A magnitude ML 0.5 earthquake occured in region: 1 km NW Premilcuore (FC), on
and geographic coordinates (lat, lon) 43.9880, 11.7710 at 9 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 | 4 | 756 | 1555 |
Rocca San Casciano | FC | 10 | 1910 | 3465 |
Tredozio | FC | 10 | 1212 | 4677 |
Galeata | FC | 11 | 2516 | 7193 |
Santa Sofia | FC | 12 | 4136 | 11329 |
Civitella di Romagna | FC | 14 | 3786 | 15115 |
San Godenzo | FI | 14 | 1167 | 16282 |
Marradi | FI | 16 | 3139 | 19421 |
Dovadola | FC | 18 | 1653 | 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 0.5 | 2020-07-25 08:24:37 |
43.9883 | 11.7708 | 9 | 2020-07-25 08:50:48 |
Sala Sismica INGV-Roma | 81328061 |
Field | Value |
---|---|
Time (UTC) | 2020-07-25 08:24:37 ± 0.09 |
Latitude | 43.9883 ± 0.0027 |
Longitude | 11.7708 ± 0.0050 |
Depth (km) | 9 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 81328061 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 342 |
Semi-minor axis of confidence ellipse (meter) | 276 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 222 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 340.0 |
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 | 14 |
Number of defining phases | 14 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.15 |
Epicentral distance of station closest to the epicenter (degree) | 0.09982 |
Epicentral distance of station farthest from the epicenter (degree) | 0.30397 |
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 | 0.5 |
Uncertainty | 0.3 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 81328061 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-07-25 08:50:48 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.SEI.HHZ. | 2020-07-25T08:24:49.77 | 0.3 | undecidable | manual | S | 283 | 33.744 | 50 | 0.06 | 71 |
IV.RUFI.EHZ. | 2020-07-25T08:24:47.27 | 0.3 | undecidable | manual | S | 231 | 26.751 | 108 | -0.2 | 70 |
IV.RONT.HHZ. | 2020-07-25T08:24:47.81 | 0.3 | undecidable | manual | S | 271 | 26.9508 | 108 | 0.25 | 69 |
IV.ASQU.HHZ. | 2020-07-25T08:24:45.96 | 0.3 | undecidable | manual | S | 176 | 21.2676 | 112 | 0.25 | 70 |
IV.SEI.HHZ. | 2020-07-25T08:24:44.36 | 0.6 | undecidable | manual | P | 283 | 33.744 | 50 | -0.28 | 45 |
IV.RINC.HHZ. | 2020-07-25T08:24:44.31 | 0.3 | undecidable | manual | S | 229 | 17.2716 | 117 | -0.13 | 72 |
IV.RONT.HHZ. | 2020-07-25T08:24:43.61 | 0.6 | undecidable | manual | P | 271 | 26.9508 | 108 | 0.21 | 47 |
IV.RUFI.EHZ. | 2020-07-25T08:24:43.22 | 0.1 | undecidable | manual | P | 231 | 26.751 | 108 | -0.13 | 95 |
IV.ASQU.HHZ. | 2020-07-25T08:24:42.36 | 0.1 | undecidable | manual | P | 176 | 21.2676 | 112 | 0.03 | 98 |
IV.LMD.HHZ. | 2020-07-25T08:24:42.56 | 0.3 | undecidable | manual | S | 333 | 11.0778 | 128 | -0.06 | 74 |
IV.SFI.EHZ. | 2020-07-25T08:24:42.47 | 0.3 | undecidable | manual | S | 147 | 11.0778 | 128 | -0.14 | 73 |
IV.RINC.HHZ. | 2020-07-25T08:24:41.68 | 0.3 | undecidable | manual | P | 229 | 17.2716 | 117 | 0.08 | 73 |
IV.SFI.EHZ. | 2020-07-25T08:24:40.60 | 0.1 | undecidable | manual | P | 147 | 11.0778 | 128 | 0.05 | 99 |
IV.LMD.HHZ. | 2020-07-25T08:24:40.55 | 0.1 | undecidable | manual | P | 333 | 11.0778 | 128 | 0 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.LMD.HHE. | ML:0.7 | 0.00006608713500000001 | 0.1408 | AML | other | m | 2020-07-25T08:24:42.79 |
IV.LMD.HHN. | ML:0.7 | 0.00007168347 | 0.16 | AML | other | m | 2020-07-25T08:24:42.74 |
IV.SFI.EHE. | ML:0.3 | 0.000022801105 | 0.0768 | AML | other | m | 2020-07-25T08:24:42.62 |
IV.SFI.EHN. | ML:0.2 | 0.000022493315 | 0.064 | AML | other | m | 2020-07-25T08:24:42.64 |
IV.SFI.HNE. | ML:0.6 | 0.000045102995 | 0 | AML | other | m | 2020-07-25T08:24:43.82 |
IV.SFI.HNN. | ML:0.6 | 0.000046312235 | 0.128 | AML | other | m | 2020-07-25T08:24:42.74 |
IV.RINC.HHE. | ML:0.1 | 0.000011823344999999999 | 0.1408 | AML | other | m | 2020-07-25T08:24:44.64 |
IV.RINC.HHN. | ML:0.1 | 0.0000081457715 | 0.1408 | AML | other | m | 2020-07-25T08:24:44.92 |
IV.RUFI.EHN. | ML:0.6 | 0.000018692944999999995 | 0.2176 | AML | other | m | 2020-07-25T08:24:47.64 |
IV.SEI.HHE. | ML:0.8 | 0.000023735224999999998 | 0.1216 | AML | other | m | 2020-07-25T08:24:50.29 |