A magnitude ML 0.5 earthquake occured in region: 8 km E Perugia (PG), on
and geographic coordinates (lat, lon) 43.1180, 12.4830 at 8 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 |
---|---|---|---|---|
Perugia | PG | 8 | 166134 | 166134 |
Bastia Umbra | PG | 8 | 21874 | 188008 |
Torgiano | PG | 11 | 6725 | 194733 |
Valfabbrica | PG | 11 | 3389 | 198122 |
Bettona | PG | 12 | 4367 | 202489 |
Assisi | PG | 12 | 28299 | 230788 |
Cannara | PG | 16 | 4305 | 235093 |
Deruta | PG | 16 | 9669 | 244762 |
Corciano | PG | 16 | 21332 | 266094 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.5 | 2018-12-21 07:42:18 |
43.1178 | 12.4827 | 8 | 2018-12-21 07:57:19 |
Sala Sismica INGV-Roma | 64045331 |
Field | Value |
---|---|
Time (UTC) | 2018-12-21 07:42:18 ± 0.07 |
Latitude | 43.1178 ± 0.0045 |
Longitude | 12.4827 ± 0.0049 |
Depth (km) | 8 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 64045331 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 505 |
Semi-minor axis of confidence ellipse (meter) | 347 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 30 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 500.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 142 |
Number of associated phases, regardless of their use for origin computation | 13 |
Number of defining phases | 11 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.14 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.32016 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 0.5 |
Uncertainty | 0.2 |
Num. used stations | 7 |
Type of magnitude | ML |
Reference to an origin | 64045331 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2018-12-21 07:57:19 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.RMP.HHZ. | 2018-12-21T07:42:56.48 | 3.0 | undecidable | manual | Sg | 0.05 | 0 | |||
IV.CSNT.HHZ. | 2018-12-21T07:42:37.37 | 3.0 | positive | manual | Pg | 4.55 | 0 | |||
IV.MOMA.HNE. | 2018-12-21T07:42:31.44 | 0.6 | undecidable | manual | S | 168 | 35.5422 | 102 | 0.06 | 47 |
IV.MOMA.HNE. | 2018-12-21T07:42:26.20 | 0.3 | undecidable | manual | P | 168 | 35.5422 | 102 | 0.15 | 70 |
IV.ASSB.HHZ. | 2018-12-21T07:42:25.02 | 0.3 | undecidable | manual | S | 120 | 16.5723 | 115 | -0.06 | 75 |
IV.MURB.HHZ. | 2018-12-21T07:42:25.05 | 0.3 | undecidable | manual | S | 12 | 16.4724 | 115 | -0.01 | 77 |
IV.ATCC.EHZ. | 2018-12-21T07:42:24.66 | 0.6 | undecidable | manual | S | 60 | 14.7741 | 117 | 0.13 | 50 |
IV.ATTE.HHZ. | 2018-12-21T07:42:24.35 | 0.3 | undecidable | manual | S | 310 | 13.6752 | 119 | 0.14 | 76 |
IT.FOPC.HGE. | 2018-12-21T07:42:23.84 | 0.6 | undecidable | manual | P | 133 | 24.2535 | 108 | -0.02 | 50 |
IV.ATCC.EHZ. | 2018-12-21T07:42:22.20 | 0.1 | positive | manual | P | 60 | 14.7741 | 117 | 0.1 | 100 |
IV.ASSB.HHZ. | 2018-12-21T07:42:22.36 | 0.6 | undecidable | manual | P | 120 | 16.5723 | 115 | -0.05 | 51 |
IV.MURB.HHZ. | 2018-12-21T07:42:22.01 | 0.6 | undecidable | manual | P | 12 | 16.4724 | 115 | -0.39 | 48 |
IV.ATTE.HHZ. | 2018-12-21T07:42:21.72 | 0.6 | undecidable | manual | P | 310 | 13.6752 | 119 | -0.19 | 50 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.ATTE.HHN. | ML:0.4 | 0.00003191857 | 1.6384 | AML | other | m | 2018-12-21T07:42:24.53 |
IV.ATTE.HHE. | ML:0.5 | 0.00003385287 | 1.28 | AML | other | m | 2018-12-21T07:42:24.68 |
IV.MURB.HHN. | ML:0.4 | 0.000022655159 | 0.224 | AML | other | m | 2018-12-21T07:42:25.20 |
IV.MURB.HHE. | ML:0.6 | 0.000033812675 | 0.6784 | AML | other | m | 2018-12-21T07:42:25.25 |
IV.ATCC.EHE. | ML:0.8 | 0.000060522875 | 1.1392 | AML | other | m | 2018-12-21T07:42:25.04 |
IV.ATCC.EHN. | ML:0.7 | 0.000050411615 | 0.4224 | AML | other | m | 2018-12-21T07:42:25.06 |
IV.ASSB.HHE. | ML:0.2 | 0.000014148003 | 0.6976 | AML | other | m | 2018-12-21T07:42:25.08 |