A magnitude ML 1.0 earthquake occured in region: 7 km E Norcia (PG), on
and geographic coordinates (lat, lon) 42.8190, 13.1740 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 |
Castelsantangelo sul Nera | MC | 9 | 281 | 5238 |
Arquata del Tronto | AP | 11 | 1178 | 6416 |
Preci | PG | 13 | 724 | 7140 |
Montegallo | AP | 13 | 523 | 7663 |
Visso | MC | 14 | 1107 | 8770 |
Ussita | MC | 14 | 444 | 9214 |
Accumoli | RI | 15 | 667 | 9881 |
Montemonaco | AP | 16 | 604 | 10485 |
Cascia | PG | 17 | 3217 | 13702 |
Montefortino | FM | 20 | 1178 | 14880 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.0 | 2021-12-26 10:06:30 |
42.8187 | 13.1737 | 10 | 2021-12-26 10:14:08 |
Sala Sismica INGV-Roma | 99002091 |
Field | Value |
---|---|
Time (UTC) | 2021-12-26 10:06:30 ± 0.1 |
Latitude | 42.8187 ± 0.0045 |
Longitude | 13.1737 ± 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 | 99002091 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 598 |
Semi-minor axis of confidence ellipse (meter) | 367 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 247 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 600.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 104 |
Number of associated phases, regardless of their use for origin computation | 27 |
Number of defining phases | 13 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.25 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.33095 |
Number of stations at which the event was observed | 21 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.1 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 99002091 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-12-26 10:14:08 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.BOZZ.EHZ. | 2021-12-26T10:08:13.69 | 3.0 | undecidable | manual | Sg | 14.67 | 0 | |||
IV.GIZZ.HHZ. | 2021-12-26T10:08:13.50 | 3.0 | undecidable | manual | Sn | 1.38 | 0 | |||
IV.MBAL.EHZ. | 2021-12-26T10:08:10.56 | 3.0 | undecidable | manual | Sn | 3.07 | 0 | |||
IV.ZOVE.EHZ. | 2021-12-26T10:08:07.56 | 3.0 | undecidable | manual | Sg | 10.21 | 0 | |||
OX.CIMO.HHZ. | 2021-12-26T10:08:05.24 | 3.0 | undecidable | manual | Sn | -7.56 | 0 | |||
IV.VOBA.EHZ. | 2021-12-26T10:08:04.87 | 3.0 | undecidable | manual | Sn | -4.62 | 0 | |||
IV.TEOL.HHZ. | 2021-12-26T10:07:59.39 | 3.0 | undecidable | manual | Sg | 5.37 | 0 | |||
IV.TREG.EHZ. | 2021-12-26T10:07:57.61 | 3.0 | undecidable | manual | Sn | -3.69 | 0 | |||
IV.MILN.HNZ. | 2021-12-26T10:07:44.46 | 3.0 | negative | manual | Pg | 16.530001 | 0 | |||
IV.ZEN8.EHZ. | 2021-12-26T10:07:33.60 | 3.0 | undecidable | manual | Pg | 12.89 | 0 | |||
IV.SPS2.HHZ. | 2021-12-26T10:07:28.03 | 3.0 | negative | manual | Pg | 7.38 | 0 | |||
IX.RSF3.HHZ.02 | 2021-12-26T10:07:20.98 | 3.0 | undecidable | manual | Sg | -0.82 | 0 | |||
IV.MRB1.HHZ. | 2021-12-26T10:06:52.38 | 3.0 | undecidable | manual | P | 0.3 | 0 | |||
IV.PTRJ.HHZ. | 2021-12-26T10:06:45.83 | 3.0 | undecidable | manual | P | -0.73 | 0 | |||
IV.CSP1.EHZ. | 2021-12-26T10:06:40.91 | 0.3 | undecidable | manual | S | 5 | 30.4473 | 50 | -0.01 | 72 |
IV.LNSS.HNE. | 2021-12-26T10:06:40.25 | 0.3 | undecidable | manual | S | 204 | 26.2515 | 110 | 0.44 | 66 |
IV.SMA1.EHZ. | 2021-12-26T10:06:39.12 | 0.1 | undecidable | manual | S | 148 | 24.6531 | 112 | -0.17 | 94 |
IV.MTRA.EHE. | 2021-12-26T10:06:37.97 | 0.3 | undecidable | manual | S | 111 | 19.3695 | 117 | 0.35 | 68 |
IV.CSP1.EHZ. | 2021-12-26T10:06:36.30 | 0.1 | undecidable | manual | P | 5 | 30.4473 | 50 | -0.04 | 96 |
IV.LNSS.HNE. | 2021-12-26T10:06:35.72 | 0.1 | undecidable | manual | P | 204 | 26.2515 | 110 | 0.03 | 97 |
IV.MC2.EHZ. | 2021-12-26T10:06:35.33 | 0.3 | undecidable | manual | S | 7 | 10.3785 | 133 | 0.3 | 70 |
IV.SMA1.EHZ. | 2021-12-26T10:06:35.28 | 0.1 | undecidable | manual | P | 148 | 24.6531 | 112 | -0.11 | 95 |
IV.MTRA.EHE. | 2021-12-26T10:06:34.14 | 0.1 | undecidable | manual | P | 111 | 19.3695 | 117 | -0.29 | 93 |
IV.NRCA.HHZ. | 2021-12-26T10:06:33.57 | 0.1 | undecidable | manual | S | 289 | 5.0949 | 153 | -0.34 | 94 |
IV.MC2.EHZ. | 2021-12-26T10:06:33.03 | 0.1 | undecidable | manual | P | 7 | 10.3785 | 133 | 0.1 | 98 |
IV.NRCA.HHZ. | 2021-12-26T10:06:32.32 | 0.1 | undecidable | manual | P | 289 | 5.0949 | 153 | 0.03 | 100 |
IV.CAMP.HHZ. | 2021-12-26T10:06:25.09 | 0.1 | undecidable | manual | P | 36.741 | -9.99 | 0 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.1 | 0.00020649999999999998 | 0.12 | AML | other | m | 2021-12-26T10:06:33.79 |
IV.NRCA.HHE. | ML:0.9 | 0.000144 | 1.28 | AML | other | m | 2021-12-26T10:06:34.68 |