A magnitude ML 1.1 earthquake occured in region: 3 km SE Portico e San Benedetto (FC), on
and geographic coordinates (lat, lon) 44.0020, 11.7990 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 |
---|---|---|---|---|
Portico e San Benedetto | FC | 3 | 756 | 756 |
Premilcuore | FC | 3 | 799 | 1555 |
Rocca San Casciano | FC | 8 | 1910 | 3465 |
Galeata | FC | 9 | 2516 | 5981 |
Tredozio | FC | 10 | 1212 | 7193 |
Santa Sofia | FC | 11 | 4136 | 11329 |
Civitella di Romagna | FC | 11 | 3786 | 15115 |
Dovadola | FC | 15 | 1653 | 16768 |
San Godenzo | FI | 17 | 1167 | 17935 |
Marradi | FI | 17 | 3139 | 21074 |
Modigliana | FC | 17 | 4560 | 25634 |
Predappio | FC | 18 | 6346 | 31980 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2021-09-02 11:31:12 |
44.0015 | 11.7988 | 9 | 2021-09-02 11:38:06 |
Sala Sismica INGV-Roma | 94956871 |
Field | Value |
---|---|
Time (UTC) | 2021-09-02 11:31:12 ± 0.14 |
Latitude | 44.0015 ± 0.0036 |
Longitude | 11.7988 ± 0.0100 |
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 | 94956871 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 827 |
Semi-minor axis of confidence ellipse (meter) | 302 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 64 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 830.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 201 |
Number of associated phases, regardless of their use for origin computation | 21 |
Number of defining phases | 6 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.08 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.20505 |
Number of stations at which the event was observed | 18 |
Number of stations from which data was used for origin computation | 3 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.1 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 94956871 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-09-02 11:38:06 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ASQU.HHZ. | 2021-09-02T11:31:20.74 | 0.3 | undecidable | manual | S | 182 | 22.755 | 110 | 0.06 | 73 |
IV.SFI.EHZ. | 2021-09-02T11:31:17.15 | 0.1 | undecidable | manual | S | 160 | 11.3775 | 127 | -0.04 | 99 |
IV.LMD.HHZ. | 2021-09-02T11:31:17.12 | 0.1 | undecidable | manual | S | 319 | 11.1777 | 127 | 0 | 100 |
IV.ASQU.HHZ. | 2021-09-02T11:31:17.05 | 0.1 | undecidable | manual | P | 182 | 22.755 | 110 | -0.07 | 97 |
IV.SFI.EHZ. | 2021-09-02T11:31:15.18 | 0.1 | undecidable | manual | P | 160 | 11.3775 | 127 | 0.07 | 99 |
IV.LMD.HHZ. | 2021-09-02T11:31:15.07 | 0.1 | undecidable | manual | P | 319 | 11.1777 | 127 | 0 | 100 |
ST.PANI.EHZ. | 2021-09-02T11:31:08.07 | 3.0 | undecidable | manual | Sn | -0.61 | 0 | |||
IT.FIE.HGZ. | 2021-09-02T11:30:58.47 | 3.0 | undecidable | manual | Sg | -4.42 | 0 | |||
IV.ROVR.HHZ. | 2021-09-02T11:30:52.71 | 3.0 | undecidable | manual | Sn | -8.05 | 0 | |||
IV.NDIM.HNZ. | 2021-09-02T11:30:49.87 | 3.0 | undecidable | manual | Sg | -3.78 | 0 | |||
IV.TOLF.HHZ. | 2021-09-02T11:30:48.69 | 3.0 | undecidable | manual | Pg | 7.22 | 0 | |||
GU.GSCL.HHZ. | 2021-09-02T11:30:44.76 | 3.0 | undecidable | manual | Sg | -3.43 | 0 | |||
IV.BRSN.EHZ. | 2021-09-02T11:30:35.02 | 3.0 | positive | manual | Pg | 4.19 | 0 | |||
SI.ABSI.HHZ. | 2021-09-02T11:30:30.32 | 3.0 | positive | manual | Pn | -1.85 | 0 | |||
IV.TREG.EHZ. | 2021-09-02T11:30:24.00 | 3.0 | undecidable | manual | Pn | 0.57 | 0 | |||
IV.MRGE.HHZ. | 2021-09-02T11:30:02.95 | 3.0 | undecidable | manual | Pn | 4.52 | 0 | |||
IV.QLNO.HHZ. | 2021-09-02T11:29:55.56 | 3.0 | undecidable | manual | S | -9.99 | 0 | |||
IV.SARZ.HHZ. | 2021-09-02T11:29:54.54 | 3.0 | positive | manual | P | -5.45 | 0 | |||
GU.RRL.HHZ. | 2021-09-02T11:29:53.96 | 3.0 | positive | manual | P | 9.44 | 0 | |||
GU.BURY.HHZ. | 2021-09-02T11:29:50.99 | 3.0 | negative | manual | P | -0.97 | 0 | |||
GU.RORO.HHZ. | 2021-09-02T11:29:45.95 | 3.0 | positive | manual | P | -5.79 | 0 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SFI.EHE. | ML:1.1 | 0.00017299999999999998 | 0.34 | AML | other | m | 2021-09-02T11:31:17.41 |
IV.LMD.HHE. | ML:1.1 | 0.000162 | 0.66 | AML | other | m | 2021-09-02T11:31:17.27 |
IV.SFI.EHN. | ML:1.2 | 0.0002175 | 0.08 | AML | other | m | 2021-09-02T11:31:17.41 |
IV.LMD.HHN. | ML:1.0 | 0.000122 | 0.58 | AML | other | m | 2021-09-02T11:31:17.67 |
IV.ASQU.HHE. | ML:1.0 | 0.00007485 | 0.2 | AML | other | m | 2021-09-02T11:31:20.98 |
IV.ASQU.HHN. | ML:0.9 | 0.00004815 | 1.46 | AML | other | m | 2021-09-02T11:31:24.90 |