A magnitude ML 0.7 earthquake occured in region: 4 km E Norcia (PG), on
and geographic coordinates (lat, lon) 42.7950, 13.1380 at 8 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 | 4 | 4957 | 4957 |
Castelsantangelo sul Nera | MC | 11 | 281 | 5238 |
Preci | PG | 12 | 724 | 5962 |
Arquata del Tronto | AP | 13 | 1178 | 7140 |
Cascia | PG | 13 | 3217 | 10357 |
Accumoli | RI | 14 | 667 | 11024 |
Visso | MC | 16 | 1107 | 12131 |
Ussita | MC | 17 | 444 | 12575 |
Montegallo | AP | 17 | 523 | 13098 |
Cerreto di Spoleto | PG | 18 | 1075 | 14173 |
Poggiodomo | PG | 19 | 117 | 14290 |
Montemonaco | AP | 19 | 604 | 14894 |
Cittareale | RI | 20 | 482 | 15376 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.7 | 2020-08-25 00:34:46 |
42.7947 | 13.1383 | 8 | 2020-08-25 01:31:29 |
Sala Sismica INGV-Roma | 82302371 |
Field | Value |
---|---|
Time (UTC) | 2020-08-25 00:34:46 ± 0.16 |
Latitude | 42.7947 ± 0.0044 |
Longitude | 13.1383 ± 0.0053 |
Depth (km) | 8 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 82302371 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 525 |
Semi-minor axis of confidence ellipse (meter) | 213 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 29 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 520.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 103 |
Number of associated phases, regardless of their use for origin computation | 13 |
Number of defining phases | 12 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.13 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.24462 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 0.7 |
Uncertainty | 0.0 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 82302371 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-08-25 01:31:29 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.PIEI.HHZ. | 2020-08-25T00:35:07.72 | 3.0 | undecidable | manual | Sn | -0.29 | 0 | |||
IV.FDMO.HHZ. | 2020-08-25T00:34:56.26 | 0.6 | undecidable | manual | S | 352 | 27.1506 | 106 | -0.15 | 126 |
IV.MTRA.EHZ. | 2020-08-25T00:34:54.41 | 0.6 | undecidable | manual | S | 101 | 21.4674 | 110 | -0.14 | 126 |
IV.MMO1.EHZ. | 2020-08-25T00:34:53.92 | 0.6 | undecidable | manual | S | 52 | 19.2696 | 113 | 0.09 | 126 |
IV.FDMO.HHZ. | 2020-08-25T00:34:52.00 | 1.0 | negative | manual | P | 352 | 27.1506 | 106 | -0.25 | 63 |
IV.GAVE.EHZ. | 2020-08-25T00:34:51.44 | 1.0 | negative | manual | P | 241 | 22.9548 | 109 | -0.01 | 63 |
IV.SMA1.EHZ. | 2020-08-25T00:34:51.65 | 1.0 | positive | manual | P | 138 | 24.2535 | 108 | -0.06 | 63 |
IV.MTRA.EHZ. | 2020-08-25T00:34:51.16 | 1.0 | undecidable | manual | P | 101 | 21.4674 | 110 | -0.02 | 63 |
IV.MMO1.EHZ. | 2020-08-25T00:34:50.85 | 0.6 | negative | manual | P | 52 | 19.2696 | 113 | 0.09 | 126 |
IV.MC2.EHZ. | 2020-08-25T00:34:50.20 | 1.0 | undecidable | manual | P | 17 | 13.5753 | 121 | 0.45 | 63 |
IV.NRCA.HHZ. | 2020-08-25T00:34:49.79 | 0.6 | undecidable | manual | S | 336 | 4.6953 | 150 | -0.07 | 126 |
IV.NRCA.HHZ. | 2020-08-25T00:34:48.58 | 0.6 | undecidable | manual | P | 336 | 4.6953 | 150 | 0.11 | 126 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MTRA.EHN. | ML:0.7 | 0.00003515 | 0.58 | AML | other | m | 2020-08-25T00:34:55.43 |
IV.MTRA.EHE. | ML:0.7 | 0.0000348 | 0.44 | AML | other | m | 2020-08-25T00:34:56.28 |