A magnitude ML 0.8 earthquake occured in region: 4 km SW Palazzuolo sul Senio (FI), on
and geographic coordinates (lat, lon) 44.0830, 11.5120 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 |
---|---|---|---|---|
Palazzuolo sul Senio | FI | 4 | 1154 | 1154 |
Marradi | FI | 8 | 3139 | 4293 |
Firenzuola | FI | 11 | 4726 | 9019 |
Castel del Rio | BO | 15 | 1246 | 10265 |
Vicchio | FI | 17 | 8044 | 18309 |
Borgo San Lorenzo | FI | 17 | 18211 | 36520 |
Casola Valsenio | RA | 18 | 2617 | 39137 |
Tredozio | FC | 19 | 1212 | 40349 |
San Godenzo | FI | 19 | 1167 | 41516 |
Fontanelice | BO | 20 | 1943 | 43459 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.8 | 2019-08-04 02:49:57 |
44.0832 | 11.5122 | 10 | 2019-08-04 03:28:42 |
Sala Sismica INGV-Roma | 71155881 |
Field | Value |
---|---|
Time (UTC) | 2019-08-04 02:49:57 ± 0.03 |
Latitude | 44.0832 ± 0.0027 |
Longitude | 11.5122 ± 0.0013 |
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 | 71155881 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 251 |
Semi-minor axis of confidence ellipse (meter) | 78 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 354 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 250.0 |
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 | 10 |
Number of defining phases | 10 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.06 |
Epicentral distance of station closest to the epicenter (degree) | 0.11421 |
Epicentral distance of station farthest from the epicenter (degree) | 0.34894 |
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 | 0.8 |
Uncertainty | 0.1 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 71155881 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2019-08-04 03:28:42 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MOCL.EHZ. | 2019-08-04T02:50:07.83 | 0.1 | undecidable | manual | S | 252 | 27.8499 | 50 | 0.01 | 98 |
IV.RUFI.EHZ. | 2019-08-04T02:50:07.63 | 0.1 | undecidable | manual | S | 180 | 27.1506 | 50 | -0.03 | 97 |
IV.ASQU.HHZ. | 2019-08-04T02:50:05.32 | 0.1 | undecidable | manual | P | 145 | 38.7279 | 50 | 0.09 | 94 |
IV.LMD.HHZ. | 2019-08-04T02:50:04.12 | 0.1 | undecidable | manual | S | 92 | 15.5733 | 123 | -0.03 | 99 |
IV.SEI.HHZ. | 2019-08-04T02:50:03.35 | 0.1 | undecidable | manual | S | 255 | 12.6762 | 129 | 0.02 | 100 |
IV.MOCL.EHZ. | 2019-08-04T02:50:03.44 | 0.1 | undecidable | manual | P | 252 | 27.8499 | 50 | -0.11 | 96 |
IV.RUFI.EHZ. | 2019-08-04T02:50:03.47 | 0.3 | undecidable | manual | P | 180 | 27.1506 | 50 | 0.01 | 73 |
IV.BRIS.HHZ. | 2019-08-04T02:50:03.25 | 0.1 | undecidable | manual | P | 52 | 25.6521 | 50 | 0.04 | 97 |
IV.LMD.HHZ. | 2019-08-04T02:50:01.39 | 0.1 | undecidable | manual | P | 92 | 15.5733 | 123 | -0.04 | 99 |
IV.SEI.HHZ. | 2019-08-04T02:50:00.99 | 0.1 | undecidable | manual | P | 255 | 12.6762 | 129 | 0.03 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.LMD.HHN. | ML:0.7 | 0.0000445 | 0.26 | AML | other | m | 2019-08-04T02:50:04.39 |
IV.LMD.HHE. | ML:0.7 | 0.00004555 | 1.74 | AML | other | m | 2019-08-04T02:50:06.89 |
IV.MOCL.EHE. | ML:0.8 | 0.00003065 | 0.74 | AML | other | m | 2019-08-04T02:50:07.94 |
IV.MOCL.EHN. | ML:0.8 | 0.0000353 | 0.16 | AML | other | m | 2019-08-04T02:50:08.14 |
IV.BRIS.HHE. | ML:0.9 | 0.00004725 | 0.62 | AML | other | m | 2019-08-04T02:50:13.93 |
IV.BRIS.HHN. | ML:0.8 | 0.00004055 | 0.42 | AML | other | m | 2019-08-04T02:50:17.68 |