A magnitude ML 0.2 earthquake occured in region: 2 km SW Marradi (FI), on
and geographic coordinates (lat, lon) 44.0640, 11.5940 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 | 2 | 3139 | 3139 |
Palazzuolo sul Senio | FI | 7 | 1154 | 4293 |
Tredozio | FC | 12 | 1212 | 5505 |
San Godenzo | FI | 15 | 1167 | 6672 |
Portico e San Benedetto | FC | 16 | 756 | 7428 |
Premilcuore | FC | 18 | 799 | 8227 |
Vicchio | FI | 18 | 8044 | 16271 |
Casola Valsenio | RA | 18 | 2617 | 18888 |
Firenzuola | FI | 18 | 4726 | 23614 |
Castel del Rio | BO | 18 | 1246 | 24860 |
Modigliana | FC | 19 | 4560 | 29420 |
Rocca San Casciano | FC | 20 | 1910 | 31330 |
Dicomano | FI | 20 | 5515 | 36845 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.2 | 2023-10-29 06:01:06 |
44.0645 | 11.5938 | 11 | 2023-10-29 06:36:40 |
Sala Sismica INGV-Roma | 122533561 |
Field | Value |
---|---|
Time (UTC) | 2023-10-29 06:01:06 ± 0.03 |
Latitude | 44.0645 ± 0.0009 |
Longitude | 11.5938 ± 0.0025 |
Depth (km) | 11 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 122533561 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 700 |
Semi-minor axis of confidence ellipse (meter) | 190 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 345 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 190.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 238 |
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) | 0.02 |
Epicentral distance of station closest to the epicenter (degree) | 0.11871 |
Epicentral distance of station farthest from the epicenter (degree) | 0.23472 |
Number of stations at which the event was observed | 4 |
Number of stations from which data was used for origin computation | 4 |
Field | Value |
---|---|
Value | 0.2 |
Uncertainty | 0.4 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 122533561 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-10-29 06:36:40 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.VISG.HHZ. | 2023-10-29T06:01:13.97 | 0.3 | undecidable | manual | S | 317 | 18.7701 | 50 | -0.01 | 75 |
IV.SEI.HHZ. | 2023-10-29T06:01:13.98 | 0.6 | undecidable | manual | S | 267 | 18.7701 | 50 | -0.01 | 50 |
IV.VMGN.HHZ. | 2023-10-29T06:01:12.46 | 0.3 | undecidable | manual | S | 202 | 13.1757 | 130 | 0 | 76 |
IV.RUFI.EHZ. | 2023-10-29T06:01:11.90 | 0.6 | positive | manual | P | 195 | 26.0517 | 50 | -0.04 | 49 |
IV.SEI.HHZ. | 2023-10-29T06:01:10.85 | 0.1 | positive | manual | P | 267 | 18.7701 | 50 | 0.02 | 100 |
IV.VISG.HHZ. | 2023-10-29T06:01:10.84 | 0.6 | undecidable | manual | P | 317 | 18.7701 | 50 | 0.01 | 50 |
IV.VMGN.HHZ. | 2023-10-29T06:01:09.96 | 0.6 | positive | manual | P | 202 | 13.1757 | 130 | 0.02 | 51 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.VMGN.HHE. | ML:-0.3 | 0.0000060399915 | 0.0992 | AML | other | m | 2023-10-29T06:01:13.94 |
IV.VMGN.HHN. | ML:0.0 | 0.00000939108 | 0.1024 | AML | other | m | 2023-10-29T06:01:13.49 |
IV.VISG.HHE. | ML:0.1 | 0.000011938533000000001 | 0.1408 | AML | other | m | 2023-10-29T06:01:14.37 |
IV.VISG.HHN. | ML:0.1 | 0.000012304465 | 0.1184 | AML | other | m | 2023-10-29T06:01:14.37 |
IV.SEI.HHE. | ML:0.7 | 0.00003551659 | 0.2592 | AML | other | m | 2023-10-29T06:01:14.35 |
IV.SEI.HHN. | ML:0.7 | 0.000041387594999999996 | 0.2208 | AML | other | m | 2023-10-29T06:01:14.61 |
IV.RUFI.EHE. | ML:0.0 | 0.000007143852000000001 | 0.4768 | AML | other | m | 2023-10-29T06:01:22.29 |
IV.RUFI.EHN. | ML:0.6 | 0.000023647784999999996 | 1.8784 | AML | other | m | 2023-10-29T06:01:21.56 |