A magnitude ML 1.1 earthquake occured in region: 6 km W Pietralunga (PG), on
and geographic coordinates (lat, lon) 43.4500, 12.3610 at 6 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 | 6 | 2111 | 2111 |
Montone | PG | 10 | 1680 | 3791 |
CittĂ di Castello | PG | 10 | 39913 | 43704 |
Apecchio | PU | 13 | 1882 | 45586 |
Umbertide | PG | 16 | 16681 | 62267 |
Monte Santa Maria Tiberina | PG | 16 | 1183 | 63450 |
San Giustino | PG | 19 | 11297 | 74747 |
Piobbico | PU | 20 | 2029 | 76776 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2021-09-16 21:56:43 |
43.4495 | 12.3608 | 6 | 2021-09-16 22:09:01 |
Sala Sismica INGV-Roma | 95524201 |
Field | Value |
---|---|
Time (UTC) | 2021-09-16 21:56:43 ± 0.11 |
Latitude | 43.4495 ± 0.0036 |
Longitude | 12.3608 ± 0.0037 |
Depth (km) | 6 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 95524201 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 360 |
Semi-minor axis of confidence ellipse (meter) | 144 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 20 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 360.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 151 |
Number of associated phases, regardless of their use for origin computation | 14 |
Number of defining phases | 9 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.11 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.11691 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.5 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 95524201 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-09-16 22:09:01 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.OFFI.HHZ. | 2021-09-16T21:57:17.94 | 3.0 | undecidable | manual | Sg | 0.39 | 0 | |||
IV.FIR.HHZ. | 2021-09-16T21:57:12.01 | 3.0 | undecidable | manual | Sg | -0.22 | 0 | |||
IV.FDMO.HHZ. | 2021-09-16T21:57:03.02 | 3.0 | undecidable | manual | Sg | -2.28 | 0 | |||
IV.TERO.HHZ. | 2021-09-16T21:56:58.20 | 3.0 | undecidable | manual | P | -5.2 | 0 | |||
IV.BADI.EHZ. | 2021-09-16T21:56:48.17 | 0.3 | undecidable | manual | S | 305 | 11.4774 | 117 | 0.1 | 73 |
IV.APEC.HHZ. | 2021-09-16T21:56:48.62 | 0.3 | undecidable | manual | S | 21 | 12.9759 | 115 | 0.08 | 73 |
IV.ATPC.HNZ. | 2021-09-16T21:56:47.27 | 0.3 | undecidable | manual | S | 66 | 8.4804 | 125 | 0.1 | 74 |
IV.BADI.EHZ. | 2021-09-16T21:56:46.10 | 0.1 | undecidable | manual | P | 305 | 11.4774 | 117 | -0.07 | 98 |
IV.APEC.HHZ. | 2021-09-16T21:56:46.35 | 0.1 | undecidable | manual | P | 21 | 12.9759 | 115 | -0.09 | 98 |
IV.ATPC.HNZ. | 2021-09-16T21:56:45.64 | 0.1 | undecidable | manual | P | 66 | 8.4804 | 125 | -0.01 | 100 |
IV.ATPI.EHZ. | 2021-09-16T21:56:45.89 | 0.1 | undecidable | manual | S | 88 | 3.2967 | 151 | -0.06 | 100 |
IV.ATVO.HHZ. | 2021-09-16T21:56:45.77 | 0.3 | undecidable | manual | P | 154 | 8.3805 | 126 | 0.14 | 73 |
IV.MURB.HNZ. | 2021-09-16T21:56:45.83 | 3.0 | undecidable | manual | Pn | -0.78 | 0 | |||
IV.ATPI.EHZ. | 2021-09-16T21:56:44.87 | 0.1 | undecidable | manual | P | 88 | 3.2967 | 151 | -0.08 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.BADI.EHN. | ML:0.5 | 0.00004635 | 0.12 | AML | other | m | 2021-09-16T21:56:48.30 |
IV.BADI.EHE. | ML:0.7 | 0.00007670000000000001 | 0.14 | AML | other | m | 2021-09-16T21:56:48.42 |
IV.MURB.HNN. | ML:1.4 | 0.00016316656900000002 | 0.64 | AML | other | m | 2021-09-16T21:56:52.19 |
IV.MURB.HNE. | ML:1.7 | 0.00034819565000000004 | 0.6144 | AML | other | m | 2021-09-16T21:56:50.93 |