A magnitude ML 1.5 earthquake occured in region: 1 km NW Premilcuore (FC), on
and geographic coordinates (lat, lon) 43.9830, 11.7710 at 8 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 |
---|---|---|---|---|
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 | 11 | 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 | 20 | 4560 | 25634 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.5 | 2021-09-08 07:51:50 |
43.983 | 11.7707 | 8 | 2022-03-30 13:04:31 |
Bollettino Sismico Italiano INGV | 99866791 |
Reviewed Rev100 |
ML 1.5 | 2021-09-08 07:51:50 |
43.9777 | 11.7632 | 9 | 2021-09-08 07:58:22 |
Sala Sismica INGV-Roma | 95188821 |
Field | Value |
---|---|
Time (UTC) | 2021-09-08 07:51:50 ± 0.09 |
Latitude | 43.9830 ± 0.0045 |
Longitude | 11.7707 ± 0.0062 |
Depth (km) | 8 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 99866791 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 489 |
Semi-minor axis of confidence ellipse (meter) | 293 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 55 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 490.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 146 |
Number of associated phases, regardless of their use for origin computation | 24 |
Number of defining phases | 24 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.25 |
Epicentral distance of station closest to the epicenter (degree) | 0.09533 |
Epicentral distance of station farthest from the epicenter (degree) | 0.66820 |
Number of stations at which the event was observed | 13 |
Number of stations from which data was used for origin computation | 13 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | 0.3 |
Num. used stations | 26 |
Type of magnitude | ML |
Reference to an origin | 99866791 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2022-02-24 00:08:34 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | 0.3 |
Num. used stations | 26 |
Type of magnitude | ML |
Reference to an origin | 95188821 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-09-08 07:58:22 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CRMI.HHZ. | 2021-09-08T07:52:11.76 | 0.6 | undecidable | manual | S | 252 | 66.5778 | 50 | 0.58 | 40 |
IV.MPPT.EHZ. | 2021-09-08T07:52:08.22 | 0.6 | undecidable | manual | S | 267 | 54.4011 | 50 | 0.3 | 44 |
IV.MOCL.EHZ. | 2021-09-08T07:52:06.09 | 0.6 | undecidable | manual | S | 273 | 47.1195 | 50 | 0.1 | 47 |
IV.CRE.HHZ. | 2021-09-08T07:52:04.64 | 0.6 | undecidable | manual | S | 160 | 42.9237 | 50 | -0.22 | 46 |
IV.CAFI.HHZ. | 2021-09-08T07:52:03.91 | 0.3 | undecidable | manual | P | 168 | 74.1702 | 50 | 0.44 | 62 |
IV.VISG.HHZ. | 2021-09-08T07:52:02.55 | 0.6 | undecidable | manual | S | 311 | 35.2425 | 102 | -0.1 | 48 |
IV.SEI.HHZ. | 2021-09-08T07:52:02.19 | 0.6 | undecidable | manual | S | 284 | 33.8439 | 103 | 0.01 | 49 |
IV.CRMI.HHZ. | 2021-09-08T07:52:02.37 | 0.3 | undecidable | manual | P | 252 | 66.5778 | 50 | 0.08 | 68 |
IV.BOSL.HHZ. | 2021-09-08T07:52:01.96 | 0.6 | undecidable | manual | S | 260 | 32.1456 | 103 | 0.34 | 45 |
IV.MPPT.EHZ. | 2021-09-08T07:52:00.22 | 0.3 | undecidable | manual | P | 267 | 54.4011 | 50 | -0.19 | 90 |
IV.BRIS.HHZ. | 2021-09-08T07:52:00.36 | 0.6 | undecidable | manual | S | 359 | 26.751 | 106 | 0.54 | 44 |
IV.MOCL.EHZ. | 2021-09-08T07:51:59.08 | 0.3 | undecidable | manual | P | 273 | 47.1195 | 50 | -0.22 | 68 |
IV.IMOL.EHE. | 2021-09-08T07:51:59.02 | 0.6 | undecidable | manual | P | 357 | 41.8248 | 50 | 0.54 | 43 |
IV.RUFI.EHZ. | 2021-09-08T07:51:59.81 | 0.6 | undecidable | manual | S | 232 | 26.3514 | 106 | 0.14 | 48 |
IV.ASQU.HHZ. | 2021-09-08T07:51:58.00 | 0.6 | undecidable | manual | S | 176 | 20.7681 | 110 | 0.19 | 48 |
IV.CRE.HHZ. | 2021-09-08T07:51:58.10 | 0.3 | positive | manual | P | 160 | 42.9237 | 50 | -0.55 | 85 |
IV.VISG.HHZ. | 2021-09-08T07:51:57.00 | 0.3 | undecidable | manual | P | 311 | 35.2425 | 102 | -0.38 | 67 |
IV.BOSL.HHZ. | 2021-09-08T07:51:56.67 | 0.1 | positive | manual | P | 260 | 32.1456 | 103 | -0.11 | 96 |
IV.SEI.HHZ. | 2021-09-08T07:51:56.72 | 0.1 | positive | manual | P | 284 | 33.8439 | 103 | -0.38 | 90 |
IV.RUFI.EHZ. | 2021-09-08T07:51:55.59 | 0.1 | positive | manual | P | 232 | 26.3514 | 106 | -0.06 | 97 |
IV.BRIS.HHZ. | 2021-09-08T07:51:55.70 | 0.3 | undecidable | manual | P | 359 | 26.751 | 106 | -0.04 | 73 |
IV.SFI.EHZ. | 2021-09-08T07:51:54.81 | 0.6 | undecidable | manual | S | 145 | 10.5783 | 125 | 0.14 | 49 |
IV.ASQU.HHZ. | 2021-09-08T07:51:54.64 | 0.1 | positive | manual | P | 176 | 20.7681 | 110 | 0.06 | 98 |
IV.SFI.EHZ. | 2021-09-08T07:51:52.83 | 0.6 | positive | manual | P | 145 | 10.5783 | 125 | 0.06 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SFI.EHN. | ML:1.7 | 0.0006485000000000001 | 1.84 | AML | other | m | 2021-09-08T07:51:54.93 |
IV.SFI.HNN. | ML:1.7 | 0.0006580000000000001 | 1.84 | AML | other | m | 2021-09-08T07:51:54.93 |
IV.SFI.HNE. | ML:1.7 | 0.0006979999999999999 | 1.92 | AML | other | m | 2021-09-08T07:51:54.99 |
IV.SFI.EHE. | ML:1.7 | 0.0007054741499999999 | 1.9168 | AML | other | m | 2021-09-08T07:51:54.99 |
IV.ASQU.HHE. | ML:1.7 | 0.00036250000000000003 | 0.18 | AML | other | m | 2021-09-08T07:51:58.59 |
IV.ASQU.HHN. | ML:1.4 | 0.000182 | 0.52 | AML | other | m | 2021-09-08T07:51:59.03 |
IV.RUFI.EHE. | ML:1.1 | 0.00008183 | 0.88 | AML | other | m | 2021-09-08T07:52:00.81 |
IV.RUFI.EHN. | ML:1.3 | 0.0001215 | 0.28 | AML | other | m | 2021-09-08T07:52:00.24 |
IV.BRIS.HHE. | ML:2.0 | 0.000628 | 0.36 | AML | other | m | 2021-09-08T07:52:00.63 |
IV.BRIS.HHN. | ML:1.9 | 0.00046950000000000003 | 0.26 | AML | other | m | 2021-09-08T07:52:01.36 |
IV.BOSL.HHN. | ML:1.4 | 0.000113 | 0.36 | AML | other | m | 2021-09-08T07:52:02.50 |
IV.SEI.HHN. | ML:2.1 | 0.00062 | 0.32 | AML | other | m | 2021-09-08T07:52:02.67 |
IV.SEI.HHE. | ML:1.9 | 0.0003675 | 0.46 | AML | other | m | 2021-09-08T07:52:02.68 |
IV.BOSL.HHE. | ML:1.2 | 0.00007405000000000001 | 0.66 | AML | other | m | 2021-09-08T07:52:02.41 |
IV.VISG.HHN. | ML:1.0 | 0.0000447 | 0.66 | AML | other | m | 2021-09-08T07:52:03.14 |
IV.CRE.HHN. | ML:1.8 | 0.0001965 | 1.66 | AML | other | m | 2021-09-08T07:52:05.11 |
IV.VISG.HHE. | ML:0.9 | 0.0000276 | 0.3 | AML | other | m | 2021-09-08T07:52:05.63 |
IV.CRE.HHE. | ML:1.3 | 0.00005785 | 0.52 | AML | other | m | 2021-09-08T07:52:06.32 |
IV.MOCL.EHN. | ML:1.5 | 0.00008444999999999999 | 0.9 | AML | other | m | 2021-09-08T07:52:06.44 |
IV.MOCL.EHE. | ML:1.4 | 0.00007569999999999998 | 1.04 | AML | other | m | 2021-09-08T07:52:06.88 |
IV.MPPT.EHN. | ML:1.4 | 0.0000673 | 0.86 | AML | other | m | 2021-09-08T07:52:08.91 |
IV.MPPT.EHE. | ML:1.2 | 0.000034750000000000004 | 0.42 | AML | other | m | 2021-09-08T07:52:11.46 |
IV.CRMI.HHN. | ML:1.4 | 0.00005085 | 0.7 | AML | other | m | 2021-09-08T07:52:12.10 |
IV.CRMI.HHE. | ML:1.0 | 0.0000197 | 0.32 | AML | other | m | 2021-09-08T07:52:12.80 |
IV.CAFI.HHE. | ML:1.2 | 0.00002495 | 1.04 | AML | other | m | 2021-09-08T07:52:16.88 |
IV.CAFI.HHN. | ML:1.2 | 0.000022800000000000002 | 0.94 | AML | other | m | 2021-09-08T07:52:20.24 |