A magnitude ML 1.1 earthquake occured in region: 4 km SW Valfabbrica (PG), on
and geographic coordinates (lat, lon) 43.1300, 12.5720 at 10 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 |
---|---|---|---|---|
Valfabbrica | PG | 4 | 3389 | 3389 |
Bastia Umbra | PG | 7 | 21874 | 25263 |
Assisi | PG | 7 | 28299 | 53562 |
Bettona | PG | 15 | 4367 | 57929 |
Cannara | PG | 15 | 4305 | 62234 |
Perugia | PG | 15 | 166134 | 228368 |
Torgiano | PG | 16 | 6725 | 235093 |
Valtopina | PG | 17 | 1398 | 236491 |
Spello | PG | 17 | 8645 | 245136 |
Nocera Umbra | PG | 18 | 5839 | 250975 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.1 | 2021-02-18 09:13:56 |
43.1303 | 12.5722 | 10 | 2021-07-12 16:55:06 |
Bollettino Sismico Italiano INGV | 89217501 |
Reviewed Rev100 |
ML 1.1 | 2021-02-18 09:13:55 |
43.11 | 12.522 | 14 | 2021-02-18 09:21:38 |
Sala Sismica INGV-Roma | 87270141 |
Field | Value |
---|---|
Time (UTC) | 2021-02-18 09:13:56 ± 0.2 |
Latitude | 43.1303 ± 0.0099 |
Longitude | 12.5722 ± 0.0185 |
Depth (km) | 10 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 89217501 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1751 |
Semi-minor axis of confidence ellipse (meter) | 528 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 239 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1750.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 183 |
Number of associated phases, regardless of their use for origin computation | 18 |
Number of defining phases | 14 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.32 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.30487 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.2 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 89217501 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-04-18 16:14:06 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.2 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 87270141 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-02-18 09:21:38 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.RIBO.EHZ.01 | 2021-02-18T09:14:32.26 | 3.0 | undecidable | manual | S | -0.38 | 0 | |||
IV.PTRJ.HHZ. | 2021-02-18T09:14:30.89 | 3.0 | undecidable | manual | Pn | 1.03 | 0 | |||
IV.BRSN.EHZ. | 2021-02-18T09:14:16.20 | 3.0 | negative | manual | P | 0.48 | 0 | |||
IV.ATSC.EHE. | 2021-02-18T09:14:08.14 | 0.6 | undecidable | manual | S | 16 | 33.8439 | 50 | 0.04 | 48 |
IV.MML1.HNE. | 2021-02-18T09:14:08.24 | 0.6 | undecidable | manual | S | 93 | 32.4453 | 50 | 0.52 | 43 |
IV.CESI.HHZ. | 2021-02-18T09:14:06.16 | 0.3 | undecidable | manual | S | 117 | 30.3474 | 50 | -1 | 53 |
IV.PE3.EHZ. | 2021-02-18T09:14:05.33 | 3.0 | undecidable | manual | P | 0.17 | 0 | |||
IV.ATLO.EHE. | 2021-02-18T09:14:05.20 | 0.6 | undecidable | manual | S | 327 | 24.4533 | 112 | -0.37 | 45 |
IV.MML1.HNE. | 2021-02-18T09:14:03.03 | 0.3 | undecidable | manual | P | 93 | 32.4453 | 50 | 0.1 | 71 |
IV.ATSC.EHE. | 2021-02-18T09:14:03.62 | 0.3 | undecidable | manual | P | 16 | 33.8439 | 50 | 0.47 | 65 |
IV.MURB.HHZ. | 2021-02-18T09:14:02.72 | 0.6 | undecidable | manual | S | 345 | 15.1737 | 124 | 0 | 49 |
IV.CESI.HHZ. | 2021-02-18T09:14:02.58 | 0.1 | undecidable | manual | P | 117 | 30.3474 | 50 | -0.03 | 96 |
IV.ATLO.EHE. | 2021-02-18T09:14:01.49 | 0.3 | undecidable | manual | P | 327 | 24.4533 | 112 | -0.2 | 70 |
IV.ASSB.HHZ. | 2021-02-18T09:14:01.99 | 0.6 | undecidable | manual | S | 144 | 11.9769 | 130 | 0.16 | 48 |
IV.MURB.HHZ. | 2021-02-18T09:14:00.21 | 0.3 | undecidable | manual | P | 345 | 15.1737 | 124 | 0.17 | 72 |
IV.ATCC.EHZ. | 2021-02-18T09:14:00.55 | 0.6 | undecidable | manual | S | 42 | 8.1807 | 141 | -0.35 | 47 |
IV.ATCC.EHZ. | 2021-02-18T09:13:59.00 | 0.1 | undecidable | manual | P | 42 | 8.1807 | 141 | 0.01 | 100 |
IV.ASSB.HHZ. | 2021-02-18T09:13:59.81 | 0.3 | undecidable | manual | P | 144 | 11.9769 | 130 | 0.28 | 70 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.ATCC.EHN. | ML:1.2 | 0.00025 | 1.66 | AML | other | m | 2021-02-18T09:14:00.16 |
IV.ATCC.EHE. | ML:1.2 | 0.00021300000000000003 | 0.24 | AML | other | m | 2021-02-18T09:14:01.00 |
IV.ASSB.HHE. | ML:0.6 | 0.00004095 | 1.04 | AML | other | m | 2021-02-18T09:14:02.34 |
IV.ASSB.HHN. | ML:0.6 | 0.00004685 | 1.04 | AML | other | m | 2021-02-18T09:14:03.42 |
IV.MURB.HHN. | ML:1.0 | 0.0000937 | 0.36 | AML | other | m | 2021-02-18T09:14:04.19 |
IV.MURB.HHE. | ML:1.0 | 0.00010674999999999999 | 0.34 | AML | other | m | 2021-02-18T09:14:04.67 |
IV.MOMA.HHE. | ML:1.3 | 0.0000678 | 0.46 | AML | other | m | 2021-02-18T09:14:04.84 |
IV.MOMA.HHN. | ML:1.0 | 0.00004195 | 0.82 | AML | other | m | 2021-02-18T09:14:05.04 |
IV.CESI.HHE. | ML:0.9 | 0.00003325 | 0.78 | AML | other | m | 2021-02-18T09:14:06.39 |
IV.CESI.HHN. | ML:1.0 | 0.0000525 | 0.16 | AML | other | m | 2021-02-18T09:14:06.49 |
IV.NRCA.HHN. | ML:1.4 | 0.0000525 | 1.08 | AML | other | m | 2021-02-18T09:14:08.56 |
IV.NRCA.HHE. | ML:1.2 | 0.000041800000000000006 | 0.92 | AML | other | m | 2021-02-18T09:14:09.58 |