A magnitude ML 1.3 earthquake occured in region: 5 km W Portico e San Benedetto (FC), on
and geographic coordinates (lat, lon) 44.0090, 11.7210 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 |
---|---|---|---|---|
Portico e San Benedetto | FC | 5 | 756 | 756 |
Premilcuore | FC | 6 | 799 | 1555 |
Tredozio | FC | 8 | 1212 | 2767 |
Rocca San Casciano | FC | 11 | 1910 | 4677 |
Marradi | FI | 11 | 3139 | 7816 |
San Godenzo | FI | 12 | 1167 | 8983 |
Galeata | FC | 15 | 2516 | 11499 |
Santa Sofia | FC | 17 | 4136 | 15635 |
Civitella di Romagna | FC | 17 | 3786 | 19421 |
Modigliana | FC | 18 | 4560 | 23981 |
Palazzuolo sul Senio | FI | 18 | 1154 | 25135 |
Dovadola | FC | 18 | 1653 | 26788 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.3 | 2021-08-29 10:59:20 |
44.0088 | 11.7213 | 8 | 2021-08-29 11:07:05 |
Sala Sismica INGV-Roma | 94782521 |
Field | Value |
---|---|
Time (UTC) | 2021-08-29 10:59:20 ± 0.19 |
Latitude | 44.0088 ± 0.0036 |
Longitude | 11.7213 ± 0.0088 |
Depth (km) | 8 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 94782521 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 638 |
Semi-minor axis of confidence ellipse (meter) | 341 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 264 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 640.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 130 |
Number of associated phases, regardless of their use for origin computation | 14 |
Number of defining phases | 13 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.28 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.27339 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.4 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 94782521 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-08-29 11:07:05 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CSNT.HHZ. | 2021-08-29T10:59:34.05 | 3.0 | undecidable | manual | P | 0.01 | 0 | |||
IV.ASQU.HHZ. | 2021-08-29T10:59:29.08 | 0.1 | undecidable | manual | S | 167 | 24.1536 | 108 | -0.07 | 97 |
IV.RUFI.EHZ. | 2021-08-29T10:59:29.66 | 0.1 | undecidable | manual | S | 222 | 25.4523 | 107 | 0.09 | 97 |
IV.BRIS.HHZ. | 2021-08-29T10:59:29.50 | 0.1 | undecidable | manual | S | 9 | 24.1536 | 108 | 0.33 | 92 |
IV.BOSL.HHZ. | 2021-08-29T10:59:27.22 | 0.3 | undecidable | manual | P | 253 | 29.0487 | 105 | 0.86 | 57 |
IV.SEI.HHZ. | 2021-08-29T10:59:26.12 | 0.1 | undecidable | manual | P | 280 | 29.3484 | 105 | -0.3 | 92 |
IV.SFI.EHZ. | 2021-08-29T10:59:26.40 | 0.1 | undecidable | manual | S | 139 | 15.2736 | 118 | 0.09 | 98 |
IV.VISG.HHZ. | 2021-08-29T10:59:26.36 | 0.1 | undecidable | manual | P | 311 | 30.3474 | 105 | -0.26 | 92 |
IV.BRIS.HHZ. | 2021-08-29T10:59:25.38 | 0.1 | undecidable | manual | P | 9 | 24.1536 | 108 | -0.05 | 98 |
IV.ASQU.HHZ. | 2021-08-29T10:59:25.27 | 0.1 | undecidable | manual | P | 167 | 24.1536 | 108 | -0.15 | 96 |
IV.RUFI.EHZ. | 2021-08-29T10:59:25.65 | 0.1 | undecidable | manual | P | 222 | 25.4523 | 107 | -0.01 | 98 |
IV.LMD.HHZ. | 2021-08-29T10:59:24.08 | 0.1 | undecidable | manual | S | 352 | 7.6812 | 136 | -0.1 | 99 |
IV.SFI.EHZ. | 2021-08-29T10:59:23.75 | 0.1 | undecidable | manual | P | 139 | 15.2736 | 118 | -0.03 | 99 |
IV.LMD.HHZ. | 2021-08-29T10:59:22.48 | 0.1 | undecidable | manual | P | 352 | 7.6812 | 136 | -0.07 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SFI.EHE. | ML:0.9 | 0.00008005000000000001 | 0.86 | AML | other | m | 2021-08-29T10:59:26.45 |
IV.SFI.EHN. | ML:1.1 | 0.00011449999999999999 | 0.54 | AML | other | m | 2021-08-29T10:59:26.50 |
IV.LMD.HHE. | ML:1.6 | 0.0007251611 | 0.3392 | AML | other | m | 2021-08-29T10:59:24.26 |
IV.LMD.HHN. | ML:1.8 | 0.0009742397499999999 | 0.16 | AML | other | m | 2021-08-29T10:59:24.17 |