A magnitude ML 0.8 earthquake occured in region: 5 km N Poggiodomo (PG), on
and geographic coordinates (lat, lon) 42.7550, 12.9500 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 |
---|---|---|---|---|
Poggiodomo | PG | 5 | 117 | 117 |
Cascia | PG | 7 | 3217 | 3334 |
Vallo di Nera | PG | 7 | 364 | 3698 |
Cerreto di Spoleto | PG | 8 | 1075 | 4773 |
Sant'Anatolia di Narco | PG | 10 | 564 | 5337 |
Scheggino | PG | 11 | 461 | 5798 |
Monteleone di Spoleto | PG | 12 | 599 | 6397 |
Norcia | PG | 13 | 4957 | 11354 |
Sellano | PG | 15 | 1079 | 12433 |
Preci | PG | 16 | 724 | 13157 |
Campello sul Clitunno | PG | 16 | 2442 | 15599 |
Spoleto | PG | 17 | 38218 | 53817 |
Ferentillo | TR | 20 | 1913 | 55730 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.8 | 2021-02-23 04:01:58 |
42.7553 | 12.9498 | 11 | 2021-02-23 04:23:55 |
Sala Sismica INGV-Roma | 87397571 |
Field | Value |
---|---|
Time (UTC) | 2021-02-23 04:01:58 ± 0.04 |
Latitude | 42.7553 ± 0.0018 |
Longitude | 12.9498 ± 0.0037 |
Depth (km) | 11 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 87397571 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 349 |
Semi-minor axis of confidence ellipse (meter) | 166 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 107 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 350.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 139 |
Number of associated phases, regardless of their use for origin computation | 10 |
Number of defining phases | 10 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.09 |
Epicentral distance of station closest to the epicenter (degree) | 0.07554 |
Epicentral distance of station farthest from the epicenter (degree) | 0.29857 |
Number of stations at which the event was observed | 5 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 0.8 |
Uncertainty | 0.2 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 87397571 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-02-23 04:23:55 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.FDMO.HHZ. | 2021-02-23T04:02:09.55 | 0.3 | undecidable | manual | S | 20 | 33.1446 | 50 | -0.01 | 73 |
IV.CESI.HHZ. | 2021-02-23T04:02:08.16 | 0.3 | undecidable | manual | S | 352 | 27.9498 | 50 | -0.02 | 74 |
IV.LNSS.HHZ. | 2021-02-23T04:02:05.58 | 0.3 | undecidable | manual | S | 156 | 18.4704 | 50 | -0.06 | 74 |
IV.NRCA.HHZ. | 2021-02-23T04:02:04.89 | 0.1 | undecidable | manual | S | 57 | 15.9729 | 124 | -0.04 | 100 |
IV.FDMO.HHZ. | 2021-02-23T04:02:04.73 | 0.3 | undecidable | manual | P | 20 | 33.1446 | 50 | -0.04 | 73 |
IV.CESI.HHZ. | 2021-02-23T04:02:03.98 | 0.6 | negative | manual | P | 352 | 27.9498 | 50 | 0.01 | 49 |
IV.LNSS.HHZ. | 2021-02-23T04:02:02.63 | 0.6 | negative | manual | P | 156 | 18.4704 | 50 | 0.12 | 49 |
IV.GAVE.EHZ. | 2021-02-23T04:02:02.84 | 0.3 | undecidable | manual | S | 213 | 8.3805 | 143 | -0.15 | 74 |
IV.NRCA.HHZ. | 2021-02-23T04:02:02.23 | 0.6 | positive | manual | P | 57 | 15.9729 | 124 | 0.13 | 49 |
IV.GAVE.EHZ. | 2021-02-23T04:02:01.10 | 0.1 | undecidable | manual | P | 213 | 8.3805 | 143 | 0.12 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.GAVE.EHN. | ML:1.0 | 0.0001215 | 1.62 | AML | other | m | 2021-02-23T04:02:02.13 |
IV.GAVE.EHE. | ML:1.0 | 0.00011999999999999999 | 0.46 | AML | other | m | 2021-02-23T04:02:04.47 |
IV.NRCA.HHN. | ML:0.6 | 0.0000337 | 0.1 | AML | other | m | 2021-02-23T04:02:05.01 |
IV.NRCA.HHE. | ML:0.8 | 0.0000551 | 0.98 | AML | other | m | 2021-02-23T04:02:05.17 |