A magnitude ML 1.2 earthquake occured in region: 4 km N Norcia (PG), on
and geographic coordinates (lat, lon) 42.8280, 13.0900 at 11 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 | 4 | 4957 | 4957 |
Preci | PG | 7 | 724 | 5681 |
Castelsantangelo sul Nera | MC | 9 | 281 | 5962 |
Visso | MC | 12 | 1107 | 7069 |
Cascia | PG | 14 | 3217 | 10286 |
Ussita | MC | 14 | 444 | 10730 |
Cerreto di Spoleto | PG | 14 | 1075 | 11805 |
Sellano | PG | 15 | 1079 | 12884 |
Poggiodomo | PG | 18 | 117 | 13001 |
Arquata del Tronto | AP | 18 | 1178 | 14179 |
Vallo di Nera | PG | 20 | 364 | 14543 |
Accumoli | RI | 20 | 667 | 15210 |
Monte Cavallo | MC | 20 | 145 | 15355 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.2 | 2020-02-26 18:41:00 |
42.8275 | 13.09 | 11 | 2020-02-26 18:46:54 |
Sala Sismica INGV-Roma | 76845811 |
Field | Value |
---|---|
Time (UTC) | 2020-02-26 18:41:00 ± 0.06 |
Latitude | 42.8275 ± 0.0036 |
Longitude | 13.0900 ± 0.0061 |
Depth (km) | 11 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 76845811 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 501 |
Semi-minor axis of confidence ellipse (meter) | 242 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 120 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 500.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 96 |
Number of associated phases, regardless of their use for origin computation | 18 |
Number of defining phases | 15 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.15 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.27699 |
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 | 1.2 |
Uncertainty | 0.2 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 76845811 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-02-26 18:46:54 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.EL6.EHZ. | 2020-02-26T18:41:10.38 | 3.0 | negative | manual | P | -0.35 | 0 | |||
IV.LNSS.HHZ. | 2020-02-26T18:41:09.47 | 0.6 | undecidable | manual | S | 189 | 25.2525 | 91 | -0.05 | 47 |
IV.FDMO.HHZ. | 2020-02-26T18:41:08.83 | 0.6 | undecidable | manual | S | 359 | 23.1546 | 91 | -0.15 | 47 |
IV.MMO1.EHZ. | 2020-02-26T18:41:08.01 | 0.6 | undecidable | manual | S | 67 | 20.868 | 91 | -0.34 | 45 |
IV.GAVE.EHZ. | 2020-02-26T18:41:08.58 | 0.6 | undecidable | manual | S | 227 | 21.867 | 91 | -0.05 | 48 |
IV.MF5.EHZ. | 2020-02-26T18:41:07.60 | 3.0 | undecidable | manual | P | 0.25 | 0 | |||
IV.T1299.HNZ. | 2020-02-26T18:41:06.06 | 0.1 | undecidable | manual | P | 144 | 26.5512 | 91 | 0.22 | 92 |
IV.CSP1.EHZ. | 2020-02-26T18:41:06.40 | 1.0 | undecidable | manual | P | 18 | 30.747 | 90 | -0.09 | 23 |
IV.MC2.EHZ. | 2020-02-26T18:41:06.36 | 0.3 | undecidable | manual | S | 41 | 12.2766 | 108 | 0.28 | 70 |
IV.MTRA.EHZ. | 2020-02-26T18:41:06.39 | 3.0 | undecidable | manual | P | 0.46 | 0 | |||
IV.GAVE.EHZ. | 2020-02-26T18:41:05.13 | 0.3 | positive | manual | P | 227 | 21.867 | 91 | 0.01 | 72 |
IV.FDMO.HHZ. | 2020-02-26T18:41:05.32 | 0.6 | negative | manual | P | 359 | 23.1546 | 91 | 0 | 48 |
IV.LNSS.HHZ. | 2020-02-26T18:41:05.52 | 0.1 | undecidable | manual | P | 189 | 25.2525 | 91 | -0.11 | 94 |
IV.CESI.HHZ. | 2020-02-26T18:41:05.67 | 0.6 | undecidable | manual | P | 323 | 24.753 | 91 | 0.11 | 47 |
IV.NRCA.HNZ. | 2020-02-26T18:41:04.01 | 0.6 | undecidable | manual | S | 71 | 2.0979 | 166 | -0.26 | 47 |
IV.MMO1.EHZ. | 2020-02-26T18:41:04.87 | 0.3 | positive | manual | P | 67 | 20.868 | 91 | -0.09 | 71 |
IV.MC2.EHZ. | 2020-02-26T18:41:03.88 | 1.0 | negative | manual | P | 41 | 12.2766 | 108 | 0.23 | 24 |
IV.NRCA.HNZ. | 2020-02-26T18:41:02.64 | 0.1 | negative | manual | P | 71 | 2.0979 | 166 | 0.04 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:1.4 | 0.0004049296 | 0.1152 | AML | other | m | 2020-02-26T18:41:04.61 |
IV.NRCA.HHN. | ML:1.4 | 0.000382629 | 0.1536 | AML | other | m | 2020-02-26T18:41:04.06 |
IV.NRCA.HNE. | ML:1.4 | 0.000371086415 | 0.1408 | AML | other | m | 2020-02-26T18:41:04.61 |
IV.NRCA.HNN. | ML:1.3 | 0.0003584912 | 0.1536 | AML | other | m | 2020-02-26T18:41:03.98 |
IV.GAVE.EHE. | ML:1.1 | 0.000083419805 | 0.1792 | AML | other | m | 2020-02-26T18:41:09.95 |
IV.GAVE.EHN. | ML:1.2 | 0.000095671775 | 0.1536 | AML | other | m | 2020-02-26T18:41:09.77 |
IV.GAVE.HNE. | ML:1.3 | 0.000122972685 | 0.2304 | AML | other | m | 2020-02-26T18:41:09.95 |
IV.FDMO.HHE. | ML:1.0 | 0.00005926455 | 0.1152 | AML | other | m | 2020-02-26T18:41:09.62 |
IV.FDMO.HHN. | ML:0.9 | 0.00004273737 | 0.1408 | AML | other | m | 2020-02-26T18:41:09.59 |
IV.LNSS.HHE. | ML:1.2 | 0.00009131868999999999 | 0.1152 | AML | other | m | 2020-02-26T18:41:09.66 |
IV.LNSS.HHN. | ML:1.3 | 0.00010510606 | 0.1792 | AML | other | m | 2020-02-26T18:41:10.21 |
IV.CESI.HHN. | ML:1.0 | 0.000056186765 | 0.2816 | AML | other | m | 2020-02-26T18:41:09.60 |