A magnitude ML 0.5 earthquake occured in region: 5 km SW Preci (PG), on
and geographic coordinates (lat, lon) 42.8490, 12.9950 at 10 km depth.
The earthquake was located by: Bollettino Sismico Italiano INGV.
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 |
---|---|---|---|---|
Preci | PG | 5 | 724 | 724 |
Sellano | PG | 7 | 1079 | 1803 |
Cerreto di Spoleto | PG | 7 | 1075 | 2878 |
Norcia | PG | 10 | 4957 | 7835 |
Visso | MC | 12 | 1107 | 8942 |
Castelsantangelo sul Nera | MC | 14 | 281 | 9223 |
Vallo di Nera | PG | 14 | 364 | 9587 |
Cascia | PG | 15 | 3217 | 12804 |
Ussita | MC | 16 | 444 | 13248 |
Poggiodomo | PG | 16 | 117 | 13365 |
Monte Cavallo | MC | 16 | 145 | 13510 |
Campello sul Clitunno | PG | 18 | 2442 | 15952 |
Sant'Anatolia di Narco | PG | 18 | 564 | 16516 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 0.5 | 2020-12-19 17:42:52 |
42.8493 | 12.9953 | 10 | 2021-02-26 14:56:14 |
Bollettino Sismico Italiano INGV | 86217761 |
Reviewed Rev100 |
ML 0.5 | 2020-12-19 17:42:52 |
42.8468 | 12.9967 | 10 | 2020-12-19 17:54:14 |
Sala Sismica INGV-Roma | 85551801 |
Field | Value |
---|---|
Time (UTC) | 2020-12-19 17:42:52 ± 0.05 |
Latitude | 42.8493 ± 0.0018 |
Longitude | 12.9953 ± 0.0049 |
Depth (km) | 10 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 86217761 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 353 |
Semi-minor axis of confidence ellipse (meter) | 174 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 97 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 350.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 75 |
Number of associated phases, regardless of their use for origin computation | 21 |
Number of defining phases | 21 |
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) | 0.08903 |
Epicentral distance of station farthest from the epicenter (degree) | 0.33185 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 11 |
Field | Value |
---|---|
Value | 0.5 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 86217761 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-01-13 08:27:10 |
Field | Value |
---|---|
Value | 0.5 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 85551801 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-12-19 17:54:14 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MOMA.HNZ. | 2020-12-19T17:43:04.05 | 0.6 | undecidable | manual | S | 262 | 34.9428 | 50 | 0.02 | 48 |
IV.CSP1.EHZ. | 2020-12-19T17:43:03.33 | 0.6 | undecidable | manual | S | 32 | 31.8459 | 50 | 0.14 | 47 |
IV.MML1.HNZ. | 2020-12-19T17:43:02.41 | 0.3 | undecidable | manual | S | 356 | 29.3484 | 50 | -0.12 | 72 |
IV.LNSS.HNZ. | 2020-12-19T17:43:01.64 | 0.3 | undecidable | manual | S | 172 | 27.5502 | 50 | -0.42 | 68 |
IV.FDMO.HHZ. | 2020-12-19T17:43:00.28 | 0.1 | undecidable | manual | S | 20 | 22.0668 | 115 | -0.21 | 95 |
IV.MC2.EHZ. | 2020-12-19T17:42:59.14 | 0.3 | undecidable | manual | S | 66 | 17.1717 | 121 | 0.15 | 73 |
IV.CESI.HHZ. | 2020-12-19T17:42:59.43 | 0.3 | undecidable | manual | S | 337 | 18.7701 | 119 | -0.04 | 74 |
IV.MOMA.HNZ. | 2020-12-19T17:42:59.05 | 0.6 | undecidable | manual | P | 262 | 34.9428 | 50 | 0.09 | 48 |
IV.GAVE.EHZ. | 2020-12-19T17:42:59.57 | 0.3 | undecidable | manual | S | 205 | 19.2696 | 118 | -0.05 | 74 |
IV.SMA1.EHN. | 2020-12-19T17:42:59.84 | 0.6 | undecidable | manual | P | 131 | 36.8298 | 50 | 0.59 | 42 |
IV.MML1.HNZ. | 2020-12-19T17:42:58.25 | 0.3 | undecidable | manual | P | 356 | 29.3484 | 50 | 0.15 | 71 |
IV.CSP1.EHZ. | 2020-12-19T17:42:58.36 | 0.6 | undecidable | manual | P | 32 | 31.8459 | 50 | -0.12 | 48 |
IV.LNSS.HNZ. | 2020-12-19T17:42:57.85 | 0.3 | undecidable | manual | P | 172 | 27.5502 | 50 | 0.02 | 73 |
IV.FEMA.HNZ. | 2020-12-19T17:42:57.96 | 0.3 | undecidable | manual | S | 19 | 13.2756 | 128 | 0.09 | 74 |
IV.NRCA.HNZ. | 2020-12-19T17:42:56.76 | 0.3 | undecidable | manual | S | 100 | 9.879 | 136 | -0.21 | 73 |
IV.GAVE.EHZ. | 2020-12-19T17:42:56.56 | 0.1 | undecidable | manual | P | 205 | 19.2696 | 118 | 0.14 | 97 |
IV.FDMO.HHZ. | 2020-12-19T17:42:56.83 | 0.1 | undecidable | manual | P | 20 | 22.0668 | 115 | -0.1 | 97 |
IV.MC2.EHZ. | 2020-12-19T17:42:56.08 | 0.3 | undecidable | manual | P | 66 | 17.1717 | 121 | 0.02 | 75 |
IV.CESI.HHZ. | 2020-12-19T17:42:56.34 | 0.3 | undecidable | manual | P | 337 | 18.7701 | 119 | 0.01 | 75 |
IV.FEMA.HNZ. | 2020-12-19T17:42:55.55 | 0.6 | undecidable | manual | P | 19 | 13.2756 | 128 | 0.14 | 49 |
IV.NRCA.HNZ. | 2020-12-19T17:42:54.96 | 0.1 | undecidable | manual | P | 100 | 9.879 | 136 | 0.07 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.CESI.HHE. | ML:0.5 | 0.00002279391 | 0.0768 | AML | other | m | 2020-12-19T17:42:59.72 |
IV.CESI.HHN. | ML:0.8 | 0.00004507399 | 0.1664 | AML | other | m | 2020-12-19T17:42:59.71 |
IV.GAVE.EHN. | ML:0.6 | 0.000030515623499999997 | 0.1792 | AML | other | m | 2020-12-19T17:42:59.80 |
IV.GAVE.EHE. | ML:0.8 | 0.000045969405 | 0.1408 | AML | other | m | 2020-12-19T17:42:59.87 |
IV.FDMO.HHE. | ML:0.2 | 0.000012176365 | 0.1408 | AML | other | m | 2020-12-19T17:43:00.34 |
IV.FDMO.HHN. | ML:0.4 | 0.000014332834999999998 | 0.1152 | AML | other | m | 2020-12-19T17:43:00.57 |