A magnitude ML 0.7 earthquake occured in region: 2 km NW Norcia (PG), on
and geographic coordinates (lat, lon) 42.8040, 13.0810 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 |
---|---|---|---|---|
Norcia | PG | 2 | 4957 | 4957 |
Preci | PG | 9 | 724 | 5681 |
Cascia | PG | 11 | 3217 | 8898 |
Castelsantangelo sul Nera | MC | 12 | 281 | 9179 |
Cerreto di Spoleto | PG | 14 | 1075 | 10254 |
Visso | MC | 14 | 1107 | 11361 |
Poggiodomo | PG | 16 | 117 | 11478 |
Sellano | PG | 16 | 1079 | 12557 |
Ussita | MC | 16 | 444 | 13001 |
Arquata del Tronto | AP | 18 | 1178 | 14179 |
Vallo di Nera | PG | 18 | 364 | 14543 |
Accumoli | RI | 18 | 667 | 15210 |
Monteleone di Spoleto | PG | 20 | 599 | 15809 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.7 | 2021-04-09 02:07:24 |
42.8042 | 13.0808 | 11 | 2021-04-09 02:20:35 |
Sala Sismica INGV-Roma | 88926021 |
Field | Value |
---|---|
Time (UTC) | 2021-04-09 02:07:24 ± 0.08 |
Latitude | 42.8042 ± 0.0036 |
Longitude | 13.0808 ± 0.0061 |
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 | 88926021 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 523 |
Semi-minor axis of confidence ellipse (meter) | 394 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 78 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 520.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 96 |
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) | 0.23 |
Epicentral distance of station closest to the epicenter (degree) | 0.03777 |
Epicentral distance of station farthest from the epicenter (degree) | 0.25541 |
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 | 0.7 |
Uncertainty | 0.4 |
Num. used stations | 7 |
Type of magnitude | ML |
Reference to an origin | 88926021 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-04-09 02:20:35 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.SMA1.EHZ. | 2021-04-09T02:07:34.46 | 0.3 | undecidable | manual | S | 133 | 28.3494 | 50 | 0.17 | 70 |
IV.CESI.HNZ. | 2021-04-09T02:07:33.96 | 0.3 | undecidable | manual | S | 327 | 26.4513 | 50 | 0.16 | 71 |
IV.FDMO.HHZ. | 2021-04-09T02:07:33.46 | 0.3 | undecidable | manual | S | 1 | 25.752 | 50 | -0.15 | 71 |
IV.T1299.EHZ. | 2021-04-09T02:07:33.59 | 0.3 | undecidable | manual | S | 139 | 24.9528 | 50 | 0.19 | 71 |
IV.MMO1.EHZ. | 2021-04-09T02:07:32.58 | 0.3 | undecidable | manual | S | 62 | 22.6551 | 50 | -0.19 | 71 |
IV.LNSS.HHZ. | 2021-04-09T02:07:32.61 | 0.3 | undecidable | manual | S | 188 | 22.5552 | 50 | -0.15 | 71 |
IV.GAVE.EHZ. | 2021-04-09T02:07:31.94 | 0.3 | undecidable | manual | S | 231 | 19.6692 | 50 | -0.03 | 74 |
IV.MC2.EHZ. | 2021-04-09T02:07:30.85 | 0.3 | undecidable | manual | S | 36 | 14.7741 | 127 | 0.22 | 71 |
IV.SMA1.EHZ. | 2021-04-09T02:07:30.58 | 0.3 | undecidable | manual | P | 133 | 28.3494 | 50 | 0.54 | 65 |
IV.LNSS.HHZ. | 2021-04-09T02:07:29.21 | 0.3 | undecidable | manual | P | 188 | 22.5552 | 50 | 0.05 | 73 |
IV.MMO1.EHZ. | 2021-04-09T02:07:29.04 | 0.1 | undecidable | manual | P | 62 | 22.6551 | 50 | -0.13 | 96 |
IV.CESI.HNZ. | 2021-04-09T02:07:29.84 | 0.3 | undecidable | manual | P | 327 | 26.4513 | 50 | 0.08 | 72 |
IV.FDMO.HHZ. | 2021-04-09T02:07:29.64 | 0.1 | undecidable | manual | P | 1 | 25.752 | 50 | -0.01 | 97 |
IV.MC2.EHZ. | 2021-04-09T02:07:28.08 | 0.3 | undecidable | manual | P | 36 | 14.7741 | 127 | 0.15 | 72 |
IV.GAVE.EHZ. | 2021-04-09T02:07:28.73 | 0.3 | undecidable | manual | P | 231 | 19.6692 | 50 | 0.02 | 74 |
IV.T1299.EHZ. | 2021-04-09T02:07:28.81 | 0.3 | undecidable | manual | P | 139 | 24.9528 | 50 | -0.72 | 60 |
IV.NRCA.HHZ. | 2021-04-09T02:07:28.01 | 0.3 | undecidable | manual | S | 40 | 4.1958 | 159 | -0.31 | 71 |
IV.NRCA.HHZ. | 2021-04-09T02:07:26.66 | 0.1 | undecidable | manual | P | 40 | 4.1958 | 159 | 0.06 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:1.2 | 0.0002645 | 0.1 | AML | other | m | 2021-04-09T02:07:28.21 |
IV.NRCA.HHN. | ML:0.8 | 0.00009775 | 0.14 | AML | other | m | 2021-04-09T02:07:28.72 |
IV.NRCA.HNE. | ML:1.2 | 0.00025272695 | 0.0992 | AML | other | m | 2021-04-09T02:07:28.22 |
IV.GAVE.EHE. | ML:0.7 | 0.000036444360000000004 | 0.2 | AML | other | m | 2021-04-09T02:07:32.70 |
IV.GAVE.EHN. | ML:0.6 | 0.000031947169999999996 | 0.16 | AML | other | m | 2021-04-09T02:07:32.68 |
IV.FDMO.HHE. | ML:0.0 | 0.000007287153 | 0.2608 | AML | other | m | 2021-04-09T02:07:33.95 |
IV.FDMO.HHN. | ML:0.2 | 0.0000093124565 | 0.24 | AML | other | m | 2021-04-09T02:07:33.61 |