A magnitude ML 0.9 earthquake occured in region: 1 km NE Premilcuore (FC), on
and geographic coordinates (lat, lon) 43.9850, 11.7900 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 |
---|---|---|---|---|
Premilcuore | FC | 1 | 799 | 799 |
Portico e San Benedetto | FC | 5 | 756 | 1555 |
Rocca San Casciano | FC | 10 | 1910 | 3465 |
Galeata | FC | 10 | 2516 | 5981 |
Santa Sofia | FC | 10 | 4136 | 10117 |
Tredozio | FC | 11 | 1212 | 11329 |
Civitella di Romagna | FC | 12 | 3786 | 15115 |
San Godenzo | FI | 15 | 1167 | 16282 |
Dovadola | FC | 17 | 1653 | 17935 |
Marradi | FI | 17 | 3139 | 21074 |
Modigliana | FC | 19 | 4560 | 25634 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2020-10-17 06:46:20 |
43.9848 | 11.7902 | 10 | 2020-10-17 06:56:02 |
Sala Sismica INGV-Roma | 83837931 |
Field | Value |
---|---|
Time (UTC) | 2020-10-17 06:46:20 ± 0.2 |
Latitude | 43.9848 ± 0.0126 |
Longitude | 11.7902 ± 0.0187 |
Depth (km) | 10 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 83837931 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1598 |
Semi-minor axis of confidence ellipse (meter) | 1261 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 134 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1600.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 157 |
Number of associated phases, regardless of their use for origin computation | 14 |
Number of defining phases | 14 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.38 |
Epicentral distance of station closest to the epicenter (degree) | 0.08993 |
Epicentral distance of station farthest from the epicenter (degree) | 0.32645 |
Number of stations at which the event was observed | 7 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 83837931 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-10-17 06:56:02 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.VISG.HHN. | 2020-10-17T06:46:33.38 | 0.6 | undecidable | manual | S | 309 | 36.2415 | 50 | 0.28 | 46 |
IV.RONT.HHE. | 2020-10-17T06:46:30.96 | 0.6 | undecidable | manual | S | 272 | 28.5492 | 50 | -0.07 | 49 |
IV.RUFI.EHZ. | 2020-10-17T06:46:30.64 | 0.6 | undecidable | manual | S | 234 | 27.75 | 50 | -0.18 | 48 |
IV.BRIS.HHZ. | 2020-10-17T06:46:30.84 | 0.6 | undecidable | manual | S | 356 | 26.6511 | 110 | 0.31 | 47 |
IV.ASQU.HHZ. | 2020-10-17T06:46:28.93 | 0.6 | undecidable | manual | S | 180 | 20.868 | 115 | 0.25 | 48 |
IV.RINC.HHZ. | 2020-10-17T06:46:28.06 | 0.6 | undecidable | manual | S | 233 | 18.2706 | 118 | 0.19 | 49 |
IV.RONT.HHE. | 2020-10-17T06:46:27.62 | 0.1 | undecidable | manual | P | 272 | 28.5492 | 50 | 0.96 | 74 |
IV.RUFI.EHZ. | 2020-10-17T06:46:26.33 | 0.1 | positive | manual | P | 234 | 27.75 | 50 | -0.2 | 96 |
IV.BRIS.HHZ. | 2020-10-17T06:46:26.38 | 1.0 | undecidable | manual | P | 356 | 26.6511 | 110 | 0.02 | 25 |
IV.VISG.HHN. | 2020-10-17T06:46:26.96 | 0.1 | undecidable | manual | P | 309 | 36.2415 | 50 | -0.89 | 75 |
IV.SFI.EHZ. | 2020-10-17T06:46:25.54 | 0.6 | undecidable | manual | S | 153 | 9.9789 | 134 | 0.01 | 51 |
IV.ASQU.HHZ. | 2020-10-17T06:46:25.25 | 0.1 | undecidable | manual | P | 180 | 20.868 | 115 | -0.05 | 100 |
IV.RINC.HHZ. | 2020-10-17T06:46:24.62 | 0.1 | undecidable | manual | P | 233 | 18.2706 | 118 | -0.21 | 97 |
IV.SFI.EHZ. | 2020-10-17T06:46:23.50 | 0.3 | positive | manual | P | 153 | 9.9789 | 134 | 0.02 | 77 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SFI.EHE. | ML:0.9 | 0.0000972 | 0.08 | AML | other | m | 2020-10-17T06:46:25.72 |
IV.SFI.EHN. | ML:1.0 | 0.00011679999999999999 | 1.56 | AML | other | m | 2020-10-17T06:46:26.82 |
IV.ASQU.HHE. | ML:0.8 | 0.00004565 | 0.22 | AML | other | m | 2020-10-17T06:46:29.22 |
IV.ASQU.HHN. | ML:0.7 | 0.000034750000000000004 | 1.2 | AML | other | m | 2020-10-17T06:46:29.84 |
IV.BRIS.HHE. | ML:1.2 | 0.00008219999999999999 | 0.34 | AML | other | m | 2020-10-17T06:46:31.13 |
IV.BRIS.HHN. | ML:1.2 | 0.00008444999999999999 | 1.24 | AML | other | m | 2020-10-17T06:46:31.24 |