A magnitude ML 0.7 earthquake occured in region: 2 km SE Marradi (FI), on
and geographic coordinates (lat, lon) 44.0640, 11.6220 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 | 2 | 3139 | 3139 |
Palazzuolo sul Senio | FI | 8 | 1154 | 4293 |
Tredozio | FC | 10 | 1212 | 5505 |
Portico e San Benedetto | FC | 13 | 756 | 6261 |
San Godenzo | FI | 15 | 1167 | 7428 |
Premilcuore | FC | 16 | 799 | 8227 |
Modigliana | FC | 17 | 4560 | 12787 |
Rocca San Casciano | FC | 18 | 1910 | 14697 |
Casola Valsenio | RA | 18 | 2617 | 17314 |
Vicchio | FI | 19 | 8044 | 25358 |
Castel del Rio | BO | 19 | 1246 | 26604 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.7 | 2023-10-09 21:34:21 |
44.064 | 11.6218 | 10 | 2023-10-09 22:03:05 |
Sala Sismica INGV-Roma | 121941921 |
Field | Value |
---|---|
Time (UTC) | 2023-10-09 21:34:21 ± 0.09 |
Latitude | 44.0640 ± 0.0045 |
Longitude | 11.6218 ± 0.0063 |
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 | 121941921 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 577 |
Semi-minor axis of confidence ellipse (meter) | 129 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 42 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 580.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 181 |
Number of associated phases, regardless of their use for origin computation | 12 |
Number of defining phases | 12 |
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) | 0.12680 |
Epicentral distance of station farthest from the epicenter (degree) | 0.32196 |
Number of stations at which the event was observed | 6 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 0.7 |
Uncertainty | 0.3 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 121941921 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-10-09 22:03:05 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MOCL.EHZ. | 2023-10-09T21:34:34.51 | 0.1 | undecidable | manual | S | 260 | 35.742 | 50 | 0.34 | 91 |
IV.SFI.EHZ. | 2023-10-09T21:34:31.37 | 0.1 | undecidable | manual | S | 134 | 25.1526 | 111 | 0.09 | 98 |
IV.RUFI.EHZ. | 2023-10-09T21:34:31.52 | 0.1 | undecidable | manual | S | 200 | 26.6511 | 50 | -0.2 | 95 |
IV.VISG.HHZ. | 2023-10-09T21:34:29.80 | 0.3 | undecidable | manual | S | 313 | 20.3685 | 116 | 0.05 | 74 |
IV.SEI.HHZ. | 2023-10-09T21:34:29.68 | 0.6 | undecidable | manual | S | 267 | 21.0678 | 115 | -0.26 | 47 |
IV.MOCL.EHZ. | 2023-10-09T21:34:28.98 | 0.1 | undecidable | manual | P | 260 | 35.742 | 50 | 0 | 98 |
IV.SFI.EHZ. | 2023-10-09T21:34:27.27 | 0.1 | undecidable | manual | P | 134 | 25.1526 | 111 | -0.04 | 99 |
IV.RUFI.EHZ. | 2023-10-09T21:34:27.48 | 0.1 | undecidable | manual | P | 200 | 26.6511 | 50 | -0.09 | 97 |
IV.VMGN.HHZ. | 2023-10-09T21:34:27.92 | 0.1 | undecidable | manual | S | 210 | 14.0748 | 125 | 0.07 | 100 |
IV.VISG.HHZ. | 2023-10-09T21:34:26.38 | 0.1 | undecidable | manual | P | 313 | 20.3685 | 116 | -0.04 | 99 |
IV.SEI.HHZ. | 2023-10-09T21:34:26.38 | 0.1 | undecidable | manual | P | 267 | 21.0678 | 115 | -0.16 | 97 |
IV.VMGN.HHZ. | 2023-10-09T21:34:25.51 | 0.1 | undecidable | manual | P | 210 | 14.0748 | 125 | 0.17 | 98 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.VMGN.HHE. | ML:0.6 | 0.0000406 | 0.4 | AML | other | m | 2023-10-09T21:34:28.47 |
IV.VMGN.HHN. | ML:0.7 | 0.00004935000000000001 | 0.42 | AML | other | m | 2023-10-09T21:34:28.50 |
IV.VISG.HHN. | ML:0.5 | 0.000023800000000000003 | 0.12 | AML | other | m | 2023-10-09T21:34:30.07 |
IV.VISG.HHE. | ML:0.3 | 0.000014849999999999998 | 0.46 | AML | other | m | 2023-10-09T21:34:30.09 |
IV.SEI.HHN. | ML:1.3 | 0.000146 | 0.22 | AML | other | m | 2023-10-09T21:34:30.33 |
IV.SEI.HHE. | ML:1.1 | 0.00008269999999999999 | 0.38 | AML | other | m | 2023-10-09T21:34:30.37 |
IV.SFI.EHE. | ML:0.6 | 0.000022850000000000003 | 0.16 | AML | other | m | 2023-10-09T21:34:31.42 |
IV.SFI.EHN. | ML:0.7 | 0.0000284 | 1.02 | AML | other | m | 2023-10-09T21:34:32.55 |