A magnitude ML 1.0 earthquake occured in region: 1 km E Spoleto (PG), on
and geographic coordinates (lat, lon) 42.7370, 12.7550 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 | 10 | 2442 | 41685 |
Vallo di Nera | PG | 10 | 364 | 42049 |
Castel Ritaldi | PG | 12 | 3278 | 45327 |
Ferentillo | TR | 13 | 1913 | 47240 |
Poggiodomo | PG | 15 | 117 | 47357 |
Montefranco | TR | 16 | 1276 | 48633 |
Trevi | PG | 16 | 8469 | 57102 |
Cerreto di Spoleto | PG | 16 | 1075 | 58177 |
Arrone | TR | 17 | 2763 | 60940 |
Acquasparta | TR | 18 | 4778 | 65718 |
Giano dell'Umbria | PG | 18 | 3846 | 69564 |
Polino | TR | 18 | 233 | 69797 |
Monteleone di Spoleto | PG | 19 | 599 | 70396 |
Massa Martana | PG | 19 | 3770 | 74166 |
Montefalco | PG | 19 | 5679 | 79845 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.0 | 2021-02-20 04:46:26 |
42.7373 | 12.7547 | 10 | 2021-02-20 05:20:07 |
Sala Sismica INGV-Roma | 87314671 |
Field | Value |
---|---|
Time (UTC) | 2021-02-20 04:46:26 ± 0.03 |
Latitude | 42.7373 ± 0.0018 |
Longitude | 12.7547 ± 0.0024 |
Depth (km) | 10 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 87314671 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 226 |
Semi-minor axis of confidence ellipse (meter) | 179 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 218 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 230.0 |
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 | 16 |
Number of defining phases | 13 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.07 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.38581 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.3 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 87314671 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-02-20 05:20:07 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MC2.EHZ. | 2021-02-20T04:46:40.10 | 3.0 | undecidable | manual | S | -0.13 | 0 | |||
IV.FDMO.HHZ. | 2021-02-20T04:46:40.46 | 0.6 | undecidable | manual | S | 39 | 42.8238 | 50 | 0.12 | 47 |
IV.ASSB.HHZ. | 2021-02-20T04:46:38.12 | 0.6 | undecidable | manual | S | 347 | 34.743 | 50 | -0.07 | 48 |
IV.CESI.HHZ. | 2021-02-20T04:46:37.44 | 0.6 | undecidable | manual | S | 22 | 32.0457 | 50 | -0.04 | 49 |
IV.LNSS.HHZ. | 2021-02-20T04:46:36.26 | 0.6 | undecidable | manual | S | 123 | 27.6501 | 50 | -0.04 | 49 |
IV.CSP1.EHZ. | 2021-02-20T04:46:36.67 | 3.0 | undecidable | manual | P | 0.35 | 0 | |||
IV.MOMA.HHZ. | 2021-02-20T04:46:35.81 | 3.0 | undecidable | manual | S | 296 | 16.7721 | 121 | 2.78 | 0 |
IV.FDMO.HHZ. | 2021-02-20T04:46:34.46 | 1.0 | positive | manual | P | 39 | 42.8238 | 50 | 0.08 | 24 |
IV.ASSB.HHZ. | 2021-02-20T04:46:33.26 | 1.0 | undecidable | manual | P | 347 | 34.743 | 50 | 0.12 | 24 |
IV.CESX.HHZ. | 2021-02-20T04:46:33.99 | 0.6 | undecidable | manual | S | 224 | 19.7691 | 117 | 0.04 | 50 |
IV.LNSS.HHZ. | 2021-02-20T04:46:32.03 | 0.1 | undecidable | manual | P | 123 | 27.6501 | 50 | -0.02 | 98 |
IV.CESI.HHZ. | 2021-02-20T04:46:32.71 | 0.3 | undecidable | manual | P | 22 | 32.0457 | 50 | -0.02 | 73 |
IV.GAVE.EHZ. | 2021-02-20T04:46:31.67 | 0.6 | undecidable | manual | S | 114 | 12.4764 | 129 | -0.13 | 49 |
IV.MOMA.HHZ. | 2021-02-20T04:46:30.12 | 0.1 | positive | manual | P | 296 | 16.7721 | 121 | -0.04 | 100 |
IV.CESX.HHZ. | 2021-02-20T04:46:30.72 | 1.0 | positive | manual | P | 224 | 19.7691 | 117 | 0.03 | 25 |
IV.GAVE.EHZ. | 2021-02-20T04:46:29.63 | 0.6 | positive | manual | P | 114 | 12.4764 | 129 | 0.18 | 49 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.GAVE.EHE. | ML:1.0 | 0.000106 | 0.44 | AML | other | m | 2021-02-20T04:46:32.56 |
IV.GAVE.EHN. | ML:0.9 | 0.00008315 | 1.02 | AML | other | m | 2021-02-20T04:46:33.10 |
IV.CESX.HHN. | ML:0.8 | 0.000044200000000000004 | 1.12 | AML | other | m | 2021-02-20T04:46:34.78 |
IV.MOMA.HHE. | ML:1.8 | 0.0005225 | 1.6 | AML | other | m | 2021-02-20T04:46:36.96 |
IV.MOMA.HHN. | ML:1.6 | 0.000367 | 0.76 | AML | other | m | 2021-02-20T04:46:36.38 |
IV.LNSS.HHN. | ML:0.9 | 0.00004105 | 0.92 | AML | other | m | 2021-02-20T04:46:37.51 |
IV.LNSS.HHE. | ML:1.0 | 0.00005690000000000001 | 0.58 | AML | other | m | 2021-02-20T04:46:37.61 |
IV.CESI.HHN. | ML:1.2 | 0.0000781 | 0.12 | AML | other | m | 2021-02-20T04:46:37.68 |
IV.CESI.HHE. | ML:0.9 | 0.0000327 | 0.34 | AML | other | m | 2021-02-20T04:46:37.94 |
IV.ASSB.HHE. | ML:0.8 | 0.0000262 | 0.98 | AML | other | m | 2021-02-20T04:46:39.49 |
IV.ASSB.HHN. | ML:0.7 | 0.000021 | 1.58 | AML | other | m | 2021-02-20T04:46:41.95 |
IV.CESX.HHE. | ML:0.8 | 0.00004565 | 1.66 | AML | other | m | 2021-02-20T04:46:43.89 |