A magnitude Md 1.4 earthquake occured in region: 7 km E Norcia (PG), on
and geographic coordinates (lat, lon) 42.7760, 13.1720 at 10 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 | 7 | 4957 | 4957 |
Arquata del Tronto | AP | 10 | 1178 | 6135 |
Accumoli | RI | 11 | 667 | 6802 |
Castelsantangelo sul Nera | MC | 13 | 281 | 7083 |
Cascia | PG | 14 | 3217 | 10300 |
Montegallo | AP | 15 | 523 | 10823 |
Preci | PG | 16 | 724 | 11547 |
Cittareale | RI | 18 | 482 | 12029 |
Visso | MC | 19 | 1107 | 13136 |
Montemonaco | AP | 19 | 604 | 13740 |
Ussita | MC | 19 | 444 | 14184 |
Amatrice | RI | 19 | 2657 | 16841 |
Acquasanta Terme | AP | 19 | 2916 | 19757 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
Md 1.4 | 2021-08-12 20:41:25 |
42.7765 | 13.1722 | 10 | 2021-08-12 21:01:30 |
Sala Sismica INGV-Roma | 94031761 |
Field | Value |
---|---|
Time (UTC) | 2021-08-12 20:41:25 ± 0.11 |
Latitude | 42.7765 ± 0.0036 |
Longitude | 13.1722 ± 0.0086 |
Depth (km) | 10 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 94031761 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 617 |
Semi-minor axis of confidence ellipse (meter) | 339 |
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) | 620.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 114 |
Number of associated phases, regardless of their use for origin computation | 33 |
Number of defining phases | 18 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.27 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.31566 |
Number of stations at which the event was observed | 23 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 1.4 |
Uncertainty | 0.1 |
Num. used stations | 4 |
Type of magnitude | Md |
Reference to an origin | 94031761 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-08-12 21:01:30 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MAGA.HHZ. | 2021-08-12T20:43:13.52 | 3.0 | undecidable | manual | Sg | 10.07 | 0 | |||
GU.CANO.HHZ. | 2021-08-12T20:43:10.98 | 3.0 | undecidable | manual | Sn | 2.39 | 0 | |||
IV.NOCI.HHZ. | 2021-08-12T20:43:07.50 | 3.0 | undecidable | manual | Sg | 6.87 | 0 | |||
IV.BULT.EHZ. | 2021-08-12T20:43:05.29 | 3.0 | undecidable | manual | Sg | 2.25 | 0 | |||
IV.ZEN8.EHZ. | 2021-08-12T20:43:04.97 | 3.0 | undecidable | manual | Sg | 5.32 | 0 | |||
IV.MSSA.HHZ. | 2021-08-12T20:42:59.04 | 3.0 | undecidable | manual | Sg | 9.03 | 0 | |||
IV.VOBA.EHZ. | 2021-08-12T20:42:58.54 | 3.0 | undecidable | manual | Sn | -3.18 | 0 | |||
IV.MSRU.HHZ. | 2021-08-12T20:42:42.32 | 3.0 | undecidable | manual | Pg | 9.1 | 0 | |||
ST.OZOL.EHZ. | 2021-08-12T20:42:35.77 | 3.0 | negative | manual | Pg | 11.04 | 0 | |||
MN.VAE.HHZ. | 2021-08-12T20:42:33.59 | 3.0 | undecidable | manual | Pn | -6.38 | 0 | |||
GU.RORO.HHZ. | 2021-08-12T20:42:31.06 | 3.0 | undecidable | manual | Pg | 8.54 | 0 | |||
GU.IMI.HHZ. | 2021-08-12T20:42:30.15 | 3.0 | undecidable | manual | Pg | 6.94 | 0 | |||
IV.ZEN8.EHZ. | 2021-08-12T20:42:16.08 | 3.0 | undecidable | manual | Pn | -0.37 | 0 | |||
IV.VENL.EHZ. | 2021-08-12T20:42:15.71 | 3.0 | positive | manual | Pg | 7.43 | 0 | |||
IV.CSP1.EHZ. | 2021-08-12T20:41:37.42 | 0.6 | undecidable | manual | S | 4 | 35.0427 | 50 | -0.15 | 63 |
IV.RM33.HNZ. | 2021-08-12T20:41:36.03 | 0.6 | undecidable | manual | S | 173 | 29.8479 | 50 | -0.15 | 64 |
IV.LNSS.HHZ. | 2021-08-12T20:41:34.15 | 0.6 | undecidable | manual | S | 209 | 22.0668 | 114 | 0.3 | 62 |
IV.SMA1.EHZ. | 2021-08-12T20:41:33.31 | 0.3 | undecidable | manual | S | 141 | 20.9679 | 115 | -0.18 | 96 |
IV.MTRA.EHZ. | 2021-08-12T20:41:32.46 | 0.3 | undecidable | manual | S | 97 | 18.3705 | 118 | -0.24 | 95 |
IV.MC2.EHZ. | 2021-08-12T20:41:32.17 | 0.3 | undecidable | manual | S | 5 | 15.0738 | 123 | 0.48 | 91 |
IV.CSP1.EHZ. | 2021-08-12T20:41:32.18 | 0.6 | positive | manual | P | 4 | 35.0427 | 50 | -0.28 | 61 |
IV.RM33.HNZ. | 2021-08-12T20:41:32.27 | 0.6 | undecidable | manual | P | 173 | 29.8479 | 50 | 0.62 | 56 |
IV.MMO1.EHZ. | 2021-08-12T20:41:32.76 | 0.3 | undecidable | manual | S | 43 | 18.5703 | 118 | 0.01 | 100 |
IV.T1299.HNZ. | 2021-08-12T20:41:32.93 | 0.3 | undecidable | manual | S | 150 | 18.1707 | 118 | 0.3 | 94 |
IV.MMO1.EHZ. | 2021-08-12T20:41:29.67 | 0.6 | undecidable | manual | P | 43 | 18.5703 | 118 | 0 | 67 |
IV.T1299.HNZ. | 2021-08-12T20:41:29.79 | 0.3 | undecidable | manual | P | 150 | 18.1707 | 118 | 0.19 | 97 |
IV.NRCA.HHZ. | 2021-08-12T20:41:29.27 | 0.3 | undecidable | manual | S | 323 | 7.881 | 141 | -0.56 | 90 |
IV.SMA1.EHZ. | 2021-08-12T20:41:29.98 | 0.3 | undecidable | manual | P | 141 | 20.9679 | 115 | -0.13 | 97 |
IV.MTRA.EHZ. | 2021-08-12T20:41:29.58 | 0.3 | undecidable | manual | P | 97 | 18.3705 | 118 | -0.07 | 99 |
IV.MC2.EHZ. | 2021-08-12T20:41:29.35 | 0.3 | undecidable | manual | P | 5 | 15.0738 | 123 | 0.29 | 95 |
IV.LNSS.HHZ. | 2021-08-12T20:41:29.62 | 0.6 | undecidable | manual | P | 209 | 22.0668 | 114 | -0.69 | 56 |
IV.NRCA.HHZ. | 2021-08-12T20:41:28.16 | 0.3 | undecidable | manual | P | 323 | 7.881 | 141 | 0.17 | 99 |
IV.SRES.HHZ. | 2021-08-12T20:41:26.72 | 3.0 | negative | manual | P | -5.31 | 0 |