A magnitude ML 1.5 earthquake occured in region: 4 km SW Castelnuovo di Val di Cecina (PI), on
and geographic coordinates (lat, lon) 43.1810, 10.8780 at 9 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 |
---|---|---|---|---|
Castelnuovo di Val di Cecina | PI | 4 | 2231 | 2231 |
Monterotondo Marittimo | GR | 4 | 1371 | 3602 |
Montieri | GR | 13 | 1204 | 4806 |
Monteverdi Marittimo | PI | 13 | 758 | 5564 |
Pomarance | PI | 13 | 5897 | 11461 |
Massa Marittima | GR | 15 | 8375 | 19836 |
Radicondoli | SI | 16 | 914 | 20750 |
Chiusdino | SI | 17 | 1903 | 22653 |
Suvereto | LI | 20 | 3072 | 25725 |
Sassetta | LI | 20 | 514 | 26239 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.5 | 2013-05-22 07:56:13 |
43.1812 | 10.8775 | 9 | 2015-01-20 11:26:04 |
Bollettino Sismico Italiano INGV | 4754511 |
Reviewed Rev100 |
ML 1.2 | 2013-05-22 07:56:14 |
43.1442 | 10.9353 | 8 | 2014-10-21 12:08:56 |
Sala Sismica INGV-Roma | 3574121 |
Field | Value |
---|---|
Time (UTC) | 2013-05-22 07:56:13 ± 0.14 |
Latitude | 43.1812 ± 0.0063 |
Longitude | 10.8775 ± 0.0123 |
Depth (km) | 9 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 4754511 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1149 |
Semi-minor axis of confidence ellipse (meter) | 311 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 121 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1150.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 217 |
Number of associated phases, regardless of their use for origin computation | 8 |
Number of defining phases | 8 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.14 |
Epicentral distance of station closest to the epicenter (degree) | 0.06835 |
Epicentral distance of station farthest from the epicenter (degree) | 0.43437 |
Number of stations at which the event was observed | 4 |
Number of stations from which data was used for origin computation | 4 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | 0.4 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 4754511 |
Agency | INGV |
Autore | Manually reviewed by Franco Mele |
Time of creation (UTC) | 2015-01-15 13:26:27 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.1 |
Num. used stations | 1 |
Type of magnitude | ML |
Reference to an origin | 3574121 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2013-05-22 08:01:21 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.OSSC.HHZ. | 2013-05-22T07:56:29.36 | 0.6 | undecidable | manual | S | 38 | 48.2184 | 50 | -0.06 | 47 |
IV.CASP.HHZ. | 2013-05-22T07:56:27.96 | 0.6 | undecidable | manual | S | 181 | 43.3233 | 50 | -0.15 | 46 |
IV.CASP.HHZ. | 2013-05-22T07:56:22.14 | 0.1 | undecidable | manual | P | 181 | 43.3233 | 50 | 0.15 | 92 |
IV.OSSC.HHZ. | 2013-05-22T07:56:22.66 | 0.1 | undecidable | manual | P | 38 | 48.2184 | 50 | -0.09 | 93 |
IV.FROS.HHZ. | 2013-05-22T07:56:22.14 | 0.6 | undecidable | manual | S | 82 | 22.755 | 112 | 0.02 | 49 |
IV.FROS.HHZ. | 2013-05-22T07:56:18.61 | 0.1 | undecidable | manual | P | 82 | 22.755 | 112 | 0.08 | 97 |
IV.TRIF.HHZ. | 2013-05-22T07:56:17.47 | 0.6 | undecidable | manual | S | 165 | 7.5813 | 140 | -0.25 | 48 |
IV.TRIF.HHZ. | 2013-05-22T07:56:16.06 | 0.1 | positive | manual | P | 165 | 7.5813 | 140 | 0.07 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.CASP.HHN. | ML:1.2 | 0.000044999999999999996 | 0.88 | AML | other | m | 2013-05-22T07:56:28.30 |
IV.CASP.HHE. | ML:1.2 | 0.00005405 | 1.58 | AML | other | m | 2013-05-22T07:56:29.98 |
IV.TRIF.HHE. | ML:1.8 | 0.00103 | 1.54 | AML | other | m | 2013-05-22T07:56:18.57 |
IV.TRIF.HHN. | ML:1.8 | 0.001002 | 1.26 | AML | other | m | 2013-05-22T07:56:19.57 |