A magnitude ML 0.2 earthquake occured in region: 5 km SE Preci (PG), on
and geographic coordinates (lat, lon) 42.8370, 13.0590 at 10 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 | 5 | 724 | 724 |
Norcia | PG | 6 | 4957 | 5681 |
Castelsantangelo sul Nera | MC | 10 | 281 | 5962 |
Visso | MC | 11 | 1107 | 7069 |
Cerreto di Spoleto | PG | 12 | 1075 | 8144 |
Sellano | PG | 12 | 1079 | 9223 |
Cascia | PG | 14 | 3217 | 12440 |
Ussita | MC | 14 | 444 | 12884 |
Poggiodomo | PG | 17 | 117 | 13001 |
Vallo di Nera | PG | 18 | 364 | 13365 |
Monte Cavallo | MC | 18 | 145 | 13510 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.2 | 2021-04-25 23:36:57 |
42.8368 | 13.0587 | 10 | 2021-04-25 23:52:20 |
Sala Sismica INGV-Roma | 89478921 |
Field | Value |
---|---|
Time (UTC) | 2021-04-25 23:36:57 ± 0.09 |
Latitude | 42.8368 ± 0.0036 |
Longitude | 13.0587 ± 0.0049 |
Depth (km) | 10 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 89478921 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 395 |
Semi-minor axis of confidence ellipse (meter) | 342 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 134 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 390.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 125 |
Number of associated phases, regardless of their use for origin computation | 20 |
Number of defining phases | 14 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.17 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.28419 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 0.2 |
Uncertainty | 0.2 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 89478921 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-04-25 23:52:20 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ARVD.HHZ. | 2021-04-25T23:37:09.14 | 3.0 | positive | manual | P | -0.05 | 0 | |||
IV.MML1.EHZ. | 2021-04-25T23:37:08.17 | 0.3 | undecidable | manual | S | 347 | 31.5462 | 50 | 0.09 | 95 |
IV.CSP1.EHZ. | 2021-04-25T23:37:06.45 | 3.0 | undecidable | manual | S | -0.07 | 0 | |||
IV.CESI.HHZ. | 2021-04-25T23:37:05.60 | 0.3 | undecidable | manual | S | 326 | 22.4553 | 115 | -0.01 | 98 |
IV.GAVE.EHE. | 2021-04-25T23:37:05.05 | 0.3 | undecidable | manual | S | 220 | 20.868 | 116 | -0.07 | 97 |
IV.MMO1.EHZ. | 2021-04-25T23:37:05.40 | 0.3 | undecidable | manual | S | 72 | 22.8549 | 114 | -0.35 | 91 |
IV.FDMO.HHZ. | 2021-04-25T23:37:05.37 | 0.3 | undecidable | manual | S | 6 | 22.2555 | 115 | -0.19 | 94 |
IV.MML1.EHZ. | 2021-04-25T23:37:03.38 | 0.3 | undecidable | manual | P | 347 | 31.5462 | 50 | -0.03 | 96 |
IV.MC2.EHZ. | 2021-04-25T23:37:03.25 | 0.3 | undecidable | manual | S | 52 | 13.4754 | 127 | 0.34 | 93 |
IV.FDMO.HHZ. | 2021-04-25T23:37:02.00 | 0.3 | undecidable | manual | P | 6 | 22.2555 | 115 | 0.05 | 97 |
IV.MMO1.EHZ. | 2021-04-25T23:37:01.90 | 0.3 | undecidable | manual | P | 72 | 22.8549 | 114 | -0.17 | 95 |
IV.CESI.HHZ. | 2021-04-25T23:37:01.83 | 0.3 | undecidable | manual | P | 326 | 22.4553 | 115 | -0.16 | 95 |
IV.GAVE.EHE. | 2021-04-25T23:37:01.76 | 0.3 | undecidable | manual | P | 220 | 20.868 | 116 | 0.05 | 97 |
IV.NRCA.HNZ. | 2021-04-25T23:37:00.89 | 0.3 | undecidable | manual | S | 95 | 4.5954 | 156 | -0.05 | 100 |
IV.MC2.EHZ. | 2021-04-25T23:37:00.71 | 0.3 | undecidable | manual | P | 52 | 13.4754 | 127 | 0.28 | 94 |
IV.NRCA.HNZ. | 2021-04-25T23:36:59.44 | 0.3 | undecidable | manual | P | 95 | 4.5954 | 156 | 0.15 | 98 |
IV.SMA1.EHZ. | 2021-04-25T23:36:54.26 | 3.0 | undecidable | manual | S | 0 | ||||
IV.T1299.EHZ. | 2021-04-25T23:36:53.20 | 3.0 | undecidable | manual | S | 0 | ||||
IV.T1299.EHZ. | 2021-04-25T23:36:52.03 | 3.0 | undecidable | manual | P | 0 | ||||
IV.SMA1.EHZ. | 2021-04-25T23:36:52.63 | 3.0 | undecidable | manual | P | 0 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.CESI.HHE. | ML:-0.1 | 0.0000054877985 | 0.0768 | AML | other | m | 2021-04-25T23:37:06.15 |
IV.CESI.HHN. | ML:0.2 | 0.0000095107765 | 0.1152 | AML | other | m | 2021-04-25T23:37:06.23 |
IV.FDMO.HHE. | ML:0.4 | 0.0000130763095 | 0.192 | AML | other | m | 2021-04-25T23:37:05.47 |
IV.FDMO.HHN. | ML:0.4 | 0.000013129390000000001 | 0.192 | AML | other | m | 2021-04-25T23:37:05.57 |