A magnitude ML 0.9 earthquake occured in region: 4 km W Sassoferrato (AN), on
and geographic coordinates (lat, lon) 43.4480, 12.8170 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 |
---|---|---|---|---|
Sassoferrato | AN | 4 | 7285 | 7285 |
Serra Sant'Abbondio | PU | 6 | 1027 | 8312 |
Frontone | PU | 10 | 1300 | 9612 |
Genga | AN | 10 | 1797 | 11409 |
Arcevia | AN | 12 | 4612 | 16021 |
Costacciaro | PG | 13 | 1216 | 17237 |
Scheggia e Pascelupo | PG | 13 | 1393 | 18630 |
Pergola | PU | 13 | 6333 | 24963 |
Sigillo | PG | 14 | 2404 | 27367 |
Fabriano | AN | 14 | 31480 | 58847 |
Cantiano | PU | 16 | 2245 | 61092 |
Serra San Quirico | AN | 16 | 2850 | 63942 |
Fossato di Vico | PG | 18 | 2840 | 66782 |
Cagli | PU | 18 | 8731 | 75513 |
Mergo | AN | 18 | 1037 | 76550 |
Cerreto d'Esi | AN | 20 | 3817 | 80367 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2021-02-25 06:12:19 |
43.4478 | 12.8167 | 8 | 2021-02-25 06:18:42 |
Sala Sismica INGV-Roma | 87473511 |
Field | Value |
---|---|
Time (UTC) | 2021-02-25 06:12:19 ± 0.12 |
Latitude | 43.4478 ± 0.0027 |
Longitude | 12.8167 ± 0.0050 |
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 | 87473511 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 379 |
Semi-minor axis of confidence ellipse (meter) | 52 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 285 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 380.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 134 |
Number of associated phases, regardless of their use for origin computation | 19 |
Number of defining phases | 14 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.18 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.22213 |
Number of stations at which the event was observed | 12 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.2 |
Num. used stations | 14 |
Type of magnitude | ML |
Reference to an origin | 87473511 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-02-25 06:18:42 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.PARC.HHZ. | 2021-02-25T06:12:37.07 | 3.0 | undecidable | manual | S | 0.15 | 0 | |||
IV.EL6.EHZ. | 2021-02-25T06:12:28.66 | 3.0 | undecidable | manual | S | -0.24 | 0 | |||
IV.ATFO.HHZ. | 2021-02-25T06:12:27.51 | 0.3 | undecidable | manual | S | 246 | 21.6672 | 110 | 0.29 | 69 |
IV.PIEI.HHZ. | 2021-02-25T06:12:27.95 | 0.1 | undecidable | manual | S | 293 | 24.6531 | 108 | -0.24 | 93 |
IV.MPAG.EHZ. | 2021-02-25T06:12:27.12 | 0.3 | undecidable | manual | S | 347 | 20.6682 | 111 | 0.24 | 70 |
IV.ATPI.EHZ. | 2021-02-25T06:12:26.07 | 3.0 | positive | manual | P | -0.04 | 0 | |||
IV.FOSV.EHZ. | 2021-02-25T06:12:25.89 | 0.1 | undecidable | manual | S | 195 | 17.5713 | 115 | 0.01 | 99 |
IV.MURB.HHZ. | 2021-02-25T06:12:25.75 | 3.0 | negative | manual | P | 0.05 | 0 | |||
IV.NARO.HHZ. | 2021-02-25T06:12:24.75 | 3.0 | undecidable | manual | P | -0.03 | 0 | |||
IV.FRON.EHZ. | 2021-02-25T06:12:23.91 | 0.1 | undecidable | manual | S | 317 | 10.6782 | 127 | 0.09 | 98 |
IV.MPAG.EHZ. | 2021-02-25T06:12:23.68 | 0.1 | undecidable | manual | P | 347 | 20.6682 | 111 | 0.05 | 97 |
IV.ARVD.HHZ. | 2021-02-25T06:12:23.93 | 0.3 | undecidable | manual | S | 61 | 11.4774 | 125 | -0.13 | 73 |
IV.ATFO.HHZ. | 2021-02-25T06:12:23.81 | 0.3 | undecidable | manual | P | 246 | 21.6672 | 110 | -0.01 | 73 |
IV.PIEI.HHZ. | 2021-02-25T06:12:23.97 | 0.3 | undecidable | manual | P | 293 | 24.6531 | 108 | -0.42 | 67 |
IV.FOSV.EHZ. | 2021-02-25T06:12:23.08 | 0.1 | undecidable | manual | P | 195 | 17.5713 | 115 | 0.03 | 98 |
IV.ARVD.HHZ. | 2021-02-25T06:12:22.00 | 0.1 | undecidable | manual | P | 61 | 11.4774 | 125 | 0 | 100 |
IV.SSFR.HHZ. | 2021-02-25T06:12:22.06 | 0.1 | undecidable | manual | S | 245 | 3.0969 | 159 | -0.11 | 99 |
IV.FRON.EHZ. | 2021-02-25T06:12:21.98 | 0.1 | undecidable | manual | P | 317 | 10.6782 | 127 | 0.12 | 98 |
IV.SSFR.HHZ. | 2021-02-25T06:12:20.99 | 0.1 | undecidable | manual | P | 245 | 3.0969 | 159 | 0.08 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.FRON.EHE. | ML:0.8 | 0.00007755 | 0.56 | AML | other | m | 2021-02-25T06:12:24.03 |
IV.ARVD.HHN. | ML:1.0 | 0.000118 | 0.14 | AML | other | m | 2021-02-25T06:12:24.22 |
IV.ARVD.HHE. | ML:1.0 | 0.000145 | 0.76 | AML | other | m | 2021-02-25T06:12:24.01 |
IV.FRON.EHN. | ML:0.9 | 0.00011030000000000001 | 0.26 | AML | other | m | 2021-02-25T06:12:24.81 |
IV.FOSV.EHE. | ML:0.7 | 0.00004305 | 1.82 | AML | other | m | 2021-02-25T06:12:25.99 |
IV.FOSV.EHN. | ML:0.7 | 0.000039800000000000005 | 0.44 | AML | other | m | 2021-02-25T06:12:26.04 |
IV.MPAG.EHE. | ML:0.7 | 0.00004185 | 0.42 | AML | other | m | 2021-02-25T06:12:27.52 |
IV.MPAG.EHN. | ML:0.7 | 0.0000395 | 0.48 | AML | other | m | 2021-02-25T06:12:27.55 |
IV.ATFO.HHN. | ML:0.8 | 0.0000504 | 0.42 | AML | other | m | 2021-02-25T06:12:27.47 |
IV.PIEI.HHN. | ML:0.8 | 0.000034099999999999995 | 0.4 | AML | other | m | 2021-02-25T06:12:28.44 |
IV.PIEI.HHE. | ML:1.0 | 0.0000658 | 0.38 | AML | other | m | 2021-02-25T06:12:28.32 |
IV.ATFO.HHE. | ML:1.0 | 0.0000646 | 0.48 | AML | other | m | 2021-02-25T06:12:29.55 |
IV.MURB.HHE. | ML:1.3 | 0.00010045000000000002 | 0.28 | AML | other | m | 2021-02-25T06:12:31.26 |
IV.MURB.HHN. | ML:1.3 | 0.0000829 | 0.22 | AML | other | m | 2021-02-25T06:12:31.42 |