A magnitude Md 2.3 earthquake occured in region: 2 km E Montieri (GR), on
and geographic coordinates (lat, lon) 43.1220, 11.0430 at 86 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 |
---|---|---|---|---|
Montieri | GR | 2 | 1204 | 1204 |
Chiusdino | SI | 5 | 1903 | 3107 |
Monticiano | SI | 11 | 1571 | 4678 |
Castelnuovo di Val di Cecina | PI | 15 | 2231 | 6909 |
Massa Marittima | GR | 15 | 8375 | 15284 |
Monterotondo Marittimo | GR | 15 | 1371 | 16655 |
Radicondoli | SI | 16 | 914 | 17569 |
Roccastrada | GR | 16 | 9199 | 26768 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.3
ML-VAX 1.5 |
1988-10-18 13:22:05 |
43.122 | 11.043 | 86 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 79109 |
Field | Value |
---|---|
Time (UTC) | 1988-10-18 13:22:05 ± 0.594 |
Latitude | 43.1220 ± 0.0129 |
Longitude | 11.0430 ± 0.0394 |
Depth (km) | 86 ± 7 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 79109 |
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) | 3504.6 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 167 |
Number of associated phases, regardless of their use for origin computation | 5 |
Number of defining phases | 5 |
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) | 0.00631 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00890 |
Number of stations at which the event was observed | 3 |
Number of stations from which data was used for origin computation | 3 |
Field | Value |
---|---|
Value | 2.3 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 79109 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 18:14:26 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | ML |
Reference to an origin | 79109 |
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. | 1988-10-18T13:22:37.69 | 10.0 | undecidable | manual | S | 32 | 0.888 | 0.33 | 0.3 | |
--.MAO.Z. | 1988-10-18T13:22:33.53 | 10.0 | undecidable | manual | S | 173 | 0.6993 | -0.33 | 0.3 | |
--.BDI.Z. | 1988-10-18T13:22:24.95 | 10.0 | undecidable | manual | P | 341 | 0.9879 | 0 | 1.9 | |
--.PGD.Z. | 1988-10-18T13:22:23.64 | 10.0 | undecidable | manual | P | 32 | 0.888 | -0.22 | 1.2 | |
--.MAO.Z. | 1988-10-18T13:22:22.70 | 10.0 | undecidable | manual | P | 173 | 0.6993 | 0.23 | 1.3 |