A magnitude ML 1.1 earthquake occured in region: 4 km SW Sellano (PG), on
and geographic coordinates (lat, lon) 42.8660, 12.8980 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 |
---|---|---|---|---|
Sellano | PG | 4 | 1079 | 1079 |
Cerreto di Spoleto | PG | 5 | 1075 | 2154 |
Campello sul Clitunno | PG | 11 | 2442 | 4596 |
Vallo di Nera | PG | 11 | 364 | 4960 |
Preci | PG | 12 | 724 | 5684 |
Trevi | PG | 12 | 8469 | 14153 |
Sant'Anatolia di Narco | PG | 16 | 564 | 14717 |
Monte Cavallo | MC | 17 | 145 | 14862 |
Visso | MC | 17 | 1107 | 15969 |
Poggiodomo | PG | 17 | 117 | 16086 |
Scheggino | PG | 18 | 461 | 16547 |
Norcia | PG | 18 | 4957 | 21504 |
Foligno | PG | 19 | 57155 | 78659 |
Cascia | PG | 19 | 3217 | 81876 |
Castel Ritaldi | PG | 19 | 3278 | 85154 |
Spoleto | PG | 20 | 38218 | 123372 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2020-12-25 00:59:02 |
42.8663 | 12.8983 | 11 | 2020-12-25 01:05:07 |
Sala Sismica INGV-Roma | 85696131 |
Field | Value |
---|---|
Time (UTC) | 2020-12-25 00:59:02 ± 0.08 |
Latitude | 42.8663 ± 0.0036 |
Longitude | 12.8983 ± 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 | 85696131 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 312 |
Semi-minor axis of confidence ellipse (meter) | 277 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 235 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 310.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 125 |
Number of associated phases, regardless of their use for origin computation | 18 |
Number of defining phases | 18 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.13 |
Epicentral distance of station closest to the epicenter (degree) | 0.13850 |
Epicentral distance of station farthest from the epicenter (degree) | 0.31746 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.3 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 85696131 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-12-25 01:05:07 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CSP1.EHZ. | 2020-12-25T00:59:14.87 | 1.0 | undecidable | manual | S | 45 | 35.2425 | 91 | 0.16 | 24 |
IV.MMO1.EHZ. | 2020-12-25T00:59:14.81 | 0.6 | undecidable | manual | S | 84 | 35.0427 | 91 | 0.17 | 47 |
IV.ASSB.HHZ. | 2020-12-25T00:59:12.35 | 0.6 | undecidable | manual | S | 315 | 27.5502 | 91 | -0.31 | 47 |
IV.FDMO.HHZ. | 2020-12-25T00:59:11.60 | 0.6 | undecidable | manual | S | 39 | 24.3534 | 92 | -0.19 | 48 |
IV.GAVE.EHZ. | 2020-12-25T00:59:10.31 | 0.6 | undecidable | manual | S | 181 | 19.2696 | 93 | -0.14 | 50 |
IT.FOPC.HGE. | 2020-12-25T00:59:10.63 | 0.6 | undecidable | manual | S | 306 | 19.5693 | 93 | 0.1 | 49 |
IV.MMO1.EHZ. | 2020-12-25T00:59:09.67 | 0.6 | undecidable | manual | P | 84 | 35.0427 | 91 | 0.01 | 48 |
IT.MTCL.HGZ. | 2020-12-25T00:59:09.41 | 0.6 | undecidable | manual | S | 30 | 16.3725 | 96 | -0.26 | 48 |
IV.CSP1.EHZ. | 2020-12-25T00:59:09.43 | 0.6 | undecidable | manual | P | 45 | 35.2425 | 91 | -0.27 | 47 |
IV.CESI.HHZ. | 2020-12-25T00:59:09.34 | 0.6 | undecidable | manual | S | 2 | 15.3735 | 98 | -0.07 | 50 |
IV.NRCA.HHZ. | 2020-12-25T00:59:09.83 | 0.6 | undecidable | manual | S | 102 | 17.9709 | 94 | -0.26 | 49 |
IV.ASSB.HHZ. | 2020-12-25T00:59:08.42 | 0.3 | undecidable | manual | P | 315 | 27.5502 | 91 | -0.09 | 74 |
IV.FDMO.HHZ. | 2020-12-25T00:59:08.10 | 0.6 | undecidable | manual | P | 39 | 24.3534 | 92 | 0.09 | 48 |
IT.FOPC.HGE. | 2020-12-25T00:59:07.32 | 0.1 | undecidable | manual | P | 306 | 19.5693 | 93 | 0.04 | 98 |
IV.GAVE.EHZ. | 2020-12-25T00:59:07.08 | 1.0 | positive | manual | P | 181 | 19.2696 | 93 | -0.16 | 25 |
IT.MTCL.HGZ. | 2020-12-25T00:59:07.03 | 0.6 | undecidable | manual | P | 30 | 16.3725 | 96 | 0.25 | 47 |
IV.CESI.HHZ. | 2020-12-25T00:59:06.75 | 0.3 | undecidable | manual | P | 2 | 15.3735 | 98 | 0.12 | 73 |
IV.NRCA.HHZ. | 2020-12-25T00:59:06.97 | 0.1 | negative | manual | P | 102 | 17.9709 | 94 | -0.05 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.CESI.HHE. | ML:1.1 | 0.00010264999999999999 | 0.34 | AML | other | m | 2020-12-25T00:59:09.65 |
IV.CESI.HHN. | ML:1.5 | 0.000298 | 0.3 | AML | other | m | 2020-12-25T00:59:09.54 |
IV.NRCA.HHN. | ML:1.3 | 0.0001705 | 0.12 | AML | other | m | 2020-12-25T00:59:10.09 |
IV.NRCA.HHE. | ML:1.2 | 0.0001225 | 0.08 | AML | other | m | 2020-12-25T00:59:10.19 |
IV.FDMO.HHN. | ML:0.8 | 0.000035699999999999994 | 1.08 | AML | other | m | 2020-12-25T00:59:12.18 |
IV.FDMO.HHE. | ML:0.9 | 0.00004305 | 1.2 | AML | other | m | 2020-12-25T00:59:12.97 |