A magnitude ML 0.7 earthquake occured in region: 4 km E Preci (PG), on
and geographic coordinates (lat, lon) 42.8860, 13.0930 at 4 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 |
---|---|---|---|---|
Preci | PG | 4 | 724 | 724 |
Visso | MC | 5 | 1107 | 1831 |
Castelsantangelo sul Nera | MC | 5 | 281 | 2112 |
Ussita | MC | 8 | 444 | 2556 |
Norcia | PG | 10 | 4957 | 7513 |
Sellano | PG | 13 | 1079 | 8592 |
Monte Cavallo | MC | 14 | 145 | 8737 |
Cerreto di Spoleto | PG | 16 | 1075 | 9812 |
Bolognola | MC | 16 | 142 | 9954 |
Fiordimonte | MC | 17 | 202 | 10156 |
Acquacanina | MC | 17 | 121 | 10277 |
Fiastra | MC | 18 | 559 | 10836 |
Pieve Torina | MC | 18 | 1458 | 12294 |
Montemonaco | AP | 19 | 604 | 12898 |
Pievebovigliana | MC | 20 | 866 | 13764 |
Cascia | PG | 20 | 3217 | 16981 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.7 | 2021-09-02 08:51:00 |
42.8862 | 13.093 | 4 | 2021-09-02 09:08:33 |
Sala Sismica INGV-Roma | 94952911 |
Field | Value |
---|---|
Time (UTC) | 2021-09-02 08:51:00 ± 0.28 |
Latitude | 42.8862 ± 0.0054 |
Longitude | 13.0930 ± 0.0123 |
Depth (km) | 4 ± 3 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 94952911 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 786 |
Semi-minor axis of confidence ellipse (meter) | 778 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 264 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 790.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 195 |
Number of associated phases, regardless of their use for origin computation | 7 |
Number of defining phases | 7 |
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) | 0.05486 |
Epicentral distance of station farthest from the epicenter (degree) | 0.22123 |
Number of stations at which the event was observed | 4 |
Number of stations from which data was used for origin computation | 4 |
Field | Value |
---|---|
Value | 0.7 |
Uncertainty | 0.4 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 94952911 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-09-02 09:08:33 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.FDMO.HHZ. | 2021-09-02T08:51:06.70 | 0.6 | undecidable | manual | S | 358 | 16.6722 | 105 | -0.11 | 48 |
IV.CSP1.EHZ. | 2021-09-02T08:51:05.52 | 1.0 | negative | manual | P | 22 | 24.5532 | 100 | -0.3 | 23 |
IV.MC2.EHZ. | 2021-09-02T08:51:04.14 | 0.6 | undecidable | manual | S | 70 | 8.2806 | 118 | 0.06 | 49 |
IV.FDMO.HHZ. | 2021-09-02T08:51:04.55 | 0.6 | negative | manual | P | 358 | 16.6722 | 105 | 0.27 | 47 |
IV.NRCA.HHZ. | 2021-09-02T08:51:03.41 | 0.6 | undecidable | manual | S | 163 | 6.0939 | 126 | -0.01 | 50 |
IV.NRCA.HHZ. | 2021-09-02T08:51:02.31 | 0.1 | undecidable | manual | P | 163 | 6.0939 | 126 | -0.01 | 100 |
IV.MC2.EHZ. | 2021-09-02T08:51:02.63 | 1.0 | undecidable | manual | P | 70 | 8.2806 | 118 | -0.07 | 25 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:0.0 | 0.0005031044 | 0.0768 | AML | other | m | 2021-09-02T08:51:03.61 |
IV.NRCA.HNE. | ML:0.0 | 0.0004969857 | 0.0576 | AML | other | m | 2021-09-02T08:51:03.61 |
IV.NRCA.HNN. | ML:0.0 | 0.0003123952 | 0.0896 | AML | other | m | 2021-09-02T08:51:03.99 |
IV.FDMO.HHE. | ML:0.4 | 0.00002737499 | 0.1792 | AML | other | m | 2021-09-02T08:51:06.96 |
IV.FDMO.HHN. | ML:0.5 | 0.000032135669999999996 | 0.16 | AML | other | m | 2021-09-02T08:51:06.99 |
IV.CSP1.EHE. | ML:1.2 | 0.00011456727 | 1.6768 | AML | other | m | 2021-09-02T08:51:07.46 |
IV.CSP1.EHN. | ML:1.0 | 0.00006334399 | 0.8192 | AML | other | m | 2021-09-02T08:51:26.52 |