A magnitude ML 1.1 earthquake occured in region: 7 km SE Norcia (PG), on
and geographic coordinates (lat, lon) 42.7410, 13.1470 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 |
---|---|---|---|---|
Norcia | PG | 7 | 4957 | 4957 |
Accumoli | RI | 10 | 667 | 5624 |
Cascia | PG | 11 | 3217 | 8841 |
Arquata del Tronto | AP | 13 | 1178 | 10019 |
Cittareale | RI | 14 | 482 | 10501 |
Amatrice | RI | 17 | 2657 | 13158 |
Castelsantangelo sul Nera | MC | 17 | 281 | 13439 |
Poggiodomo | PG | 18 | 117 | 13556 |
Preci | PG | 18 | 724 | 14280 |
Monteleone di Spoleto | PG | 19 | 599 | 14879 |
Montegallo | AP | 19 | 523 | 15402 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2021-10-28 15:46:15 |
42.7413 | 13.147 | 9 | 2021-10-28 15:55:15 |
Sala Sismica INGV-Roma | 97043411 |
Field | Value |
---|---|
Time (UTC) | 2021-10-28 15:46:15 ± 0.15 |
Latitude | 42.7413 ± 0.0081 |
Longitude | 13.1470 ± 0.0147 |
Depth (km) | 9 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 97043411 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1311 |
Semi-minor axis of confidence ellipse (meter) | 506 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 305 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1310.0 |
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 | 30 |
Number of defining phases | 12 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.29 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.35613 |
Number of stations at which the event was observed | 23 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.1 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 97043411 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-10-28 15:55:15 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.HAGA.HHZ. | 2021-10-28T15:47:56.06 | 3.0 | undecidable | manual | Pg | 15.78 | 0 | |||
GE.MATE.HHZ. | 2021-10-28T15:47:52.01 | 3.0 | undecidable | manual | Sg | -0.05 | 0 | |||
IV.ESCV.HHZ. | 2021-10-28T15:47:43.74 | 3.0 | positive | manual | Pg | 10.34 | 0 | |||
IV.PZUN.HHZ. | 2021-10-28T15:47:39.29 | 3.0 | undecidable | manual | Sn | -3.81 | 0 | |||
IX.PGN3.HHZ.02 | 2021-10-28T15:47:37.58 | 3.0 | undecidable | manual | Sn | -7.02 | 0 | |||
IV.ECTS.HHZ. | 2021-10-28T15:47:32.58 | 3.0 | undecidable | manual | Pn | 0.39 | 0 | |||
IV.MESG.HHZ. | 2021-10-28T15:47:22.79 | 3.0 | negative | manual | Pg | 10.6 | 0 | |||
IV.RIBO.EHZ.01 | 2021-10-28T15:47:12.50 | 3.0 | undecidable | manual | Sg | 9.78 | 0 | |||
GU.GBOS.HHZ. | 2021-10-28T15:47:10.78 | 3.0 | positive | manual | Pn | 5.43 | 0 | |||
IV.CRND.HNZ. | 2021-10-28T15:47:09.10 | 3.0 | undecidable | manual | Sg | -2.34 | 0 | |||
IX.PGN3.HHZ.02 | 2021-10-28T15:47:07.97 | 3.0 | positive | manual | Pg | 8.4 | 0 | |||
GU.GORR.HHZ. | 2021-10-28T15:46:59.60 | 3.0 | positive | manual | Pg | 7.6 | 0 | |||
SI.ROSI.HHZ. | 2021-10-28T15:46:57.46 | 3.0 | positive | manual | Pn | 0.55 | 0 | |||
IV.IFOR.HHZ. | 2021-10-28T15:46:46.92 | 3.0 | positive | manual | Pn | -4.83 | 0 | |||
IT.ORP.HGZ. | 2021-10-28T15:46:42.55 | 3.0 | negative | manual | Pn | -5.86 | 0 | |||
IV.PAOL.HHZ. | 2021-10-28T15:46:42.46 | 3.0 | undecidable | manual | Pn | -6.39 | 0 | |||
IV.FIR.HHZ. | 2021-10-28T15:46:31.09 | 3.0 | undecidable | manual | Pg | -0.14 | 0 | |||
IV.TERO.HHZ. | 2021-10-28T15:46:28.73 | 0.6 | undecidable | manual | S | 109 | 39.5271 | 50 | -0.04 | 47 |
IV.MMO1.EHE. | 2021-10-28T15:46:23.78 | 0.6 | undecidable | manual | S | 40 | 22.8549 | 112 | -0.17 | 47 |
IV.GAVE.EHZ. | 2021-10-28T15:46:23.32 | 0.3 | undecidable | manual | S | 255 | 21.2676 | 114 | -0.15 | 72 |
IV.MC2.EHZ. | 2021-10-28T15:46:23.21 | 0.6 | undecidable | manual | S | 10 | 19.1697 | 116 | 0.42 | 45 |
IV.LNSS.HHZ. | 2021-10-28T15:46:22.29 | 0.3 | undecidable | manual | S | 210 | 17.6712 | 118 | -0.04 | 74 |
IV.TERO.HHZ. | 2021-10-28T15:46:22.77 | 0.6 | undecidable | manual | P | 109 | 39.5271 | 50 | -0.34 | 44 |
IV.BRSN.HNZ. | 2021-10-28T15:46:20.17 | 3.0 | undecidable | manual | P | -4.36 | 0 | |||
IV.MMO1.EHE. | 2021-10-28T15:46:20.11 | 0.1 | undecidable | manual | P | 40 | 22.8549 | 112 | -0.22 | 94 |
IV.MC2.EHZ. | 2021-10-28T15:46:20.21 | 0.1 | undecidable | manual | P | 10 | 19.1697 | 116 | 0.55 | 87 |
IV.NRCA.HHZ. | 2021-10-28T15:46:19.95 | 0.1 | undecidable | manual | S | 345 | 10.5783 | 132 | -0.34 | 93 |
IV.LNSS.HHZ. | 2021-10-28T15:46:19.81 | 0.3 | undecidable | manual | P | 210 | 17.6712 | 118 | 0.42 | 68 |
IV.GAVE.EHZ. | 2021-10-28T15:46:19.99 | 0.1 | undecidable | manual | P | 255 | 21.2676 | 114 | -0.06 | 97 |
IV.NRCA.HHZ. | 2021-10-28T15:46:18.23 | 0.1 | negative | manual | P | 345 | 10.5783 | 132 | 0.01 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:1.3 | 0.0002395 | 0.08 | AML | other | m | 2021-10-28T15:46:20.46 |
IV.NRCA.HHN. | ML:1.1 | 0.00017449999999999999 | 0.46 | AML | other | m | 2021-10-28T15:46:20.75 |
IV.LNSS.HHE. | ML:1.1 | 0.00009983138999999999 | 0.1024 | AML | other | m | 2021-10-28T15:46:22.73 |
IV.LNSS.HHN. | ML:1.0 | 0.00008711425000000001 | 0.32 | AML | other | m | 2021-10-28T15:46:22.59 |