 | 0.1 | undecidable | manual | P | 41 | 33.2445 | 91 | 0.04 | 100 |
IV.PLMA.HHZ. | 2016-05-10T10:08:45.86 | 0.1 | positive | manual | P | 350 | 12.3765 | 92 | 0.56 | 92 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.PLMA.HHE. | ML:1.4 | 0.000361 | 0.8 | AML | other | m | 2016-05-10T10:08:56.97 |
IV.PLMA.HHN. | ML:1.5 | 0.000438 | 0.96 | AML | other | m | 2016-05-10T10:09:13.51 |