A magnitude ML 0.8 earthquake occured in region: 6 km SW Tredozio (FC), on
and geographic coordinates (lat, lon) 44.0410, 11.6930 at 8 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 |
---|---|---|---|---|
Tredozio | FC | 6 | 1212 | 1212 |
Portico e San Benedetto | FC | 7 | 756 | 1968 |
Marradi | FI | 8 | 3139 | 5107 |
Premilcuore | FC | 10 | 799 | 5906 |
Rocca San Casciano | FC | 12 | 1910 | 7816 |
San Godenzo | FI | 14 | 1167 | 8983 |
Palazzuolo sul Senio | FI | 14 | 1154 | 10137 |
Modigliana | FC | 15 | 4560 | 14697 |
Dovadola | FC | 18 | 1653 | 16350 |
Galeata | FC | 18 | 2516 | 18866 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 0.8 | 2020-07-14 20:20:02 |
44.0412 | 11.6933 | 8 | 2020-11-19 12:37:03 |
Bollettino Sismico Italiano INGV | 83337401 |
Reviewed Rev100 |
ML 0.8 | 2020-07-14 20:20:02 |
44.0407 | 11.6932 | 8 | 2020-07-14 20:27:49 |
Sala Sismica INGV-Roma | 81036521 |
Field | Value |
---|---|
Time (UTC) | 2020-07-14 20:20:02 ± 0.16 |
Latitude | 44.0412 ± 0.0036 |
Longitude | 11.6933 ± 0.0050 |
Depth (km) | 8 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 83337401 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 375 |
Semi-minor axis of confidence ellipse (meter) | 294 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 251 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 370.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 126 |
Number of associated phases, regardless of their use for origin computation | 9 |
Number of defining phases | 9 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.17 |
Epicentral distance of station closest to the epicenter (degree) | 0.03777 |
Epicentral distance of station farthest from the epicenter (degree) | 0.23742 |
Number of stations at which the event was observed | 5 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 0.8 |
Uncertainty | 0.4 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 81036521 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-07-14 20:27:49 |
Field | Value |
---|---|
Value | 0.8 |
Uncertainty | 0.4 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 83337401 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2020-09-28 16:20:58 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.SFI.EHZ. | 2020-07-14T20:20:10.22 | 0.3 | undecidable | manual | S | 141 | 19.4694 | 113 | 0.02 | 73 |
IV.RONT.HHZ. | 2020-07-14T20:20:10.83 | 0.1 | undecidable | manual | S | 256 | 21.4674 | 111 | 0 | 97 |
IV.RINC.HHZ. | 2020-07-14T20:20:09.77 | 0.1 | undecidable | manual | S | 202 | 18.4704 | 114 | -0.11 | 96 |
IV.VISG.HHZ. | 2020-07-14T20:20:08.18 | 0.1 | undecidable | manual | P | 309 | 26.3514 | 107 | -0.22 | 92 |
IV.SFI.EHZ. | 2020-07-14T20:20:07.09 | 0.1 | undecidable | manual | P | 141 | 19.4694 | 113 | -0.01 | 98 |
IV.RONT.HHZ. | 2020-07-14T20:20:07.76 | 0.1 | undecidable | manual | P | 256 | 21.4674 | 111 | 0.29 | 92 |
IV.RINC.HHZ. | 2020-07-14T20:20:06.91 | 0.1 | undecidable | manual | P | 202 | 18.4704 | 114 | -0.01 | 98 |
IV.LMD.HHZ. | 2020-07-14T20:20:06.02 | 0.1 | undecidable | manual | S | 15 | 4.1958 | 153 | -0.01 | 100 |
IV.LMD.HHZ. | 2020-07-14T20:20:04.78 | 0.1 | undecidable | manual | P | 15 | 4.1958 | 153 | 0.08 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SFI.EHN. | ML:0.4 | 0.0000205 | 0.52 | AML | other | m | 2020-07-14T20:20:10.36 |
IV.SFI.EHE. | ML:0.5 | 0.00002289 | 0.88 | AML | other | m | 2020-07-14T20:20:10.87 |
IV.RONT.HHE. | ML:1.1 | 0.00009070000000000001 | 0.94 | AML | other | m | 2020-07-14T20:20:11.96 |
IV.RONT.HHN. | ML:1.0 | 0.00007485 | 0.88 | AML | other | m | 2020-07-14T20:20:11.53 |