A magnitude ML 1.4 earthquake occured in region: 5 km E Norcia (PG), on
and geographic coordinates (lat, lon) 42.7950, 13.1590 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 | 5 | 4957 | 4957 |
Castelsantangelo sul Nera | MC | 11 | 281 | 5238 |
Arquata del Tronto | AP | 12 | 1178 | 6416 |
Accumoli | RI | 13 | 667 | 7083 |
Preci | PG | 14 | 724 | 7807 |
Cascia | PG | 15 | 3217 | 11024 |
Montegallo | AP | 15 | 523 | 11547 |
Visso | MC | 16 | 1107 | 12654 |
Ussita | MC | 17 | 444 | 13098 |
Montemonaco | AP | 18 | 604 | 13702 |
Cittareale | RI | 20 | 482 | 14184 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.4 | 2021-01-09 17:34:26 |
42.7953 | 13.1593 | 10 | 2021-01-09 17:41:01 |
Sala Sismica INGV-Roma | 86125731 |
Field | Value |
---|---|
Time (UTC) | 2021-01-09 17:34:26 ± 0.06 |
Latitude | 42.7953 ± 0.0027 |
Longitude | 13.1593 ± 0.0049 |
Depth (km) | 10 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 86125731 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 321 |
Semi-minor axis of confidence ellipse (meter) | 277 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 253 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 320.0 |
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 | 17 |
Number of defining phases | 16 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.15 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.29768 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 1.4 |
Uncertainty | 0.1 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 86125731 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-01-09 17:41:01 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CRTC.HHZ. | 2021-01-09T17:34:46.85 | 3.0 | undecidable | manual | P | 0.55 | 0 | |||
IV.CSP1.EHZ. | 2021-01-09T17:34:38.02 | 0.3 | undecidable | manual | S | 6 | 33.0447 | 50 | -0.12 | 71 |
IV.LNSS.HHZ. | 2021-01-09T17:34:35.39 | 0.6 | undecidable | manual | S | 204 | 23.4543 | 113 | -0.08 | 48 |
IV.MTRA.EHZ. | 2021-01-09T17:34:34.05 | 0.3 | undecidable | manual | S | 102 | 19.7691 | 117 | -0.26 | 70 |
IV.T1299.HNZ. | 2021-01-09T17:34:34.75 | 0.6 | undecidable | manual | S | 151 | 20.4684 | 116 | 0.22 | 47 |
IV.CSP1.EHZ. | 2021-01-09T17:34:33.27 | 0.6 | negative | manual | P | 6 | 33.0447 | 50 | 0 | 48 |
IV.MMO1.EHZ. | 2021-01-09T17:34:33.74 | 0.3 | undecidable | manual | S | 50 | 17.871 | 119 | 0.02 | 74 |
IV.FDMO.HHZ. | 2021-01-09T17:34:32.41 | 1.0 | undecidable | manual | P | 348 | 27.3504 | 50 | 0.03 | 24 |
IV.CESI.HHZ. | 2021-01-09T17:34:32.95 | 0.6 | positive | manual | P | 318 | 31.1466 | 50 | -0.01 | 48 |
IV.MTRA.EHZ. | 2021-01-09T17:34:31.03 | 1.0 | positive | manual | P | 102 | 19.7691 | 117 | -0.03 | 25 |
IV.T1299.HNZ. | 2021-01-09T17:34:31.39 | 0.1 | undecidable | manual | P | 151 | 20.4684 | 116 | 0.21 | 95 |
IV.LNSS.HHZ. | 2021-01-09T17:34:31.67 | 0.1 | positive | manual | P | 204 | 23.4543 | 113 | -0.05 | 97 |
IV.SMA1.EHZ. | 2021-01-09T17:34:31.38 | 0.6 | undecidable | manual | P | 142 | 23.2545 | 113 | -0.31 | 46 |
IV.NRCA.HHZ. | 2021-01-09T17:34:30.28 | 0.6 | undecidable | manual | S | 319 | 5.5944 | 151 | -0.32 | 47 |
IV.MC2.EHZ. | 2021-01-09T17:34:30.12 | 0.1 | undecidable | manual | P | 11 | 13.0758 | 127 | 0.2 | 96 |
IV.MMO1.EHZ. | 2021-01-09T17:34:30.82 | 0.3 | undecidable | manual | P | 50 | 17.871 | 119 | 0.1 | 73 |
IV.NRCA.HHZ. | 2021-01-09T17:34:28.98 | 0.1 | negative | manual | P | 319 | 5.5944 | 151 | 0.06 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:1.4 | 0.000429 | 0.16 | AML | other | m | 2021-01-09T17:34:30.28 |
IV.NRCA.HHN. | ML:1.4 | 0.0004205 | 0.14 | AML | other | m | 2021-01-09T17:34:30.28 |
IV.MTRA.EHN. | ML:1.3 | 0.000135 | 0.74 | AML | other | m | 2021-01-09T17:34:34.67 |
IV.MTRA.EHE. | ML:1.2 | 0.00012764445000000002 | 0.2176 | AML | other | m | 2021-01-09T17:34:34.69 |
IV.LNSS.HHN. | ML:1.6 | 0.0002595 | 0.2 | AML | other | m | 2021-01-09T17:34:35.62 |
IV.LNSS.HHE. | ML:1.3 | 0.0001255 | 0.24 | AML | other | m | 2021-01-09T17:34:35.57 |
IV.NRCA.HNE. | ML:1.4 | 0.00044335835 | 0.1664 | AML | other | m | 2021-01-09T17:34:30.28 |
IV.NRCA.HNN. | ML:1.3 | 0.00032385699999999993 | 0.1024 | AML | other | m | 2021-01-09T17:34:30.28 |
IV.MTRA.HNE. | ML:1.2 | 0.0001196603 | 0.2176 | AML | other | m | 2021-01-09T17:34:34.68 |
IV.MTRA.HNN. | ML:1.3 | 0.00015808955 | 0.2688 | AML | other | m | 2021-01-09T17:34:34.53 |
IV.LNSS.HNE. | ML:1.3 | 0.00012113014 | 0.1664 | AML | other | m | 2021-01-09T17:34:35.61 |
IV.LNSS.HNN. | ML:1.6 | 0.000230943255 | 0.192 | AML | other | m | 2021-01-09T17:34:35.62 |