A magnitude Md 0.5 earthquake occured in region: 8 km W Pietralunga (PG), on
and geographic coordinates (lat, lon) 43.4660, 12.3440 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 |
---|---|---|---|---|
Pietralunga | PG | 8 | 2111 | 2111 |
CittĂ di Castello | PG | 9 | 39913 | 42024 |
Montone | PG | 11 | 1680 | 43704 |
Apecchio | PU | 12 | 1882 | 45586 |
Monte Santa Maria Tiberina | PG | 15 | 1183 | 46769 |
San Giustino | PG | 16 | 11297 | 58066 |
Umbertide | PG | 18 | 16681 | 74747 |
Citerna | PG | 19 | 3531 | 78278 |
Monterchi | AR | 19 | 1757 | 80035 |
Piobbico | PU | 19 | 2029 | 82064 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
Md 0.5 | 2021-02-07 03:32:34 |
43.4662 | 12.3438 | 8 | 2021-02-07 03:38:38 |
Sala Sismica INGV-Roma | 86897391 |
Field | Value |
---|---|
Time (UTC) | 2021-02-07 03:32:34 ± 0.14 |
Latitude | 43.4662 ± 0.0045 |
Longitude | 12.3438 ± 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 | 86897391 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 518 |
Semi-minor axis of confidence ellipse (meter) | 181 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 352 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 520.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 117 |
Number of associated phases, regardless of their use for origin computation | 16 |
Number of defining phases | 16 |
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) | 0.04497 |
Epicentral distance of station farthest from the epicenter (degree) | 0.22393 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 0.5 |
Uncertainty | 0.5 |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 86897391 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-02-07 03:38:38 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.NARO.HHZ. | 2021-02-07T03:32:43.68 | 0.6 | undecidable | manual | S | 50 | 24.8529 | 108 | -0.39 | 45 |
IV.PIEI.HHZ. | 2021-02-07T03:32:41.78 | 0.6 | undecidable | manual | S | 63 | 17.1717 | 115 | 0.2 | 48 |
IV.ATBU.HNE. | 2021-02-07T03:32:41.62 | 0.6 | undecidable | manual | S | 86 | 16.4724 | 116 | 0.26 | 47 |
IV.ATMC.EHE. | 2021-02-07T03:32:40.09 | 0.6 | undecidable | manual | S | 260 | 12.3765 | 123 | -0.01 | 50 |
IV.BADI.EHZ. | 2021-02-07T03:32:39.37 | 0.6 | undecidable | manual | S | 301 | 9.3795 | 131 | 0.11 | 49 |
IV.ATPC.HHE. | 2021-02-07T03:32:39.37 | 0.6 | undecidable | manual | S | 80 | 9.2796 | 131 | 0.13 | 49 |
IV.NARO.HHZ. | 2021-02-07T03:32:39.94 | 0.6 | undecidable | manual | P | 50 | 24.8529 | 108 | -0.29 | 46 |
IV.ATBU.HNE. | 2021-02-07T03:32:38.76 | 0.1 | undecidable | manual | P | 86 | 16.4724 | 116 | 0.09 | 97 |
IV.PIEI.HHZ. | 2021-02-07T03:32:38.75 | 0.6 | negative | manual | P | 63 | 17.1717 | 115 | -0.05 | 49 |
IV.APEC.HHZ. | 2021-02-07T03:32:37.95 | 0.6 | undecidable | manual | P | 31 | 11.877 | 124 | 0.08 | 49 |
IV.ATMC.EHE. | 2021-02-07T03:32:37.91 | 0.1 | undecidable | manual | P | 260 | 12.3765 | 123 | -0.03 | 99 |
IV.ATPI.EHZ. | 2021-02-07T03:32:37.98 | 0.6 | undecidable | manual | S | 110 | 4.995 | 148 | -0.29 | 48 |
IV.TB03.DH2.01 | 2021-02-07T03:32:37.38 | 0.1 | undecidable | manual | P | 143 | 8.9799 | 132 | -0.02 | 100 |
IV.BADI.EHZ. | 2021-02-07T03:32:37.59 | 0.6 | undecidable | manual | P | 301 | 9.3795 | 131 | 0.13 | 49 |
IV.ATPC.HHE. | 2021-02-07T03:32:37.53 | 0.1 | undecidable | manual | P | 80 | 9.2796 | 131 | 0.09 | 99 |
IV.ATPI.EHZ. | 2021-02-07T03:32:36.80 | 0.1 | undecidable | manual | P | 110 | 4.995 | 148 | -0.09 | 99 |