A magnitude ML 0.9 earthquake occured in region: 3 km W Preci (PG), on
and geographic coordinates (lat, lon) 42.8810, 12.9990 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 |
Visso | MC | 9 | 1107 | 2910 |
Cerreto di Spoleto | PG | 9 | 1075 | 3985 |
Norcia | PG | 12 | 4957 | 8942 |
Monte Cavallo | MC | 13 | 145 | 9087 |
Castelsantangelo sul Nera | MC | 13 | 281 | 9368 |
Ussita | MC | 14 | 444 | 9812 |
Vallo di Nera | PG | 17 | 364 | 10176 |
Cascia | PG | 18 | 3217 | 13393 |
Pieve Torina | MC | 19 | 1458 | 14851 |
Fiordimonte | MC | 19 | 202 | 15053 |
Campello sul Clitunno | PG | 19 | 2442 | 17495 |
Poggiodomo | PG | 19 | 117 | 17612 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2021-04-14 11:45:52 |
42.8807 | 12.9988 | 11 | 2021-04-14 11:53:20 |
Sala Sismica INGV-Roma | 89092771 |
Field | Value |
---|---|
Time (UTC) | 2021-04-14 11:45:52 ± 0.05 |
Latitude | 42.8807 ± 0.0027 |
Longitude | 12.9988 ± 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 | 89092771 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 409 |
Semi-minor axis of confidence ellipse (meter) | 282 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 65 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 410.0 |
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 | 18 |
Number of defining phases | 18 |
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) | 0.08903 |
Epicentral distance of station farthest from the epicenter (degree) | 0.29678 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.3 |
Num. used stations | 11 |
Type of magnitude | ML |
Reference to an origin | 89092771 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-04-14 11:53:21 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ASSB.HHZ. | 2021-04-14T11:46:03.08 | 0.6 | undecidable | manual | S | 303 | 32.9448 | 50 | -0.18 | 46 |
IV.CSP1.EHZ. | 2021-04-14T11:46:02.37 | 0.3 | undecidable | manual | S | 35 | 28.749 | 50 | 0.22 | 70 |
IV.LNSS.HHZ. | 2021-04-14T11:46:02.75 | 0.3 | undecidable | manual | S | 174 | 31.0467 | 50 | 0 | 73 |
IV.MMO1.EHZ. | 2021-04-14T11:46:01.33 | 0.6 | undecidable | manual | S | 85 | 26.751 | 50 | -0.28 | 46 |
IV.FDMO.HHZ. | 2021-04-14T11:45:59.27 | 0.6 | undecidable | manual | S | 23 | 18.6702 | 50 | -0.19 | 48 |
IV.LNSS.HHZ. | 2021-04-14T11:45:58.47 | 0.6 | undecidable | manual | P | 174 | 31.0467 | 50 | 0.26 | 46 |
IV.CESI.HHZ. | 2021-04-14T11:45:58.67 | 0.6 | undecidable | manual | S | 331 | 15.7731 | 125 | 0 | 50 |
IV.ASSB.HHZ. | 2021-04-14T11:45:58.38 | 0.1 | undecidable | manual | P | 303 | 32.9448 | 50 | -0.12 | 94 |
IV.NRCA.HHZ. | 2021-04-14T11:45:57.02 | 0.6 | undecidable | manual | S | 119 | 10.7781 | 136 | -0.32 | 47 |
IT.MTCL.HGZ. | 2021-04-14T11:45:57.48 | 0.6 | undecidable | manual | S | 0 | 12.5763 | 131 | -0.32 | 47 |
IV.MMO1.EHZ. | 2021-04-14T11:45:57.71 | 0.6 | undecidable | manual | P | 85 | 26.751 | 50 | 0.17 | 47 |
IV.CSP1.EHZ. | 2021-04-14T11:45:57.88 | 0.6 | positive | manual | P | 35 | 28.749 | 50 | 0.02 | 48 |
IV.FEMA.HNZ. | 2021-04-14T11:45:57.19 | 0.6 | undecidable | manual | S | 25 | 9.879 | 138 | 0.04 | 50 |
IV.FDMO.HHZ. | 2021-04-14T11:45:56.30 | 0.1 | undecidable | manual | P | 23 | 18.6702 | 50 | -0.01 | 99 |
IV.FEMA.HNZ. | 2021-04-14T11:45:55.13 | 0.1 | undecidable | manual | P | 25 | 9.879 | 138 | 0.16 | 97 |
IV.NRCA.HHZ. | 2021-04-14T11:45:55.07 | 0.1 | negative | manual | P | 119 | 10.7781 | 136 | -0.01 | 100 |
IT.MTCL.HGZ. | 2021-04-14T11:45:55.47 | 0.1 | undecidable | manual | P | 0 | 12.5763 | 131 | 0.12 | 98 |
IV.CESI.HHZ. | 2021-04-14T11:45:55.96 | 0.3 | negative | manual | P | 331 | 15.7731 | 125 | 0.11 | 73 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.3 | 0.00022350000000000004 | 0.14 | AML | other | m | 2021-04-14T11:45:57.06 |
IV.NRCA.HHE. | ML:1.0 | 0.000129782065 | 0.1984 | AML | other | m | 2021-04-14T11:45:57.31 |
IV.CESI.HHE. | ML:0.7 | 0.00004565 | 0.2 | AML | other | m | 2021-04-14T11:45:58.91 |
IV.CESI.HHN. | ML:1.0 | 0.00008145 | 0.16 | AML | other | m | 2021-04-14T11:45:58.86 |
IV.FDMO.HHE. | ML:1.0 | 0.00008038089 | 0.1216 | AML | other | m | 2021-04-14T11:45:59.43 |
IV.FDMO.HHN. | ML:0.9 | 0.000056115835000000005 | 0.1408 | AML | other | m | 2021-04-14T11:45:59.59 |
IV.NRCA.HNE. | ML:1.0 | 0.00012891182 | 0.128 | AML | other | m | 2021-04-14T11:45:57.85 |
IV.NRCA.HNN. | ML:1.3 | 0.0002285022 | 0.1472 | AML | other | m | 2021-04-14T11:45:57.14 |
IV.CSP1.EHE. | ML:0.5 | 0.0000144909775 | 0.5184 | AML | other | m | 2021-04-14T11:46:02.98 |
IV.ASSB.HHE. | ML:0.8 | 0.000024020555 | 0.064 | AML | other | m | 2021-04-14T11:46:03.32 |
IV.ASSB.HHN. | ML:0.5 | 0.000012622456000000001 | 0.0576 | AML | other | m | 2021-04-14T11:46:03.17 |