A magnitude ML 1.2 earthquake occured in region: 6 km W Premilcuore (FC), on
and geographic coordinates (lat, lon) 44.0020, 11.7090 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 |
---|---|---|---|---|
Premilcuore | FC | 6 | 799 | 799 |
Portico e San Benedetto | FC | 7 | 756 | 1555 |
Tredozio | FC | 9 | 1212 | 2767 |
San Godenzo | FI | 11 | 1167 | 3934 |
Marradi | FI | 11 | 3139 | 7073 |
Rocca San Casciano | FC | 13 | 1910 | 8983 |
Galeata | FC | 16 | 2516 | 11499 |
Santa Sofia | FC | 17 | 4136 | 15635 |
Palazzuolo sul Senio | FI | 18 | 1154 | 16789 |
Civitella di Romagna | FC | 18 | 3786 | 20575 |
Modigliana | FC | 19 | 4560 | 25135 |
Dicomano | FI | 19 | 5515 | 30650 |
Londa | FI | 19 | 1840 | 32490 |
Dovadola | FC | 20 | 1653 | 34143 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.2 | 2023-10-18 07:36:19 |
44.002 | 11.7087 | 8 | 2023-10-18 07:52:09 |
Sala Sismica INGV-Roma | 122168641 |
Field | Value |
---|---|
Time (UTC) | 2023-10-18 07:36:19 ± 0.31 |
Latitude | 44.0020 ± 0.0171 |
Longitude | 11.7087 ± 0.0250 |
Depth (km) | 8 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 122168641 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 2330 |
Semi-minor axis of confidence ellipse (meter) | 1510 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 309 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 2330.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 123 |
Number of associated phases, regardless of their use for origin computation | 7 |
Number of defining phases | 7 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.43 |
Epicentral distance of station closest to the epicenter (degree) | 0.07554 |
Epicentral distance of station farthest from the epicenter (degree) | 0.74014 |
Number of stations at which the event was observed | 5 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.2 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 122168641 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-10-18 07:52:09 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.NARO.HHZ. | 2023-10-18T07:36:33.85 | 0.6 | undecidable | manual | P | 122 | 82.1511 | 50 | 0.19 | 87 |
IV.SEI.HHZ. | 2023-10-18T07:36:26.52 | 0.6 | undecidable | manual | P | 282 | 28.5492 | 105 | 1.5 | 56 |
IV.VMGN.HHZ. | 2023-10-18T07:36:24.64 | 0.6 | undecidable | manual | S | 250 | 14.9739 | 116 | -0.28 | 97 |
IV.RUFI.EHZ. | 2023-10-18T07:36:24.11 | 0.6 | negative | manual | P | 221 | 24.1536 | 107 | -0.07 | 100 |
IV.LMD.HHZ. | 2023-10-18T07:36:22.82 | 0.6 | undecidable | manual | S | 359 | 8.3805 | 132 | -0.18 | 100 |
IV.VMGN.HHZ. | 2023-10-18T07:36:22.17 | 0.6 | negative | manual | P | 250 | 14.9739 | 116 | -0.3 | 96 |
IV.LMD.HHZ. | 2023-10-18T07:36:21.15 | 0.6 | positive | manual | P | 359 | 8.3805 | 132 | -0.2 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.LMD.HHN. | ML:1.3 | 0.0003125 | 0.28 | AML | other | m | 2023-10-18T07:36:26.69 |
IV.LMD.HHE. | ML:0.9 | 0.0001325 | 1.26 | AML | other | m | 2023-10-18T07:36:27.06 |
IV.VMGN.HHE. | ML:1.3 | 0.0001895 | 0.46 | AML | other | m | 2023-10-18T07:36:34.38 |
IV.VMGN.HHN. | ML:1.4 | 0.000252 | 0.38 | AML | other | m | 2023-10-18T07:36:34.22 |