A magnitude ML 0.9 earthquake occured in region: 6 km W Sellano (PG), on
and geographic coordinates (lat, lon) 42.9040, 12.8580 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 |
---|---|---|---|---|
Sellano | PG | 6 | 1079 | 1079 |
Trevi | PG | 9 | 8469 | 9548 |
Cerreto di Spoleto | PG | 11 | 1075 | 10623 |
Campello sul Clitunno | PG | 11 | 2442 | 13065 |
Foligno | PG | 14 | 57155 | 70220 |
Vallo di Nera | PG | 15 | 364 | 70584 |
Preci | PG | 15 | 724 | 71308 |
Monte Cavallo | MC | 16 | 145 | 71453 |
Montefalco | PG | 17 | 5679 | 77132 |
Castel Ritaldi | PG | 18 | 3278 | 80410 |
Spello | PG | 18 | 8645 | 89055 |
Sant'Anatolia di Narco | PG | 19 | 564 | 89619 |
Visso | MC | 19 | 1107 | 90726 |
Valtopina | PG | 19 | 1398 | 92124 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2021-08-31 08:39:26 |
42.9038 | 12.8583 | 10 | 2021-08-31 08:48:26 |
Sala Sismica INGV-Roma | 94859041 |
Field | Value |
---|---|
Time (UTC) | 2021-08-31 08:39:26 ± 0.42 |
Latitude | 42.9038 ± 0.0072 |
Longitude | 12.8583 ± 0.0098 |
Depth (km) | 10 ± 3 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 94859041 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 869 |
Semi-minor axis of confidence ellipse (meter) | 359 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 121 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 870.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 121 |
Number of associated phases, regardless of their use for origin computation | 14 |
Number of defining phases | 10 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.38 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.23382 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 94859041 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-08-31 08:48:26 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.PE3.EHZ. | 2021-08-31T08:39:36.66 | 3.0 | negative | manual | P | 0.51 | 0 | |||
IV.FAGN.HHZ. | 2021-08-31T08:39:36.57 | 3.0 | undecidable | manual | S | 0 | ||||
IV.MOMA.HHZ. | 2021-08-31T08:39:35.75 | 0.1 | undecidable | manual | S | 245 | 25.9518 | 110 | -0.14 | 98 |
IV.ASSB.HHZ. | 2021-08-31T08:39:34.26 | 0.1 | undecidable | manual | S | 314 | 22.3554 | 113 | -0.48 | 92 |
IV.FDMO.HHZ. | 2021-08-31T08:39:34.96 | 0.1 | undecidable | manual | S | 52 | 23.6541 | 112 | -0.21 | 97 |
IV.GAVE.EHZ. | 2021-08-31T08:39:34.98 | 0.1 | undecidable | manual | S | 173 | 23.6541 | 112 | -0.18 | 97 |
IV.MOMA.HHZ. | 2021-08-31T08:39:32.54 | 0.1 | undecidable | manual | P | 245 | 25.9518 | 110 | 0.7 | 84 |
IV.FAGN.HHZ. | 2021-08-31T08:39:31.64 | 3.0 | undecidable | manual | P | 0 | ||||
IV.ASSB.HHZ. | 2021-08-31T08:39:31.14 | 1.0 | undecidable | manual | P | 314 | 22.3554 | 113 | -0.03 | 25 |
IV.MML1.EHZ. | 2021-08-31T08:39:31.59 | 3.0 | positive | manual | P | 2.55 | 0 | |||
IV.FDMO.HHZ. | 2021-08-31T08:39:31.25 | 0.1 | undecidable | manual | P | 52 | 23.6541 | 112 | -0.17 | 98 |
IV.CESI.HHZ. | 2021-08-31T08:39:31.88 | 0.1 | undecidable | manual | S | 19 | 11.7771 | 129 | 0.3 | 97 |
IV.GAVE.EHZ. | 2021-08-31T08:39:31.36 | 0.1 | undecidable | manual | P | 173 | 23.6541 | 112 | -0.05 | 100 |
IV.CESI.HHZ. | 2021-08-31T08:39:29.66 | 0.1 | undecidable | manual | P | 19 | 11.7771 | 129 | 0.31 | 97 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.CESI.HHN. | ML:1.2 | 0.000183 | 0.28 | AML | other | m | 2021-08-31T08:39:32.32 |
IV.CESI.HHE. | ML:0.9 | 0.0000828 | 0.32 | AML | other | m | 2021-08-31T08:39:32.19 |
IV.ASSB.HHN. | ML:0.7 | 0.00003275 | 0.42 | AML | other | m | 2021-08-31T08:39:34.61 |
IV.ASSB.HHE. | ML:0.7 | 0.00003395 | 0.4 | AML | other | m | 2021-08-31T08:39:34.83 |
IV.GAVE.EHE. | ML:1.0 | 0.00006415 | 1.2 | AML | other | m | 2021-08-31T08:39:35.73 |
IV.GAVE.EHN. | ML:1.0 | 0.00007240000000000001 | 0.18 | AML | other | m | 2021-08-31T08:39:35.21 |