A magnitude ML 1.7 earthquake occured in region: 3 km SW Premilcuore (FC), on
and geographic coordinates (lat, lon) 43.9550, 11.7460 at 7 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 |
---|---|---|---|---|
Premilcuore | FC | 4 | 799 | 799 |
Portico e San Benedetto | FC | 9 | 756 | 1555 |
San Godenzo | FI | 11 | 1167 | 2722 |
Santa Sofia | FC | 13 | 4136 | 6858 |
Tredozio | FC | 14 | 1212 | 8070 |
Galeata | FC | 14 | 2516 | 10586 |
Rocca San Casciano | FC | 14 | 1910 | 12496 |
Civitella di Romagna | FC | 17 | 3786 | 16282 |
Marradi | FI | 17 | 3139 | 19421 |
Londa | FI | 18 | 1840 | 21261 |
Pratovecchio Stia | AR | 18 | 5845 | 27106 |
Dicomano | FI | 19 | 5515 | 32621 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.7 | 2021-02-10 20:23:56 |
43.9552 | 11.7463 | 7 | 2021-07-12 16:55:06 |
Bollettino Sismico Italiano INGV | 89142951 |
Field | Value |
---|---|
Time (UTC) | 2021-02-10 20:23:56 ± 0.1 |
Latitude | 43.9552 ± 0.0036 |
Longitude | 11.7463 ± 0.0062 |
Depth (km) | 7 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 89142951 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 452 |
Semi-minor axis of confidence ellipse (meter) | 153 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 249 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 450.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 122 |
Number of associated phases, regardless of their use for origin computation | 19 |
Number of defining phases | 19 |
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) | 0.08813 |
Epicentral distance of station farthest from the epicenter (degree) | 0.64571 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.3 |
Num. used stations | 23 |
Type of magnitude | ML |
Reference to an origin | 89142951 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-04-16 10:50:08 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CSNT.HHZ. | 2021-02-10T20:24:17.22 | 0.6 | undecidable | manual | S | 215 | 64.7907 | 50 | 0.05 | 45 |
IV.CAFI.HHZ. | 2021-02-10T20:24:09.48 | 0.6 | undecidable | manual | P | 166 | 71.6727 | 50 | -0.04 | 45 |
IV.CSNT.HHZ. | 2021-02-10T20:24:08.59 | 1.0 | undecidable | manual | P | 215 | 64.7907 | 50 | 0.13 | 22 |
IV.SEI.HHZ. | 2021-02-10T20:24:08.19 | 0.6 | undecidable | manual | S | 290 | 32.8449 | 102 | -0.04 | 48 |
IV.BRIS.HHZ. | 2021-02-10T20:24:07.93 | 0.6 | undecidable | manual | S | 3 | 29.9478 | 104 | 0.69 | 41 |
IV.RONT.HHZ. | 2021-02-10T20:24:06.56 | 0.6 | undecidable | manual | S | 280 | 25.3524 | 106 | 0.85 | 38 |
IV.RUFI.EHZ. | 2021-02-10T20:24:04.68 | 0.6 | undecidable | manual | S | 236 | 22.9548 | 107 | -0.24 | 47 |
IV.ASQU.HHZ. | 2021-02-10T20:24:03.47 | 0.6 | undecidable | manual | S | 169 | 17.871 | 112 | 0.2 | 48 |
IV.SEI.HHZ. | 2021-02-10T20:24:02.80 | 0.3 | undecidable | manual | P | 290 | 32.8449 | 102 | -0.5 | 65 |
IV.RONT.HHZ. | 2021-02-10T20:24:02.03 | 0.3 | undecidable | manual | P | 280 | 25.3524 | 106 | 0.18 | 71 |
IV.BRIS.HHZ. | 2021-02-10T20:24:02.75 | 0.3 | undecidable | manual | P | 3 | 29.9478 | 104 | 0.02 | 73 |
IV.LMD.HHZ. | 2021-02-10T20:24:01.72 | 0.6 | undecidable | manual | S | 347 | 13.875 | 117 | -0.28 | 47 |
IV.RUFI.EHZ. | 2021-02-10T20:24:01.20 | 0.1 | undecidable | manual | P | 236 | 22.9548 | 107 | -0.18 | 95 |
IV.RINC.HHZ. | 2021-02-10T20:24:01.95 | 0.3 | undecidable | manual | S | 236 | 13.4754 | 118 | 0.08 | 74 |
IV.ASQU.HHZ. | 2021-02-10T20:24:00.57 | 0.3 | undecidable | manual | P | 169 | 17.871 | 112 | 0.14 | 72 |
IV.SFI.EHZ. | 2021-02-10T20:24:00.77 | 0.3 | undecidable | manual | S | 125 | 9.7791 | 126 | -0.01 | 75 |
IV.LMD.HHZ. | 2021-02-10T20:23:59.48 | 0.1 | undecidable | manual | P | 347 | 13.875 | 117 | -0.22 | 96 |
IV.RINC.HHZ. | 2021-02-10T20:23:59.60 | 0.3 | undecidable | manual | P | 236 | 13.4754 | 118 | -0.03 | 75 |
IV.SFI.EHZ. | 2021-02-10T20:23:58.96 | 0.1 | undecidable | manual | P | 125 | 9.7791 | 126 | -0.04 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SFI.HNE. | ML:1.9 | 0.001288529 | 0.1664 | AML | other | m | 2021-02-10T20:24:00.88 |
IV.SFI.EHE. | ML:1.9 | 0.00131343385 | 0.1792 | AML | other | m | 2021-02-10T20:24:00.88 |
IV.SFI.HNN. | ML:2.0 | 0.001473904 | 0.1152 | AML | other | m | 2021-02-10T20:24:00.90 |
IV.SFI.EHN. | ML:2.0 | 0.0014528205 | 0.1152 | AML | other | m | 2021-02-10T20:24:00.91 |
IV.LMD.HHN. | ML:1.7 | 0.0006037987 | 0.1792 | AML | other | m | 2021-02-10T20:24:02.05 |
IV.RINC.HHN. | ML:1.7 | 0.0006084506999999999 | 0.4864 | AML | other | m | 2021-02-10T20:24:05.29 |
IV.RINC.HHE. | ML:1.7 | 0.0006337764999999999 | 0.2816 | AML | other | m | 2021-02-10T20:24:02.18 |
IV.LMD.HHE. | ML:1.8 | 0.00070138835 | 0.2816 | AML | other | m | 2021-02-10T20:24:04.65 |
IV.ASQU.HHN. | ML:1.5 | 0.00029898749999999997 | 0.4864 | AML | other | m | 2021-02-10T20:24:06.20 |
IV.ASQU.HHE. | ML:1.4 | 0.00019397265 | 0.2432 | AML | other | m | 2021-02-10T20:24:04.89 |
IV.RONT.HHE. | ML:0.0 | 0.0003742277 | 0.1024 | AML | other | m | 2021-02-10T20:24:07.05 |
IV.RUFI.EHE. | ML:1.4 | 0.00018897549500000003 | 0.2048 | AML | other | m | 2021-02-10T20:24:04.74 |
IV.RUFI.EHN. | ML:1.2 | 0.00010895622000000001 | 0.2432 | AML | other | m | 2021-02-10T20:24:05.88 |
IV.RONT.HHN. | ML:0.0 | 0.0005729057 | 0.1408 | AML | other | m | 2021-02-10T20:24:07.19 |
IV.BRIS.HHE. | ML:0.0 | 0.0004066051000000001 | 0.192 | AML | other | m | 2021-02-10T20:24:08.04 |
IV.SEI.HHN. | ML:0.0 | 0.0005702143 | 0.1536 | AML | other | m | 2021-02-10T20:24:08.58 |
IV.BRIS.HHN. | ML:0.0 | 0.0005265511499999999 | 0.3584 | AML | other | m | 2021-02-10T20:24:08.52 |
IV.SEI.HHE. | ML:0.0 | 0.00038337785000000003 | 0.32 | AML | other | m | 2021-02-10T20:24:10.42 |
IV.BRIS.HNE. | ML:1.3 | 0.00011166412500000001 | 0.6784 | AML | other | m | 2021-02-10T20:24:09.54 |
IV.CSNT.HHN. | ML:1.5 | 0.00006345577 | 0.5376 | AML | other | m | 2021-02-10T20:24:17.70 |
IV.CSNT.HHE. | ML:1.5 | 0.000052992605 | 0.4864 | AML | other | m | 2021-02-10T20:24:17.44 |
IV.CAFI.HHN. | ML:1.2 | 0.000025993914 | 0.4864 | AML | other | m | 2021-02-10T20:24:25.40 |
IV.CAFI.HHE. | ML:1.3 | 0.000036657595 | 0.4608 | AML | other | m | 2021-02-10T20:24:22.68 |