A magnitude Md 2.1 earthquake occured in region: 2 km W Arcidosso (GR), on
and geographic coordinates (lat, lon) 42.8700, 11.5210 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 |
---|---|---|---|---|
Arcidosso | GR | 2 | 4285 | 4285 |
Castel del Piano | GR | 3 | 4690 | 8975 |
Santa Fiora | GR | 7 | 2622 | 11597 |
Seggiano | GR | 7 | 961 | 12558 |
Roccalbegna | GR | 10 | 1044 | 13602 |
Cinigiano | GR | 11 | 2618 | 16220 |
Abbadia San Salvatore | SI | 13 | 6444 | 22664 |
Piancastagnaio | SI | 14 | 4230 | 26894 |
Semproniano | GR | 16 | 1059 | 27953 |
Castiglione d'Orcia | SI | 17 | 2346 | 30299 |
Castell'Azzara | GR | 18 | 1476 | 31775 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.1 | 2013-05-25 19:27:22 |
42.87 | 11.5213 | 10 | 2015-01-20 11:26:04 |
Bollettino Sismico Italiano INGV | 5500301 |
Reviewed Rev100 |
Md 1.9 | 2013-05-25 19:27:22 |
42.8538 | 11.5148 | 10 | 2014-10-21 12:08:56 |
Sala Sismica INGV-Roma | 3592051 |
Field | Value |
---|---|
Time (UTC) | 2013-05-25 19:27:22 ± 0.12 |
Latitude | 42.8700 ± 0.0099 |
Longitude | 11.5213 ± 0.0086 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 5500301 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1120 |
Semi-minor axis of confidence ellipse (meter) | 720 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 349 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1120.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 119 |
Number of associated phases, regardless of their use for origin computation | 12 |
Number of defining phases | 12 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.29 |
Epicentral distance of station closest to the epicenter (degree) | 0.28509 |
Epicentral distance of station farthest from the epicenter (degree) | 0.82378 |
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 | 1.9 |
Uncertainty | 0.1 |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 3592051 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2013-05-25 20:29:00 |
Field | Value |
---|---|
Value | 2.1 |
Uncertainty | 0.2 |
Num. used stations | 5 |
Type of magnitude | Md |
Reference to an origin | 5500301 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2014-02-10 11:18:05 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CSNT.HHZ. | 2013-05-25T19:27:44.51 | 0.6 | undecidable | manual | S | 344 | 69.4749 | 50 | 0.97 | 46 |
IV.CAFI.HHZ. | 2013-05-25T19:27:40.99 | 0.6 | undecidable | manual | S | 35 | 62.3931 | 50 | -0.65 | 54 |
IV.CASP.HHE. | 2013-05-25T19:27:39.27 | 0.6 | undecidable | manual | S | 261 | 54.1014 | 50 | -0.16 | 63 |
IV.ATVO.HHZ. | 2013-05-25T19:27:38.27 | 0.6 | undecidable | manual | P | 51 | 91.4418 | 50 | 0.33 | 56 |
IV.MGAB.HHZ. | 2013-05-25T19:27:38.22 | 0.6 | undecidable | manual | S | 84 | 48.2184 | 50 | 0.35 | 61 |
IV.CSNT.HHZ. | 2013-05-25T19:27:34.15 | 0.3 | undecidable | manual | P | 344 | 69.4749 | 50 | -0.41 | 87 |
IV.SACS.HHZ. | 2013-05-25T19:27:33.42 | 0.6 | undecidable | manual | S | 94 | 31.6461 | 50 | -0.02 | 67 |
IV.CAFI.HHZ. | 2013-05-25T19:27:33.29 | 0.3 | undecidable | manual | P | 35 | 62.3931 | 50 | -0.18 | 92 |
IV.MAON.HHZ. | 2013-05-25T19:27:32.76 | 0.3 | undecidable | manual | P | 213 | 58.3971 | 50 | -0.1 | 94 |
IV.CASP.HHE. | 2013-05-25T19:27:32.39 | 0.3 | undecidable | manual | P | 261 | 54.1014 | 50 | 0.2 | 93 |
IV.MGAB.HHZ. | 2013-05-25T19:27:31.28 | 0.3 | undecidable | manual | P | 84 | 48.2184 | 50 | 0 | 98 |
IV.SACS.HHZ. | 2013-05-25T19:27:28.78 | 0.3 | undecidable | manual | P | 94 | 31.6461 | 50 | 0.05 | 100 |