A magnitude ML 1.3 earthquake occured in region: 2 km NE Norcia (PG), on
and geographic coordinates (lat, lon) 42.8080, 13.1030 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 | 2 | 4957 | 4957 |
Preci | PG | 10 | 724 | 5681 |
Castelsantangelo sul Nera | MC | 11 | 281 | 5962 |
Cascia | PG | 12 | 3217 | 9179 |
Visso | MC | 14 | 1107 | 10286 |
Cerreto di Spoleto | PG | 15 | 1075 | 11361 |
Ussita | MC | 16 | 444 | 11805 |
Arquata del Tronto | AP | 16 | 1178 | 12983 |
Sellano | PG | 17 | 1079 | 14062 |
Poggiodomo | PG | 17 | 117 | 14179 |
Accumoli | RI | 17 | 667 | 14846 |
Montegallo | AP | 19 | 523 | 15369 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.3 | 2020-05-21 08:48:16 |
42.8083 | 13.1027 | 11 | 2020-05-21 08:57:27 |
Sala Sismica INGV-Roma | 79398841 |
Field | Value |
---|---|
Time (UTC) | 2020-05-21 08:48:16 ± 0.04 |
Latitude | 42.8083 ± 0.0009 |
Longitude | 13.1027 ± 0.0012 |
Depth (km) | 11 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 79398841 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 500 |
Semi-minor axis of confidence ellipse (meter) | 160 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 324 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 160.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 77 |
Number of associated phases, regardless of their use for origin computation | 22 |
Number of defining phases | 22 |
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) | 0.02698 |
Epicentral distance of station farthest from the epicenter (degree) | 0.41189 |
Number of stations at which the event was observed | 13 |
Number of stations from which data was used for origin computation | 13 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.2 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 79398841 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-05-21 08:57:27 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.TERO.HHZ. | 2020-05-21T08:48:31.26 | 0.1 | undecidable | manual | S | 117 | 45.7209 | 90 | 0.06 | 93 |
IV.CSP1.EHZ. | 2020-05-21T08:48:27.80 | 0.3 | undecidable | manual | S | 15 | 32.5452 | 90 | 0.13 | 70 |
IV.CESI.HHZ. | 2020-05-21T08:48:26.25 | 0.3 | undecidable | manual | S | 324 | 27.0507 | 90 | 0.03 | 73 |
IV.LNSS.HHZ. | 2020-05-21T08:48:25.27 | 0.3 | undecidable | manual | S | 193 | 23.3544 | 90 | 0.05 | 74 |
IV.FDMO.HHZ. | 2020-05-21T08:48:25.75 | 0.3 | undecidable | manual | S | 357 | 25.3524 | 90 | 0 | 73 |
IV.MTRA.EHZ. | 2020-05-21T08:48:25.40 | 0.3 | undecidable | manual | S | 103 | 24.6531 | 90 | -0.16 | 71 |
IV.TERO.HHZ. | 2020-05-21T08:48:24.77 | 0.6 | undecidable | manual | P | 117 | 45.7209 | 90 | -0.23 | 45 |
IV.MOMA.HNZ. | 2020-05-21T08:48:24.81 | 0.6 | undecidable | manual | P | 270 | 43.3233 | 90 | 0.18 | 46 |
IV.MMO1.EHZ. | 2020-05-21T08:48:24.32 | 0.1 | undecidable | manual | S | 61 | 20.868 | 90 | -0.23 | 94 |
IV.RM33.EHN. | 2020-05-21T08:48:23.25 | 0.3 | undecidable | manual | P | 165 | 34.4433 | 90 | -0.01 | 72 |
IV.CSP1.EHZ. | 2020-05-21T08:48:22.95 | 0.1 | undecidable | manual | P | 15 | 32.5452 | 90 | -0.01 | 97 |
IV.CESI.HHZ. | 2020-05-21T08:48:22.08 | 0.3 | negative | manual | P | 324 | 27.0507 | 90 | -0.05 | 72 |
IV.SMA1.EHZ. | 2020-05-21T08:48:22.31 | 0.3 | undecidable | manual | P | 136 | 27.3504 | 90 | 0.14 | 71 |
IV.MC2.EHZ. | 2020-05-21T08:48:22.82 | 0.3 | undecidable | manual | S | 32 | 13.3755 | 94 | 0.25 | 71 |
IV.MTRA.EHZ. | 2020-05-21T08:48:21.99 | 0.6 | undecidable | manual | P | 103 | 24.6531 | 90 | 0.25 | 47 |
IV.MMO1.EHZ. | 2020-05-21T08:48:21.04 | 0.1 | undecidable | manual | P | 61 | 20.868 | 90 | -0.12 | 96 |
IV.LNSS.HHZ. | 2020-05-21T08:48:21.44 | 0.1 | positive | manual | P | 193 | 23.3544 | 90 | -0.11 | 96 |
IV.FDMO.HHZ. | 2020-05-21T08:48:21.93 | 0.3 | undecidable | manual | P | 357 | 25.3524 | 90 | 0.08 | 72 |
IT.MTCL.HGE. | 2020-05-21T08:48:21.32 | 0.3 | undecidable | manual | P | 338 | 22.2555 | 90 | -0.05 | 73 |
IV.MC2.EHZ. | 2020-05-21T08:48:20.21 | 0.6 | undecidable | manual | P | 32 | 13.3755 | 94 | 0.19 | 48 |
IV.NRCA.HNZ. | 2020-05-21T08:48:20.43 | 0.1 | undecidable | manual | S | 19 | 2.997 | 160 | -0.08 | 100 |
IV.NRCA.HNZ. | 2020-05-21T08:48:18.93 | 0.1 | negative | manual | P | 19 | 2.997 | 160 | 0.1 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:1.3 | 0.000312 | 0.14 | AML | other | m | 2020-05-21T08:48:20.58 |
IV.NRCA.HHN. | ML:1.4 | 0.0004345 | 0.8 | AML | other | m | 2020-05-21T08:48:21.53 |
IV.LNSS.HHN. | ML:1.4 | 0.0001545 | 0.78 | AML | other | m | 2020-05-21T08:48:25.81 |
IV.LNSS.HHE. | ML:1.5 | 0.00020150000000000002 | 0.18 | AML | other | m | 2020-05-21T08:48:26.12 |
IV.MTRA.EHN. | ML:1.1 | 0.00008055 | 1.78 | AML | other | m | 2020-05-21T08:48:26.07 |
IV.FDMO.HHE. | ML:1.2 | 0.00008295 | 0.24 | AML | other | m | 2020-05-21T08:48:26.21 |
IV.MTRA.EHE. | ML:1.3 | 0.00010815 | 0.94 | AML | other | m | 2020-05-21T08:48:26.55 |
IV.FDMO.HHN. | ML:1.0 | 0.0000596 | 1.36 | AML | other | m | 2020-05-21T08:48:26.19 |
IV.CSP1.EHE. | ML:1.4 | 0.00010664999999999999 | 0.32 | AML | other | m | 2020-05-21T08:48:28.56 |
IV.CSP1.EHN. | ML:1.5 | 0.00013874999999999998 | 0.42 | AML | other | m | 2020-05-21T08:48:28.73 |
IV.TERO.HHE. | ML:1.0 | 0.00003065 | 0.86 | AML | other | m | 2020-05-21T08:48:32.45 |
IV.TERO.HHN. | ML:1.1 | 0.0000334 | 1.04 | AML | other | m | 2020-05-21T08:48:33.63 |