A magnitude ML 1.1 earthquake occured in region: 3 km SW Assisi (PG), on
and geographic coordinates (lat, lon) 43.0470, 12.6030 at 6 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 |
Bastia Umbra | PG | 5 | 21874 | 50173 |
Cannara | PG | 6 | 4305 | 54478 |
Spello | PG | 8 | 8645 | 63123 |
Bettona | PG | 10 | 4367 | 67490 |
Valtopina | PG | 12 | 1398 | 68888 |
Bevagna | PG | 13 | 5081 | 73969 |
Valfabbrica | PG | 13 | 3389 | 77358 |
Foligno | PG | 13 | 57155 | 134513 |
Torgiano | PG | 14 | 6725 | 141238 |
Gualdo Cattaneo | PG | 16 | 6155 | 147393 |
Deruta | PG | 16 | 9669 | 157062 |
Nocera Umbra | PG | 17 | 5839 | 162901 |
Montefalco | PG | 17 | 5679 | 168580 |
Perugia | PG | 19 | 166134 | 334714 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2021-10-17 16:03:55 |
43.047 | 12.6033 | 6 | 2021-10-17 16:11:13 |
Sala Sismica INGV-Roma | 96689761 |
Field | Value |
---|---|
Time (UTC) | 2021-10-17 16:03:55 ± 0.09 |
Latitude | 43.0470 ± 0.0027 |
Longitude | 12.6033 ± 0.0086 |
Depth (km) | 6 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 96689761 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 662 |
Semi-minor axis of confidence ellipse (meter) | 319 |
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) | 660.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 249 |
Number of associated phases, regardless of their use for origin computation | 9 |
Number of defining phases | 7 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.05 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.54949 |
Number of stations at which the event was observed | 6 |
Number of stations from which data was used for origin computation | 4 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.3 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 96689761 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-10-17 16:11:13 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.PTQR.HHZ. | 2021-10-17T16:04:22.06 | 3.0 | undecidable | manual | S | 0.7 | 0 | |||
IV.PP3.EHZ. | 2021-10-17T16:04:17.66 | 3.0 | undecidable | manual | Sn | 0.18 | 0 | |||
IV.MURB.HHZ. | 2021-10-17T16:04:04.32 | 0.3 | undecidable | manual | S | 345 | 24.753 | 104 | 0.03 | 73 |
IV.ATCC.EHZ. | 2021-10-17T16:04:01.28 | 0.3 | undecidable | manual | S | 11 | 15.5733 | 112 | 0.02 | 74 |
IV.MURB.HHZ. | 2021-10-17T16:04:00.51 | 0.1 | positive | manual | P | 345 | 24.753 | 104 | -0.03 | 97 |
IV.ASSB.HHZ. | 2021-10-17T16:03:58.09 | 0.3 | undecidable | manual | S | 96 | 4.4955 | 145 | -0.04 | 75 |
IV.ATCC.EHZ. | 2021-10-17T16:03:58.76 | 0.3 | positive | manual | P | 11 | 15.5733 | 112 | -0.03 | 74 |
IV.ASSB.HHZ. | 2021-10-17T16:03:57.03 | 0.1 | undecidable | manual | P | 96 | 4.4955 | 145 | 0.05 | 100 |
IV.MMO1.EHZ. | 2021-10-17T16:03:57.47 | 0.6 | undecidable | manual | P | 60.9945 | -9.35 | 0 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.ATCC.EHE. | ML:0.9 | 0.00007345 | 0.62 | AML | other | m | 2021-10-17T16:04:02.73 |
IV.ATCC.EHN. | ML:0.8 | 0.0000595 | 1.06 | AML | other | m | 2021-10-17T16:04:02.08 |
IV.MURB.HHE. | ML:1.4 | 0.000155 | 0.24 | AML | other | m | 2021-10-17T16:04:05.24 |
IV.MURB.HHN. | ML:1.4 | 0.00014600000000000003 | 0.92 | AML | other | m | 2021-10-17T16:04:06.47 |