A magnitude ML 0.3 earthquake occured in region: 7 km SW Apecchio (PU), on
and geographic coordinates (lat, lon) 43.5050, 12.3770 at 8 km depth.
The earthquake was located by: Sala Sismica INGV-Roma.
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 |
---|---|---|---|---|
Apecchio | PU | 7 | 1882 | 1882 |
Pietralunga | PG | 8 | 2111 | 3993 |
CittĂ di Castello | PG | 12 | 39913 | 43906 |
Piobbico | PU | 14 | 2029 | 45935 |
Montone | PG | 16 | 1680 | 47615 |
Mercatello sul Metauro | PU | 16 | 1378 | 48993 |
San Giustino | PG | 17 | 11297 | 60290 |
Sant'Angelo in Vado | PU | 18 | 4133 | 64423 |
Borgo Pace | PU | 18 | 606 | 65029 |
Monte Santa Maria Tiberina | PG | 19 | 1183 | 66212 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.3 | 2015-12-20 15:27:07 |
43.5048 | 12.3767 | 8 | 2015-12-20 15:33:51 |
Sala Sismica INGV-Roma | 22761901 |
Field | Value |
---|---|
Time (UTC) | 2015-12-20 15:27:07 ± 0.14 |
Latitude | 43.5048 ± 0.0036 |
Longitude | 12.3767 ± 0.0037 |
Depth (km) | 8 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 22761901 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 375 |
Semi-minor axis of confidence ellipse (meter) | 145 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 10 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 380.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 162 |
Number of associated phases, regardless of their use for origin computation | 9 |
Number of defining phases | 8 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.12 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.12501 |
Number of stations at which the event was observed | 5 |
Number of stations from which data was used for origin computation | 4 |
Field | Value |
---|---|
Value | 0.3 |
Uncertainty | 0.1 |
Num. used stations | 1 |
Type of magnitude | ML |
Reference to an origin | 22761901 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2015-12-20 15:33:51 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.PIEI.HHZ. | 2015-12-20T15:27:13.27 | 0.6 | undecidable | manual | S | 75 | 13.1757 | 120 | 0.22 | 47 |
IV.ATVO.HHZ. | 2015-12-20T15:27:13.35 | 0.3 | undecidable | manual | S | 170 | 13.875 | 119 | 0.11 | 73 |
IV.BADI.EHZ. | 2015-12-20T15:27:12.32 | 0.3 | undecidable | manual | S | 273 | 10.6782 | 125 | 0.01 | 74 |
IV.ATPI.EHZ. | 2015-12-20T15:27:11.09 | 0.3 | undecidable | manual | S | 161 | 6.3936 | 140 | -0.11 | 74 |
IV.PE3.EHZ. | 2015-12-20T15:27:11.52 | 3.0 | undecidable | manual | P | -0.56 | 0 | |||
IV.BADI.EHZ. | 2015-12-20T15:27:10.43 | 0.1 | positive | manual | P | 273 | 10.6782 | 125 | 0.04 | 99 |
IV.PIEI.HHZ. | 2015-12-20T15:27:10.70 | 0.1 | undecidable | manual | P | 75 | 13.1757 | 120 | -0.12 | 97 |
IV.ATVO.HHZ. | 2015-12-20T15:27:10.93 | 0.1 | undecidable | manual | P | 170 | 13.875 | 119 | 0 | 99 |
IV.ATPI.EHZ. | 2015-12-20T15:27:09.74 | 0.1 | undecidable | manual | P | 161 | 6.3936 | 140 | -0.01 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.PIEI.HHE. | ML:0.3 | 0.000024364999999999998 | 0.94 | AML | other | m | 2015-12-20T15:27:13.70 |
IV.PIEI.HHN. | ML:0.2 | 0.0000213 | 1.14 | AML | other | m | 2015-12-20T15:27:14.28 |