A magnitude ML 1.1 earthquake occured in region: 7 km E Norcia (PG), on
and geographic coordinates (lat, lon) 42.7830, 13.1770 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 | 7 | 4957 | 4957 |
Arquata del Tronto | AP | 10 | 1178 | 6135 |
Accumoli | RI | 11 | 667 | 6802 |
Castelsantangelo sul Nera | MC | 13 | 281 | 7083 |
Montegallo | AP | 15 | 523 | 7606 |
Cascia | PG | 15 | 3217 | 10823 |
Preci | PG | 16 | 724 | 11547 |
Montemonaco | AP | 18 | 604 | 12151 |
Visso | MC | 18 | 1107 | 13258 |
Ussita | MC | 18 | 444 | 13702 |
Cittareale | RI | 18 | 482 | 14184 |
Acquasanta Terme | AP | 19 | 2916 | 17100 |
Amatrice | RI | 19 | 2657 | 19757 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2020-09-14 21:49:05 |
42.7828 | 13.1767 | 11 | 2020-09-14 21:54:00 |
Sala Sismica INGV-Roma | 82910621 |
Field | Value |
---|---|
Time (UTC) | 2020-09-14 21:49:05 ± 0.04 |
Latitude | 42.7828 ± 0.0027 |
Longitude | 13.1767 ± 0.0049 |
Depth (km) | 11 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 82910621 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 410 |
Semi-minor axis of confidence ellipse (meter) | 220 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 236 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 410.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 175 |
Number of associated phases, regardless of their use for origin computation | 10 |
Number of defining phases | 8 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.08 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.26170 |
Number of stations at which the event was observed | 7 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.1 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 82910621 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-09-14 21:54:00 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.TERO.HHZ. | 2020-09-14T21:49:13.26 | 3.0 | undecidable | manual | P | 0.01 | 0 | |||
IV.SMA1.EHZ. | 2020-09-14T21:49:13.57 | 0.3 | undecidable | manual | S | 143 | 21.2676 | 50 | -0.08 | 74 |
IV.MMO1.EHZ. | 2020-09-14T21:49:12.70 | 0.6 | undecidable | manual | S | 43 | 17.7711 | 50 | -0.02 | 50 |
IV.CSP1.EHZ. | 2020-09-14T21:49:12.45 | 3.0 | undecidable | manual | P | 0.07 | 0 | |||
IV.FDMO.HHZ. | 2020-09-14T21:49:11.36 | 0.1 | undecidable | manual | P | 346 | 29.0487 | 50 | -0.04 | 98 |
IV.NRCA.HHZ. | 2020-09-14T21:49:10.00 | 0.6 | undecidable | manual | S | 318 | 7.5813 | 145 | -0.1 | 50 |
IV.SMA1.EHZ. | 2020-09-14T21:49:10.28 | 0.6 | negative | manual | P | 143 | 21.2676 | 50 | 0.08 | 49 |
IV.MTRA.EHZ. | 2020-09-14T21:49:09.74 | 0.1 | undecidable | manual | P | 99 | 18.1707 | 50 | 0.03 | 100 |
IV.MMO1.EHZ. | 2020-09-14T21:49:09.69 | 0.6 | positive | manual | P | 43 | 17.7711 | 50 | 0.03 | 50 |
IV.NRCA.HHZ. | 2020-09-14T21:49:08.32 | 0.6 | undecidable | manual | P | 318 | 7.5813 | 145 | 0.17 | 49 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:1.1 | 0.00017299999999999998 | 0.18 | AML | other | m | 2020-09-14T21:49:10.20 |
IV.NRCA.HHN. | ML:1.0 | 0.000136 | 0.16 | AML | other | m | 2020-09-14T21:49:10.19 |