A magnitude ML 0.8 earthquake occured in region: 3 km W Preci (PG), on
and geographic coordinates (lat, lon) 42.8750, 12.9980 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 |
---|---|---|---|---|
Preci | PG | 3 | 724 | 724 |
Sellano | PG | 6 | 1079 | 1803 |
Cerreto di Spoleto | PG | 9 | 1075 | 2878 |
Visso | MC | 10 | 1107 | 3985 |
Norcia | PG | 12 | 4957 | 8942 |
Castelsantangelo sul Nera | MC | 13 | 281 | 9223 |
Monte Cavallo | MC | 13 | 145 | 9368 |
Ussita | MC | 14 | 444 | 9812 |
Vallo di Nera | PG | 16 | 364 | 10176 |
Cascia | PG | 17 | 3217 | 13393 |
Poggiodomo | PG | 19 | 117 | 13510 |
Campello sul Clitunno | PG | 19 | 2442 | 15952 |
Pieve Torina | MC | 19 | 1458 | 17410 |
Fiordimonte | MC | 20 | 202 | 17612 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.8 | 2021-04-12 00:55:27 |
42.8753 | 12.9985 | 11 | 2021-04-12 01:06:51 |
Sala Sismica INGV-Roma | 89024561 |
Field | Value |
---|---|
Time (UTC) | 2021-04-12 00:55:27 ± 0.05 |
Latitude | 42.8753 ± 0.0027 |
Longitude | 12.9985 ± 0.0049 |
Depth (km) | 11 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 89024561 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 375 |
Semi-minor axis of confidence ellipse (meter) | 243 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 88 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 380.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 129 |
Number of associated phases, regardless of their use for origin computation | 11 |
Number of defining phases | 8 |
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) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.26350 |
Number of stations at which the event was observed | 7 |
Number of stations from which data was used for origin computation | 4 |
Field | Value |
---|---|
Value | 0.8 |
Uncertainty | 0.1 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 89024561 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-04-12 01:06:51 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.VVLD.HHZ. | 2021-04-12T00:56:02.36 | 3.0 | undecidable | manual | S | -0.28 | 0 | |||
IV.SEI.HHZ. | 2021-04-12T00:56:00.20 | 3.0 | negative | manual | Pg | 0.48 | 0 | |||
IV.PE3.EHZ. | 2021-04-12T00:55:43.80 | 3.0 | undecidable | manual | P | -4.48 | 0 | |||
IV.CSP1.EHZ. | 2021-04-12T00:55:38.26 | 0.1 | undecidable | manual | S | 35 | 29.2485 | 50 | -0.02 | 97 |
IV.GAVE.EHZ. | 2021-04-12T00:55:36.21 | 0.3 | undecidable | manual | S | 203 | 22.0668 | 50 | -0.14 | 72 |
IV.CESI.HHZ. | 2021-04-12T00:55:34.52 | 0.3 | undecidable | manual | S | 332 | 16.2726 | 123 | -0.12 | 73 |
IV.NRCA.HHZ. | 2021-04-12T00:55:33.03 | 0.1 | undecidable | manual | S | 116 | 10.4784 | 135 | -0.05 | 100 |
IV.CSP1.EHZ. | 2021-04-12T00:55:33.91 | 0.3 | undecidable | manual | P | 35 | 29.2485 | 50 | 0.01 | 73 |
IV.GAVE.EHZ. | 2021-04-12T00:55:32.89 | 0.1 | undecidable | manual | P | 203 | 22.0668 | 50 | 0.11 | 97 |
IV.NRCA.HHZ. | 2021-04-12T00:55:31.10 | 1.0 | undecidable | manual | P | 116 | 10.4784 | 135 | 0.2 | 24 |
IV.CESI.HHZ. | 2021-04-12T00:55:31.90 | 0.1 | undecidable | manual | P | 332 | 16.2726 | 123 | 0.1 | 98 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.GAVE.EHN. | ML:0.8 | 0.00004102524 | 0.22 | AML | other | m | 2021-04-12T00:55:36.54 |
IV.GAVE.EHE. | ML:0.9 | 0.000051219085 | 0.28 | AML | other | m | 2021-04-12T00:55:37.19 |
IV.NRCA.HHE. | ML:0.9 | 0.00008925696999999999 | 0.1 | AML | other | m | 2021-04-12T00:55:33.27 |
IV.NRCA.HHN. | ML:0.9 | 0.00009021113 | 0.08 | AML | other | m | 2021-04-12T00:55:33.17 |
IV.CESI.HHE. | ML:0.6 | 0.000035426479999999996 | 0.08 | AML | other | m | 2021-04-12T00:55:34.88 |
IV.CESI.HHN. | ML:0.8 | 0.000053283559999999996 | 0.22 | AML | other | m | 2021-04-12T00:55:34.84 |