A magnitude ML 0.5 earthquake occured in region: 4 km S Montefalco (PG), on
and geographic coordinates (lat, lon) 42.8620, 12.6400 at 9 km depth.
The earthquake was located by: Bollettino Sismico Italiano INGV.
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 |
---|---|---|---|---|
Montefalco | PG | 4 | 5679 | 5679 |
Castel Ritaldi | PG | 5 | 3278 | 8957 |
Giano dell'Umbria | PG | 6 | 3846 | 12803 |
Bevagna | PG | 8 | 5081 | 17884 |
Gualdo Cattaneo | PG | 9 | 6155 | 24039 |
Trevi | PG | 9 | 8469 | 32508 |
Foligno | PG | 12 | 57155 | 89663 |
Campello sul Clitunno | PG | 12 | 2442 | 92105 |
Massa Martana | PG | 13 | 3770 | 95875 |
Spello | PG | 15 | 8645 | 104520 |
Cannara | PG | 16 | 4305 | 108825 |
Spoleto | PG | 16 | 38218 | 147043 |
Collazzone | PG | 17 | 3473 | 150516 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 0.5 | 2023-03-11 22:54:57 |
42.8623 | 12.6402 | 9 | 2024-03-01 17:18:05 |
Bollettino Sismico Italiano INGV | 116898531 |
Field | Value |
---|---|
Time (UTC) | 2023-03-11 22:54:57 ± 0.11 |
Latitude | 42.8623 ± 0.0036 |
Longitude | 12.6402 ± 0.0086 |
Depth (km) | 9 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 116898531 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 634 |
Semi-minor axis of confidence ellipse (meter) | 439 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 289 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 630.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 143 |
Number of associated phases, regardless of their use for origin computation | 9 |
Number of defining phases | 9 |
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) | 0.07824 |
Epicentral distance of station farthest from the epicenter (degree) | 0.34894 |
Number of stations at which the event was observed | 6 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 0.5 |
Uncertainty | 0.1 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 116898531 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2023-04-30 09:18:22 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CESI.HHZ. | 2023-03-11T22:55:07.55 | 0.6 | undecidable | manual | S | 54 | 26.6511 | 108 | 0.11 | 48 |
IV.NRCA.HHZ. | 2023-03-11T22:55:05.34 | 0.6 | positive | manual | P | 95 | 38.7279 | 50 | -0.06 | 47 |
IV.ASSB.HHZ. | 2023-03-11T22:55:05.13 | 0.6 | undecidable | manual | S | 4 | 20.0688 | 113 | -0.15 | 48 |
IV.GAVE.EHN. | 2023-03-11T22:55:03.29 | 1.0 | undecidable | manual | P | 132 | 27.9498 | 107 | -0.29 | 23 |
IV.CESI.HHZ. | 2023-03-11T22:55:03.34 | 0.3 | undecidable | manual | P | 54 | 26.6511 | 108 | 0.02 | 73 |
IV.ASSB.HHZ. | 2023-03-11T22:55:02.10 | 0.3 | undecidable | manual | P | 4 | 20.0688 | 113 | 0.02 | 74 |
IV.MOMA.HHZ. | 2023-03-11T22:55:01.74 | 0.6 | undecidable | manual | S | 221 | 8.6802 | 135 | -0.2 | 48 |
IV.MOMA.HHZ. | 2023-03-11T22:55:00.20 | 0.1 | undecidable | manual | P | 221 | 8.6802 | 135 | 0.05 | 100 |
IT.GNU.HGE. | 2023-03-11T22:55:00.33 | 0.3 | undecidable | manual | P | 221 | 8.6802 | 135 | 0.17 | 73 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.ASSB.HHN. | ML:0.5 | 0.0000237331 | 2.0864 | AML | other | m | 2023-03-11T22:55:06.78 |
IV.ASSB.HHE. | ML:0.4 | 0.000021307845 | 0.384 | AML | other | m | 2023-03-11T22:55:05.73 |