A magnitude ML 0.9 earthquake occured in region: 5 km NE Assisi (PG), on
and geographic coordinates (lat, lon) 43.1000, 12.6680 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 | 5 | 28299 | 28299 |
Valtopina | PG | 8 | 1398 | 29697 |
Valfabbrica | PG | 9 | 3389 | 33086 |
Nocera Umbra | PG | 10 | 5839 | 38925 |
Bastia Umbra | PG | 10 | 21874 | 60799 |
Spello | PG | 12 | 8645 | 69444 |
Cannara | PG | 13 | 4305 | 73749 |
Foligno | PG | 16 | 57155 | 130904 |
Gualdo Tadino | PG | 18 | 15208 | 146112 |
Bettona | PG | 18 | 4367 | 150479 |
Bevagna | PG | 19 | 5081 | 155560 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2023-04-21 22:53:50 |
43.0997 | 12.6682 | 9 | 2023-04-21 23:01:12 |
Sala Sismica INGV-Roma | 116585811 |
Field | Value |
---|---|
Time (UTC) | 2023-04-21 22:53:50 ± 0.06 |
Latitude | 43.0997 ± 0.0036 |
Longitude | 12.6682 ± 0.0049 |
Depth (km) | 9 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 116585811 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 429 |
Semi-minor axis of confidence ellipse (meter) | 272 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 69 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 430.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 133 |
Number of associated phases, regardless of their use for origin computation | 21 |
Number of defining phases | 21 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.19 |
Epicentral distance of station closest to the epicenter (degree) | 0.05756 |
Epicentral distance of station farthest from the epicenter (degree) | 0.42088 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 11 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.2 |
Num. used stations | 18 |
Type of magnitude | ML |
Reference to an origin | 116585811 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-04-21 23:01:12 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.NRCA.HHZ. | 2023-04-21T22:54:06.36 | 0.6 | undecidable | manual | S | 129 | 46.7199 | 50 | 0.4 | 43 |
IV.CSP1.EHZ. | 2023-04-21T22:54:05.19 | 1.0 | undecidable | manual | S | 91 | 43.5231 | 50 | 0.09 | 23 |
IV.MOMA.HHE. | 2023-04-21T22:54:02.54 | 0.6 | undecidable | manual | S | 194 | 33.744 | 50 | 0.04 | 47 |
IV.SNTG.HHN. | 2023-04-21T22:54:00.38 | 0.6 | undecidable | manual | S | 52 | 27.9498 | 107 | -0.26 | 46 |
IV.CESI.HHZ. | 2023-04-21T22:53:59.04 | 0.6 | undecidable | manual | S | 119 | 21.867 | 111 | 0.4 | 45 |
IV.NRCA.HHZ. | 2023-04-21T22:53:59.53 | 0.3 | undecidable | manual | P | 129 | 46.7199 | 50 | 0.11 | 68 |
IV.FOSV.EHZ. | 2023-04-21T22:53:59.11 | 0.6 | undecidable | manual | S | 19 | 22.9548 | 111 | 0.13 | 47 |
IV.MML1.EHZ. | 2023-04-21T22:53:59.62 | 0.6 | undecidable | manual | S | 86 | 24.6531 | 109 | 0.08 | 48 |
IV.MURB.HHZ. | 2023-04-21T22:53:59.26 | 0.6 | undecidable | manual | S | 327 | 21.5673 | 112 | 0.73 | 40 |
IV.CSP1.EHZ. | 2023-04-21T22:53:58.65 | 0.1 | undecidable | manual | P | 91 | 43.5231 | 50 | -0.27 | 89 |
IV.MOMA.HHE. | 2023-04-21T22:53:57.28 | 0.1 | undecidable | manual | P | 194 | 33.744 | 50 | -0.14 | 93 |
IV.SNTG.HHN. | 2023-04-21T22:53:56.19 | 0.1 | undecidable | manual | P | 52 | 27.9498 | 107 | -0.16 | 93 |
IV.TSM1.DHE. | 2023-04-21T22:53:56.07 | 0.1 | undecidable | manual | P | 348 | 27.8499 | 107 | -0.25 | 92 |
IV.MML1.EHZ. | 2023-04-21T22:53:55.76 | 1.0 | negative | manual | P | 86 | 24.6531 | 109 | 0.05 | 24 |
IV.MURB.HHZ. | 2023-04-21T22:53:55.23 | 0.3 | positive | manual | P | 327 | 21.5673 | 112 | 0.1 | 72 |
IV.CESI.HHZ. | 2023-04-21T22:53:55.25 | 0.6 | positive | manual | P | 119 | 21.867 | 111 | 0.06 | 48 |
IV.FOSV.EHZ. | 2023-04-21T22:53:55.49 | 0.6 | negative | manual | P | 19 | 22.9548 | 111 | 0.1 | 48 |
IV.ATCC.EHZ. | 2023-04-21T22:53:54.92 | 0.6 | undecidable | manual | S | 346 | 9.7791 | 131 | -0.08 | 49 |
IV.ATCC.EHZ. | 2023-04-21T22:53:53.09 | 0.1 | undecidable | manual | P | 346 | 9.7791 | 131 | 0 | 100 |
IV.ASSB.HHZ. | 2023-04-21T22:53:53.94 | 0.6 | undecidable | manual | S | 187 | 6.3936 | 143 | -0.27 | 47 |
IV.ASSB.HHZ. | 2023-04-21T22:53:52.64 | 0.1 | positive | manual | P | 187 | 6.3936 | 143 | 0.01 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.ASSB.HHE. | ML:1.4 | 0.00040899999999999997 | 0.2 | AML | other | m | 2023-04-21T22:53:54.10 |
IV.ASSB.HHN. | ML:1.4 | 0.0003895 | 0.14 | AML | other | m | 2023-04-21T22:53:54.17 |
IV.ATCC.EHN. | ML:1.0 | 0.0001285 | 0.38 | AML | other | m | 2023-04-21T22:53:55.24 |
IV.ATCC.EHE. | ML:0.9 | 0.000122 | 0.48 | AML | other | m | 2023-04-21T22:53:55.69 |
IV.FOSV.EHE. | ML:0.7 | 0.000036150000000000005 | 0.38 | AML | other | m | 2023-04-21T22:53:59.40 |
IV.FOSV.EHN. | ML:0.8 | 0.0000393 | 0.18 | AML | other | m | 2023-04-21T22:53:59.58 |
IV.MML1.EHN. | ML:0.8 | 0.0000347 | 0.24 | AML | other | m | 2023-04-21T22:53:59.86 |
IV.MML1.EHE. | ML:0.9 | 0.000047149999999999994 | 0.26 | AML | other | m | 2023-04-21T22:53:59.97 |
IV.CESI.HHE. | ML:0.5 | 0.00002025 | 0.82 | AML | other | m | 2023-04-21T22:54:00.18 |
IV.CESI.HHN. | ML:0.3 | 0.0000172 | 1.1 | AML | other | m | 2023-04-21T22:54:00.34 |
IV.MURB.HHE. | ML:1.0 | 0.00007000000000000001 | 0.86 | AML | other | m | 2023-04-21T22:54:01.08 |
IV.MURB.HHN. | ML:0.8 | 0.0000461 | 0.22 | AML | other | m | 2023-04-21T22:54:02.54 |
IV.NRCA.HHN. | ML:0.7 | 0.0000131 | 1 | AML | other | m | 2023-04-21T22:54:08.54 |
IV.NRCA.HHE. | ML:0.5 | 0.0000123 | 1.48 | AML | other | m | 2023-04-21T22:54:08.98 |
IV.ATCC.HNE. | ML:1.0 | 0.00015323354999999999 | 0.448 | AML | other | m | 2023-04-21T22:53:57.77 |
IV.ATCC.HNN. | ML:1.0 | 0.0001380464 | 0.1024 | AML | other | m | 2023-04-21T22:53:55.04 |
IV.CSP1.EHE. | ML:0.9 | 0.000024096037000000002 | 0.2816 | AML | other | m | 2023-04-21T22:54:05.47 |
IV.CSP1.EHN. | ML:0.8 | 0.000020049399 | 0.2176 | AML | other | m | 2023-04-21T22:54:06.78 |