A magnitude ML 1.2 earthquake occured in region: 4 km W Norcia (PG), on
and geographic coordinates (lat, lon) 42.7840, 13.0400 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 |
---|---|---|---|---|
Norcia | PG | 5 | 4957 | 4957 |
Cascia | PG | 8 | 3217 | 8174 |
Preci | PG | 11 | 724 | 8898 |
Cerreto di Spoleto | PG | 11 | 1075 | 9973 |
Poggiodomo | PG | 12 | 117 | 10090 |
Vallo di Nera | PG | 15 | 364 | 10454 |
Sellano | PG | 15 | 1079 | 11533 |
Castelsantangelo sul Nera | MC | 16 | 281 | 11814 |
Monteleone di Spoleto | PG | 16 | 599 | 12413 |
Visso | MC | 17 | 1107 | 13520 |
Sant'Anatolia di Narco | PG | 18 | 564 | 14084 |
Scheggino | PG | 19 | 461 | 14545 |
Accumoli | RI | 20 | 667 | 15212 |
Ussita | MC | 20 | 444 | 15656 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.2 | 2021-12-02 22:09:56 |
42.7838 | 13.0402 | 10 | 2021-12-02 22:34:49 |
Sala Sismica INGV-Roma | 98076031 |
Field | Value |
---|---|
Time (UTC) | 2021-12-02 22:09:56 ± 0.09 |
Latitude | 42.7838 ± 0.0036 |
Longitude | 13.0402 ± 0.0074 |
Depth (km) | 10 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 98076031 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 650 |
Semi-minor axis of confidence ellipse (meter) | 87 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 259 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 650.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 156 |
Number of associated phases, regardless of their use for origin computation | 20 |
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) | 0.07374 |
Epicentral distance of station farthest from the epicenter (degree) | 0.33095 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.1 |
Num. used stations | 16 |
Type of magnitude | ML |
Reference to an origin | 98076031 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-12-02 22:34:49 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CSP1.EHZ. | 2021-12-02T22:10:09.38 | 0.1 | undecidable | manual | S | 21 | 36.741 | 50 | 0.04 | 96 |
IV.SMA1.EHZ. | 2021-12-02T22:10:07.85 | 0.1 | undecidable | manual | S | 125 | 29.4483 | 50 | 0.44 | 90 |
IV.CESI.HHZ. | 2021-12-02T22:10:06.65 | 0.1 | undecidable | manual | S | 336 | 26.8509 | 50 | -0.07 | 97 |
IV.FDMO.HHZ. | 2021-12-02T22:10:06.82 | 0.1 | undecidable | manual | S | 8 | 28.2495 | 50 | -0.28 | 93 |
IV.MTRA.HNZ. | 2021-12-02T22:10:06.88 | 0.3 | undecidable | manual | S | 96 | 29.1486 | 50 | -0.45 | 67 |
IT.MTCL.HGZ. | 2021-12-02T22:10:05.61 | 0.3 | undecidable | manual | S | 352 | 23.5542 | 113 | -0.19 | 72 |
IV.CSP1.EHZ. | 2021-12-02T22:10:04.23 | 0.1 | undecidable | manual | P | 21 | 36.741 | 50 | 0.14 | 94 |
IV.FEMA.HNZ. | 2021-12-02T22:10:04.58 | 0.3 | undecidable | manual | S | 2 | 19.7691 | 117 | -0.05 | 74 |
IV.MC2.EHZ. | 2021-12-02T22:10:04.35 | 0.1 | undecidable | manual | S | 40 | 18.6702 | 119 | 0.08 | 99 |
IV.LNSS.HHZ. | 2021-12-02T22:10:04.51 | 0.1 | undecidable | manual | S | 180 | 20.0688 | 117 | -0.21 | 96 |
IV.SMA1.EHZ. | 2021-12-02T22:10:03.16 | 0.1 | undecidable | manual | P | 125 | 29.4483 | 50 | 0.19 | 95 |
IV.MTRA.HNZ. | 2021-12-02T22:10:02.38 | 0.3 | undecidable | manual | P | 96 | 29.1486 | 50 | -0.54 | 65 |
IV.CESI.HHZ. | 2021-12-02T22:10:02.66 | 0.1 | negative | manual | P | 336 | 26.8509 | 50 | 0.09 | 97 |
IT.MTCL.HGZ. | 2021-12-02T22:10:02.06 | 0.3 | undecidable | manual | P | 352 | 23.5542 | 113 | 0.02 | 74 |
IV.FDMO.HHZ. | 2021-12-02T22:10:02.77 | 0.1 | undecidable | manual | P | 8 | 28.2495 | 50 | -0.01 | 98 |
IV.MC2.EHZ. | 2021-12-02T22:10:01.33 | 0.1 | undecidable | manual | P | 40 | 18.6702 | 119 | 0.17 | 97 |
IV.LNSS.HHZ. | 2021-12-02T22:10:01.37 | 0.1 | undecidable | manual | P | 180 | 20.0688 | 117 | -0.05 | 99 |
IV.NRCA.HHZ. | 2021-12-02T22:10:01.22 | 0.1 | undecidable | manual | S | 48 | 8.1807 | 141 | -0.22 | 97 |
IV.FEMA.HNZ. | 2021-12-02T22:10:01.93 | 0.3 | undecidable | manual | P | 2 | 19.7691 | 117 | 0.57 | 66 |
IV.NRCA.HHZ. | 2021-12-02T22:09:59.62 | 0.1 | undecidable | manual | P | 48 | 8.1807 | 141 | 0.1 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.2 | 0.0002069087 | 0.1408 | AML | other | m | 2021-12-02T22:10:01.33 |
IV.NRCA.HHE. | ML:1.3 | 0.0002727731 | 0.0768 | AML | other | m | 2021-12-02T22:10:01.33 |
IV.NRCA.HNE. | ML:1.3 | 0.000266185 | 0.1408 | AML | other | m | 2021-12-02T22:10:01.41 |
IV.NRCA.HNN. | ML:1.3 | 0.0002533448 | 0.1536 | AML | other | m | 2021-12-02T22:10:01.41 |
IV.MC2.EHE. | ML:1.2 | 0.00013796146 | 0.128 | AML | other | m | 2021-12-02T22:10:04.64 |
IV.MC2.EHN. | ML:1.1 | 0.0001024859 | 0.1536 | AML | other | m | 2021-12-02T22:10:04.63 |
IV.LNSS.HNE. | ML:1.2 | 0.000111215495 | 0.1152 | AML | other | m | 2021-12-02T22:10:04.81 |
IV.LNSS.HNN. | ML:1.2 | 0.00012472295915 | 0.1536 | AML | other | m | 2021-12-02T22:10:04.94 |
IV.LNSS.HHE. | ML:1.2 | 0.00013235540000000002 | 0.1152 | AML | other | m | 2021-12-02T22:10:04.81 |
IV.LNSS.HHN. | ML:1.3 | 0.0001465335 | 0.1408 | AML | other | m | 2021-12-02T22:10:04.93 |
IV.CESI.HHE. | ML:1.0 | 0.000050225414999999996 | 0.4096 | AML | other | m | 2021-12-02T22:10:07.00 |
IV.CESI.HHN. | ML:1.3 | 0.000103943105 | 0.32 | AML | other | m | 2021-12-02T22:10:06.96 |
IV.FDMO.HHE. | ML:1.0 | 0.000054992110000000006 | 0.256 | AML | other | m | 2021-12-02T22:10:06.99 |
IV.FDMO.HHN. | ML:0.9 | 0.00004191979999999999 | 0.1408 | AML | other | m | 2021-12-02T22:10:07.14 |
IV.SMA1.EHE. | ML:1.0 | 0.0000496871365 | 0.4736 | AML | other | m | 2021-12-02T22:10:08.31 |
IV.SMA1.EHN. | ML:1.0 | 0.0000435170215 | 0.1152 | AML | other | m | 2021-12-02T22:10:08.54 |