A magnitude ML 1.0 earthquake occured in region: 1 km E Spoleto (PG), on
and geographic coordinates (lat, lon) 42.7390, 12.7510 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 |
---|---|---|---|---|
Spoleto | PG | 1 | 38218 | 38218 |
Sant'Anatolia di Narco | PG | 7 | 564 | 38782 |
Scheggino | PG | 7 | 461 | 39243 |
Campello sul Clitunno | PG | 9 | 2442 | 41685 |
Vallo di Nera | PG | 10 | 364 | 42049 |
Castel Ritaldi | PG | 11 | 3278 | 45327 |
Ferentillo | TR | 14 | 1913 | 47240 |
Trevi | PG | 15 | 8469 | 55709 |
Poggiodomo | PG | 15 | 117 | 55826 |
Montefranco | TR | 16 | 1276 | 57102 |
Cerreto di Spoleto | PG | 16 | 1075 | 58177 |
Arrone | TR | 17 | 2763 | 60940 |
Acquasparta | TR | 17 | 4778 | 65718 |
Giano dell'Umbria | PG | 18 | 3846 | 69564 |
Polino | TR | 19 | 233 | 69797 |
Massa Martana | PG | 19 | 3770 | 73567 |
Montefalco | PG | 19 | 5679 | 79246 |
Monteleone di Spoleto | PG | 19 | 599 | 79845 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.0 | 2021-02-21 18:00:01 |
42.7392 | 12.7507 | 10 | 2021-02-21 18:08:25 |
Sala Sismica INGV-Roma | 87360351 |
Field | Value |
---|---|
Time (UTC) | 2021-02-21 18:00:01 ± 0.05 |
Latitude | 42.7392 ± 0.0036 |
Longitude | 12.7507 ± 0.0049 |
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 | 87360351 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 468 |
Semi-minor axis of confidence ellipse (meter) | 279 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 224 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 470.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 73 |
Number of associated phases, regardless of their use for origin computation | 20 |
Number of defining phases | 20 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.18 |
Epicentral distance of station closest to the epicenter (degree) | 0.11511 |
Epicentral distance of station farthest from the epicenter (degree) | 0.36423 |
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 | 0.1 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 87360351 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-02-21 18:08:25 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MC2.EHZ. | 2021-02-21T18:00:15.23 | 0.6 | undecidable | manual | S | 62 | 40.4262 | 50 | 0.3 | 45 |
IV.ASSB.HHZ. | 2021-02-21T18:00:13.36 | 0.1 | undecidable | manual | S | 348 | 34.4433 | 50 | 0.02 | 97 |
IV.NRCA.HHZ. | 2021-02-21T18:00:12.35 | 0.3 | undecidable | manual | S | 70 | 31.3464 | 50 | -0.16 | 71 |
IV.CESI.HHZ. | 2021-02-21T18:00:12.62 | 0.1 | undecidable | manual | S | 23 | 32.0457 | 50 | -0.06 | 96 |
IV.LNSS.HHZ. | 2021-02-21T18:00:11.40 | 0.3 | undecidable | manual | S | 123 | 28.0497 | 50 | -0.22 | 70 |
IV.MC2.EHZ. | 2021-02-21T18:00:09.74 | 0.3 | undecidable | manual | P | 62 | 40.4262 | 50 | 0.51 | 65 |
IV.CESX.HHN. | 2021-02-21T18:00:08.96 | 0.3 | undecidable | manual | S | 223 | 19.7691 | 117 | -0.16 | 72 |
IV.ASSB.HHZ. | 2021-02-21T18:00:08.42 | 0.1 | undecidable | manual | P | 348 | 34.4433 | 50 | 0.11 | 95 |
IV.MOMA.HHZ. | 2021-02-21T18:00:08.10 | 0.3 | undecidable | manual | S | 296 | 16.3725 | 122 | -0.01 | 75 |
IV.ARRO.EHZ. | 2021-02-21T18:00:08.88 | 0.3 | undecidable | manual | S | 176 | 17.7711 | 119 | 0.35 | 70 |
IV.LNSS.HHZ. | 2021-02-21T18:00:07.16 | 0.1 | undecidable | manual | P | 123 | 28.0497 | 50 | -0.16 | 95 |
IT.GNU.HGZ. | 2021-02-21T18:00:07.80 | 0.3 | undecidable | manual | S | 296 | 16.3725 | 122 | -0.3 | 70 |
IV.NRCA.HHZ. | 2021-02-21T18:00:07.68 | 0.1 | undecidable | manual | P | 70 | 31.3464 | 50 | -0.16 | 94 |
IV.CESI.HHZ. | 2021-02-21T18:00:07.95 | 0.1 | undecidable | manual | P | 23 | 32.0457 | 50 | 0.02 | 97 |
IV.GAVE.EHZ. | 2021-02-21T18:00:06.90 | 0.3 | undecidable | manual | S | 114 | 12.7761 | 128 | -0.19 | 73 |
IV.ARRO.EHZ. | 2021-02-21T18:00:05.65 | 0.3 | undecidable | manual | P | 176 | 17.7711 | 119 | 0.11 | 73 |
IV.CESX.HHN. | 2021-02-21T18:00:05.88 | 0.3 | undecidable | manual | P | 223 | 19.7691 | 117 | 0 | 75 |
IT.GNU.HGZ. | 2021-02-21T18:00:05.46 | 0.1 | undecidable | manual | P | 296 | 16.3725 | 122 | 0.17 | 97 |
IV.MOMA.HHZ. | 2021-02-21T18:00:05.26 | 0.1 | positive | manual | P | 296 | 16.3725 | 122 | -0.03 | 99 |
IV.GAVE.EHZ. | 2021-02-21T18:00:04.74 | 0.1 | undecidable | manual | P | 114 | 12.7761 | 128 | 0.04 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.GAVE.EHE. | ML:1.0 | 0.0000998 | 0.88 | AML | other | m | 2021-02-21T18:00:07.66 |
IV.GAVE.EHN. | ML:1.0 | 0.00009475 | 1 | AML | other | m | 2021-02-21T18:00:08.22 |
IV.MOMA.HHN. | ML:0.9 | 0.0000742 | 0.72 | AML | other | m | 2021-02-21T18:00:09.04 |
IV.MOMA.HHE. | ML:0.9 | 0.00007020000000000001 | 0.14 | AML | other | m | 2021-02-21T18:00:09.81 |
IV.NRCA.HHN. | ML:0.9 | 0.0000351 | 0.14 | AML | other | m | 2021-02-21T18:00:12.71 |
IV.LNSS.HHN. | ML:0.9 | 0.000037749999999999996 | 0.54 | AML | other | m | 2021-02-21T18:00:12.71 |
IV.LNSS.HHE. | ML:1.1 | 0.000060899999999999996 | 1.44 | AML | other | m | 2021-02-21T18:00:12.74 |
IV.CESI.HHN. | ML:1.2 | 0.00006805 | 0.1 | AML | other | m | 2021-02-21T18:00:12.85 |
IV.CESI.HHE. | ML:0.8 | 0.000028499999999999998 | 1.66 | AML | other | m | 2021-02-21T18:00:12.10 |
IV.NRCA.HHE. | ML:1.0 | 0.00004380000000000001 | 1.48 | AML | other | m | 2021-02-21T18:00:13.78 |