A magnitude ML 0.8 earthquake occured in region: 3 km E Marradi (FI), on
and geographic coordinates (lat, lon) 44.0710, 11.6540 at 11 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 |
Tredozio | FC | 7 | 1212 | 4351 |
Palazzuolo sul Senio | FI | 10 | 1154 | 5505 |
Portico e San Benedetto | FC | 11 | 756 | 6261 |
Premilcuore | FC | 14 | 799 | 7060 |
Modigliana | FC | 15 | 4560 | 11620 |
Rocca San Casciano | FC | 15 | 1910 | 13530 |
San Godenzo | FI | 16 | 1167 | 14697 |
Casola Valsenio | RA | 17 | 2617 | 17314 |
Brisighella | RA | 19 | 7639 | 24953 |
Dovadola | FC | 20 | 1653 | 26606 |
Castel del Rio | BO | 20 | 1246 | 27852 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.8 | 2023-09-26 01:59:57 |
44.0707 | 11.6537 | 11 | 2023-09-26 02:13:42 |
Sala Sismica INGV-Roma | 121462981 |
Field | Value |
---|---|
Time (UTC) | 2023-09-26 01:59:57 ± 0.06 |
Latitude | 44.0707 ± 0.0027 |
Longitude | 11.6537 ± 0.0038 |
Depth (km) | 11 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 121462981 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 360 |
Semi-minor axis of confidence ellipse (meter) | 250 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 237 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 360.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 193 |
Number of associated phases, regardless of their use for origin computation | 8 |
Number of defining phases | 7 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.09 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.21674 |
Number of stations at which the event was observed | 5 |
Number of stations from which data was used for origin computation | 4 |
Field | Value |
---|---|
Value | 0.8 |
Uncertainty | 0.3 |
Num. used stations | 9 |
Type of magnitude | ML |
Reference to an origin | 121462981 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-09-26 02:13:42 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.VISG.HHZ. | 2023-09-26T02:00:06.39 | 0.1 | undecidable | manual | S | 307 | 21.867 | 50 | 0.1 | 97 |
IV.SEI.HHZ. | 2023-09-26T02:00:06.74 | 0.1 | undecidable | manual | S | 266 | 23.5542 | 50 | -0.01 | 99 |
IV.VMGN.HHZ. | 2023-09-26T02:00:04.61 | 0.1 | undecidable | manual | S | 217 | 16.0728 | 124 | -0.02 | 100 |
IV.SFI.EHZ. | 2023-09-26T02:00:03.10 | 0.1 | undecidable | manual | P | 140 | 24.0537 | 50 | 0.01 | 99 |
IV.VISG.HHZ. | 2023-09-26T02:00:02.63 | 0.1 | undecidable | manual | P | 307 | 21.867 | 50 | -0.12 | 97 |
IV.SEI.HHZ. | 2023-09-26T02:00:02.99 | 0.1 | undecidable | manual | P | 266 | 23.5542 | 50 | -0.03 | 99 |
IV.VMGN.HHZ. | 2023-09-26T02:00:01.87 | 0.1 | undecidable | manual | P | 217 | 16.0728 | 124 | 0.07 | 99 |
IV.RINC.EHZ. | 2023-09-26T02:00:01.27 | 3.0 | undecidable | manual | P | 0 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.RINC.EHE. | ML:0.8 | 0.000046602210000000007 | 3.3008 | AML | other | m | 2023-09-26T02:00:05.51 |
IV.RINC.EHN. | ML:1.0 | 0.000066029245 | 7.88 | AML | other | m | 2023-09-26T02:00:05.82 |
IV.VMGN.HHE. | ML:0.4 | 0.000025778019999999998 | 0.1792 | AML | other | m | 2023-09-26T02:00:06.48 |
IV.VMGN.HHN. | ML:0.5 | 0.00003134699 | 0.56 | AML | other | m | 2023-09-26T02:00:06.59 |
IV.VISG.HHE. | ML:0.6 | 0.00002610846 | 0.2592 | AML | other | m | 2023-09-26T02:00:06.47 |
IV.VISG.HHN. | ML:0.6 | 0.000025709435 | 0.12 | AML | other | m | 2023-09-26T02:00:07.32 |
IV.SFI.EHN. | ML:0.8 | 0.000039055359999999996 | 0.92 | AML | other | m | 2023-09-26T02:00:08.00 |
IV.SFI.HNE. | ML:1.3 | 0.00012356195 | 1.2896 | AML | other | m | 2023-09-26T02:00:18.98 |
IV.SFI.HNN. | ML:1.4 | 0.00013978205 | 1.4304 | AML | other | m | 2023-09-26T02:00:09.70 |