A magnitude ML 0.4 earthquake occured in region: 5 km E Ussita (MC), on
and geographic coordinates (lat, lon) 42.9480, 13.2030 at 2 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 |
---|---|---|---|---|
Ussita | MC | 5 | 444 | 444 |
Bolognola | MC | 6 | 142 | 586 |
Castelsantangelo sul Nera | MC | 7 | 281 | 867 |
Acquacanina | MC | 9 | 121 | 988 |
Visso | MC | 10 | 1107 | 2095 |
Fiastra | MC | 11 | 559 | 2654 |
Montefortino | FM | 11 | 1178 | 3832 |
Montemonaco | AP | 12 | 604 | 4436 |
Sarnano | MC | 13 | 3264 | 7700 |
Amandola | FM | 13 | 3629 | 11329 |
Fiordimonte | MC | 14 | 202 | 11531 |
Preci | PG | 15 | 724 | 12255 |
Montegallo | AP | 16 | 523 | 12778 |
Pievebovigliana | MC | 16 | 866 | 13644 |
Pieve Torina | MC | 16 | 1458 | 15102 |
Monte Cavallo | MC | 17 | 145 | 15247 |
Comunanza | AP | 17 | 3166 | 18413 |
Gualdo | MC | 17 | 815 | 19228 |
Cessapalombo | MC | 19 | 512 | 19740 |
Norcia | PG | 19 | 4957 | 24697 |
Muccia | MC | 20 | 915 | 25612 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.4 | 2023-08-21 10:14:01 |
42.9483 | 13.2032 | 2 | 2023-08-21 10:33:33 |
Sala Sismica INGV-Roma | 120353601 |
Field | Value |
---|---|
Time (UTC) | 2023-08-21 10:14:01 ± 0.36 |
Latitude | 42.9483 ± 0.0099 |
Longitude | 13.2032 ± 0.0147 |
Depth (km) | 2 ± 5 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 120353601 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1268 |
Semi-minor axis of confidence ellipse (meter) | 580 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 57 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1270.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 182 |
Number of associated phases, regardless of their use for origin computation | 11 |
Number of defining phases | 8 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.34 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.13220 |
Number of stations at which the event was observed | 7 |
Number of stations from which data was used for origin computation | 4 |
Field | Value |
---|---|
Value | 0.4 |
Uncertainty | 0.1 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 120353601 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-08-21 10:33:33 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.SGG.HHZ. | 2023-08-21T10:14:51.76 | 3.0 | undecidable | manual | Sn | 0.04 | 0 | |||
IV.ARVD.HHZ. | 2023-08-21T10:14:23.81 | 3.0 | undecidable | manual | S | 0.11 | 0 | |||
IV.NRCA.HHZ. | 2023-08-21T10:14:06.38 | 0.3 | undecidable | manual | S | 210 | 14.6742 | 99 | -0.18 | 74 |
IV.FDMO.HHZ. | 2023-08-21T10:14:05.46 | 0.6 | undecidable | manual | S | 316 | 13.5753 | 100 | -0.72 | 42 |
IV.ATCC.EHZ. | 2023-08-21T10:14:05.34 | 3.0 | undecidable | manual | P | -0.11 | 0 | |||
IV.NRCA.HHZ. | 2023-08-21T10:14:04.34 | 1.0 | undecidable | manual | P | 210 | 14.6742 | 99 | -0.04 | 25 |
IV.FDMO.HHZ. | 2023-08-21T10:14:04.64 | 0.3 | negative | manual | P | 316 | 13.5753 | 100 | 0.47 | 70 |
7F.SIB1.EHE. | 2023-08-21T10:14:04.10 | 0.3 | undecidable | manual | S | 138 | 8.0808 | 106 | -0.22 | 75 |
7F.SIB1.EHE. | 2023-08-21T10:14:03.10 | 0.3 | undecidable | manual | P | 138 | 8.0808 | 106 | 0.01 | 78 |
IV.MC2.EHZ. | 2023-08-21T10:14:03.19 | 0.6 | undecidable | manual | S | 196 | 4.2957 | 119 | 0.09 | 51 |
IV.MC2.EHZ. | 2023-08-21T10:14:02.61 | 0.1 | undecidable | manual | P | 196 | 4.2957 | 119 | 0.22 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:0.4 | 0.00003165 | 0.1 | AML | other | m | 2023-08-21T10:14:07.05 |
IV.NRCA.HHN. | ML:0.3 | 0.00002455 | 0.08 | AML | other | m | 2023-08-21T10:14:07.24 |