A magnitude ML 1.4 earthquake occured in region: 5 km W Premilcuore (FC), on
and geographic coordinates (lat, lon) 43.9560, 11.7190 at 11 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 |
---|---|---|---|---|
Premilcuore | FC | 5 | 799 | 799 |
San Godenzo | FI | 9 | 1167 | 1966 |
Portico e San Benedetto | FC | 9 | 756 | 2722 |
Tredozio | FC | 14 | 1212 | 3934 |
Santa Sofia | FC | 15 | 4136 | 8070 |
Rocca San Casciano | FC | 15 | 1910 | 9980 |
Marradi | FI | 16 | 3139 | 13119 |
Londa | FI | 16 | 1840 | 14959 |
Galeata | FC | 16 | 2516 | 17475 |
Dicomano | FI | 17 | 5515 | 22990 |
Pratovecchio Stia | AR | 19 | 5845 | 28835 |
Civitella di Romagna | FC | 19 | 3786 | 32621 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.4 | 2021-08-22 19:01:38 |
43.9565 | 11.7187 | 11 | 2021-08-22 19:09:21 |
Sala Sismica INGV-Roma | 94512471 |
Field | Value |
---|---|
Time (UTC) | 2021-08-22 19:01:38 ± 0.05 |
Latitude | 43.9565 ± 0.0027 |
Longitude | 11.7187 ± 0.0062 |
Depth (km) | 11 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 94512471 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 485 |
Semi-minor axis of confidence ellipse (meter) | 294 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 74 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 480.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 112 |
Number of associated phases, regardless of their use for origin computation | 17 |
Number of defining phases | 14 |
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) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.37682 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 1.4 |
Uncertainty | 0.3 |
Num. used stations | 16 |
Type of magnitude | ML |
Reference to an origin | 94512471 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-08-22 19:09:21 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
TV.SF04.EHZ. | 2021-08-22T19:01:57.13 | 3.0 | positive | manual | P | 0.33 | 0 | |||
IV.CRE.HHZ. | 2021-08-22T19:01:52.33 | 0.3 | undecidable | manual | S | 153 | 41.8248 | 50 | -0.22 | 69 |
IV.SEI.HHZ. | 2021-08-22T19:01:49.80 | 0.3 | undecidable | manual | S | 291 | 30.747 | 50 | 0.22 | 71 |
IV.BRIS.HHZ. | 2021-08-22T19:01:49.62 | 0.3 | undecidable | manual | S | 7 | 29.9478 | 50 | 0.23 | 71 |
IV.BOSL.HHZ. | 2021-08-22T19:01:48.83 | 0.3 | undecidable | manual | S | 264 | 27.6501 | 50 | 0.07 | 73 |
IV.CPGN.EHZ. | 2021-08-22T19:01:48.89 | 3.0 | undecidable | manual | S | 0.08 | 0 | |||
IV.ASQU.HHZ. | 2021-08-22T19:01:46.49 | 0.3 | undecidable | manual | S | 162 | 18.5703 | 50 | 0.14 | 73 |
IV.CRE.HHZ. | 2021-08-22T19:01:46.61 | 0.1 | undecidable | manual | P | 153 | 41.8248 | 50 | -0.17 | 93 |
IV.FIR.HHZ. | 2021-08-22T19:01:45.49 | 3.0 | undecidable | manual | P | -1.52 | 0 | |||
IV.LMD.HHZ. | 2021-08-22T19:01:44.66 | 0.3 | undecidable | manual | S | 356 | 13.4754 | 129 | -0.25 | 73 |
IV.BOSL.HHZ. | 2021-08-22T19:01:44.66 | 0.1 | undecidable | manual | P | 264 | 27.6501 | 50 | 0.07 | 98 |
IV.SFI.EHZ. | 2021-08-22T19:01:44.64 | 0.3 | undecidable | manual | S | 119 | 11.7771 | 133 | 0.18 | 73 |
IV.SEI.HHZ. | 2021-08-22T19:01:44.81 | 0.1 | undecidable | manual | P | 291 | 30.747 | 50 | -0.25 | 94 |
IV.BRIS.HHZ. | 2021-08-22T19:01:44.97 | 0.1 | undecidable | manual | P | 7 | 29.9478 | 50 | 0.02 | 99 |
IV.ASQU.HHZ. | 2021-08-22T19:01:43.22 | 0.1 | undecidable | manual | P | 162 | 18.5703 | 50 | 0.02 | 100 |
IV.LMD.HHZ. | 2021-08-22T19:01:42.13 | 1.0 | undecidable | manual | P | 356 | 13.4754 | 129 | -0.23 | 24 |
IV.SFI.EHZ. | 2021-08-22T19:01:42.17 | 0.1 | undecidable | manual | P | 119 | 11.7771 | 133 | 0.07 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SFI.HNE. | ML:1.4 | 0.0003115 | 0.08 | AML | other | m | 2021-08-22T19:01:44.72 |
IV.SFI.EHE. | ML:1.5 | 0.00032280789999999997 | 0.0768 | AML | other | m | 2021-08-22T19:01:44.72 |
IV.LMD.HHE. | ML:1.7 | 0.00048505260000000007 | 0.2304 | AML | other | m | 2021-08-22T19:01:44.85 |
IV.LMD.HHN. | ML:2.0 | 0.0009905 | 0.14 | AML | other | m | 2021-08-22T19:01:44.77 |
IV.SFI.HNN. | ML:1.5 | 0.0003532101 | 0.1536 | AML | other | m | 2021-08-22T19:01:44.78 |
IV.SFI.EHN. | ML:1.5 | 0.00034276779999999995 | 0.1408 | AML | other | m | 2021-08-22T19:01:44.79 |
IV.ASQU.HHE. | ML:1.0 | 0.00007165 | 1.24 | AML | other | m | 2021-08-22T19:01:47.77 |
IV.ASQU.HHN. | ML:0.9 | 0.00006055000000000001 | 0.26 | AML | other | m | 2021-08-22T19:01:47.03 |
IV.BRIS.HHE. | ML:1.4 | 0.0001105 | 0.28 | AML | other | m | 2021-08-22T19:01:49.71 |
IV.BRIS.HHN. | ML:1.3 | 0.00009900000000000001 | 1.7 | AML | other | m | 2021-08-22T19:01:50.12 |
IV.CRE.HHE. | ML:0.9 | 0.00002375 | 0.58 | AML | other | m | 2021-08-22T19:01:55.51 |
IV.CRE.HHN. | ML:1.1 | 0.0000382 | 0.28 | AML | other | m | 2021-08-22T19:01:55.89 |
IV.BRIS.HNE. | ML:1.3 | 0.000088735875 | 0.6528 | AML | other | m | 2021-08-22T19:02:00.56 |
IV.BRIS.HNN. | ML:1.5 | 0.00015618505 | 1.216 | AML | other | m | 2021-08-22T19:01:56.56 |
TV.SF04.EHE. | ML:1.2 | 0.000010134189999999998 | 1.3568 | AML | other | m | 2021-08-22T19:02:14.37 |
TV.SF04.EHN. | ML:1.8 | 0.00003898062300000001 | 0.2176 | AML | other | m | 2021-08-22T19:01:59.11 |