A magnitude ML 1.2 earthquake occured in region: 6 km S Norcia (PG), on
and geographic coordinates (lat, lon) 42.7390, 13.0980 at 11 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 | 6 | 4957 | 4957 |
Cascia | PG | 7 | 3217 | 8174 |
Accumoli | RI | 13 | 667 | 8841 |
Poggiodomo | PG | 14 | 117 | 8958 |
Cittareale | RI | 14 | 482 | 9440 |
Monteleone di Spoleto | PG | 15 | 599 | 10039 |
Preci | PG | 16 | 724 | 10763 |
Arquata del Tronto | AP | 17 | 1178 | 11941 |
Cerreto di Spoleto | PG | 17 | 1075 | 13016 |
Castelsantangelo sul Nera | MC | 18 | 281 | 13297 |
Vallo di Nera | PG | 20 | 364 | 13661 |
Amatrice | RI | 20 | 2657 | 16318 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.2 | 2021-02-02 02:23:54 |
42.7388 | 13.0982 | 11 | 2021-02-02 02:28:32 |
Sala Sismica INGV-Roma | 86776381 |
Field | Value |
---|---|
Time (UTC) | 2021-02-02 02:23:54 ± 0.05 |
Latitude | 42.7388 ± 0.0018 |
Longitude | 13.0982 ± 0.0037 |
Depth (km) | 11 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 86776381 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 334 |
Semi-minor axis of confidence ellipse (meter) | 165 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 294 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 330.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 105 |
Number of associated phases, regardless of their use for origin computation | 15 |
Number of defining phases | 14 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.1 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.36153 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.3 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 86776381 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-02-02 02:28:32 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.FDMO.HHZ. | 2021-02-02T02:24:05.61 | 0.3 | undecidable | manual | S | 358 | 33.0447 | 50 | -0.05 | 73 |
IV.MMO1.EHZ. | 2021-02-02T02:24:03.73 | 0.3 | undecidable | manual | S | 46 | 25.752 | 50 | 0.01 | 74 |
IV.RM33.EHZ. | 2021-02-02T02:24:03.97 | 0.3 | undecidable | manual | S | 160 | 27.2505 | 50 | -0.13 | 72 |
IV.CSP1.EHZ. | 2021-02-02T02:24:02.03 | 0.6 | undecidable | manual | P | 12 | 40.1265 | 50 | 0.06 | 48 |
IV.LNSS.HHZ. | 2021-02-02T02:24:01.13 | 0.3 | undecidable | manual | S | 197 | 15.7731 | 125 | 0.13 | 74 |
IV.TERO.HNZ. | 2021-02-02T02:24:01.86 | 3.0 | undecidable | manual | P | -0.15 | 0 | |||
IV.GAVE.EHZ. | 2021-02-02T02:24:01.51 | 0.1 | undecidable | manual | S | 253 | 17.3715 | 122 | 0.04 | 99 |
IV.FDMO.HHZ. | 2021-02-02T02:24:00.89 | 0.6 | negative | manual | P | 358 | 33.0447 | 50 | 0.01 | 49 |
IV.MMO1.EHZ. | 2021-02-02T02:23:59.78 | 1.0 | positive | manual | P | 46 | 25.752 | 50 | 0.03 | 25 |
IV.NRCA.HHZ. | 2021-02-02T02:23:59.49 | 0.3 | undecidable | manual | S | 7 | 10.5783 | 136 | -0.13 | 74 |
IV.RM33.EHZ. | 2021-02-02T02:23:59.79 | 1.0 | positive | manual | P | 160 | 27.2505 | 50 | -0.19 | 24 |
IV.SMA1.EHZ. | 2021-02-02T02:23:59.59 | 1.0 | negative | manual | P | 122 | 22.755 | 50 | 0.3 | 23 |
IV.GAVE.EHZ. | 2021-02-02T02:23:58.15 | 1.0 | negative | manual | P | 253 | 17.3715 | 122 | -0.31 | 24 |
IV.LNSS.HHZ. | 2021-02-02T02:23:58.25 | 0.1 | positive | manual | P | 197 | 15.7731 | 125 | 0.06 | 100 |
IV.NRCA.HHZ. | 2021-02-02T02:23:57.50 | 0.1 | negative | manual | P | 7 | 10.5783 | 136 | 0.11 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:1.5 | 0.000382 | 0.1 | AML | other | m | 2021-02-02T02:23:59.63 |
IV.NRCA.HNE. | ML:1.5 | 0.000356 | 0.18 | AML | other | m | 2021-02-02T02:23:59.64 |
IV.NRCA.HHN. | ML:1.2 | 0.0001875 | 0.46 | AML | other | m | 2021-02-02T02:23:59.49 |
IV.NRCA.HNN. | ML:1.4 | 0.000272 | 0.96 | AML | other | m | 2021-02-02T02:24:00.50 |
IV.LNSS.HHE. | ML:0.9 | 0.00007515 | 0.82 | AML | other | m | 2021-02-02T02:24:01.72 |
IV.LNSS.HHN. | ML:0.9 | 0.00006415 | 1 | AML | other | m | 2021-02-02T02:24:01.82 |