A magnitude ML 0.7 earthquake occured in region: 1 km SW Marradi (FI), on
and geographic coordinates (lat, lon) 44.0680, 11.6090 at 10 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 | 1 | 3139 | 3139 |
Palazzuolo sul Senio | FI | 7 | 1154 | 4293 |
Tredozio | FC | 11 | 1212 | 5505 |
Portico e San Benedetto | FC | 15 | 756 | 6261 |
San Godenzo | FI | 16 | 1167 | 7428 |
Premilcuore | FC | 17 | 799 | 8227 |
Casola Valsenio | RA | 17 | 2617 | 10844 |
Modigliana | FC | 18 | 4560 | 15404 |
Castel del Rio | BO | 18 | 1246 | 16650 |
Rocca San Casciano | FC | 19 | 1910 | 18560 |
Vicchio | FI | 19 | 8044 | 26604 |
Firenzuola | FI | 19 | 4726 | 31330 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.7 | 2023-09-18 22:53:57 |
44.0685 | 11.6088 | 10 | 2023-09-18 23:12:13 |
Sala Sismica INGV-Roma | 121211501 |
Field | Value |
---|---|
Time (UTC) | 2023-09-18 22:53:57 ± 0.08 |
Latitude | 44.0685 ± 0.0036 |
Longitude | 11.6088 ± 0.0050 |
Depth (km) | 10 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 121211501 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 376 |
Semi-minor axis of confidence ellipse (meter) | 337 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 250 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 380.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 129 |
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) | 0.18 |
Epicentral distance of station closest to the epicenter (degree) | 0.00630 |
Epicentral distance of station farthest from the epicenter (degree) | 0.24102 |
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 | 0.7 |
Uncertainty | 0.2 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 121211501 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-09-18 23:12:13 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.RUFI.EHZ. | 2023-09-18T22:54:07.06 | 0.3 | undecidable | manual | S | 197 | 26.751 | 50 | -0.24 | 71 |
IV.SFI.HNN. | 2023-09-18T22:54:07.38 | 0.6 | undecidable | manual | S | 134 | 26.2515 | 110 | 0.22 | 47 |
IV.BOSL.HHZ. | 2023-09-18T22:54:06.53 | 0.3 | undecidable | manual | S | 231 | 24.1536 | 112 | 0.06 | 73 |
IV.VISG.HHE. | 2023-09-18T22:54:05.06 | 0.3 | undecidable | manual | S | 314 | 19.2696 | 117 | 0.13 | 72 |
IV.RINC.EHZ. | 2023-09-18T22:54:05.28 | 0.3 | undecidable | manual | S | 180 | 20.1687 | 116 | 0.07 | 74 |
IV.SEI.HHZ. | 2023-09-18T22:54:04.94 | 0.6 | undecidable | manual | S | 266 | 19.9689 | 116 | -0.22 | 47 |
IV.VMGN.HHZ. | 2023-09-18T22:54:03.62 | 0.3 | undecidable | manual | S | 206 | 14.0748 | 125 | 0.25 | 72 |
IV.SFI.HNN. | 2023-09-18T22:54:03.03 | 0.1 | undecidable | manual | P | 134 | 26.2515 | 110 | -0.01 | 98 |
IV.RINC.EHZ. | 2023-09-18T22:54:02.01 | 1.0 | undecidable | manual | P | 180 | 20.1687 | 116 | 0.09 | 24 |
IV.RUFI.EHZ. | 2023-09-18T22:54:02.95 | 0.6 | positive | manual | P | 197 | 26.751 | 50 | -0.17 | 48 |
IV.BOSL.HHZ. | 2023-09-18T22:54:02.62 | 0.1 | undecidable | manual | P | 231 | 24.1536 | 112 | -0.03 | 98 |
IV.LMD.HHZ. | 2023-09-18T22:54:01.81 | 0.3 | undecidable | manual | S | 83 | 7.881 | 141 | 0.01 | 76 |
IV.VISG.HHE. | 2023-09-18T22:54:01.97 | 0.1 | undecidable | manual | P | 314 | 19.2696 | 117 | 0.21 | 95 |
IV.VMGN.HHZ. | 2023-09-18T22:54:01.03 | 0.1 | undecidable | manual | P | 206 | 14.0748 | 125 | 0.18 | 97 |
IV.SEI.HHZ. | 2023-09-18T22:54:01.51 | 1.0 | undecidable | manual | P | 266 | 19.9689 | 116 | -0.38 | 23 |
IT.MRR.HGE. | 2023-09-18T22:54:00.25 | 0.6 | undecidable | manual | S | 222 | 0.6993 | 176 | -0.59 | 44 |
IT.MRR.HGE. | 2023-09-18T22:53:59.28 | 0.1 | undecidable | manual | P | 222 | 0.6993 | 176 | -0.11 | 100 |
IV.LMD.HHZ. | 2023-09-18T22:53:59.95 | 0.6 | undecidable | manual | P | 83 | 7.881 | 141 | 0 | 51 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.LMD.HHE. | ML:0.6 | 0.00006155 | 1.84 | AML | other | m | 2023-09-18T22:54:02.02 |
IV.LMD.HHN. | ML:0.8 | 0.00009465 | 1.74 | AML | other | m | 2023-09-18T22:54:02.91 |
IV.SEI.HHE. | ML:0.7 | 0.00004241244 | 0.2816 | AML | other | m | 2023-09-18T22:54:05.08 |
IV.SEI.HHN. | ML:0.8 | 0.0000494 | 1.72 | AML | other | m | 2023-09-18T22:54:09.98 |
IV.RINC.EHE. | ML:0.6 | 0.000029811604999999998 | 0.256 | AML | other | m | 2023-09-18T22:54:05.90 |
IV.RINC.EHN. | ML:0.4 | 0.0000191141314 | 0.1792 | AML | other | m | 2023-09-18T22:54:06.70 |
IV.RUFI.EHE. | ML:0.3 | 0.000010278795 | 0.6656 | AML | other | m | 2023-09-18T22:54:14.67 |
IV.RUFI.EHN. | ML:0.9 | 0.000041055964 | 2.4448 | AML | other | m | 2023-09-18T22:54:14.16 |