A magnitude ML 0.7 earthquake occured in region: 3 km W Preci (PG), on
and geographic coordinates (lat, lon) 42.8840, 13.0010 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 |
---|---|---|---|---|
Preci | PG | 3 | 724 | 724 |
Sellano | PG | 6 | 1079 | 1803 |
Visso | MC | 9 | 1107 | 2910 |
Cerreto di Spoleto | PG | 10 | 1075 | 3985 |
Monte Cavallo | MC | 12 | 145 | 4130 |
Castelsantangelo sul Nera | MC | 13 | 281 | 4411 |
Norcia | PG | 13 | 4957 | 9368 |
Ussita | MC | 13 | 444 | 9812 |
Vallo di Nera | PG | 17 | 364 | 10176 |
Cascia | PG | 18 | 3217 | 13393 |
Pieve Torina | MC | 18 | 1458 | 14851 |
Fiordimonte | MC | 19 | 202 | 15053 |
Campello sul Clitunno | PG | 20 | 2442 | 17495 |
Poggiodomo | PG | 20 | 117 | 17612 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 0.7 | 2021-04-18 04:17:41 |
42.8837 | 13.0008 | 11 | 2021-07-12 16:55:11 |
Bollettino Sismico Italiano INGV | 90078181 |
Reviewed Rev100 |
ML 0.8 | 2021-04-18 04:17:41 |
42.8743 | 12.9813 | 11 | 2021-04-18 04:26:24 |
Sala Sismica INGV-Roma | 89201871 |
Field | Value |
---|---|
Time (UTC) | 2021-04-18 04:17:41 ± 0.04 |
Latitude | 42.8837 ± 0.0018 |
Longitude | 13.0008 ± 0.0037 |
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 | 90078181 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 268 |
Semi-minor axis of confidence ellipse (meter) | 228 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 62 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 270.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 54 |
Number of associated phases, regardless of their use for origin computation | 23 |
Number of defining phases | 23 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.12 |
Epicentral distance of station closest to the epicenter (degree) | 0.08633 |
Epicentral distance of station farthest from the epicenter (degree) | 0.32555 |
Number of stations at which the event was observed | 13 |
Number of stations from which data was used for origin computation | 13 |
Field | Value |
---|---|
Value | 0.8 |
Uncertainty | 0.2 |
Num. used stations | 7 |
Type of magnitude | ML |
Reference to an origin | 89201871 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-04-18 04:26:24 |
Field | Value |
---|---|
Value | 0.7 |
Uncertainty | 0.2 |
Num. used stations | 5 |
Type of magnitude | ML |
Reference to an origin | 90078181 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-05-14 07:25:14 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.LNSS.HNE. | 2021-04-18T04:17:52.59 | 0.6 | undecidable | manual | S | 174 | 31.3464 | 50 | -0.01 | 50 |
IV.CSP1.EHZ. | 2021-04-18T04:17:51.99 | 0.3 | undecidable | manual | S | 36 | 28.4493 | 50 | 0.16 | 73 |
IV.MML1.HNZ. | 2021-04-18T04:17:51.05 | 0.3 | undecidable | manual | S | 355 | 25.6521 | 50 | -0.03 | 76 |
IV.MMO1.EHZ. | 2021-04-18T04:17:51.25 | 0.3 | undecidable | manual | S | 86 | 26.5512 | 50 | -0.08 | 75 |
IV.FDMO.HHZ. | 2021-04-18T04:17:49.02 | 0.3 | undecidable | manual | S | 22 | 18.3705 | 50 | -0.12 | 75 |
IV.MC2.EHZ. | 2021-04-18T04:17:48.58 | 0.3 | undecidable | manual | S | 79 | 15.5733 | 125 | 0.21 | 74 |
IV.LNSS.HNE. | 2021-04-18T04:17:48.01 | 0.6 | undecidable | manual | P | 174 | 31.3464 | 50 | -0.01 | 50 |
IV.CESI.HHZ. | 2021-04-18T04:17:48.13 | 0.3 | undecidable | manual | S | 330 | 15.5733 | 125 | -0.23 | 74 |
IV.MOMA.HNZ. | 2021-04-18T04:17:48.84 | 0.1 | undecidable | manual | P | 256 | 36.1416 | 50 | 0.08 | 98 |
IV.ASSB.HHE. | 2021-04-18T04:17:48.15 | 0.3 | undecidable | manual | P | 303 | 32.9448 | 50 | -0.11 | 74 |
IV.MMO1.EHZ. | 2021-04-18T04:17:47.21 | 0.1 | undecidable | manual | P | 86 | 26.5512 | 50 | -0.08 | 100 |
IT.MTCL.HGZ. | 2021-04-18T04:17:47.26 | 0.6 | undecidable | manual | S | 359 | 12.2766 | 132 | -0.19 | 50 |
IV.CSP1.EHZ. | 2021-04-18T04:17:47.58 | 0.3 | undecidable | manual | P | 36 | 28.4493 | 50 | 0.01 | 76 |
IV.FEMA.HNZ. | 2021-04-18T04:17:47.00 | 0.6 | undecidable | manual | S | 25 | 9.5793 | 139 | 0.19 | 50 |
IV.MML1.HNZ. | 2021-04-18T04:17:47.05 | 0.6 | undecidable | manual | P | 355 | 25.6521 | 50 | -0.09 | 50 |
IV.GAVE.EHZ. | 2021-04-18T04:17:46.93 | 0.6 | undecidable | manual | P | 202 | 22.9548 | 50 | 0.2 | 49 |
IV.NRCA.HHZ. | 2021-04-18T04:17:46.76 | 0.6 | undecidable | manual | S | 121 | 10.7781 | 135 | -0.33 | 49 |
IV.FDMO.HHZ. | 2021-04-18T04:17:46.08 | 0.3 | undecidable | manual | P | 22 | 18.3705 | 50 | 0.06 | 76 |
IV.CESI.HHZ. | 2021-04-18T04:17:45.70 | 0.3 | undecidable | manual | P | 330 | 15.5733 | 125 | 0.13 | 76 |
IV.MC2.EHZ. | 2021-04-18T04:17:45.44 | 0.3 | undecidable | manual | P | 79 | 15.5733 | 125 | -0.14 | 75 |
IT.MTCL.HGZ. | 2021-04-18T04:17:45.23 | 0.3 | undecidable | manual | P | 359 | 12.2766 | 132 | 0.18 | 75 |
IV.NRCA.HHZ. | 2021-04-18T04:17:44.81 | 0.3 | undecidable | manual | P | 121 | 10.7781 | 135 | -0.03 | 78 |
IV.FEMA.HNZ. | 2021-04-18T04:17:44.79 | 0.3 | undecidable | manual | P | 25 | 9.5793 | 139 | 0.12 | 77 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.CESI.HNE. | ML:1.0 | 0.00009326824 | 0.6304 | AML | other | m | 2021-04-18T04:17:47.41 |
IV.CESI.HHN. | ML:0.6 | 0.000040241395 | 0.3392 | AML | other | m | 2021-04-18T04:17:48.61 |
IV.CESI.HHE. | ML:0.4 | 0.000021343092500000002 | 0.08 | AML | other | m | 2021-04-18T04:17:48.61 |
IV.FDMO.HHN. | ML:0.7 | 0.00003785 | 0.16 | AML | other | m | 2021-04-18T04:17:49.30 |
IV.FDMO.HHE. | ML:0.6 | 0.000036 | 0.14 | AML | other | m | 2021-04-18T04:17:49.61 |