A magnitude ML 0.9 earthquake occured in region: 6 km NE Marradi (FI), on
and geographic coordinates (lat, lon) 44.1250, 11.6430 at 8 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 | 6 | 3139 | 3139 |
Palazzuolo sul Senio | FI | 8 | 1154 | 4293 |
Tredozio | FC | 10 | 1212 | 5505 |
Casola Valsenio | RA | 11 | 2617 | 8122 |
Modigliana | FC | 13 | 4560 | 12682 |
Castel del Rio | BO | 15 | 1246 | 13928 |
Brisighella | RA | 15 | 7639 | 21567 |
Portico e San Benedetto | FC | 16 | 756 | 22323 |
Fontanelice | BO | 16 | 1943 | 24266 |
Rocca San Casciano | FC | 17 | 1910 | 26176 |
Borgo Tossignano | BO | 18 | 3288 | 29464 |
Riolo Terme | RA | 18 | 5720 | 35184 |
Casalfiumanese | BO | 19 | 3438 | 38622 |
Dovadola | FC | 20 | 1653 | 40275 |
Premilcuore | FC | 20 | 799 | 41074 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2019-10-30 01:37:38 |
44.1248 | 11.6428 | 8 | 2019-10-30 01:49:13 |
Sala Sismica INGV-Roma | 73527301 |
Field | Value |
---|---|
Time (UTC) | 2019-10-30 01:37:38 ± 0.08 |
Latitude | 44.1248 ± 0.0036 |
Longitude | 11.6428 ± 0.0063 |
Depth (km) | 8 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 73527301 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 415 |
Semi-minor axis of confidence ellipse (meter) | 392 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 7 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 410.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 125 |
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) | 0.16 |
Epicentral distance of station closest to the epicenter (degree) | 0.06655 |
Epicentral distance of station farthest from the epicenter (degree) | 0.37502 |
Number of stations at which the event was observed | 5 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.2 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 73527301 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2019-10-30 01:49:13 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.FNVD.HHE. | 2019-10-30T01:37:52.49 | 0.6 | undecidable | manual | S | 277 | 41.625 | 50 | 0.12 | 46 |
IV.SFI.EHZ. | 2019-10-30T01:37:48.85 | 0.6 | undecidable | manual | S | 146 | 29.3484 | 106 | 0.06 | 48 |
IV.SEI.HHZ. | 2019-10-30T01:37:47.09 | 0.6 | undecidable | manual | S | 251 | 23.9538 | 109 | 0.09 | 48 |
IV.FNVD.HHE. | 2019-10-30T01:37:46.54 | 0.3 | undecidable | manual | P | 277 | 41.625 | 50 | 0.16 | 69 |
IV.SFI.EHZ. | 2019-10-30T01:37:44.08 | 0.3 | undecidable | manual | P | 146 | 29.3484 | 106 | -0.23 | 69 |
IV.BRIS.HHZ. | 2019-10-30T01:37:44.19 | 0.3 | undecidable | manual | S | 42 | 14.7741 | 119 | 0.09 | 73 |
IV.SEI.HHZ. | 2019-10-30T01:37:43.09 | 0.1 | undecidable | manual | P | 251 | 23.9538 | 109 | -0.19 | 94 |
IV.LMD.HHZ. | 2019-10-30T01:37:42.26 | 0.3 | undecidable | manual | S | 136 | 7.3815 | 139 | 0.2 | 72 |
IV.BRIS.HHZ. | 2019-10-30T01:37:41.47 | 0.1 | positive | manual | P | 42 | 14.7741 | 119 | -0.13 | 97 |
IV.LMD.HHZ. | 2019-10-30T01:37:40.45 | 0.1 | undecidable | manual | P | 136 | 7.3815 | 139 | 0.02 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.LMD.HHE. | ML:0.8 | 0.000122 | 0.34 | AML | other | m | 2019-10-30T01:37:42.34 |
IV.LMD.HHN. | ML:0.8 | 0.0001044 | 0.26 | AML | other | m | 2019-10-30T01:37:42.52 |
IV.BRIS.HHE. | ML:1.1 | 0.00014150000000000002 | 0.34 | AML | other | m | 2019-10-30T01:37:44.39 |
IV.BRIS.HHN. | ML:1.0 | 0.00009609999999999999 | 0.48 | AML | other | m | 2019-10-30T01:37:45.03 |