A magnitude ML 0.7 earthquake occured in region: 3 km NE Marradi (FI), on
and geographic coordinates (lat, lon) 44.0890, 11.6430 at 6 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 |
---|---|---|---|---|
Marradi | FI | 3 | 3139 | 3139 |
Palazzuolo sul Senio | FI | 8 | 1154 | 4293 |
Tredozio | FC | 8 | 1212 | 5505 |
Portico e San Benedetto | FC | 13 | 756 | 6261 |
Modigliana | FC | 14 | 4560 | 10821 |
Casola Valsenio | RA | 15 | 2617 | 13438 |
Rocca San Casciano | FC | 16 | 1910 | 15348 |
Premilcuore | FC | 16 | 799 | 16147 |
Castel del Rio | BO | 18 | 1246 | 17393 |
Brisighella | RA | 18 | 7639 | 25032 |
San Godenzo | FI | 18 | 1167 | 26199 |
Fontanelice | BO | 20 | 1943 | 28142 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.7 | 2023-09-21 12:55:39 |
44.0888 | 11.6428 | 6 | 2023-09-21 13:02:52 |
Sala Sismica INGV-Roma | 121313091 |
Field | Value |
---|---|
Time (UTC) | 2023-09-21 12:55:39 ± 0.09 |
Latitude | 44.0888 ± 0.0027 |
Longitude | 11.6428 ± 0.0038 |
Depth (km) | 6 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 121313091 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 318 |
Semi-minor axis of confidence ellipse (meter) | 129 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 184 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 320.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 104 |
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) | 0.13 |
Epicentral distance of station closest to the epicenter (degree) | 0.03777 |
Epicentral distance of station farthest from the epicenter (degree) | 0.26890 |
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 | 0.7 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 121313091 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-09-21 13:02:52 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.RUFI.EHZ. | 2023-09-21T12:55:49.99 | 0.6 | undecidable | manual | S | 201 | 29.8479 | 102 | -0.11 | 48 |
IV.SFI.EHZ. | 2023-09-21T12:55:48.95 | 0.6 | undecidable | manual | S | 141 | 26.1516 | 104 | 0.1 | 49 |
IV.RINC.EHZ. | 2023-09-21T12:55:47.87 | 1.0 | undecidable | manual | S | 187 | 22.6551 | 106 | 0.19 | 24 |
IV.SEI.HHZ. | 2023-09-21T12:55:47.86 | 1.0 | undecidable | manual | S | 260 | 22.9548 | 105 | 0.06 | 25 |
IV.VMGN.HHZ. | 2023-09-21T12:55:46.38 | 0.6 | undecidable | manual | S | 211 | 17.2716 | 110 | 0.46 | 46 |
IV.VISG.HHZ. | 2023-09-21T12:55:46.85 | 1.0 | undecidable | manual | S | 304 | 19.9689 | 107 | 0.06 | 25 |
IV.RUFI.EHZ. | 2023-09-21T12:55:45.28 | 1.0 | undecidable | manual | P | 201 | 29.8479 | 102 | -0.35 | 23 |
IV.BOSL.HHZ. | 2023-09-21T12:55:45.25 | 1.0 | undecidable | manual | P | 231 | 27.6501 | 103 | 0.04 | 25 |
IT.MOG.HNZ. | 2023-09-21T12:55:45.16 | 1.0 | undecidable | manual | S | 48 | 13.3755 | 115 | 0.5 | 23 |
IV.SEI.HHZ. | 2023-09-21T12:55:44.20 | 0.1 | positive | manual | P | 260 | 22.9548 | 105 | -0.1 | 98 |
IV.RINC.EHZ. | 2023-09-21T12:55:44.23 | 0.1 | undecidable | manual | P | 187 | 22.6551 | 106 | 0 | 100 |
IV.SFI.EHZ. | 2023-09-21T12:55:44.75 | 0.1 | undecidable | manual | P | 141 | 26.1516 | 104 | -0.16 | 96 |
IV.VISG.HHZ. | 2023-09-21T12:55:43.70 | 0.3 | undecidable | manual | P | 304 | 19.9689 | 107 | -0.02 | 75 |
IV.VMGN.HHZ. | 2023-09-21T12:55:43.41 | 0.6 | positive | manual | P | 211 | 17.2716 | 110 | 0.19 | 49 |
IV.LMD.HHZ. | 2023-09-21T12:55:42.32 | 0.3 | undecidable | manual | S | 104 | 5.2947 | 140 | -0.06 | 76 |
IT.MRR.HGZ. | 2023-09-21T12:55:42.01 | 0.6 | undecidable | manual | S | 229 | 4.1958 | 146 | -0.14 | 50 |
IT.MOG.HNZ. | 2023-09-21T12:55:42.66 | 1.0 | undecidable | manual | P | 48 | 13.3755 | 115 | 0.17 | 25 |
IT.MRR.HGZ. | 2023-09-21T12:55:41.01 | 0.3 | undecidable | manual | P | 229 | 4.1958 | 146 | -0.03 | 77 |
IV.LMD.HHZ. | 2023-09-21T12:55:41.13 | 0.3 | undecidable | manual | P | 104 | 5.2947 | 140 | -0.05 | 77 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.VMGN.HHE. | ML:0.6 | 0.0000367 | 0.42 | AML | other | m | 2023-09-21T12:55:46.71 |
IV.VISG.HHE. | ML:0.4 | 0.00002245 | 0.34 | AML | other | m | 2023-09-21T12:55:47.67 |
IV.VMGN.HHN. | ML:0.6 | 0.00004245 | 1.28 | AML | other | m | 2023-09-21T12:55:48.97 |
IV.SFI.EHE. | ML:0.9 | 0.000049600000000000006 | 0.78 | AML | other | m | 2023-09-21T12:55:49.13 |
IV.SFI.EHN. | ML:0.9 | 0.00004825 | 0.7 | AML | other | m | 2023-09-21T12:55:50.36 |
IV.VISG.HHN. | ML:0.7 | 0.0000401 | 1.04 | AML | other | m | 2023-09-21T12:55:50.21 |