A magnitude ML 1.3 earthquake occured in region: 1 km NW Premilcuore (FC), on
and geographic coordinates (lat, lon) 43.9850, 11.7680 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 | 5 | 756 | 1555 |
Rocca San Casciano | FC | 11 | 1910 | 3465 |
Tredozio | FC | 11 | 1212 | 4677 |
Galeata | FC | 12 | 2516 | 7193 |
Santa Sofia | FC | 12 | 4136 | 11329 |
San Godenzo | FI | 14 | 1167 | 12496 |
Civitella di Romagna | FC | 14 | 3786 | 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 1.3 | 2021-09-24 02:28:13 |
43.9852 | 11.7682 | 9 | 2021-09-24 02:32:43 |
Sala Sismica INGV-Roma | 95806311 |
Field | Value |
---|---|
Time (UTC) | 2021-09-24 02:28:13 ± 0.08 |
Latitude | 43.9852 ± 0.0036 |
Longitude | 11.7682 ± 0.0062 |
Depth (km) | 9 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 95806311 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 539 |
Semi-minor axis of confidence ellipse (meter) | 143 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 63 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 540.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 135 |
Number of associated phases, regardless of their use for origin computation | 20 |
Number of defining phases | 20 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.27 |
Epicentral distance of station closest to the epicenter (degree) | 0.09803 |
Epicentral distance of station farthest from the epicenter (degree) | 0.47754 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.3 |
Num. used stations | 18 |
Type of magnitude | ML |
Reference to an origin | 95806311 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-09-24 02:32:43 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.PARC.HHZ. | 2021-09-24T02:28:30.40 | 0.1 | undecidable | manual | S | 135 | 53.0025 | 50 | -0.07 | 93 |
IV.CRE.HHZ. | 2021-09-24T02:28:27.99 | 0.1 | undecidable | manual | S | 160 | 43.2234 | 50 | 0.14 | 91 |
IV.SEI.HHZ. | 2021-09-24T02:28:25.28 | 0.1 | undecidable | manual | S | 283 | 33.5442 | 50 | 0.01 | 96 |
IV.VISG.HHZ. | 2021-09-24T02:28:25.35 | 0.1 | undecidable | manual | S | 310 | 34.9428 | 50 | -0.28 | 92 |
IV.BOSL.HHZ. | 2021-09-24T02:28:25.21 | 0.1 | undecidable | manual | S | 259 | 32.0457 | 105 | 0.39 | 90 |
IV.BRIS.HHZ. | 2021-09-24T02:28:23.80 | 0.1 | undecidable | manual | S | 360 | 26.5512 | 108 | 0.8 | 78 |
IV.PARC.HHZ. | 2021-09-24T02:28:22.98 | 0.6 | positive | manual | P | 135 | 53.0025 | 50 | -0.23 | 45 |
IV.RUFI.EHZ. | 2021-09-24T02:28:22.98 | 0.1 | undecidable | manual | S | 232 | 26.3514 | 108 | 0.05 | 98 |
IV.CRE.HHZ. | 2021-09-24T02:28:21.40 | 0.3 | undecidable | manual | P | 160 | 43.2234 | 50 | -0.3 | 68 |
IV.ASQU.HHZ. | 2021-09-24T02:28:21.30 | 0.1 | undecidable | manual | S | 175 | 20.9679 | 112 | 0.12 | 97 |
IV.BOSL.HHZ. | 2021-09-24T02:28:20.02 | 0.6 | positive | manual | P | 259 | 32.0457 | 105 | 0.07 | 48 |
IV.SEI.HHZ. | 2021-09-24T02:28:20.06 | 0.1 | positive | manual | P | 283 | 33.5442 | 50 | -0.16 | 94 |
IV.VISG.HHZ. | 2021-09-24T02:28:20.23 | 1.0 | negative | manual | P | 310 | 34.9428 | 50 | -0.19 | 23 |
IV.BRIS.HHZ. | 2021-09-24T02:28:19.07 | 0.1 | positive | manual | P | 360 | 26.5512 | 108 | 0.17 | 95 |
IV.RUFI.EHZ. | 2021-09-24T02:28:18.93 | 0.1 | positive | manual | P | 232 | 26.3514 | 108 | 0.07 | 97 |
IV.SFI.EHZ. | 2021-09-24T02:28:18.05 | 0.1 | undecidable | manual | S | 145 | 10.878 | 128 | -0.09 | 98 |
IV.ASQU.HHZ. | 2021-09-24T02:28:17.93 | 0.1 | positive | manual | P | 175 | 20.9679 | 112 | 0.08 | 98 |
IV.LMD.HHZ. | 2021-09-24T02:28:17.76 | 0.1 | undecidable | manual | S | 335 | 11.3775 | 127 | -0.49 | 89 |
IV.SFI.EHZ. | 2021-09-24T02:28:16.08 | 0.1 | positive | manual | P | 145 | 10.878 | 128 | -0.02 | 100 |
IV.LMD.HHZ. | 2021-09-24T02:28:15.94 | 0.1 | positive | manual | P | 335 | 11.3775 | 127 | -0.22 | 96 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.LMD.HHE. | ML:1.4 | 0.00035099999999999997 | 1.28 | AML | other | m | 2021-09-24T02:28:18.11 |
IV.SFI.HNN. | ML:1.4 | 0.000352 | 0.42 | AML | other | m | 2021-09-24T02:28:18.19 |
IV.SFI.EHN. | ML:1.4 | 0.00032900000000000003 | 0.42 | AML | other | m | 2021-09-24T02:28:18.19 |
IV.SFI.HNE. | ML:1.4 | 0.00036899999999999997 | 0.1 | AML | other | m | 2021-09-24T02:28:18.24 |
IV.SFI.EHE. | ML:1.5 | 0.0003845 | 0.08 | AML | other | m | 2021-09-24T02:28:18.25 |
IV.LMD.HHN. | ML:1.3 | 0.00025550000000000003 | 0.98 | AML | other | m | 2021-09-24T02:28:18.47 |
IV.ASQU.HHE. | ML:1.1 | 0.0000995 | 1.34 | AML | other | m | 2021-09-24T02:28:22.88 |
IV.BRIS.HHE. | ML:1.8 | 0.000357 | 0.36 | AML | other | m | 2021-09-24T02:28:23.93 |
IV.BRIS.HHN. | ML:1.6 | 0.00023299999999999997 | 0.44 | AML | other | m | 2021-09-24T02:28:24.26 |
IV.ASQU.HHN. | ML:1.1 | 0.00008710000000000002 | 0.82 | AML | other | m | 2021-09-24T02:28:24.45 |
IV.BOSL.HHN. | ML:1.0 | 0.00005 | 1.6 | AML | other | m | 2021-09-24T02:28:25.84 |
IV.SEI.HHN. | ML:1.8 | 0.0002455 | 1.64 | AML | other | m | 2021-09-24T02:28:26.84 |
IV.SEI.HHE. | ML:1.5 | 0.0001255 | 0.24 | AML | other | m | 2021-09-24T02:28:26.03 |
IV.BOSL.HHE. | ML:0.9 | 0.0000329 | 1.34 | AML | other | m | 2021-09-24T02:28:26.09 |
IV.VISG.HHN. | ML:0.8 | 0.000025399999999999997 | 0.58 | AML | other | m | 2021-09-24T02:28:27.42 |
IV.CRE.HHN. | ML:1.4 | 0.00007535 | 0.34 | AML | other | m | 2021-09-24T02:28:28.21 |
IV.VISG.HHE. | ML:0.6 | 0.00001385 | 1.54 | AML | other | m | 2021-09-24T02:28:28.20 |
IV.CRE.HHE. | ML:0.9 | 0.00002565 | 0.54 | AML | other | m | 2021-09-24T02:28:29.85 |