A magnitude Md 2.3 earthquake occured in region: 6 km SE Monteverdi Marittimo (PI), on
and geographic coordinates (lat, lon) 43.1440, 10.7740 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 |
---|---|---|---|---|
Monteverdi Marittimo | PI | 6 | 758 | 758 |
Monterotondo Marittimo | GR | 7 | 1371 | 2129 |
Suvereto | LI | 10 | 3072 | 5201 |
Sassetta | LI | 11 | 514 | 5715 |
Castelnuovo di Val di Cecina | PI | 13 | 2231 | 7946 |
Castagneto Carducci | LI | 13 | 9010 | 16956 |
Massa Marittima | GR | 14 | 8375 | 25331 |
Campiglia Marittima | LI | 16 | 13218 | 38549 |
Pomarance | PI | 19 | 5897 | 44446 |
San Vincenzo | LI | 20 | 6911 | 51357 |
Montieri | GR | 20 | 1204 | 52561 |
Bibbona | LI | 20 | 3175 | 55736 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.3
ML-VAX 2.0 |
1991-09-07 00:07:16 |
43.144 | 10.774 | 10 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 148919 |
Field | Value |
---|---|
Time (UTC) | 1991-09-07 00:07:16 ± 0.21 |
Latitude | 43.1440 ± 0.0113 |
Longitude | 10.7740 ± 0.0291 |
Depth (km) | 10 ± 3 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 148919 |
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) | 2670.3 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 183 |
Number of associated phases, regardless of their use for origin computation | 11 |
Number of defining phases | 11 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.2 |
Epicentral distance of station closest to the epicenter (degree) | 0.00542 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00971 |
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 | 2.3 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 148919 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 19:18:59 |
Field | Value |
---|---|
Value | 2.0 |
Uncertainty | |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 148919 |
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 |
---|---|---|---|---|---|---|---|---|---|---|
--.SFI.Z. | 1991-09-07T00:07:52.63 | 10.0 | undecidable | manual | SN | 45 | 1.0767 | -0.28 | 0.4 | |
--.CRE.Z. | 1991-09-07T00:07:49.58 | 10.0 | undecidable | manual | SG | 60 | 0.9657 | -0.33 | 0.4 | |
--.BDI.Z. | 1991-09-07T00:07:47.89 | 10.0 | undecidable | manual | SG | 351 | 0.9213 | -0.32 | 0.4 | |
--.MAO.Z. | 1991-09-07T00:07:42.50 | 10.0 | undecidable | manual | SG | 158 | 0.777 | -0.98 | 0 | |
--.MME.Z. | 1991-09-07T00:07:37.62 | 10.0 | undecidable | manual | PN | 356 | 1.0434 | 0.58 | 0.5 | |
--.SFI.Z. | 1991-09-07T00:07:37.63 | 10.0 | undecidable | manual | PN | 45 | 1.0767 | 0.08 | 1.3 | |
--.PII.Z. | 1991-09-07T00:07:36.76 | 10.0 | undecidable | manual | SG | 342 | 0.5994 | -1.12 | 0 | |
--.CRE.Z. | 1991-09-07T00:07:36.12 | 10.0 | undecidable | manual | PG | 60 | 0.9657 | 0.3 | 1.1 | |
--.BDI.Z. | 1991-09-07T00:07:34.77 | 10.0 | negative | manual | PG | 351 | 0.9213 | -0.07 | 2.8 | |
--.MAO.Z. | 1991-09-07T00:07:32.18 | 10.0 | positive | manual | PG | 158 | 0.777 | 0.07 | 2.9 | |
--.PII.Z. | 1991-09-07T00:07:29.15 | 10.0 | undecidable | manual | PG | 342 | 0.5994 | 0.28 | 1.2 |