A magnitude ML 1.2 earthquake occured in region: 2 km W Premilcuore (FC), on
and geographic coordinates (lat, lon) 43.9880, 11.7510 at 9 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 | 2 | 799 | 799 |
Portico e San Benedetto | FC | 5 | 756 | 1555 |
Tredozio | FC | 10 | 1212 | 2767 |
Rocca San Casciano | FC | 11 | 1910 | 4677 |
San Godenzo | FI | 12 | 1167 | 5844 |
Galeata | FC | 13 | 2516 | 8360 |
Santa Sofia | FC | 13 | 4136 | 12496 |
Marradi | FI | 15 | 3139 | 15635 |
Civitella di Romagna | FC | 15 | 3786 | 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 |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.2 | 2023-02-28 11:35:41 |
43.9877 | 11.7512 | 9 | 2023-02-28 11:59:00 |
Sala Sismica INGV-Roma | 114881221 |
Field | Value |
---|---|
Time (UTC) | 2023-02-28 11:35:41 ± 0.08 |
Latitude | 43.9877 ± 0.0045 |
Longitude | 11.7512 ± 0.0062 |
Depth (km) | 9 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 114881221 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 512 |
Semi-minor axis of confidence ellipse (meter) | 403 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 137 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 510.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 71 |
Number of associated phases, regardless of their use for origin computation | 18 |
Number of defining phases | 18 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.27 |
Epicentral distance of station closest to the epicenter (degree) | 0.09533 |
Epicentral distance of station farthest from the epicenter (degree) | 0.39570 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.2 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 114881221 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-02-28 11:59:00 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CRE.HHZ. | 2023-02-28T11:35:56.27 | 0.6 | undecidable | manual | S | 158 | 43.9227 | 50 | 0.15 | 46 |
IV.SEI.HHZ. | 2023-02-28T11:35:53.12 | 0.6 | undecidable | manual | S | 283 | 32.1456 | 50 | 0.14 | 47 |
IV.BOSL.HHN. | 2023-02-28T11:35:52.84 | 0.6 | undecidable | manual | S | 258 | 30.747 | 106 | 0.27 | 47 |
Y1.T1756.HNE. | 2023-02-28T11:35:52.78 | 0.6 | undecidable | manual | S | 74 | 29.1486 | 107 | 0.75 | 40 |
IV.RUFI.EHZ. | 2023-02-28T11:35:51.03 | 0.6 | undecidable | manual | S | 229 | 25.4523 | 109 | 0.21 | 48 |
IV.BRIS.HHZ. | 2023-02-28T11:35:51.63 | 0.6 | undecidable | manual | S | 3 | 26.3514 | 109 | 0.52 | 44 |
IV.CRE.HHZ. | 2023-02-28T11:35:49.73 | 0.1 | undecidable | manual | P | 158 | 43.9227 | 50 | -0.19 | 93 |
IV.VMGN.HHE. | 2023-02-28T11:35:48.79 | 0.6 | undecidable | manual | S | 258 | 17.7711 | 117 | 0.41 | 47 |
Y1.T1756.HNE. | 2023-02-28T11:35:47.57 | 0.1 | undecidable | manual | P | 74 | 29.1486 | 107 | 0.01 | 99 |
IV.BRIS.HHZ. | 2023-02-28T11:35:47.18 | 0.1 | undecidable | manual | P | 3 | 26.3514 | 109 | 0.15 | 96 |
IV.BOSL.HHN. | 2023-02-28T11:35:47.84 | 0.1 | undecidable | manual | P | 258 | 30.747 | 106 | -0.03 | 98 |
IV.SEI.HHZ. | 2023-02-28T11:35:47.69 | 0.1 | undecidable | manual | P | 283 | 32.1456 | 50 | -0.42 | 90 |
IV.RUFI.EHZ. | 2023-02-28T11:35:46.87 | 0.1 | undecidable | manual | P | 229 | 25.4523 | 109 | 0 | 99 |
IV.SFI.EHZ. | 2023-02-28T11:35:46.33 | 0.6 | undecidable | manual | S | 140 | 11.9769 | 127 | -0.31 | 47 |
IV.LMD.HHZ. | 2023-02-28T11:35:45.83 | 0.3 | undecidable | manual | S | 341 | 10.5783 | 130 | -0.44 | 70 |
IV.VMGN.HHE. | 2023-02-28T11:35:45.71 | 0.1 | undecidable | manual | P | 258 | 17.7711 | 117 | 0.25 | 96 |
IV.SFI.EHZ. | 2023-02-28T11:35:44.38 | 0.1 | undecidable | manual | P | 140 | 11.9769 | 127 | -0.07 | 100 |
IV.LMD.HHZ. | 2023-02-28T11:35:43.87 | 0.1 | undecidable | manual | P | 341 | 10.5783 | 130 | -0.36 | 94 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SFI.EHN. | ML:1.1 | 0.0001627527 | 0.0768 | AML | other | m | 2023-02-28T11:35:46.79 |
IV.SFI.EHE. | ML:1.3 | 0.0002505 | 0.06 | AML | other | m | 2023-02-28T11:35:46.83 |
IV.LMD.HHE. | ML:1.2 | 0.0002169522 | 0.1408 | AML | other | m | 2023-02-28T11:35:46.84 |
IV.LMD.HHN. | ML:1.1 | 0.000150164025 | 0.256 | AML | other | m | 2023-02-28T11:35:48.61 |
IV.SFI.HNE. | ML:1.3 | 0.00024324005 | 0.0704 | AML | other | m | 2023-02-28T11:35:46.83 |
IV.SFI.HNN. | ML:1.1 | 0.00016063625 | 0.0768 | AML | other | m | 2023-02-28T11:35:46.79 |
IV.RUFI.EHE. | ML:0.9 | 0.0000440899 | 0.48 | AML | other | m | 2023-02-28T11:35:51.82 |
IV.RUFI.EHN. | ML:1.1 | 0.0000803109275 | 1.7408 | AML | other | m | 2023-02-28T11:35:57.14 |
IV.BRIS.HHE. | ML:1.2 | 0.00009338827 | 0.2048 | AML | other | m | 2023-02-28T11:35:52.00 |
IV.BRIS.HHN. | ML:1.1 | 0.0000646940565 | 0.256 | AML | other | m | 2023-02-28T11:35:52.60 |
IV.BRIS.HNE. | ML:1.6 | 0.00023794365 | 0.2048 | AML | other | m | 2023-02-28T11:35:52.12 |
IV.BRIS.HNN. | ML:1.6 | 0.00019805520000000003 | 0.6784 | AML | other | m | 2023-02-28T11:35:48.60 |