A magnitude ML 0.9 earthquake occured in region: 9 km N Pratovecchio Stia (AR), on
and geographic coordinates (lat, lon) 43.8750, 11.7260 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 |
---|---|---|---|---|
Pratovecchio Stia | AR | 9 | 5845 | 5845 |
San Godenzo | FI | 10 | 1167 | 7012 |
Premilcuore | FC | 12 | 799 | 7811 |
Londa | FI | 13 | 1840 | 9651 |
Castel San Niccolò | AR | 15 | 2707 | 12358 |
Dicomano | FI | 16 | 5515 | 17873 |
Santa Sofia | FC | 17 | 4136 | 22009 |
Poppi | AR | 17 | 6160 | 28169 |
Montemignaio | AR | 17 | 566 | 28735 |
Portico e San Benedetto | FC | 18 | 756 | 29491 |
Rufina | FI | 20 | 7346 | 36837 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 0.9 | 2021-02-17 19:28:10 |
43.8747 | 11.7262 | 9 | 2021-07-12 16:55:00 |
Bollettino Sismico Italiano INGV | 87775251 |
Reviewed Rev100 |
ML 0.8 | 2021-02-17 19:28:10 |
43.8827 | 11.7238 | 7 | 2021-02-17 19:38:38 |
Sala Sismica INGV-Roma | 87252111 |
Field | Value |
---|---|
Time (UTC) | 2021-02-17 19:28:10 ± 0.08 |
Latitude | 43.8747 ± 0.0045 |
Longitude | 11.7262 ± 0.0050 |
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 | 87775251 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 497 |
Semi-minor axis of confidence ellipse (meter) | 176 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 212 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 500.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 107 |
Number of associated phases, regardless of their use for origin computation | 18 |
Number of defining phases | 18 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.23 |
Epicentral distance of station closest to the epicenter (degree) | 0.08633 |
Epicentral distance of station farthest from the epicenter (degree) | 0.35074 |
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 | 0.9 |
Uncertainty | 0.1 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 87775251 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-03-05 10:52:22 |
Field | Value |
---|---|
Value | 0.8 |
Uncertainty | 0.1 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 87252111 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-02-17 19:38:38 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.BRIS.HNZ. | 2021-02-17T19:28:23.93 | 0.6 | undecidable | manual | S | 5 | 38.9277 | 50 | 0.21 | 46 |
IV.CRE.HHZ. | 2021-02-17T19:28:22.08 | 0.6 | undecidable | manual | S | 147 | 33.6441 | 50 | -0.22 | 46 |
IV.SEI.HHZ. | 2021-02-17T19:28:22.68 | 0.6 | undecidable | manual | S | 304 | 35.4423 | 50 | -0.11 | 47 |
IV.RONT.HHZ. | 2021-02-17T19:28:20.54 | 0.3 | undecidable | manual | S | 300 | 26.8509 | 108 | 0.33 | 68 |
IV.BRIS.HNZ. | 2021-02-17T19:28:18.39 | 0.6 | undecidable | manual | P | 5 | 38.9277 | 50 | 0.31 | 45 |
IV.LMD.HHZ. | 2021-02-17T19:28:18.68 | 0.6 | undecidable | manual | S | 356 | 22.5552 | 112 | -0.12 | 48 |
IV.SEI.HHZ. | 2021-02-17T19:28:17.72 | 0.6 | undecidable | manual | P | 304 | 35.4423 | 50 | 0.17 | 46 |
IV.RONT.HHZ. | 2021-02-17T19:28:16.10 | 0.3 | undecidable | manual | P | 300 | 26.8509 | 108 | 0.05 | 72 |
IV.RUFI.EHZ. | 2021-02-17T19:28:16.96 | 0.3 | undecidable | manual | S | 257 | 17.7711 | 117 | -0.33 | 69 |
IV.CRE.HHZ. | 2021-02-17T19:28:16.97 | 0.1 | undecidable | manual | P | 147 | 33.6441 | 50 | -0.29 | 90 |
IV.LMD.HHZ. | 2021-02-17T19:28:15.12 | 0.3 | undecidable | manual | P | 356 | 22.5552 | 112 | -0.12 | 72 |
IV.ASQU.HHZ. | 2021-02-17T19:28:15.25 | 0.3 | undecidable | manual | S | 150 | 9.9789 | 132 | 0.22 | 72 |
IV.RINC.HHZ. | 2021-02-17T19:28:14.72 | 0.3 | undecidable | manual | S | 278 | 9.5793 | 133 | -0.21 | 72 |
IV.RUFI.EHZ. | 2021-02-17T19:28:14.36 | 0.6 | undecidable | manual | P | 257 | 17.7711 | 117 | -0.01 | 49 |
IV.SFI.EHZ. | 2021-02-17T19:28:14.73 | 0.3 | undecidable | manual | S | 71 | 10.1787 | 131 | -0.36 | 69 |
IV.RINC.HHZ. | 2021-02-17T19:28:13.01 | 0.1 | undecidable | manual | P | 278 | 9.5793 | 133 | 0 | 100 |
IV.SFI.EHZ. | 2021-02-17T19:28:13.08 | 0.3 | undecidable | manual | P | 71 | 10.1787 | 131 | -0.02 | 75 |
IV.ASQU.HHZ. | 2021-02-17T19:28:13.60 | 0.1 | undecidable | manual | P | 150 | 9.9789 | 132 | 0.53 | 89 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SFI.EHN. | ML:0.9 | 0.00011645 | 1.24 | AML | other | m | 2021-02-17T19:28:15.19 |
IV.ASQU.HHE. | ML:0.8 | 0.00008690000000000001 | 0.28 | AML | other | m | 2021-02-17T19:28:15.39 |
IV.ASQU.HHN. | ML:0.8 | 0.00009405 | 0.18 | AML | other | m | 2021-02-17T19:28:15.67 |
IV.SFI.EHE. | ML:0.8 | 0.00008545 | 0.58 | AML | other | m | 2021-02-17T19:28:15.68 |
IV.LMD.HHN. | ML:1.0 | 0.000058450000000000005 | 1.72 | AML | other | m | 2021-02-17T19:28:18.90 |
IV.LMD.HHE. | ML:0.9 | 0.0000547 | 0.14 | AML | other | m | 2021-02-17T19:28:19.11 |