A magnitude ML 1.0 earthquake occured in region: 3 km E Valtopina (PG), on
and geographic coordinates (lat, lon) 43.0600, 12.7910 at 10 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 |
---|---|---|---|---|
Valtopina | PG | 3 | 1398 | 1398 |
Nocera Umbra | PG | 6 | 5839 | 7237 |
Spello | PG | 12 | 8645 | 15882 |
Serravalle di Chienti | MC | 13 | 1070 | 16952 |
Foligno | PG | 14 | 57155 | 74107 |
Assisi | PG | 14 | 28299 | 102406 |
Sefro | MC | 16 | 422 | 102828 |
Cannara | PG | 18 | 4305 | 107133 |
Fiuminata | MC | 18 | 1402 | 108535 |
Monte Cavallo | MC | 19 | 145 | 108680 |
Valfabbrica | PG | 19 | 3389 | 112069 |
Gualdo Tadino | PG | 19 | 15208 | 127277 |
Bastia Umbra | PG | 20 | 21874 | 149151 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.0 | 2021-01-20 08:30:56 |
43.0598 | 12.7913 | 10 | 2021-01-20 08:36:40 |
Sala Sismica INGV-Roma | 86395021 |
Field | Value |
---|---|
Time (UTC) | 2021-01-20 08:30:56 ± 0.07 |
Latitude | 43.0598 ± 0.0063 |
Longitude | 12.7913 ± 0.0062 |
Depth (km) | 10 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 86395021 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 736 |
Semi-minor axis of confidence ellipse (meter) | 160 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 32 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 740.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 101 |
Number of associated phases, regardless of their use for origin computation | 17 |
Number of defining phases | 17 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.23 |
Epicentral distance of station closest to the epicenter (degree) | 0.09803 |
Epicentral distance of station farthest from the epicenter (degree) | 0.32735 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.3 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 86395021 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-01-20 08:36:40 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.NRCA.HHZ. | 2021-01-20T08:31:08.25 | 0.6 | undecidable | manual | S | 134 | 36.3414 | 50 | -0.22 | 47 |
IV.MURB.HHZ. | 2021-01-20T08:31:07.29 | 0.6 | undecidable | manual | S | 316 | 31.2465 | 50 | 0.18 | 47 |
IV.FDMO.HHZ. | 2021-01-20T08:31:04.94 | 0.6 | undecidable | manual | S | 96 | 24.1536 | 112 | -0.18 | 48 |
IT.MTCL.HGZ. | 2021-01-20T08:31:03.37 | 0.6 | undecidable | manual | S | 113 | 18.3705 | 118 | 0.05 | 50 |
IT.GNU.HGN. | 2021-01-20T08:31:03.45 | 0.1 | undecidable | manual | P | 212 | 33.6441 | 50 | 0.63 | 84 |
IV.ATCC.EHZ. | 2021-01-20T08:31:03.36 | 0.6 | undecidable | manual | S | 319 | 18.5703 | 118 | -0.01 | 50 |
IV.NRCA.HHZ. | 2021-01-20T08:31:02.89 | 0.3 | undecidable | manual | P | 134 | 36.3414 | 50 | -0.34 | 68 |
IV.MOMA.HNE. | 2021-01-20T08:31:02.52 | 0.1 | undecidable | manual | P | 212 | 33.6441 | 50 | -0.29 | 92 |
IV.MURB.HHZ. | 2021-01-20T08:31:02.32 | 0.3 | negative | manual | P | 316 | 31.2465 | 50 | -0.12 | 72 |
IV.FOSV.HNZ. | 2021-01-20T08:31:01.67 | 0.1 | undecidable | manual | P | 355 | 26.1516 | 50 | 0 | 99 |
IV.FDMO.HHZ. | 2021-01-20T08:31:01.27 | 0.6 | positive | manual | P | 96 | 24.1536 | 112 | -0.03 | 49 |
IV.CESI.HHZ. | 2021-01-20T08:31:01.27 | 0.6 | undecidable | manual | S | 124 | 10.9779 | 132 | 0.05 | 50 |
IV.ATCC.EHZ. | 2021-01-20T08:31:00.30 | 0.1 | negative | manual | P | 319 | 18.5703 | 118 | 0.02 | 100 |
IV.ASSB.HHZ. | 2021-01-20T08:31:00.82 | 0.6 | undecidable | manual | S | 260 | 10.878 | 132 | -0.37 | 47 |
IT.MTCL.HGZ. | 2021-01-20T08:31:00.65 | 0.6 | undecidable | manual | P | 113 | 18.3705 | 118 | 0.4 | 46 |
IV.CESI.HHZ. | 2021-01-20T08:30:59.20 | 0.3 | undecidable | manual | P | 124 | 10.9779 | 132 | 0.16 | 74 |
IV.ASSB.HHZ. | 2021-01-20T08:30:59.00 | 0.3 | positive | manual | P | 260 | 10.878 | 132 | -0.03 | 76 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.ASSB.HHN. | ML:1.5 | 0.00036250000000000003 | 0.1 | AML | other | m | 2021-01-20T08:31:01.19 |
IV.ASSB.HHE. | ML:1.4 | 0.00028000000000000003 | 0.1 | AML | other | m | 2021-01-20T08:31:01.26 |
IV.CESI.HHE. | ML:0.8 | 0.0000753 | 0.1 | AML | other | m | 2021-01-20T08:31:01.70 |
IV.CESI.HHN. | ML:0.9 | 0.00009434999999999999 | 1.52 | AML | other | m | 2021-01-20T08:31:02.78 |
IV.ATCC.EHE. | ML:1.2 | 0.0001315 | 0.14 | AML | other | m | 2021-01-20T08:31:03.66 |
IV.ATCC.EHN. | ML:1.1 | 0.00011 | 0.68 | AML | other | m | 2021-01-20T08:31:03.48 |
IV.FDMO.HHE. | ML:0.5 | 0.0000196 | 0.82 | AML | other | m | 2021-01-20T08:31:05.24 |
IV.FDMO.HHN. | ML:0.5 | 0.000022449999999999997 | 0.4 | AML | other | m | 2021-01-20T08:31:05.60 |
IV.NRCA.HHN. | ML:1.0 | 0.00003335 | 0.34 | AML | other | m | 2021-01-20T08:31:08.64 |
IV.NRCA.HHE. | ML:0.9 | 0.00003015 | 1.3 | AML | other | m | 2021-01-20T08:31:09.20 |