A magnitude ML 1.1 earthquake occured in region: 5 km SE Sellano (PG), on
and geographic coordinates (lat, lon) 42.8550, 12.9600 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 |
---|---|---|---|---|
Sellano | PG | 5 | 1079 | 1079 |
Cerreto di Spoleto | PG | 5 | 1075 | 2154 |
Preci | PG | 7 | 724 | 2878 |
Vallo di Nera | PG | 12 | 364 | 3242 |
Norcia | PG | 13 | 4957 | 8199 |
Visso | MC | 14 | 1107 | 9306 |
Campello sul Clitunno | PG | 15 | 2442 | 11748 |
Cascia | PG | 16 | 3217 | 14965 |
Monte Cavallo | MC | 16 | 145 | 15110 |
Poggiodomo | PG | 16 | 117 | 15227 |
Castelsantangelo sul Nera | MC | 16 | 281 | 15508 |
Sant'Anatolia di Narco | PG | 17 | 564 | 16072 |
Trevi | PG | 17 | 8469 | 24541 |
Ussita | MC | 18 | 444 | 24985 |
Scheggino | PG | 19 | 461 | 25446 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.1 | 2020-12-31 07:01:00 |
42.8552 | 12.9598 | 10 | 2021-02-26 14:56:20 |
Bollettino Sismico Italiano INGV | 87478501 |
Reviewed Rev100 |
ML 1.1 | 2020-12-31 07:01:00 |
42.8552 | 12.9602 | 10 | 2020-12-31 07:50:01 |
Sala Sismica INGV-Roma | 85899271 |
Field | Value |
---|---|
Time (UTC) | 2020-12-31 07:01:00 ± 0.04 |
Latitude | 42.8552 ± 0.0018 |
Longitude | 12.9598 ± 0.0037 |
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 | 87478501 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 283 |
Semi-minor axis of confidence ellipse (meter) | 209 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 90 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 280.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 95 |
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) | 0.12 |
Epicentral distance of station closest to the epicenter (degree) | 0.11511 |
Epicentral distance of station farthest from the epicenter (degree) | 0.29048 |
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 | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 87478501 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-02-25 13:30:26 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 85899271 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-12-31 07:50:01 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ASSB.HHN. | 2020-12-31T07:01:11.49 | 0.6 | undecidable | manual | S | 310 | 32.1456 | 50 | -0.16 | 47 |
IV.MOMA.HHZ. | 2020-12-31T07:01:11.57 | 0.3 | undecidable | manual | S | 260 | 32.2455 | 50 | -0.11 | 72 |
IV.FDMO.HHZ. | 2020-12-31T07:01:08.70 | 0.1 | undecidable | manual | S | 27 | 22.6551 | 114 | -0.21 | 95 |
IV.CESI.HHZ. | 2020-12-31T07:01:07.24 | 0.1 | undecidable | manual | S | 345 | 17.1717 | 120 | 0.01 | 100 |
IV.GAVE.EHZ. | 2020-12-31T07:01:07.55 | 0.3 | undecidable | manual | S | 196 | 18.87 | 118 | -0.18 | 72 |
IV.MOMA.HHZ. | 2020-12-31T07:01:07.22 | 0.6 | undecidable | manual | P | 260 | 32.2455 | 50 | 0.33 | 46 |
IV.MC2.EHE. | 2020-12-31T07:01:07.93 | 0.3 | undecidable | manual | S | 71 | 19.6692 | 117 | -0.05 | 74 |
IV.ASSB.HHN. | 2020-12-31T07:01:06.88 | 0.3 | undecidable | manual | P | 310 | 32.1456 | 50 | 0.01 | 73 |
IV.FEMA.HNE. | 2020-12-31T07:01:06.44 | 0.6 | undecidable | manual | S | 32 | 13.9749 | 125 | 0.17 | 49 |
IT.MTCL.HGZ. | 2020-12-31T07:01:06.72 | 0.3 | undecidable | manual | S | 12 | 15.7731 | 122 | -0.07 | 74 |
IV.NRCA.HHZ. | 2020-12-31T07:01:05.89 | 0.3 | undecidable | manual | S | 101 | 12.7761 | 128 | -0.06 | 75 |
IV.FDMO.HHZ. | 2020-12-31T07:01:05.20 | 0.1 | undecidable | manual | P | 27 | 22.6551 | 114 | -0.09 | 97 |
IV.GAVE.EHZ. | 2020-12-31T07:01:04.64 | 0.1 | undecidable | manual | P | 196 | 18.87 | 118 | 0.03 | 99 |
IV.MC2.EHE. | 2020-12-31T07:01:04.84 | 0.3 | undecidable | manual | P | 71 | 19.6692 | 117 | 0.09 | 74 |
IT.MTCL.HGZ. | 2020-12-31T07:01:04.17 | 0.3 | undecidable | manual | P | 12 | 15.7731 | 122 | 0.1 | 74 |
IV.CESI.HHZ. | 2020-12-31T07:01:04.43 | 0.1 | undecidable | manual | P | 345 | 17.1717 | 120 | 0.11 | 98 |
IV.FEMA.HNE. | 2020-12-31T07:01:03.98 | 0.6 | undecidable | manual | P | 32 | 13.9749 | 125 | 0.21 | 48 |
IV.NRCA.HHZ. | 2020-12-31T07:01:03.66 | 0.1 | undecidable | manual | P | 101 | 12.7761 | 128 | 0.08 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.4 | 0.00028300000000000005 | 0.1 | AML | other | m | 2020-12-31T07:01:06.01 |
IV.NRCA.HHE. | ML:1.2 | 0.00016399999999999997 | 1.46 | AML | other | m | 2020-12-31T07:01:06.09 |
IV.CESI.HHN. | ML:0.8 | 0.0000615 | 0.62 | AML | other | m | 2020-12-31T07:01:07.54 |
IV.CESI.HHE. | ML:0.8 | 0.0000614 | 0.6 | AML | other | m | 2020-12-31T07:01:07.59 |
IV.FDMO.HHE. | ML:1.3 | 0.00013915 | 0.18 | AML | other | m | 2020-12-31T07:01:08.88 |
IV.FDMO.HHN. | ML:1.0 | 0.0000637 | 1.4 | AML | other | m | 2020-12-31T07:01:08.14 |