A magnitude ML 1.3 earthquake occured in region: 5 km NE Marradi (FI), on
and geographic coordinates (lat, lon) 44.1140, 11.6490 at 10 km depth.
The earthquake was located by: Bollettino Sismico Italiano INGV.
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 | 5 | 3139 | 3139 |
Palazzuolo sul Senio | FI | 8 | 1154 | 4293 |
Tredozio | FC | 9 | 1212 | 5505 |
Casola Valsenio | RA | 12 | 2617 | 8122 |
Modigliana | FC | 13 | 4560 | 12682 |
Portico e San Benedetto | FC | 14 | 756 | 13438 |
Brisighella | RA | 15 | 7639 | 21077 |
Castel del Rio | BO | 16 | 1246 | 22323 |
Rocca San Casciano | FC | 17 | 1910 | 24233 |
Fontanelice | BO | 18 | 1943 | 26176 |
Premilcuore | FC | 18 | 799 | 26975 |
Borgo Tossignano | BO | 19 | 3288 | 30263 |
Riolo Terme | RA | 19 | 5720 | 35983 |
Dovadola | FC | 19 | 1653 | 37636 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.3 | 2020-02-28 03:42:05 |
44.1143 | 11.6487 | 10 | 2020-07-18 21:08:41 |
Bollettino Sismico Italiano INGV | 80411321 |
Reviewed Rev100 |
ML 1.3 | 2020-02-28 03:42:05 |
44.1103 | 11.6525 | 10 | 2020-02-28 03:49:28 |
Sala Sismica INGV-Roma | 76881981 |
Field | Value |
---|---|
Time (UTC) | 2020-02-28 03:42:05 ± 0.08 |
Latitude | 44.1143 ± 0.0054 |
Longitude | 11.6487 ± 0.0050 |
Depth (km) | 10 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 80411321 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 506 |
Semi-minor axis of confidence ellipse (meter) | 388 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 343 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 510.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 101 |
Number of associated phases, regardless of their use for origin computation | 15 |
Number of defining phases | 15 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.21 |
Epicentral distance of station closest to the epicenter (degree) | 0.05576 |
Epicentral distance of station farthest from the epicenter (degree) | 0.33275 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 80411321 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2020-06-22 17:43:12 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 76881981 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-02-28 03:49:28 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.SFI.HNE. | 2020-02-28T03:42:16.09 | 0.3 | undecidable | manual | S | 146 | 28.1496 | 50 | 0.29 | 69 |
IV.SEI.HHZ. | 2020-02-28T03:42:14.51 | 0.3 | undecidable | manual | S | 254 | 24.0537 | 112 | -0.02 | 74 |
IV.RONT.HHZ. | 2020-02-28T03:42:14.33 | 0.3 | undecidable | manual | S | 232 | 21.7671 | 114 | 0.52 | 66 |
IV.VISG.HHZ. | 2020-02-28T03:42:12.82 | 0.6 | undecidable | manual | S | 296 | 18.9699 | 117 | -0.1 | 49 |
IV.ASQU.HHE. | 2020-02-28T03:42:12.74 | 0.1 | undecidable | manual | P | 162 | 36.9297 | 50 | -0.09 | 95 |
IV.BRIS.HHZ. | 2020-02-28T03:42:12.26 | 0.3 | undecidable | manual | S | 37 | 15.3735 | 122 | 0.41 | 69 |
IV.RUFI.EHN. | 2020-02-28T03:42:12.07 | 0.1 | undecidable | manual | P | 200 | 32.6451 | 50 | -0.08 | 96 |
IV.SFI.HNE. | 2020-02-28T03:42:11.32 | 0.1 | undecidable | manual | P | 146 | 28.1496 | 50 | -0.14 | 95 |
IV.RONT.HHZ. | 2020-02-28T03:42:10.46 | 0.1 | undecidable | manual | P | 232 | 21.7671 | 114 | 0.15 | 96 |
IV.SEI.HHZ. | 2020-02-28T03:42:10.60 | 0.1 | undecidable | manual | P | 254 | 24.0537 | 112 | -0.13 | 96 |
IV.RINC.HHE. | 2020-02-28T03:42:10.98 | 0.3 | undecidable | manual | P | 188 | 25.4523 | 111 | -0.01 | 74 |
IV.BRIS.HHZ. | 2020-02-28T03:42:09.19 | 0.1 | undecidable | manual | P | 37 | 15.3735 | 122 | 0.01 | 100 |
IV.LMD.HHZ. | 2020-02-28T03:42:09.30 | 0.3 | undecidable | manual | S | 131 | 6.1938 | 147 | -0.22 | 73 |
IV.VISG.HHZ. | 2020-02-28T03:42:09.61 | 0.1 | undecidable | manual | P | 296 | 18.9699 | 117 | -0.19 | 96 |
IV.LMD.HHZ. | 2020-02-28T03:42:07.70 | 0.1 | undecidable | manual | P | 131 | 6.1938 | 147 | -0.14 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.LMD.HHN. | ML:1.0 | 0.00017199999999999998 | 1.16 | AML | other | m | 2020-02-28T03:42:10.13 |
IV.LMD.HHE. | ML:1.1 | 0.0001975 | 0.66 | AML | other | m | 2020-02-28T03:42:10.10 |
IV.BRIS.HHN. | ML:1.5 | 0.00028149999999999996 | 1.68 | AML | other | m | 2020-02-28T03:42:12.84 |
IV.SEI.HHN. | ML:1.5 | 0.0001915 | 1.8 | AML | other | m | 2020-02-28T03:42:14.92 |
IV.SEI.HHE. | ML:1.4 | 0.00014399999999999998 | 1.44 | AML | other | m | 2020-02-28T03:42:15.98 |
IV.BRIS.HHE. | ML:1.4 | 0.00020800000000000001 | 1.42 | AML | other | m | 2020-02-28T03:42:19.84 |