A magnitude ML 0.8 earthquake occured in region: 5 km NE Norcia (PG), on
and geographic coordinates (lat, lon) 42.8380, 13.1210 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 | 6 | 4957 | 4957 |
Castelsantangelo sul Nera | MC | 7 | 281 | 5238 |
Preci | PG | 8 | 724 | 5962 |
Visso | MC | 11 | 1107 | 7069 |
Ussita | MC | 12 | 444 | 7513 |
Cascia | PG | 16 | 3217 | 10730 |
Arquata del Tronto | AP | 16 | 1178 | 11908 |
Cerreto di Spoleto | PG | 17 | 1075 | 12983 |
Sellano | PG | 17 | 1079 | 14062 |
Montegallo | AP | 17 | 523 | 14585 |
Montemonaco | AP | 18 | 604 | 15189 |
Accumoli | RI | 19 | 667 | 15856 |
Bolognola | MC | 20 | 142 | 15998 |
Monte Cavallo | MC | 20 | 145 | 16143 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.8 | 2021-03-26 09:54:14 |
42.8385 | 13.1212 | 10 | 2021-03-26 10:23:34 |
Sala Sismica INGV-Roma | 88487701 |
Field | Value |
---|---|
Time (UTC) | 2021-03-26 09:54:14 ± 0.16 |
Latitude | 42.8385 ± 0.0072 |
Longitude | 13.1212 ± 0.0110 |
Depth (km) | 10 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 88487701 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 977 |
Semi-minor axis of confidence ellipse (meter) | 650 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 131 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 980.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 158 |
Number of associated phases, regardless of their use for origin computation | 20 |
Number of defining phases | 17 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.32 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.29588 |
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 | 0.8 |
Uncertainty | 0.2 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 88487701 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-03-26 10:23:34 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ATMI.HHZ. | 2021-03-26T09:54:38.58 | 3.0 | undecidable | manual | S | -0.17 | 0 | |||
IV.MML1.EHZ. | 2021-03-26T09:54:25.30 | 0.3 | undecidable | manual | S | 338 | 32.8449 | 50 | -0.29 | 71 |
IV.MF5.EHZ. | 2021-03-26T09:54:25.98 | 3.0 | undecidable | manual | S | 0.21 | 0 | |||
IV.CSP1.EHZ. | 2021-03-26T09:54:24.21 | 0.6 | undecidable | manual | S | 14 | 28.9488 | 50 | -0.34 | 47 |
IV.GAVE.EHZ. | 2021-03-26T09:54:23.35 | 0.6 | undecidable | manual | S | 229 | 24.5532 | 112 | 0.02 | 51 |
IV.TERO.HHZ. | 2021-03-26T09:54:22.77 | 3.0 | undecidable | manual | P | 0.42 | 0 | |||
IV.FDMO.HHZ. | 2021-03-26T09:54:22.12 | 0.3 | undecidable | manual | S | 353 | 22.1556 | 114 | -0.42 | 70 |
IV.MML1.EHZ. | 2021-03-26T09:54:21.18 | 0.1 | undecidable | manual | P | 338 | 32.8449 | 50 | 0.44 | 91 |
IV.CSP1.EHZ. | 2021-03-26T09:54:20.07 | 0.6 | positive | manual | P | 14 | 28.9488 | 50 | -0.07 | 50 |
IV.FEMA.HNE. | 2021-03-26T09:54:20.15 | 0.6 | undecidable | manual | S | 337 | 14.874 | 124 | -0.19 | 50 |
IV.MMO1.EHZ. | 2021-03-26T09:54:20.79 | 0.6 | undecidable | manual | S | 68 | 18.0708 | 119 | -0.48 | 46 |
IV.GAVE.EHZ. | 2021-03-26T09:54:19.14 | 0.1 | undecidable | manual | P | 229 | 24.5532 | 112 | -0.3 | 96 |
IV.MC2.EHZ. | 2021-03-26T09:54:19.23 | 0.6 | undecidable | manual | S | 34 | 9.7791 | 135 | 0.27 | 49 |
IV.CESI.HHZ. | 2021-03-26T09:54:19.50 | 0.6 | positive | manual | P | 316 | 25.4523 | 111 | -0.1 | 50 |
IV.MMO1.EHZ. | 2021-03-26T09:54:18.38 | 0.1 | positive | manual | P | 68 | 18.0708 | 119 | 0.13 | 100 |
IV.FDMO.HHZ. | 2021-03-26T09:54:18.89 | 0.6 | negative | manual | P | 353 | 22.1556 | 114 | -0.09 | 50 |
IV.FEMA.HNE. | 2021-03-26T09:54:18.60 | 0.1 | undecidable | manual | P | 337 | 14.874 | 124 | 0.89 | 79 |
IV.NRCA.HHZ. | 2021-03-26T09:54:17.22 | 0.6 | undecidable | manual | S | 226 | 0.7992 | 175 | -0.36 | 49 |
IV.MC2.EHZ. | 2021-03-26T09:54:17.24 | 0.6 | positive | manual | P | 34 | 9.7791 | 135 | 0.32 | 49 |
IV.NRCA.HHZ. | 2021-03-26T09:54:16.20 | 1.0 | undecidable | manual | P | 226 | 0.7992 | 175 | 0.08 | 26 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.FDMO.HHN. | ML:0.5 | 0.0000195 | 0.28 | AML | other | m | 2021-03-26T09:54:22.60 |
IV.FDMO.HHE. | ML:0.4 | 0.0000138 | 0.9 | AML | other | m | 2021-03-26T09:54:23.49 |
IV.GAVE.EHE. | ML:0.9 | 0.00004443107 | 0.1792 | AML | other | m | 2021-03-26T09:54:24.15 |
IV.GAVE.EHN. | ML:0.7 | 0.000030218995 | 0.1344 | AML | other | m | 2021-03-26T09:54:24.50 |
IV.CESI.HHE. | ML:0.8 | 0.000042378095 | 0.1792 | AML | other | m | 2021-03-26T09:54:23.62 |
IV.CESI.HHN. | ML:1.1 | 0.000073514545 | 0.2368 | AML | other | m | 2021-03-26T09:54:23.64 |
IV.CSP1.EHE. | ML:0.8 | 0.0000302306595 | 0.1984 | AML | other | m | 2021-03-26T09:54:25.24 |
IV.CSP1.EHN. | ML:0.9 | 0.000039749018999999994 | 0.3008 | AML | other | m | 2021-03-26T09:54:26.26 |