A magnitude ML 0.7 earthquake occured in region: 5 km E Norcia (PG), on
and geographic coordinates (lat, lon) 42.7970, 13.1560 at 10 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 | 5 | 4957 | 4957 |
Castelsantangelo sul Nera | MC | 11 | 281 | 5238 |
Arquata del Tronto | AP | 12 | 1178 | 6416 |
Preci | PG | 13 | 724 | 7140 |
Accumoli | RI | 14 | 667 | 7807 |
Cascia | PG | 14 | 3217 | 11024 |
Montegallo | AP | 15 | 523 | 11547 |
Visso | MC | 16 | 1107 | 12654 |
Ussita | MC | 17 | 444 | 13098 |
Montemonaco | AP | 18 | 604 | 13702 |
Cerreto di Spoleto | PG | 20 | 1075 | 14777 |
Cittareale | RI | 20 | 482 | 15259 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 0.7 | 2021-04-18 23:29:09 |
42.7967 | 13.1558 | 10 | 2021-07-12 16:55:12 |
Bollettino Sismico Italiano INGV | 90327971 |
Field | Value |
---|---|
Time (UTC) | 2021-04-18 23:29:09 ± 0.04 |
Latitude | 42.7967 ± 0.0018 |
Longitude | 13.1558 ± 0.0025 |
Depth (km) | 10 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 90327971 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 240 |
Semi-minor axis of confidence ellipse (meter) | 195 |
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) | 240.0 |
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 | 31 |
Number of defining phases | 31 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.16 |
Epicentral distance of station closest to the epicenter (degree) | 0.04766 |
Epicentral distance of station farthest from the epicenter (degree) | 0.43887 |
Number of stations at which the event was observed | 16 |
Number of stations from which data was used for origin computation | 16 |
Field | Value |
---|---|
Value | 0.7 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 90327971 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-05-21 11:47:19 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MOMA.HNZ. | 2021-04-18T23:29:25.04 | 0.6 | undecidable | manual | S | 271 | 47.7189 | 50 | 0.34 | 44 |
IV.ASSB.HHN. | 2021-04-18T23:29:24.88 | 0.6 | undecidable | manual | S | 304 | 48.7179 | 50 | -0.1 | 47 |
IV.TERO.HHZ. | 2021-04-18T23:29:22.82 | 0.3 | undecidable | manual | S | 118 | 41.3253 | 50 | -0.18 | 70 |
IV.CESI.HHZ. | 2021-04-18T23:29:20.21 | 0.3 | undecidable | manual | S | 319 | 30.8469 | 50 | 0.01 | 73 |
IV.CSP1.EHZ. | 2021-04-18T23:29:20.85 | 0.3 | undecidable | manual | S | 7 | 32.9448 | 50 | 0.08 | 72 |
IV.MF5.EHZ. | 2021-04-18T23:29:20.97 | 0.6 | undecidable | manual | S | 49 | 32.5452 | 50 | 0.31 | 46 |
IV.FDMO.HHZ. | 2021-04-18T23:29:19.05 | 0.3 | undecidable | manual | S | 348 | 27.1506 | 50 | -0.18 | 71 |
IV.GAVE.HNZ. | 2021-04-18T23:29:18.50 | 0.6 | undecidable | manual | S | 242 | 24.2535 | 112 | 0.15 | 48 |
IV.SMA1.EHZ. | 2021-04-18T23:29:18.04 | 0.6 | undecidable | manual | S | 142 | 23.5542 | 113 | -0.08 | 49 |
IV.MOMA.HNZ. | 2021-04-18T23:29:18.56 | 0.6 | undecidable | manual | P | 271 | 47.7189 | 50 | 0.39 | 44 |
IV.LNSS.HHZ. | 2021-04-18T23:29:18.19 | 0.3 | undecidable | manual | S | 204 | 23.4543 | 113 | 0.09 | 73 |
IV.ASSB.HHN. | 2021-04-18T23:29:18.20 | 0.3 | undecidable | manual | P | 304 | 48.7179 | 50 | -0.13 | 69 |
IV.TERO.HHZ. | 2021-04-18T23:29:17.05 | 0.3 | undecidable | manual | P | 118 | 41.3253 | 50 | -0.14 | 70 |
IV.T1299.EHZ. | 2021-04-18T23:29:17.55 | 0.6 | undecidable | manual | S | 150 | 20.7681 | 116 | 0.31 | 47 |
IV.ARRO.EHZ. | 2021-04-18T23:29:16.70 | 0.3 | undecidable | manual | P | 233 | 39.9267 | 50 | -0.28 | 68 |
IV.MTRA.HNZ. | 2021-04-18T23:29:16.86 | 0.3 | undecidable | manual | S | 103 | 20.0688 | 116 | -0.17 | 72 |
IV.MF5.EHZ. | 2021-04-18T23:29:16.13 | 0.3 | undecidable | manual | P | 49 | 32.5452 | 50 | 0.29 | 69 |
IV.MMO1.EHZ. | 2021-04-18T23:29:16.45 | 0.3 | undecidable | manual | S | 51 | 17.9709 | 119 | 0.07 | 74 |
IV.CSP1.EHZ. | 2021-04-18T23:29:15.85 | 0.3 | undecidable | manual | P | 7 | 32.9448 | 50 | -0.06 | 72 |
IV.MC2.EHZ. | 2021-04-18T23:29:15.24 | 0.6 | undecidable | manual | S | 12 | 12.9759 | 127 | 0.31 | 47 |
IV.CESI.HHZ. | 2021-04-18T23:29:15.50 | 0.3 | undecidable | manual | P | 319 | 30.8469 | 50 | -0.08 | 72 |
IV.LNSS.HHZ. | 2021-04-18T23:29:14.39 | 0.3 | undecidable | manual | P | 204 | 23.4543 | 113 | 0.03 | 74 |
IV.T1299.EHZ. | 2021-04-18T23:29:14.02 | 0.1 | undecidable | manual | P | 150 | 20.7681 | 116 | 0.16 | 97 |
IV.FDMO.HHZ. | 2021-04-18T23:29:14.98 | 0.3 | undecidable | manual | P | 348 | 27.1506 | 50 | -0.04 | 73 |
IV.GAVE.HNZ. | 2021-04-18T23:29:14.46 | 0.1 | undecidable | manual | P | 242 | 24.2535 | 112 | -0.05 | 98 |
IV.SMA1.EHZ. | 2021-04-18T23:29:14.08 | 0.3 | undecidable | manual | P | 142 | 23.5542 | 113 | -0.29 | 70 |
IV.MMO1.EHZ. | 2021-04-18T23:29:13.45 | 0.3 | undecidable | manual | P | 51 | 17.9709 | 119 | 0.08 | 74 |
IV.MTRA.HNZ. | 2021-04-18T23:29:13.85 | 0.3 | undecidable | manual | P | 103 | 20.0688 | 116 | 0.1 | 73 |
IV.MC2.EHZ. | 2021-04-18T23:29:12.30 | 0.3 | undecidable | manual | P | 12 | 12.9759 | 127 | -0.24 | 72 |
IV.NRCA.HHZ. | 2021-04-18T23:29:12.85 | 0.3 | undecidable | manual | S | 320 | 5.2947 | 152 | -0.31 | 72 |
IV.NRCA.HHZ. | 2021-04-18T23:29:11.63 | 0.1 | undecidable | manual | P | 320 | 5.2947 | 152 | 0.12 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.LNSS.HHN. | ML:1.0 | 0.0000614 | 0.26 | AML | other | m | 2021-04-18T23:29:18.43 |
IV.LNSS.HHE. | ML:0.8 | 0.00004475 | 0.38 | AML | other | m | 2021-04-18T23:29:18.60 |
IV.CESI.HHE. | ML:0.5 | 0.00001485 | 0.8 | AML | other | m | 2021-04-18T23:29:20.39 |
IV.CESI.HHN. | ML:0.6 | 0.00002175 | 0.24 | AML | other | m | 2021-04-18T23:29:20.41 |
IV.TERO.HHE. | ML:0.5 | 0.00000983 | 0.32 | AML | other | m | 2021-04-18T23:29:23.43 |
IV.TERO.HHN. | ML:0.7 | 0.000012875000000000001 | 0.76 | AML | other | m | 2021-04-18T23:29:23.22 |