A magnitude ML 1.3 earthquake occured in region: 4 km SE Preci (PG), on
and geographic coordinates (lat, lon) 42.8480, 13.0660 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 |
---|---|---|---|---|
Preci | PG | 4 | 724 | 724 |
Norcia | PG | 7 | 4957 | 5681 |
Castelsantangelo sul Nera | MC | 9 | 281 | 5962 |
Visso | MC | 10 | 1107 | 7069 |
Sellano | PG | 12 | 1079 | 8148 |
Ussita | MC | 12 | 444 | 8592 |
Cerreto di Spoleto | PG | 13 | 1075 | 9667 |
Cascia | PG | 15 | 3217 | 12884 |
Monte Cavallo | MC | 17 | 145 | 13029 |
Poggiodomo | PG | 18 | 117 | 13146 |
Vallo di Nera | PG | 19 | 364 | 13510 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.3 | 2021-04-03 11:19:26 |
42.848 | 13.0658 | 10 | 2021-04-03 11:26:08 |
Sala Sismica INGV-Roma | 88736801 |
Field | Value |
---|---|
Time (UTC) | 2021-04-03 11:19:26 ± 0.13 |
Latitude | 42.8480 ± 0.0045 |
Longitude | 13.0658 ± 0.0074 |
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 | 88736801 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 566 |
Semi-minor axis of confidence ellipse (meter) | 338 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 294 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 570.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 107 |
Number of associated phases, regardless of their use for origin computation | 17 |
Number of defining phases | 16 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.24 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.26440 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.3 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 88736801 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-04-03 11:26:08 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CRTC.HHZ. | 2021-04-03T11:19:59.74 | 3.0 | undecidable | manual | S | 0.01 | 0 | |||
IV.CSP1.EHZ. | 2021-04-03T11:19:37.20 | 0.6 | undecidable | manual | S | 23 | 29.3484 | 50 | -0.15 | 48 |
IV.MMO1.EHZ. | 2021-04-03T11:19:34.90 | 0.6 | undecidable | manual | S | 75 | 21.9669 | 115 | -0.46 | 46 |
IV.FDMO.HHZ. | 2021-04-03T11:19:34.83 | 0.6 | undecidable | manual | S | 5 | 20.9679 | 116 | -0.23 | 48 |
IV.CESI.HHN. | 2021-04-03T11:19:34.88 | 0.6 | undecidable | manual | S | 323 | 21.7671 | 116 | -0.43 | 46 |
IV.GAVE.EHZ. | 2021-04-03T11:19:34.98 | 0.3 | undecidable | manual | S | 219 | 22.2555 | 115 | -0.46 | 68 |
IV.CSP1.EHZ. | 2021-04-03T11:19:32.96 | 1.0 | undecidable | manual | P | 23 | 29.3484 | 50 | 0.01 | 25 |
IV.FEMA.HNE. | 2021-04-03T11:19:32.75 | 0.3 | undecidable | manual | S | 354 | 12.6762 | 129 | 0.12 | 75 |
IV.GAVE.EHZ. | 2021-04-03T11:19:32.17 | 0.1 | undecidable | manual | P | 219 | 22.2555 | 115 | 0.33 | 94 |
IV.MC2.EHZ. | 2021-04-03T11:19:32.62 | 0.6 | undecidable | manual | S | 55 | 12.2766 | 130 | 0.12 | 50 |
IV.FEMA.HNE. | 2021-04-03T11:19:31.04 | 1.0 | undecidable | manual | P | 354 | 12.6762 | 129 | 0.82 | 20 |
IV.MMO1.EHZ. | 2021-04-03T11:19:31.68 | 0.6 | undecidable | manual | P | 75 | 21.9669 | 115 | -0.12 | 49 |
IV.FDMO.HHZ. | 2021-04-03T11:19:31.74 | 1.0 | positive | manual | P | 5 | 20.9679 | 116 | 0.12 | 25 |
IV.CESI.HHN. | 2021-04-03T11:19:31.84 | 0.1 | undecidable | manual | P | 323 | 21.7671 | 116 | 0.08 | 99 |
IV.MC2.EHZ. | 2021-04-03T11:19:30.43 | 0.6 | negative | manual | P | 55 | 12.2766 | 130 | 0.29 | 48 |
IV.NRCA.HHZ. | 2021-04-03T11:19:30.66 | 0.6 | undecidable | manual | S | 112 | 4.2957 | 158 | -0.17 | 50 |
IV.NRCA.HHZ. | 2021-04-03T11:19:29.35 | 0.1 | undecidable | manual | P | 112 | 4.2957 | 158 | 0.17 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.5 | 0.0005135000000000001 | 0.08 | AML | other | m | 2021-04-03T11:19:30.76 |
IV.NRCA.HHE. | ML:1.0 | 0.000179 | 1.32 | AML | other | m | 2021-04-03T11:19:30.97 |