A magnitude ML 0.8 earthquake occured in region: 3 km E Cerreto di Spoleto (PG), on
and geographic coordinates (lat, lon) 42.8280, 12.9490 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 |
---|---|---|---|---|
Cerreto di Spoleto | PG | 3 | 1075 | 1075 |
Sellano | PG | 7 | 1079 | 2154 |
Preci | PG | 9 | 724 | 2878 |
Vallo di Nera | PG | 10 | 364 | 3242 |
Norcia | PG | 12 | 4957 | 8199 |
Poggiodomo | PG | 13 | 117 | 8316 |
Cascia | PG | 13 | 3217 | 11533 |
Sant'Anatolia di Narco | PG | 14 | 564 | 12097 |
Campello sul Clitunno | PG | 14 | 2442 | 14539 |
Scheggino | PG | 16 | 461 | 15000 |
Visso | MC | 16 | 1107 | 16107 |
Trevi | PG | 17 | 8469 | 24576 |
Castelsantangelo sul Nera | MC | 18 | 281 | 24857 |
Monte Cavallo | MC | 19 | 145 | 25002 |
Monteleone di Spoleto | PG | 20 | 599 | 25601 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.8 | 2021-08-02 18:37:03 |
42.8282 | 12.949 | 11 | 2021-08-02 18:43:23 |
Sala Sismica INGV-Roma | 93575091 |
Field | Value |
---|---|
Time (UTC) | 2021-08-02 18:37:03 ± 0.07 |
Latitude | 42.8282 ± 0.0036 |
Longitude | 12.9490 ± 0.0061 |
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 | 93575091 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 540 |
Semi-minor axis of confidence ellipse (meter) | 229 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 270 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 540.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 118 |
Number of associated phases, regardless of their use for origin computation | 23 |
Number of defining phases | 20 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.25 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.32286 |
Number of stations at which the event was observed | 12 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 0.8 |
Uncertainty | 0.1 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 93575091 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-08-02 18:43:23 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.FOSV.EHZ. | 2021-08-02T18:37:22.82 | 3.0 | undecidable | manual | S | 0 | ||||
IV.FOSV.EHZ. | 2021-08-02T18:37:18.44 | 3.0 | undecidable | manual | P | 0 | ||||
IV.ASSB.HHZ. | 2021-08-02T18:37:15.04 | 0.1 | undecidable | manual | S | 315 | 33.5442 | 50 | -0.02 | 98 |
IV.CSP1.EHZ. | 2021-08-02T18:37:15.80 | 0.3 | undecidable | manual | S | 35 | 35.8419 | 50 | 0.1 | 72 |
IV.MML1.EHZ. | 2021-08-02T18:37:14.75 | 0.1 | undecidable | manual | S | 3 | 31.746 | 50 | 0.17 | 95 |
IV.FDMO.HHN. | 2021-08-02T18:37:12.90 | 0.1 | undecidable | manual | S | 26 | 25.6521 | 50 | -0.08 | 98 |
IV.MC2.EHZ. | 2021-08-02T18:37:12.22 | 0.3 | undecidable | manual | S | 65 | 21.5673 | 50 | 0.34 | 70 |
IV.LNSS.HHE. | 2021-08-02T18:37:12.77 | 0.1 | undecidable | manual | S | 163 | 26.0517 | 50 | -0.3 | 93 |
IV.CESI.HHZ. | 2021-08-02T18:37:11.32 | 0.1 | undecidable | manual | S | 350 | 19.9689 | 118 | -0.07 | 99 |
IV.CSP1.EHZ. | 2021-08-02T18:37:10.57 | 0.1 | undecidable | manual | P | 35 | 35.8419 | 50 | 0.01 | 98 |
IV.MML1.EHZ. | 2021-08-02T18:37:10.10 | 0.1 | undecidable | manual | P | 3 | 31.746 | 50 | 0.18 | 95 |
IT.MTCL.HGE. | 2021-08-02T18:37:10.72 | 0.1 | undecidable | manual | S | 13 | 18.87 | 119 | -0.34 | 94 |
IV.GAVE.EHZ. | 2021-08-02T18:37:10.20 | 0.1 | undecidable | manual | S | 197 | 15.7731 | 124 | 0.07 | 100 |
IV.ASSB.HHZ. | 2021-08-02T18:37:10.56 | 0.3 | undecidable | manual | P | 315 | 33.5442 | 50 | 0.37 | 68 |
IV.ARRO.EHZ. | 2021-08-02T18:37:10.16 | 3.0 | positive | manual | P | 0.17 | 0 | |||
IV.NRCA.HHZ. | 2021-08-02T18:37:09.58 | 0.1 | undecidable | manual | S | 87 | 13.4754 | 128 | 0.08 | 100 |
IV.MC2.EHZ. | 2021-08-02T18:37:08.41 | 0.1 | undecidable | manual | P | 65 | 21.5673 | 50 | 0.05 | 99 |
IV.LNSS.HHE. | 2021-08-02T18:37:08.90 | 0.1 | undecidable | manual | P | 163 | 26.0517 | 50 | -0.15 | 96 |
IV.FDMO.HHN. | 2021-08-02T18:37:08.06 | 0.3 | undecidable | manual | P | 26 | 25.6521 | 50 | -0.93 | 56 |
IV.CESI.HHZ. | 2021-08-02T18:37:08.21 | 0.1 | undecidable | manual | P | 350 | 19.9689 | 118 | 0.13 | 98 |
IV.NRCA.HHZ. | 2021-08-02T18:37:07.17 | 0.1 | undecidable | manual | P | 87 | 13.4754 | 128 | 0.18 | 98 |
IT.MTCL.HGE. | 2021-08-02T18:37:07.72 | 0.3 | undecidable | manual | P | 13 | 18.87 | 119 | -0.17 | 73 |
IV.GAVE.EHZ. | 2021-08-02T18:37:07.47 | 0.1 | undecidable | manual | P | 197 | 15.7731 | 124 | 0.11 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:0.9 | 0.00008599999999999999 | 0.16 | AML | other | m | 2021-08-02T18:37:09.77 |
IV.NRCA.HHN. | ML:0.9 | 0.00008085 | 0.4 | AML | other | m | 2021-08-02T18:37:09.73 |
IV.GAVE.EHE. | ML:0.8 | 0.00005332999999999999 | 1.12 | AML | other | m | 2021-08-02T18:37:10.41 |
IV.GAVE.EHN. | ML:0.8 | 0.000050950000000000005 | 0.12 | AML | other | m | 2021-08-02T18:37:11.42 |