A magnitude ML 1.0 earthquake occured in region: 4 km S Norcia (PG), on
and geographic coordinates (lat, lon) 42.7530, 13.0880 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 | 5 | 4957 | 4957 |
Cascia | PG | 7 | 3217 | 8174 |
Poggiodomo | PG | 13 | 117 | 8291 |
Preci | PG | 15 | 724 | 9015 |
Accumoli | RI | 15 | 667 | 9682 |
Monteleone di Spoleto | PG | 16 | 599 | 10281 |
Cerreto di Spoleto | PG | 16 | 1075 | 11356 |
Cittareale | RI | 16 | 482 | 11838 |
Castelsantangelo sul Nera | MC | 17 | 281 | 12119 |
Arquata del Tronto | AP | 17 | 1178 | 13297 |
Vallo di Nera | PG | 18 | 364 | 13661 |
Visso | MC | 20 | 1107 | 14768 |
Sellano | PG | 20 | 1079 | 15847 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.0 | 2021-03-03 11:10:18 |
42.7533 | 13.0877 | 11 | 2021-03-03 11:16:16 |
Sala Sismica INGV-Roma | 87658071 |
Field | Value |
---|---|
Time (UTC) | 2021-03-03 11:10:18 ± 0.09 |
Latitude | 42.7533 ± 0.0036 |
Longitude | 13.0877 ± 0.0049 |
Depth (km) | 11 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 87658071 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 437 |
Semi-minor axis of confidence ellipse (meter) | 263 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 117 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 440.0 |
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 | 19 |
Number of defining phases | 18 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.18 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.38311 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.3 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 87658071 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-03-03 11:16:16 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.RMP.HHZ. | 2021-03-03T11:10:36.75 | 3.0 | positive | manual | P | -0.18 | 0 | |||
IV.MOMA.HHN. | 2021-03-03T11:10:33.15 | 0.6 | undecidable | manual | S | 278 | 42.5241 | 50 | 0.49 | 43 |
IV.CSP1.EHZ. | 2021-03-03T11:10:31.63 | 0.6 | undecidable | manual | S | 14 | 38.7279 | 50 | -0.02 | 48 |
IV.FDMO.HHZ. | 2021-03-03T11:10:29.42 | 0.6 | undecidable | manual | S | 360 | 31.4463 | 50 | -0.27 | 46 |
IV.CESI.HHZ. | 2021-03-03T11:10:29.38 | 0.3 | undecidable | manual | S | 332 | 31.6461 | 50 | -0.37 | 68 |
IV.MTRA.HNZ. | 2021-03-03T11:10:27.90 | 0.6 | undecidable | manual | S | 89 | 25.1526 | 50 | -0.13 | 48 |
IV.MC2.EHZ. | 2021-03-03T11:10:26.76 | 0.3 | undecidable | manual | S | 25 | 19.3695 | 50 | 0.28 | 71 |
IV.CSP1.EHZ. | 2021-03-03T11:10:26.22 | 1.0 | negative | manual | P | 14 | 38.7279 | 50 | -0.01 | 24 |
IV.MOMA.HHN. | 2021-03-03T11:10:26.82 | 0.1 | undecidable | manual | P | 278 | 42.5241 | 50 | 0.01 | 96 |
IV.LNSS.HHZ. | 2021-03-03T11:10:25.83 | 0.6 | undecidable | manual | S | 193 | 17.1717 | 50 | -0.06 | 50 |
IV.FDMO.HHZ. | 2021-03-03T11:10:25.11 | 1.0 | negative | manual | P | 360 | 31.4463 | 50 | 0.01 | 25 |
IV.GAVE.EHZ. | 2021-03-03T11:10:25.61 | 0.3 | undecidable | manual | S | 247 | 17.1717 | 50 | -0.28 | 71 |
IV.CESI.HHZ. | 2021-03-03T11:10:25.60 | 0.6 | undecidable | manual | P | 332 | 31.6461 | 50 | 0.47 | 45 |
IV.MTRA.HNZ. | 2021-03-03T11:10:24.10 | 0.1 | undecidable | manual | P | 89 | 25.1526 | 50 | -0.04 | 99 |
IV.NRCA.HHZ. | 2021-03-03T11:10:23.57 | 0.6 | undecidable | manual | S | 14 | 9.1797 | 140 | -0.23 | 49 |
IV.MC2.EHZ. | 2021-03-03T11:10:23.35 | 0.6 | positive | manual | P | 25 | 19.3695 | 50 | 0.1 | 49 |
IV.GAVE.EHZ. | 2021-03-03T11:10:22.96 | 0.1 | negative | manual | P | 247 | 17.1717 | 50 | 0.05 | 100 |
IV.LNSS.HHZ. | 2021-03-03T11:10:22.94 | 0.1 | undecidable | manual | P | 193 | 17.1717 | 50 | 0.04 | 100 |
IV.NRCA.HHZ. | 2021-03-03T11:10:21.80 | 0.3 | undecidable | manual | P | 14 | 9.1797 | 140 | 0.1 | 75 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.LNSS.HHN. | ML:1.3 | 0.0001795 | 1.82 | AML | other | m | 2021-03-03T11:10:25.07 |
IV.LNSS.HHE. | ML:1.3 | 0.0001725 | 0.4 | AML | other | m | 2021-03-03T11:10:26.01 |
IV.GAVE.EHE. | ML:1.0 | 0.00007486041 | 0.1408 | AML | other | m | 2021-03-03T11:10:26.20 |
IV.GAVE.EHN. | ML:1.0 | 0.00007810784 | 0.1216 | AML | other | m | 2021-03-03T11:10:26.04 |
IV.FDMO.HHE. | ML:0.8 | 0.000029753049999999995 | 0.48 | AML | other | m | 2021-03-03T11:10:30.80 |
IV.FDMO.HHN. | ML:0.6 | 0.000020505904999999997 | 0.224 | AML | other | m | 2021-03-03T11:10:30.56 |
IV.CESI.HHE. | ML:0.4 | 0.000011243098 | 0.6592 | AML | other | m | 2021-03-03T11:10:29.77 |
IV.CESI.HHN. | ML:0.8 | 0.000028451730000000003 | 1.44 | AML | other | m | 2021-03-03T11:10:29.92 |
IV.CSP1.EHE. | ML:1.0 | 0.000033638509999999994 | 0.5184 | AML | other | m | 2021-03-03T11:10:31.91 |
IV.CSP1.EHN. | ML:1.2 | 0.000050032470000000004 | 3.04 | AML | other | m | 2021-03-03T11:10:32.59 |