A magnitude ML 0.9 earthquake occured in region: 3 km SE Portico e San Benedetto (FC), on
and geographic coordinates (lat, lon) 44.0100, 11.8100 at 16 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 |
---|---|---|---|---|
Portico e San Benedetto | FC | 3 | 756 | 756 |
Premilcuore | FC | 5 | 799 | 1555 |
Rocca San Casciano | FC | 6 | 1910 | 3465 |
Galeata | FC | 8 | 2516 | 5981 |
Tredozio | FC | 9 | 1212 | 7193 |
Civitella di Romagna | FC | 10 | 3786 | 10979 |
Santa Sofia | FC | 11 | 4136 | 15115 |
Dovadola | FC | 14 | 1653 | 16768 |
Modigliana | FC | 16 | 4560 | 21328 |
Predappio | FC | 17 | 6346 | 27674 |
Marradi | FI | 17 | 3139 | 30813 |
San Godenzo | FI | 18 | 1167 | 31980 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2021-10-26 23:37:29 |
44.0103 | 11.8097 | 16 | 2021-10-26 23:48:25 |
Sala Sismica INGV-Roma | 97010881 |
Field | Value |
---|---|
Time (UTC) | 2021-10-26 23:37:29 ± 0.12 |
Latitude | 44.0103 ± 0.0018 |
Longitude | 11.8097 ± 0.0038 |
Depth (km) | 16 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 97010881 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 298 |
Semi-minor axis of confidence ellipse (meter) | 152 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 275 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 300.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 174 |
Number of associated phases, regardless of their use for origin computation | 7 |
Number of defining phases | 6 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.07 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.27609 |
Number of stations at which the event was observed | 4 |
Number of stations from which data was used for origin computation | 3 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.2 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 97010881 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-10-26 23:48:25 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MURB.HNZ. | 2021-10-26T23:37:45.92 | 3.0 | undecidable | manual | P | 0.01 | 0 | |||
IV.RUFI.EHZ. | 2021-10-26T23:37:40.16 | 0.1 | undecidable | manual | S | 232 | 30.6471 | 104 | 0.01 | 97 |
IV.BRIS.HHZ. | 2021-10-26T23:37:38.47 | 0.1 | undecidable | manual | S | 352 | 24.0537 | 110 | 0.02 | 98 |
IV.RUFI.EHZ. | 2021-10-26T23:37:35.55 | 0.6 | undecidable | manual | P | 232 | 30.6471 | 104 | -0.04 | 48 |
IV.SFI.EHZ. | 2021-10-26T23:37:35.67 | 0.1 | undecidable | manual | S | 166 | 12.0768 | 134 | -0.04 | 100 |
IV.BRIS.HHZ. | 2021-10-26T23:37:34.56 | 0.1 | undecidable | manual | P | 352 | 24.0537 | 110 | -0.05 | 98 |
IV.SFI.EHZ. | 2021-10-26T23:37:33.10 | 0.3 | positive | manual | P | 166 | 12.0768 | 134 | 0.08 | 74 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SFI.EHE. | ML:0.8 | 0.00005105 | 0.3 | AML | other | m | 2021-10-26T23:37:35.73 |
IV.SFI.EHN. | ML:0.7 | 0.00004035 | 1.12 | AML | other | m | 2021-10-26T23:37:35.22 |
IV.BRIS.HHE. | ML:1.0 | 0.00005755 | 0.3 | AML | other | m | 2021-10-26T23:37:38.54 |
IV.BRIS.HHN. | ML:1.0 | 0.00004865 | 0.22 | AML | other | m | 2021-10-26T23:37:38.70 |