A magnitude ML 0.9 earthquake occured in region: 4 km W Preci (PG), on
and geographic coordinates (lat, lon) 42.8870, 12.9950 at 12 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 |
Sellano | PG | 5 | 1079 | 1803 |
Visso | MC | 9 | 1107 | 2910 |
Cerreto di Spoleto | PG | 10 | 1075 | 3985 |
Monte Cavallo | MC | 12 | 145 | 4130 |
Castelsantangelo sul Nera | MC | 13 | 281 | 4411 |
Norcia | PG | 13 | 4957 | 9368 |
Ussita | MC | 13 | 444 | 9812 |
Vallo di Nera | PG | 17 | 364 | 10176 |
Pieve Torina | MC | 18 | 1458 | 11634 |
Fiordimonte | MC | 19 | 202 | 11836 |
Cascia | PG | 19 | 3217 | 15053 |
Campello sul Clitunno | PG | 19 | 2442 | 17495 |
Poggiodomo | PG | 20 | 117 | 17612 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2023-04-06 11:53:21 |
42.8872 | 12.9947 | 12 | 2023-04-06 12:13:33 |
Sala Sismica INGV-Roma | 116114911 |
Field | Value |
---|---|
Time (UTC) | 2023-04-06 11:53:21 ± 0.05 |
Latitude | 42.8872 ± 0.0027 |
Longitude | 12.9947 ± 0.0025 |
Depth (km) | 12 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 116114911 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 330 |
Semi-minor axis of confidence ellipse (meter) | 64 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 18 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 330.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 101 |
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) | 0.08544 |
Epicentral distance of station farthest from the epicenter (degree) | 0.29048 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 11 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.2 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 116114911 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-04-06 12:13:33 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ASSB.HHE. | 2023-04-06T11:53:32.66 | 0.6 | undecidable | manual | S | 302 | 32.2455 | 93 | -0.16 | 48 |
IV.MMO1.EHZ. | 2023-04-06T11:53:31.48 | 0.6 | undecidable | manual | S | 87 | 27.0507 | 95 | 0.05 | 49 |
7F.SIB2.EHZ. | 2023-04-06T11:53:30.86 | 0.1 | undecidable | manual | S | 89 | 25.1526 | 95 | -0.06 | 98 |
7F.SIB1.EHZ. | 2023-04-06T11:53:30.23 | 0.1 | undecidable | manual | S | 88 | 22.3554 | 97 | 0.03 | 100 |
IV.GAVE.EHZ. | 2023-04-06T11:53:30.21 | 0.6 | undecidable | manual | S | 201 | 23.1546 | 96 | -0.18 | 49 |
IV.FDMO.HHZ. | 2023-04-06T11:53:29.11 | 0.6 | undecidable | manual | S | 24 | 18.1707 | 101 | 0.02 | 50 |
7F.SIB3.EHZ. | 2023-04-06T11:53:29.96 | 0.3 | undecidable | manual | S | 93 | 22.4553 | 97 | -0.24 | 72 |
IV.CESI.HHZ. | 2023-04-06T11:53:28.29 | 0.6 | undecidable | manual | S | 331 | 14.9739 | 109 | 0.03 | 51 |
IV.ASSB.HHE. | 2023-04-06T11:53:28.07 | 0.3 | undecidable | manual | P | 302 | 32.2455 | 93 | -0.07 | 73 |
IV.NRCA.HHZ. | 2023-04-06T11:53:27.15 | 0.6 | undecidable | manual | S | 121 | 11.3775 | 122 | -0.25 | 49 |
IT.MTCL.HGZ. | 2023-04-06T11:53:27.26 | 0.3 | undecidable | manual | S | 2 | 11.877 | 120 | -0.23 | 72 |
IV.MMO1.EHZ. | 2023-04-06T11:53:27.39 | 0.3 | undecidable | manual | P | 87 | 27.0507 | 95 | 0.05 | 74 |
7F.SIB2.EHZ. | 2023-04-06T11:53:27.11 | 0.1 | undecidable | manual | P | 89 | 25.1526 | 95 | 0.06 | 99 |
IV.FEMA.HNZ. | 2023-04-06T11:53:27.07 | 0.3 | undecidable | manual | S | 28 | 9.4794 | 130 | 0.1 | 76 |
IV.GAVE.EHZ. | 2023-04-06T11:53:26.77 | 0.3 | undecidable | manual | P | 201 | 23.1546 | 96 | 0.03 | 74 |
7F.SIB1.EHZ. | 2023-04-06T11:53:26.77 | 0.1 | undecidable | manual | P | 88 | 22.3554 | 97 | 0.14 | 98 |
IV.FDMO.HHZ. | 2023-04-06T11:53:26.13 | 0.3 | positive | manual | P | 24 | 18.1707 | 101 | 0.14 | 74 |
7F.SIB3.EHZ. | 2023-04-06T11:53:26.54 | 0.3 | undecidable | manual | P | 93 | 22.4553 | 97 | -0.09 | 74 |
IV.NRCA.HHZ. | 2023-04-06T11:53:25.05 | 0.3 | undecidable | manual | P | 121 | 11.3775 | 122 | 0.04 | 76 |
IV.CESI.HHZ. | 2023-04-06T11:53:25.65 | 0.1 | negative | manual | P | 331 | 14.9739 | 109 | 0.14 | 99 |
IT.MTCL.HGZ. | 2023-04-06T11:53:25.01 | 0.3 | undecidable | manual | P | 2 | 11.877 | 120 | -0.05 | 75 |
IV.FEMA.HNZ. | 2023-04-06T11:53:24.96 | 0.3 | undecidable | manual | P | 28 | 9.4794 | 130 | 0.2 | 74 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.2 | 0.00015200000000000004 | 0.14 | AML | other | m | 2023-04-06T11:53:27.18 |
IV.CESI.HHE. | ML:0.5 | 0.0000305605145 | 0.1344 | AML | other | m | 2023-04-06T11:53:28.48 |
IV.CESI.HHN. | ML:0.7 | 0.000039017332000000004 | 0.1152 | AML | other | m | 2023-04-06T11:53:28.48 |
IV.NRCA.HHE. | ML:1.0 | 0.000097812855 | 0.1152 | AML | other | m | 2023-04-06T11:53:28.55 |
IV.FDMO.HHN. | ML:1.1 | 0.0001074 | 0.16 | AML | other | m | 2023-04-06T11:53:29.32 |
IV.FDMO.HHE. | ML:1.0 | 0.0000731 | 0.34 | AML | other | m | 2023-04-06T11:53:29.36 |
IV.GAVE.EHN. | ML:0.9 | 0.000047850000000000004 | 0.48 | AML | other | m | 2023-04-06T11:53:30.26 |
IV.GAVE.EHE. | ML:1.1 | 0.00007230000000000001 | 0.22 | AML | other | m | 2023-04-06T11:53:30.46 |