A magnitude ML 0.5 earthquake occured in region: 2 km E Visso (MC), on
and geographic coordinates (lat, lon) 42.9260, 13.1140 at 8 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 |
---|---|---|---|---|
Visso | MC | 2 | 1107 | 1107 |
Ussita | MC | 3 | 444 | 1551 |
Castelsantangelo sul Nera | MC | 5 | 281 | 1832 |
Preci | PG | 8 | 724 | 2556 |
Monte Cavallo | MC | 12 | 145 | 2701 |
Bolognola | MC | 12 | 142 | 2843 |
Fiordimonte | MC | 13 | 202 | 3045 |
Acquacanina | MC | 13 | 121 | 3166 |
Fiastra | MC | 13 | 559 | 3725 |
Pieve Torina | MC | 14 | 1458 | 5183 |
Norcia | PG | 15 | 4957 | 10140 |
Pievebovigliana | MC | 15 | 866 | 11006 |
Sellano | PG | 16 | 1079 | 12085 |
Montemonaco | AP | 18 | 604 | 12689 |
Muccia | MC | 18 | 915 | 13604 |
Montefortino | FM | 19 | 1178 | 14782 |
Sarnano | MC | 20 | 3264 | 18046 |
Cerreto di Spoleto | PG | 20 | 1075 | 19121 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.5 | 2021-10-18 20:14:34 |
42.9263 | 13.1142 | 8 | 2021-10-18 20:26:29 |
Sala Sismica INGV-Roma | 96736021 |
Field | Value |
---|---|
Time (UTC) | 2021-10-18 20:14:34 ± 0.13 |
Latitude | 42.9263 ± 0.0027 |
Longitude | 13.1142 ± 0.0037 |
Depth (km) | 8 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 96736021 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 310 |
Semi-minor axis of confidence ellipse (meter) | 70 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 238 |
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) | 82 |
Number of associated phases, regardless of their use for origin computation | 22 |
Number of defining phases | 18 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.16 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.28419 |
Number of stations at which the event was observed | 12 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 0.5 |
Uncertainty | 0.2 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 96736021 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-10-18 20:26:29 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CING.HHZ. | 2021-10-18T20:14:49.01 | 3.0 | undecidable | manual | S | -1.83 | 0 | |||
IV.EL6.EHZ. | 2021-10-18T20:14:49.22 | 3.0 | undecidable | manual | S | -0.02 | 0 | |||
IV.GAVE.EHZ. | 2021-10-18T20:14:45.09 | 0.6 | undecidable | manual | S | 215 | 31.5462 | 104 | -0.28 | 47 |
IV.MF5.EHZ. | 2021-10-18T20:14:44.89 | 0.3 | undecidable | manual | S | 76 | 28.8489 | 105 | 0.42 | 68 |
IV.MML1.EHZ. | 2021-10-18T20:14:42.68 | 0.3 | undecidable | manual | S | 331 | 23.754 | 108 | -0.09 | 74 |
IV.CSP1.EHZ. | 2021-10-18T20:14:41.28 | 0.3 | undecidable | manual | S | 22 | 19.7691 | 112 | -0.19 | 73 |
IV.CESI.HHZ. | 2021-10-18T20:14:41.51 | 0.6 | undecidable | manual | S | 297 | 19.0698 | 112 | 0.25 | 48 |
IV.MMO1.EHZ. | 2021-10-18T20:14:40.43 | 0.6 | undecidable | manual | S | 100 | 17.5713 | 114 | -0.33 | 47 |
IV.MF5.EHZ. | 2021-10-18T20:14:40.10 | 1.0 | negative | manual | P | 76 | 28.8489 | 105 | 0.02 | 25 |
IV.GAVE.EHZ. | 2021-10-18T20:14:40.44 | 0.6 | negative | manual | P | 215 | 31.5462 | 104 | -0.16 | 48 |
IV.MML1.EHZ. | 2021-10-18T20:14:39.37 | 1.0 | undecidable | manual | P | 331 | 23.754 | 108 | 0.27 | 24 |
IV.FDMO.HHZ. | 2021-10-18T20:14:39.07 | 0.6 | undecidable | manual | S | 350 | 12.3765 | 122 | -0.12 | 50 |
IV.CESI.HHZ. | 2021-10-18T20:14:38.34 | 0.1 | undecidable | manual | P | 297 | 19.0698 | 112 | 0.12 | 99 |
IV.NRCA.HHZ. | 2021-10-18T20:14:38.63 | 0.6 | undecidable | manual | S | 180 | 10.2786 | 127 | 0.05 | 51 |
IV.CSP1.EHZ. | 2021-10-18T20:14:38.18 | 0.6 | positive | manual | P | 22 | 19.7691 | 112 | -0.17 | 49 |
IV.FDMO.HHZ. | 2021-10-18T20:14:37.05 | 0.6 | negative | manual | P | 350 | 12.3765 | 122 | 0.02 | 51 |
IV.MC2.EHZ. | 2021-10-18T20:14:37.59 | 0.6 | undecidable | manual | S | 105 | 6.2937 | 141 | 0.01 | 52 |
IV.MMO1.EHZ. | 2021-10-18T20:14:37.78 | 0.3 | positive | manual | P | 100 | 17.5713 | 114 | -0.16 | 74 |
IV.FEMA.HNZ. | 2021-10-18T20:14:37.75 | 3.0 | undecidable | manual | S | 0 | ||||
IV.NRCA.HHZ. | 2021-10-18T20:14:36.82 | 0.1 | undecidable | manual | P | 180 | 10.2786 | 127 | 0.14 | 100 |
IV.MC2.EHZ. | 2021-10-18T20:14:36.22 | 0.6 | positive | manual | P | 105 | 6.2937 | 141 | 0.11 | 51 |
IV.FEMA.HNZ. | 2021-10-18T20:14:33.72 | 3.0 | undecidable | manual | P | 0 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:0.6 | 0.000055562379999999994 | 0.1408 | AML | other | m | 2021-10-18T20:14:20.03 |
IV.FDMO.HHN. | ML:0.1 | 0.000015463782 | 0.4224 | AML | other | m | 2021-10-18T20:14:20.37 |
IV.FDMO.HHE. | ML:0.1 | 0.000014734708 | 0.1536 | AML | other | m | 2021-10-18T20:14:20.32 |
IV.NRCA.HHN. | ML:0.3 | 0.000029286970000000004 | 0.064 | AML | other | m | 2021-10-18T20:14:20.24 |
IV.CESI.HHN. | ML:0.6 | 0.000036698974999999994 | 0.1408 | AML | other | m | 2021-10-18T20:14:22.94 |
IV.CESI.HHE. | ML:0.4 | 0.000019057285 | 0.256 | AML | other | m | 2021-10-18T20:14:23.07 |
IV.GAVE.EHN. | ML:0.0 | 0.00001357726 | 0.2816 | AML | other | m | 2021-10-18T20:14:26.62 |
IV.GAVE.EHE. | ML:0.0 | 0.0000175161315 | 0.3584 | AML | other | m | 2021-10-18T20:14:26.88 |
IV.CSP1.EHE. | ML:0.8 | 0.00004835754 | 0.32 | AML | other | m | 2021-10-18T20:14:22.96 |
IV.CSP1.EHN. | ML:0.8 | 0.000049446346 | 0.4224 | AML | other | m | 2021-10-18T20:14:23.12 |