A magnitude ML 0.8 earthquake occured in region: 3 km S Assisi (PG), on
and geographic coordinates (lat, lon) 43.0450, 12.6260 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 |
---|---|---|---|---|
Assisi | PG | 3 | 28299 | 28299 |
Cannara | PG | 6 | 4305 | 32604 |
Bastia Umbra | PG | 7 | 21874 | 54478 |
Spello | PG | 7 | 8645 | 63123 |
Valtopina | PG | 11 | 1398 | 64521 |
Foligno | PG | 12 | 57155 | 121676 |
Bettona | PG | 12 | 4367 | 126043 |
Bevagna | PG | 12 | 5081 | 131124 |
Valfabbrica | PG | 13 | 3389 | 134513 |
Nocera Umbra | PG | 15 | 5839 | 140352 |
Torgiano | PG | 16 | 6725 | 147077 |
Gualdo Cattaneo | PG | 16 | 6155 | 153232 |
Montefalco | PG | 17 | 5679 | 158911 |
Deruta | PG | 18 | 9669 | 168580 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.8 | 2021-02-22 02:01:55 |
43.045 | 12.6262 | 9 | 2021-02-22 02:06:14 |
Sala Sismica INGV-Roma | 87367991 |
Field | Value |
---|---|
Time (UTC) | 2021-02-22 02:01:55 ± 0.1 |
Latitude | 43.0450 ± 0.0036 |
Longitude | 12.6262 ± 0.0098 |
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 | 87367991 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 772 |
Semi-minor axis of confidence ellipse (meter) | 320 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 82 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 770.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 123 |
Number of associated phases, regardless of their use for origin computation | 14 |
Number of defining phases | 14 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.2 |
Epicentral distance of station closest to the epicenter (degree) | 0.02428 |
Epicentral distance of station farthest from the epicenter (degree) | 0.34084 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 0.8 |
Uncertainty | 0.3 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 87367991 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-02-22 02:06:14 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MOMA.HHZ. | 2021-02-22T02:02:05.26 | 0.3 | undecidable | manual | S | 190 | 27.1506 | 109 | 0.09 | 71 |
IV.MURB.HHZ. | 2021-02-22T02:02:04.84 | 0.3 | undecidable | manual | S | 341 | 25.5522 | 110 | 0.19 | 70 |
IV.CESI.HHZ. | 2021-02-22T02:02:03.71 | 0.6 | undecidable | manual | S | 101 | 23.0547 | 112 | -0.12 | 47 |
IV.ATVA.EHZ. | 2021-02-22T02:02:02.55 | 0.6 | undecidable | manual | P | 313 | 37.8288 | 50 | -0.12 | 46 |
IV.ATLO.HNZ. | 2021-02-22T02:02:01.94 | 0.1 | undecidable | manual | P | 329 | 34.8429 | 50 | -0.26 | 90 |
IV.ATCC.EHZ. | 2021-02-22T02:02:01.65 | 0.3 | undecidable | manual | S | 4 | 15.5733 | 121 | 0.13 | 72 |
IV.MOMA.HHZ. | 2021-02-22T02:02:00.85 | 0.6 | undecidable | manual | P | 190 | 27.1506 | 109 | -0.11 | 47 |
IV.CESI.HHZ. | 2021-02-22T02:02:00.36 | 1.0 | undecidable | manual | P | 101 | 23.0547 | 112 | 0.17 | 23 |
IV.MURB.HHZ. | 2021-02-22T02:02:00.75 | 1.0 | negative | manual | P | 341 | 25.5522 | 110 | 0.09 | 24 |
IT.FOPC.HGN. | 2021-02-22T02:02:00.29 | 0.3 | undecidable | manual | S | 143 | 10.3785 | 132 | 0.21 | 71 |
IV.ATCC.EHZ. | 2021-02-22T02:01:59.00 | 0.1 | positive | manual | P | 4 | 15.5733 | 121 | 0.15 | 95 |
IT.FOPC.HGN. | 2021-02-22T02:01:58.24 | 0.1 | undecidable | manual | P | 143 | 10.3785 | 132 | 0.22 | 95 |
IV.ASSB.HHZ. | 2021-02-22T02:01:58.14 | 0.1 | undecidable | manual | S | 96 | 2.6973 | 164 | -0.46 | 91 |
IV.ASSB.HHZ. | 2021-02-22T02:01:57.14 | 0.1 | undecidable | manual | P | 96 | 2.6973 | 164 | -0.03 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.ATCC.EHN. | ML:0.5 | 0.000028149999999999996 | 1.54 | AML | other | m | 2021-02-22T02:02:01.15 |
IV.ATCC.EHE. | ML:0.7 | 0.000047149999999999994 | 0.5 | AML | other | m | 2021-02-22T02:02:02.87 |
IV.MURB.HHE. | ML:1.1 | 0.00007615 | 0.28 | AML | other | m | 2021-02-22T02:02:05.56 |
IV.MURB.HHN. | ML:1.0 | 0.0000622 | 0.4 | AML | other | m | 2021-02-22T02:02:06.20 |