A magnitude ML 1.0 earthquake occured in region: 2 km W Premilcuore (FC), on
and geographic coordinates (lat, lon) 43.9840, 11.7570 at 4 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 | 2 | 799 | 799 |
Portico e San Benedetto | FC | 5 | 756 | 1555 |
Tredozio | FC | 11 | 1212 | 2767 |
Rocca San Casciano | FC | 11 | 1910 | 4677 |
Galeata | FC | 12 | 2516 | 7193 |
San Godenzo | FI | 13 | 1167 | 8360 |
Santa Sofia | FC | 13 | 4136 | 12496 |
Civitella di Romagna | FC | 15 | 3786 | 16282 |
Marradi | FI | 15 | 3139 | 19421 |
Dovadola | FC | 19 | 1653 | 21074 |
Modigliana | FC | 19 | 4560 | 25634 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.0 | 2021-09-01 21:44:22 |
43.9843 | 11.7573 | 4 | 2022-03-30 13:04:41 |
Bollettino Sismico Italiano INGV | 102055851 |
Field | Value |
---|---|
Time (UTC) | 2021-09-01 21:44:22 ± 0.19 |
Latitude | 43.9843 ± 0.0036 |
Longitude | 11.7573 ± 0.0087 |
Depth (km) | 4 ± 3 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 102055851 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 646 |
Semi-minor axis of confidence ellipse (meter) | 268 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 257 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 650.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 139 |
Number of associated phases, regardless of their use for origin computation | 12 |
Number of defining phases | 10 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.2 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.24012 |
Number of stations at which the event was observed | 7 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.4 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 102055851 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2022-03-17 03:22:18 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.GSCL.HHZ. | 2021-09-01T21:44:56.18 | 3.0 | undecidable | manual | S | -0.05 | 0 | |||
IV.PESA.HHZ. | 2021-09-01T21:44:40.78 | 3.0 | undecidable | manual | S | 0.55 | 0 | |||
IV.RUFI.EHZ. | 2021-09-01T21:44:32.16 | 0.6 | undecidable | manual | S | 231 | 25.6521 | 99 | 0.3 | 46 |
IV.BRIS.HHZ. | 2021-09-01T21:44:32.81 | 0.6 | undecidable | manual | S | 2 | 26.6511 | 99 | 0.6 | 43 |
IV.ASQU.HHE. | 2021-09-01T21:44:30.36 | 0.6 | undecidable | manual | S | 173 | 20.9679 | 102 | 0.09 | 49 |
IV.BRIS.HHZ. | 2021-09-01T21:44:28.19 | 0.3 | undecidable | manual | P | 2 | 26.6511 | 99 | -0.06 | 73 |
IV.ASQU.HHE. | 2021-09-01T21:44:27.07 | 0.1 | undecidable | manual | P | 173 | 20.9679 | 102 | -0.06 | 98 |
IV.RUFI.EHZ. | 2021-09-01T21:44:27.98 | 0.1 | undecidable | manual | P | 231 | 25.6521 | 99 | -0.07 | 97 |
IV.SFI.EHZ. | 2021-09-01T21:44:27.14 | 0.3 | undecidable | manual | S | 141 | 11.3775 | 111 | 0.08 | 75 |
IV.LMD.HHE. | 2021-09-01T21:44:26.88 | 0.3 | undecidable | manual | S | 339 | 11.0778 | 111 | -0.08 | 75 |
IV.SFI.EHZ. | 2021-09-01T21:44:25.21 | 0.1 | undecidable | manual | P | 141 | 11.3775 | 111 | -0.07 | 100 |
IV.LMD.HHE. | 2021-09-01T21:44:25.04 | 0.1 | undecidable | manual | P | 339 | 11.0778 | 111 | -0.18 | 98 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.LMD.HHE. | ML:0.7 | 0.00007754999999999999 | 0.34 | AML | other | m | 2021-09-01T21:44:27.19 |
IV.SFI.EHN. | ML:0.8 | 0.00009305 | 0.46 | AML | other | m | 2021-09-01T21:44:27.31 |
IV.SFI.EHE. | ML:0.9 | 0.00011785 | 0.08 | AML | other | m | 2021-09-01T21:44:27.37 |
IV.LMD.HHN. | ML:0.6 | 0.0000661 | 0.4 | AML | other | m | 2021-09-01T21:44:27.63 |
IV.BRSN.EHN. | ML:1.8 | 0.000199 | 0.54 | AML | other | m | 2021-09-01T21:44:29.68 |
IV.BRSN.EHE. | ML:1.9 | 0.0002505 | 0.06 | AML | other | m | 2021-09-01T21:44:30.81 |
IV.BRIS.HHE. | ML:1.1 | 0.0000799 | 1.66 | AML | other | m | 2021-09-01T21:44:33.03 |
IV.BRIS.HHN. | ML:1.0 | 0.00005765 | 1.2 | AML | other | m | 2021-09-01T21:44:33.76 |