A magnitude ML 0.5 earthquake occured in region: 4 km NW Pietralunga (PG), on
and geographic coordinates (lat, lon) 43.4820, 12.4200 at 9 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 |
---|---|---|---|---|
Pietralunga | PG | 5 | 2111 | 2111 |
Apecchio | PU | 9 | 1882 | 3993 |
Piobbico | PU | 14 | 2029 | 6022 |
CittĂ di Castello | PG | 15 | 39913 | 45935 |
Montone | PG | 15 | 1680 | 47615 |
Cantiano | PU | 17 | 2245 | 49860 |
Gubbio | PG | 19 | 32216 | 82076 |
Mercatello sul Metauro | PU | 20 | 1378 | 83454 |
Cagli | PU | 20 | 8731 | 92185 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.5 | 2021-04-04 23:41:57 |
43.4815 | 12.4203 | 9 | 2021-04-04 23:50:57 |
Sala Sismica INGV-Roma | 88777681 |
Field | Value |
---|---|
Time (UTC) | 2021-04-04 23:41:57 ± 0.13 |
Latitude | 43.4815 ± 0.0027 |
Longitude | 12.4203 ± 0.0037 |
Depth (km) | 9 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 88777681 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 348 |
Semi-minor axis of confidence ellipse (meter) | 74 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 299 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 350.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 82 |
Number of associated phases, regardless of their use for origin computation | 18 |
Number of defining phases | 15 |
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) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.17357 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 0.5 |
Uncertainty | 0.2 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 88777681 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-04-04 23:50:57 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.BRSN.EHZ. | 2021-04-04T23:42:22.48 | 3.0 | undecidable | manual | Sn | -0.13 | 0 | |||
IV.RIBO.EHZ.01 | 2021-04-04T23:42:14.66 | 3.0 | undecidable | manual | Pg | 1.08 | 0 | |||
IV.NARO.HHZ. | 2021-04-04T23:42:04.38 | 0.1 | undecidable | manual | S | 42 | 19.2696 | 114 | -0.25 | 93 |
IV.BADI.EHZ. | 2021-04-04T23:42:03.19 | 0.1 | undecidable | manual | S | 282 | 14.4744 | 121 | 0.03 | 98 |
IV.TB01.DHE.01 | 2021-04-04T23:42:02.29 | 0.1 | undecidable | manual | S | 174 | 11.1777 | 128 | 0.09 | 98 |
IV.PIEI.HHZ. | 2021-04-04T23:42:02.32 | 0.1 | undecidable | manual | S | 57 | 10.9779 | 128 | 0.17 | 96 |
IV.PE3.EHZ. | 2021-04-04T23:42:02.66 | 3.0 | positive | manual | Pg | 2.41 | 0 | |||
IV.APEC.HHZ. | 2021-04-04T23:42:01.49 | 0.1 | undecidable | manual | S | 360 | 8.4804 | 135 | -0.02 | 100 |
IV.NARO.HHZ. | 2021-04-04T23:42:01.37 | 0.6 | undecidable | manual | P | 42 | 19.2696 | 114 | -0.17 | 47 |
IV.ATPI.EHZ. | 2021-04-04T23:42:00.32 | 0.1 | undecidable | manual | S | 203 | 3.6963 | 157 | -0.24 | 96 |
IV.BADI.EHZ. | 2021-04-04T23:42:00.76 | 0.6 | negative | manual | P | 282 | 14.4744 | 121 | 0.07 | 49 |
IV.ATPC.HNE. | 2021-04-04T23:42:00.53 | 0.1 | undecidable | manual | S | 92 | 2.997 | 161 | 0.07 | 100 |
IV.PIEI.HHZ. | 2021-04-04T23:42:00.23 | 0.6 | undecidable | manual | P | 57 | 10.9779 | 128 | 0.12 | 49 |
IV.ATPI.EHZ. | 2021-04-04T23:41:59.14 | 0.1 | undecidable | manual | P | 203 | 3.6963 | 157 | -0.04 | 100 |
IV.TB01.DHE.01 | 2021-04-04T23:41:59.96 | 0.1 | undecidable | manual | P | 174 | 11.1777 | 128 | -0.17 | 96 |
IV.ATPC.HNE. | 2021-04-04T23:41:59.25 | 0.1 | undecidable | manual | P | 92 | 2.997 | 161 | 0.12 | 98 |
IV.APEC.HHZ. | 2021-04-04T23:41:59.84 | 0.1 | negative | manual | P | 360 | 8.4804 | 135 | 0.11 | 98 |
IV.TB03.DH1.01 | 2021-04-04T23:41:59.93 | 0.6 | undecidable | manual | P | 185 | 8.88 | 134 | 0.14 | 49 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.APEC.HHN. | ML:0.6 | 0.0000582 | 0.54 | AML | other | m | 2021-04-04T23:42:01.56 |
IV.APEC.HHE. | ML:0.7 | 0.0000743 | 0.18 | AML | other | m | 2021-04-04T23:42:01.83 |
IV.PIEI.HHN. | ML:0.3 | 0.000024800000000000003 | 1.56 | AML | other | m | 2021-04-04T23:42:02.05 |
IV.PIEI.HHE. | ML:0.5 | 0.00003795 | 0.16 | AML | other | m | 2021-04-04T23:42:02.77 |