A magnitude ML 0.1 earthquake occured in region: 4 km W Nocera Umbra (PG), on
and geographic coordinates (lat, lon) 43.1040, 12.7490 at 11 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 |
---|---|---|---|---|
Nocera Umbra | PG | 4 | 5839 | 5839 |
Valtopina | PG | 5 | 1398 | 7237 |
Assisi | PG | 11 | 28299 | 35536 |
Valfabbrica | PG | 13 | 3389 | 38925 |
Spello | PG | 14 | 8645 | 47570 |
Gualdo Tadino | PG | 15 | 15208 | 62778 |
Bastia Umbra | PG | 17 | 21874 | 84652 |
Foligno | PG | 17 | 57155 | 141807 |
Serravalle di Chienti | MC | 17 | 1070 | 142877 |
Sefro | MC | 17 | 422 | 143299 |
Fiuminata | MC | 18 | 1402 | 144701 |
Cannara | PG | 18 | 4305 | 149006 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.1 | 2021-08-03 19:39:57 |
43.104 | 12.7487 | 11 | 2021-08-03 20:26:39 |
Sala Sismica INGV-Roma | 93633791 |
Field | Value |
---|---|
Time (UTC) | 2021-08-03 19:39:57 ± 0.03 |
Latitude | 43.1040 ± 0.0027 |
Longitude | 12.7487 ± 0.0025 |
Depth (km) | 11 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 93633791 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 320 |
Semi-minor axis of confidence ellipse (meter) | 190 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 18 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 320.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 131 |
Number of associated phases, regardless of their use for origin computation | 10 |
Number of defining phases | 8 |
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) | 0.25631 |
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 | 0.1 |
Uncertainty | 0.3 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 93633791 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-08-03 20:26:39 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CSNT.HHZ. | 2021-08-03T19:40:20.62 | 3.0 | undecidable | manual | P | -0.07 | 0 | |||
TV.SF04.EHZ. | 2021-08-03T19:40:16.18 | 3.0 | undecidable | manual | P | 0.41 | 0 | |||
IV.FDMO.HHZ. | 2021-08-03T19:40:07.71 | 0.6 | undecidable | manual | S | 105 | 28.4493 | 90 | 0.01 | 66 |
IV.MML1.EHZ. | 2021-08-03T19:40:04.94 | 0.6 | undecidable | manual | S | 87 | 18.0708 | 90 | 0 | 67 |
IV.FDMO.HHZ. | 2021-08-03T19:40:03.34 | 1.0 | undecidable | manual | P | 105 | 28.4493 | 90 | -0.11 | 32 |
IV.ATCC.EHZ. | 2021-08-03T19:40:03.41 | 0.6 | undecidable | manual | S | 316 | 12.5763 | 103 | -0.06 | 68 |
IV.ASSB.HHZ. | 2021-08-03T19:40:02.80 | 0.6 | undecidable | manual | S | 227 | 9.9789 | 120 | -0.03 | 67 |
IV.ATCC.EHZ. | 2021-08-03T19:40:01.08 | 0.3 | undecidable | manual | P | 316 | 12.5763 | 103 | 0.07 | 100 |
IV.MML1.EHZ. | 2021-08-03T19:40:01.84 | 0.6 | undecidable | manual | P | 87 | 18.0708 | 90 | -0.01 | 67 |
IV.ASSB.HHZ. | 2021-08-03T19:40:00.71 | 0.6 | undecidable | manual | P | 227 | 9.9789 | 120 | 0.08 | 68 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.ATCC.EHE. | ML:0.7 | 0.00005259999999999999 | 0.22 | AML | other | m | 2021-08-03T19:40:03.76 |
IV.ATCC.EHN. | ML:0.6 | 0.00003785 | 0.5 | AML | other | m | 2021-08-03T19:40:03.85 |
IV.MML1.EHE. | ML:-0.2 | 0.0000071096530000000005 | 0.256 | AML | other | m | 2021-08-03T19:40:04.83 |
IV.MML1.EHN. | ML:-0.2 | 0.0000073492895 | 0.1152 | AML | other | m | 2021-08-03T19:40:05.36 |
IV.FDMO.HHE. | ML:0.0 | 0.000004656202 | 0.6144 | AML | other | m | 2021-08-03T19:40:07.79 |
IV.FDMO.HHN. | ML:0.0 | 0.000003744541 | 1.0112 | AML | other | m | 2021-08-03T19:40:07.75 |