A magnitude ML 1.0 earthquake occured in region: 4 km E Norcia (PG), on
and geographic coordinates (lat, lon) 42.8070, 13.1400 at 6 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 |
---|---|---|---|---|
Norcia | PG | 4 | 4957 | 4957 |
Castelsantangelo sul Nera | MC | 10 | 281 | 5238 |
Preci | PG | 12 | 724 | 5962 |
Arquata del Tronto | AP | 13 | 1178 | 7140 |
Cascia | PG | 14 | 3217 | 10357 |
Visso | MC | 15 | 1107 | 11464 |
Accumoli | RI | 15 | 667 | 12131 |
Ussita | MC | 15 | 444 | 12575 |
Montegallo | AP | 16 | 523 | 13098 |
Cerreto di Spoleto | PG | 18 | 1075 | 14173 |
Montemonaco | AP | 19 | 604 | 14777 |
Sellano | PG | 20 | 1079 | 15856 |
Poggiodomo | PG | 20 | 117 | 15973 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.0 | 2021-06-20 19:46:55 |
42.8067 | 13.1397 | 6 | 2021-12-29 11:12:31 |
Bollettino Sismico Italiano INGV | 95511961 |
Reviewed Rev100 |
ML 1.1 | 2021-06-20 19:46:54 |
42.8135 | 13.1253 | 9 | 2021-06-20 20:10:15 |
Sala Sismica INGV-Roma | 91615921 |
Field | Value |
---|---|
Time (UTC) | 2021-06-20 19:46:55 ± 0.14 |
Latitude | 42.8067 ± 0.0027 |
Longitude | 13.1397 ± 0.0086 |
Depth (km) | 6 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 95511961 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 574 |
Semi-minor axis of confidence ellipse (meter) | 371 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 84 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 570.0 |
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 | 32 |
Number of defining phases | 19 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.24 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.34624 |
Number of stations at which the event was observed | 22 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.2 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 95511961 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-09-16 15:20:29 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.2 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 91615921 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-06-20 20:10:15 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.TOLF.HHE. | 2021-06-20T19:47:23.20 | 3.0 | undecidable | manual | S | -7.1 | 0 | |||
IV.SAP2.EHN. | 2021-06-20T19:47:09.35 | 0.6 | undecidable | manual | S | 33 | 38.4282 | 99 | 0.45 | 43 |
IV.SACS.HHZ. | 2021-06-20T19:47:06.92 | 3.0 | undecidable | manual | S | -4.98 | 0 | |||
IV.RM33.EHZ. | 2021-06-20T19:47:06.81 | 0.6 | undecidable | manual | S | 169 | 33.5442 | 100 | -0.41 | 44 |
IV.LNSS.HNZ. | 2021-06-20T19:47:04.07 | 0.6 | undecidable | manual | S | 200 | 24.0537 | 104 | 0.09 | 48 |
IV.SMA1.EHE. | 2021-06-20T19:47:04.29 | 0.3 | undecidable | manual | S | 141 | 25.2525 | 103 | -0.09 | 71 |
IV.FDMO.HHZ. | 2021-06-20T19:47:04.48 | 0.6 | undecidable | manual | S | 351 | 25.8519 | 103 | -0.12 | 47 |
IV.T1299.HNE. | 2021-06-20T19:47:03.94 | 0.3 | undecidable | manual | S | 149 | 22.3554 | 105 | 0.51 | 65 |
IV.SAP2.EHN. | 2021-06-20T19:47:03.70 | 1.0 | undecidable | manual | P | 33 | 38.4282 | 99 | 0.51 | 21 |
IV.CSP1.EHZ. | 2021-06-20T19:47:01.84 | 0.3 | undecidable | manual | P | 9 | 32.0457 | 100 | -0.09 | 71 |
IV.MMO1.EHZ. | 2021-06-20T19:47:01.73 | 0.3 | undecidable | manual | S | 56 | 18.3705 | 108 | -0.36 | 68 |
IV.SACS.HHN. | 2021-06-20T19:47:01.61 | 3.0 | undecidable | manual | P | 1 | 0 | |||
IV.RM33.EHZ. | 2021-06-20T19:47:01.80 | 0.3 | undecidable | manual | P | 169 | 33.5442 | 100 | -0.43 | 66 |
IV.CPGN.EHZ. | 2021-06-20T19:47:01.00 | 3.0 | undecidable | manual | P | 0.96 | 0 | |||
IV.FDMO.HHZ. | 2021-06-20T19:47:00.55 | 0.3 | undecidable | manual | P | 351 | 25.8519 | 103 | -0.16 | 70 |
IV.MC2.EHZ. | 2021-06-20T19:47:00.39 | 0.3 | undecidable | manual | S | 19 | 12.2766 | 116 | 0.26 | 70 |
IV.T1299.HNE. | 2021-06-20T19:47:00.24 | 0.3 | undecidable | manual | P | 149 | 22.3554 | 105 | 0.21 | 70 |
IV.LNSS.HNZ. | 2021-06-20T19:47:00.65 | 0.3 | undecidable | manual | P | 200 | 24.0537 | 104 | 0.3 | 69 |
IV.SMA1.EHE. | 2021-06-20T19:47:00.42 | 0.3 | undecidable | manual | P | 141 | 25.2525 | 103 | -0.16 | 70 |
IV.MMO1.EHZ. | 2021-06-20T19:46:59.02 | 0.3 | undecidable | manual | P | 56 | 18.3705 | 108 | -0.24 | 70 |
IV.MC2.EHZ. | 2021-06-20T19:46:58.31 | 0.3 | undecidable | manual | P | 19 | 12.2766 | 116 | 0.18 | 72 |
IV.NRCA.HNZ. | 2021-06-20T19:46:57.69 | 0.1 | undecidable | manual | S | 325 | 3.5964 | 148 | -0.1 | 98 |
IV.NRCA.HNZ. | 2021-06-20T19:46:56.81 | 0.1 | undecidable | manual | P | 325 | 3.5964 | 148 | 0.03 | 100 |
IV.NARO.HHZ. | 2021-06-20T19:46:54.09 | 3.0 | undecidable | manual | P | -0.83 | 0 | |||
IV.ARVD.HHZ. | 2021-06-20T19:46:53.48 | 3.0 | undecidable | manual | P | -0.37 | 0 | |||
IV.PIEI.HHZ. | 2021-06-20T19:46:52.83 | 3.0 | positive | manual | P | -0.61 | 0 | |||
IV.ATMI.HHZ. | 2021-06-20T19:46:51.42 | 3.0 | negative | manual | P | -1.54 | 0 | |||
IV.SSFR.HHZ. | 2021-06-20T19:46:51.48 | 3.0 | negative | manual | P | 0.12 | 0 | |||
IV.ATVO.HHZ. | 2021-06-20T19:46:50.53 | 3.0 | undecidable | manual | P | -1.06 | 0 | |||
IV.MURB.HHN. | 2021-06-20T19:46:49.33 | 3.0 | undecidable | manual | P | 0.82 | 0 | |||
IV.ASSB.HHZ. | 2021-06-20T19:46:48.86 | 3.0 | undecidable | manual | P | -1.21 | 0 | |||
IV.ATCC.EHZ. | 2021-06-20T19:46:47.31 | 3.0 | undecidable | manual | P | 0.35 | 0 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.FDMO.HHN. | ML:0.9 | 0.00005065 | 0.62 | AML | other | m | 2021-06-20T19:47:05.92 |
IV.FDMO.HHE. | ML:1.0 | 0.000059250000000000004 | 1.16 | AML | other | m | 2021-06-20T19:47:05.12 |
IV.SMA1.EHE. | ML:1.0 | 0.0000724 | 0.36 | AML | other | m | 2021-06-20T19:47:07.68 |
IV.RM33.EHE. | ML:0.8 | 0.000027950000000000002 | 0.56 | AML | other | m | 2021-06-20T19:47:07.63 |
IV.SMA1.EHN. | ML:1.0 | 0.0000584 | 1.54 | AML | other | m | 2021-06-20T19:47:07.21 |
IV.CSP1.EHE. | ML:1.2 | 0.00008074625 | 0.2944 | AML | other | m | 2021-06-20T19:47:08.35 |
IV.CSP1.EHN. | ML:1.3 | 0.00009807255500000001 | 0.2944 | AML | other | m | 2021-06-20T19:47:09.27 |
IV.RM33.EHN. | ML:0.9 | 0.00003635 | 0.38 | AML | other | m | 2021-06-20T19:47:09.17 |