A magnitude ML 0.9 earthquake occured in region: 6 km SE Cerreto di Spoleto (PG), on
and geographic coordinates (lat, lon) 42.7740, 12.9480 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 |
---|---|---|---|---|
Cerreto di Spoleto | PG | 6 | 1075 | 1075 |
Vallo di Nera | PG | 7 | 364 | 1439 |
Poggiodomo | PG | 7 | 117 | 1556 |
Cascia | PG | 8 | 3217 | 4773 |
Sant'Anatolia di Narco | PG | 10 | 564 | 5337 |
Scheggino | PG | 12 | 461 | 5798 |
Norcia | PG | 12 | 4957 | 10755 |
Sellano | PG | 13 | 1079 | 11834 |
Monteleone di Spoleto | PG | 14 | 599 | 12433 |
Preci | PG | 14 | 724 | 13157 |
Campello sul Clitunno | PG | 15 | 2442 | 15599 |
Spoleto | PG | 18 | 38218 | 53817 |
Trevi | PG | 20 | 8469 | 62286 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2021-10-25 19:56:45 |
42.7743 | 12.9477 | 10 | 2021-10-25 20:03:55 |
Sala Sismica INGV-Roma | 96987831 |
Field | Value |
---|---|
Time (UTC) | 2021-10-25 19:56:45 ± 0.06 |
Latitude | 42.7743 ± 0.0027 |
Longitude | 12.9477 ± 0.0049 |
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 | 96987831 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 411 |
Semi-minor axis of confidence ellipse (meter) | 274 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 116 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 410.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 194 |
Number of associated phases, regardless of their use for origin computation | 12 |
Number of defining phases | 11 |
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) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.36872 |
Number of stations at which the event was observed | 7 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.3 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 96987831 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-10-25 20:03:55 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CAFI.HNZ. | 2021-10-25T19:57:01.63 | 3.0 | undecidable | manual | P | -0.26 | 0 | |||
IV.FDMO.HHZ. | 2021-10-25T19:56:56.14 | 0.3 | undecidable | manual | S | 21 | 31.2465 | 50 | -0.03 | 74 |
IV.MC2.EHZ. | 2021-10-25T19:56:54.52 | 0.3 | undecidable | manual | S | 52 | 24.8529 | 50 | 0.05 | 75 |
IV.CESI.HHZ. | 2021-10-25T19:56:54.77 | 0.3 | undecidable | manual | S | 352 | 25.8519 | 50 | 0.04 | 75 |
IV.LNSS.HHZ. | 2021-10-25T19:56:53.12 | 0.3 | undecidable | manual | S | 158 | 20.4684 | 117 | -0.03 | 76 |
IV.CSP1.EHZ. | 2021-10-25T19:56:53.15 | 0.3 | undecidable | manual | P | 31 | 40.9257 | 50 | 0.11 | 72 |
IV.NRCA.HHZ. | 2021-10-25T19:56:51.43 | 0.3 | undecidable | manual | S | 64 | 15.0738 | 124 | -0.1 | 75 |
IV.FDMO.HHZ. | 2021-10-25T19:56:51.39 | 0.3 | undecidable | manual | P | 21 | 31.2465 | 50 | -0.15 | 73 |
IV.MC2.EHZ. | 2021-10-25T19:56:50.49 | 0.3 | undecidable | manual | P | 52 | 24.8529 | 50 | -0.06 | 75 |
IV.CESI.HHZ. | 2021-10-25T19:56:50.67 | 0.1 | undecidable | manual | P | 352 | 25.8519 | 50 | -0.03 | 100 |
IV.LNSS.HHZ. | 2021-10-25T19:56:49.81 | 0.3 | undecidable | manual | P | 158 | 20.4684 | 117 | 0.02 | 76 |
IV.NRCA.HHZ. | 2021-10-25T19:56:48.98 | 0.1 | undecidable | manual | P | 64 | 15.0738 | 124 | 0.12 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.1 | 0.0001205 | 0.14 | AML | other | m | 2021-10-25T19:56:51.66 |
IV.NRCA.HHE. | ML:1.3 | 0.000175 | 0.18 | AML | other | m | 2021-10-25T19:56:51.69 |
IV.LNSS.HHE. | ML:1.2 | 0.0001212 | 0.12 | AML | other | m | 2021-10-25T19:56:53.63 |
IV.LNSS.HHN. | ML:1.0 | 0.0000715 | 0.52 | AML | other | m | 2021-10-25T19:56:54.51 |
IV.CESI.HHE. | ML:0.4 | 0.000016721798 | 0.128 | AML | other | m | 2021-10-25T19:56:55.19 |
IV.CESI.HHN. | ML:0.7 | 0.0000286135 | 0.2176 | AML | other | m | 2021-10-25T19:56:54.94 |
IV.FDMO.HHE. | ML:0.6 | 0.000020910780000000002 | 0.2176 | AML | other | m | 2021-10-25T19:56:56.26 |
IV.FDMO.HHN. | ML:0.6 | 0.000020337379999999998 | 0.2688 | AML | other | m | 2021-10-25T19:56:56.26 |