A magnitude Md 2.4 earthquake occured in region: 3 km NW Montieri (GR), on
and geographic coordinates (lat, lon) 43.1450, 10.9850 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 |
---|---|---|---|---|
Montieri | GR | 3 | 1204 | 1204 |
Chiusdino | SI | 9 | 1903 | 3107 |
Castelnuovo di Val di Cecina | PI | 9 | 2231 | 5338 |
Monterotondo Marittimo | GR | 10 | 1371 | 6709 |
Massa Marittima | GR | 13 | 8375 | 15084 |
Radicondoli | SI | 14 | 914 | 15998 |
Monticiano | SI | 16 | 1571 | 17569 |
Pomarance | PI | 20 | 5897 | 23466 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.4
ML-VAX 1.8 |
1989-02-18 03:51:54 |
43.145 | 10.985 | 10 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 87219 |
Field | Value |
---|---|
Time (UTC) | 1989-02-18 03:51:54 ± 0.034 |
Latitude | 43.1450 ± 0.0020 |
Longitude | 10.9850 ± 0.0057 |
Depth (km) | 10 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 87219 |
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) | 514.9 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 159 |
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) | 0.1 |
Epicentral distance of station closest to the epicenter (degree) | 0.00599 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00955 |
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 | 2.4 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 87219 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 18:21:52 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | ML |
Reference to an origin | 87219 |
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 |
---|---|---|---|---|---|---|---|---|---|---|
--.BDI.Z. | 1989-02-18T03:52:26.53 | 10.0 | undecidable | manual | SG? | 342 | 0.9546 | -0.25 | 0 | |
--.MAO.Z. | 1989-02-18T03:52:19.68 | 10.0 | undecidable | manual | SG | 169 | 0.7326 | 0 | 0.7 | |
--.PII.Z. | 1989-02-18T03:52:17.22 | 10.0 | undecidable | manual | SG | 329 | 0.666 | -0.13 | 0.3 | |
--.MME.Z. | 1989-02-18T03:52:14.78 | 10.0 | undecidable | manual | PN | 348 | 1.0656 | 0 | 1.4 | |
--.BDI.Z. | 1989-02-18T03:52:13.20 | 10.0 | undecidable | manual | PG | 342 | 0.9546 | 0.06 | 1.3 | |
--.PGD.Z. | 1989-02-18T03:52:11.78 | 10.0 | undecidable | manual | PG | 35 | 0.8991 | -0.15 | 0.5 | |
--.CRE.Z. | 1989-02-18T03:52:11.00 | 10.0 | undecidable | manual | PG | 55 | 0.8436 | 0.12 | 0.8 | |
--.MAO.Z. | 1989-02-18T03:52:08.87 | 10.0 | undecidable | manual | PG | 169 | 0.7326 | 0.01 | 1.6 | |
--.PII.Z. | 1989-02-18T03:52:07.57 | 10.0 | undecidable | manual | PG | 329 | 0.666 | 0.06 | 1.4 |