A magnitude ML 0.5 earthquake occured in region: 3 km W Nocera Umbra (PG), on
and geographic coordinates (lat, lon) 43.1060, 12.7610 at 11 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 |
---|---|---|---|---|
Nocera Umbra | PG | 3 | 5839 | 5839 |
Valtopina | PG | 5 | 1398 | 7237 |
Assisi | PG | 12 | 28299 | 35536 |
Gualdo Tadino | PG | 14 | 15208 | 50744 |
Valfabbrica | PG | 14 | 3389 | 54133 |
Spello | PG | 15 | 8645 | 62778 |
Serravalle di Chienti | MC | 16 | 1070 | 63848 |
Sefro | MC | 16 | 422 | 64270 |
Fiuminata | MC | 17 | 1402 | 65672 |
Foligno | PG | 17 | 57155 | 122827 |
Bastia Umbra | PG | 18 | 21874 | 144701 |
Cannara | PG | 19 | 4305 | 149006 |
Pioraco | MC | 20 | 1134 | 150140 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 0.6
ML 0.5 |
2021-08-16 19:57:55 |
43.1062 | 12.7612 | 11 | 2021-12-29 11:12:22 |
Bollettino Sismico Italiano INGV | 94614711 |
Reviewed Rev100 |
Md 0.6
ML 0.5 |
2021-08-16 19:57:55 |
43.104 | 12.7623 | 11 | 2021-08-16 20:04:15 |
Sala Sismica INGV-Roma | 94269581 |
Field | Value |
---|---|
Time (UTC) | 2021-08-16 19:57:55 ± 0.03 |
Latitude | 43.1062 ± 0.0018 |
Longitude | 12.7612 ± 0.0025 |
Depth (km) | 11 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 94614711 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 214 |
Semi-minor axis of confidence ellipse (meter) | 115 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 211 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 210.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 96 |
Number of associated phases, regardless of their use for origin computation | 13 |
Number of defining phases | 11 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.07 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.24821 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 0.5 |
Uncertainty | 0.3 |
Num. used stations | 7 |
Type of magnitude | ML |
Reference to an origin | 94269581 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-08-16 20:04:15 |
Field | Value |
---|---|
Value | 0.5 |
Uncertainty | 0.2 |
Num. used stations | 7 |
Type of magnitude | ML |
Reference to an origin | 94614711 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-08-25 08:14:14 |
Field | Value |
---|---|
Value | 0.6 |
Uncertainty | 0.2 |
Num. used stations | 5 |
Type of magnitude | Md |
Reference to an origin | 94614711 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-08-25 08:14:14 |
Field | Value |
---|---|
Value | 0.6 |
Uncertainty | 0.2 |
Num. used stations | 5 |
Type of magnitude | Md |
Reference to an origin | 94269581 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-08-16 20:04:15 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CPGN.EHZ. | 2021-08-16T19:58:08.18 | 3.0 | undecidable | manual | P | -2.65 | 0 | |||
IV.FDMO.HHZ. | 2021-08-16T19:58:05.48 | 0.1 | undecidable | manual | S | 106 | 27.5502 | 50 | 0.03 | 97 |
IV.CESI.HNE. | 2021-08-16T19:58:02.34 | 0.1 | undecidable | manual | S | 134 | 16.1727 | 124 | -0.04 | 99 |
IV.MML1.EHZ. | 2021-08-16T19:58:02.60 | 0.1 | undecidable | manual | S | 87 | 17.0718 | 123 | -0.04 | 98 |
IV.FDMO.HHZ. | 2021-08-16T19:58:01.30 | 0.1 | undecidable | manual | P | 106 | 27.5502 | 50 | 0.01 | 97 |
IV.ATCC.EHZ. | 2021-08-16T19:58:01.55 | 0.1 | undecidable | manual | S | 312 | 13.1757 | 130 | 0 | 100 |
IV.ASSB.HHZ. | 2021-08-16T19:58:00.88 | 0.1 | undecidable | manual | S | 230 | 10.878 | 135 | -0.08 | 99 |
IV.FOSV.EHZ. | 2021-08-16T19:58:00.16 | 0.1 | undecidable | manual | P | 360 | 20.9679 | 50 | -0.12 | 96 |
IV.CESI.HNE. | 2021-08-16T19:57:59.54 | 0.1 | undecidable | manual | P | 134 | 16.1727 | 124 | 0.02 | 99 |
IV.MML1.EHZ. | 2021-08-16T19:57:59.73 | 0.1 | undecidable | manual | P | 87 | 17.0718 | 123 | 0.05 | 98 |
IV.ATCC.EHZ. | 2021-08-16T19:57:59.12 | 0.1 | undecidable | manual | P | 312 | 13.1757 | 130 | 0.08 | 98 |
IV.ASSB.HHZ. | 2021-08-16T19:57:58.77 | 0.1 | undecidable | manual | P | 230 | 10.878 | 135 | 0.07 | 99 |
IV.MURB.HHZ. | 2021-08-16T19:57:56.62 | 3.0 | undecidable | manual | P | 0 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.ASSB.HHN. | ML:0.5 | 0.00004059470499999999 | 0.1024 | AML | other | m | 2021-08-16T19:58:00.95 |
IV.ASSB.HHE. | ML:0.3 | 0.000027327595 | 0.1408 | AML | other | m | 2021-08-16T19:58:01.38 |
IV.ATCC.EHE. | ML:0.9 | 0.00008460000000000001 | 0.2 | AML | other | m | 2021-08-16T19:58:01.82 |
IV.ATCC.EHN. | ML:0.8 | 0.000059478169999999994 | 0.1024 | AML | other | m | 2021-08-16T19:58:02.01 |
IV.MML1.EHE. | ML:0.3 | 0.000015043040000000001 | 0.2176 | AML | other | m | 2021-08-16T19:58:02.85 |
IV.MML1.EHN. | ML:0.3 | 0.000014213218499999999 | 0.2048 | AML | other | m | 2021-08-16T19:58:03.19 |
IV.FDMO.HHE. | ML:0.5 | 0.000013442955 | 1.2448 | AML | other | m | 2021-08-16T19:58:05.70 |