A magnitude ML 1.0 earthquake occured in region: 7 km W Arquata del Tronto (AP), on
and geographic coordinates (lat, lon) 42.7960, 13.2220 at 11 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 |
---|---|---|---|---|
Arquata del Tronto | AP | 7 | 1178 | 1178 |
Montegallo | AP | 11 | 523 | 1701 |
Norcia | PG | 11 | 4957 | 6658 |
Accumoli | RI | 11 | 667 | 7325 |
Castelsantangelo sul Nera | MC | 12 | 281 | 7606 |
Montemonaco | AP | 15 | 604 | 8210 |
Acquasanta Terme | AP | 16 | 2916 | 11126 |
Preci | PG | 18 | 724 | 11850 |
Ussita | MC | 18 | 444 | 12294 |
Visso | MC | 19 | 1107 | 13401 |
Cascia | PG | 19 | 3217 | 16618 |
Montefortino | FM | 19 | 1178 | 17796 |
Amatrice | RI | 19 | 2657 | 20453 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.0 | 2021-12-27 20:58:14 |
42.7963 | 13.2218 | 11 | 2021-12-27 21:05:57 |
Sala Sismica INGV-Roma | 99066601 |
Field | Value |
---|---|
Time (UTC) | 2021-12-27 20:58:14 ± 0.07 |
Latitude | 42.7963 ± 0.0036 |
Longitude | 13.2218 ± 0.0061 |
Depth (km) | 11 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 99066601 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 465 |
Semi-minor axis of confidence ellipse (meter) | 360 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 288 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 470.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 80 |
Number of associated phases, regardless of their use for origin computation | 32 |
Number of defining phases | 21 |
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) | 0.33005 |
Number of stations at which the event was observed | 22 |
Number of stations from which data was used for origin computation | 11 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.4 |
Num. used stations | 15 |
Type of magnitude | ML |
Reference to an origin | 99066601 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-12-27 21:05:57 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MPNC.HHZ. | 2021-12-27T20:59:28.74 | 3.0 | undecidable | manual | Pn | 6.31 | 0 | |||
OT.TAR1.HHZ. | 2021-12-27T20:59:27.23 | 3.0 | positive | manual | Pg | 16.059999 | 0 | |||
IV.SELL.HHZ. | 2021-12-27T20:59:22.75 | 3.0 | undecidable | manual | Pn | 1.93 | 0 | |||
OE.WTTA.HHZ. | 2021-12-27T20:59:16.70 | 3.0 | undecidable | manual | Sn | -0.16 | 0 | |||
IV.CERA.HHZ. | 2021-12-27T20:59:15.45 | 3.0 | undecidable | manual | Sn | 1.19 | 0 | |||
OT.OT17.EHZ. | 2021-12-27T20:58:44.31 | 3.0 | undecidable | manual | Pn | -1.39 | 0 | |||
IV.FOSV.EHZ. | 2021-12-27T20:58:32.03 | 3.0 | undecidable | manual | Sn | 0.39 | 0 | |||
IV.CESI.HHZ. | 2021-12-27T20:58:26.17 | 0.3 | undecidable | manual | S | 312 | 34.6431 | 50 | 0.04 | 72 |
IV.MF5.EHZ. | 2021-12-27T20:58:25.49 | 0.3 | undecidable | manual | S | 42 | 28.749 | 50 | 0.94 | 55 |
IV.CSP1.EHZ. | 2021-12-27T20:58:25.52 | 0.3 | undecidable | manual | S | 358 | 32.8449 | 50 | -0.12 | 71 |
IV.GAVE.EHZ. | 2021-12-27T20:58:25.12 | 0.3 | undecidable | manual | S | 247 | 29.0487 | 50 | 0.47 | 66 |
IV.RMP.HHZ. | 2021-12-27T20:58:25.07 | 3.0 | negative | manual | Pn | 0.05 | 0 | |||
IV.FDMO.HHZ. | 2021-12-27T20:58:24.32 | 0.1 | undecidable | manual | S | 338 | 28.8489 | 50 | -0.25 | 92 |
IV.LNSS.HHZ. | 2021-12-27T20:58:23.92 | 0.3 | undecidable | manual | S | 215 | 26.0517 | 50 | 0.08 | 72 |
IV.SMA1.EHZ. | 2021-12-27T20:58:22.22 | 0.3 | undecidable | manual | S | 153 | 20.5683 | 50 | -0.16 | 71 |
IV.TERO.HHZ. | 2021-12-27T20:58:21.35 | 0.3 | undecidable | manual | P | 122 | 36.6411 | 50 | -0.12 | 70 |
IV.CESI.HHZ. | 2021-12-27T20:58:21.02 | 0.1 | undecidable | manual | P | 312 | 34.6431 | 50 | -0.15 | 93 |
IV.GAVE.EHZ. | 2021-12-27T20:58:20.23 | 0.3 | undecidable | manual | P | 247 | 29.0487 | 50 | -0.09 | 72 |
IV.MF5.EHZ. | 2021-12-27T20:58:20.46 | 0.1 | undecidable | manual | P | 42 | 28.749 | 50 | 0.2 | 93 |
IV.MC2.EHZ. | 2021-12-27T20:58:20.46 | 0.3 | undecidable | manual | S | 348 | 13.0758 | 130 | 0.17 | 72 |
IV.CSP1.EHZ. | 2021-12-27T20:58:20.71 | 0.1 | undecidable | manual | P | 358 | 32.8449 | 50 | -0.18 | 93 |
IV.MMO1.EHZ. | 2021-12-27T20:58:20.46 | 0.1 | undecidable | manual | S | 37 | 14.2746 | 127 | -0.16 | 96 |
IV.NRCA.HHZ. | 2021-12-27T20:58:19.47 | 0.1 | undecidable | manual | S | 295 | 9.6792 | 138 | 0.02 | 100 |
IV.LNSS.HHZ. | 2021-12-27T20:58:19.80 | 0.1 | undecidable | manual | P | 215 | 26.0517 | 50 | -0.05 | 97 |
IV.FDMO.HHZ. | 2021-12-27T20:58:19.97 | 0.3 | undecidable | manual | P | 338 | 28.8489 | 50 | -0.3 | 68 |
IV.SMA1.EHZ. | 2021-12-27T20:58:18.93 | 0.1 | undecidable | manual | P | 153 | 20.5683 | 50 | -0.08 | 97 |
IV.MMO1.EHZ. | 2021-12-27T20:58:17.94 | 0.1 | undecidable | manual | P | 37 | 14.2746 | 127 | -0.05 | 99 |
IV.NRCA.HHZ. | 2021-12-27T20:58:17.44 | 0.1 | undecidable | manual | P | 295 | 9.6792 | 138 | 0.13 | 98 |
IV.MC2.EHZ. | 2021-12-27T20:58:17.90 | 0.1 | undecidable | manual | P | 348 | 13.0758 | 130 | 0.1 | 98 |
IV.ARVD.HHZ. | 2021-12-27T20:58:09.89 | 3.0 | positive | manual | Pn | -2.74 | 0 | |||
IV.FIR.HHZ. | 2021-12-27T20:58:04.83 | 3.0 | undecidable | manual | S | -0.2 | 0 | |||
IV.IMOL.HNZ. | 2021-12-27T20:58:02.50 | 3.0 | positive | manual | Pn | 0.3 | 0 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:1.9 | 0.0009690000000000001 | 0.08 | AML | other | m | 2021-12-27T20:58:19.58 |
IV.NRCA.HNE. | ML:1.9 | 0.0009495 | 0.08 | AML | other | m | 2021-12-27T20:58:19.58 |
IV.NRCA.HHN. | ML:2.0 | 0.0013700000000000001 | 0.08 | AML | other | m | 2021-12-27T20:58:19.62 |
IV.MMO1.EHE. | ML:1.4 | 0.000266 | 0.14 | AML | other | m | 2021-12-27T20:58:20.63 |
IV.MMO1.EHN. | ML:1.1 | 0.00012954479499999999 | 0.128 | AML | other | m | 2021-12-27T20:58:21.36 |
IV.LNSS.HHN. | ML:1.0 | 0.00005312762 | 2.88 | AML | other | m | 2021-12-27T20:58:24.38 |
IV.LNSS.HHE. | ML:0.9 | 0.0000463 | 1.08 | AML | other | m | 2021-12-27T20:58:24.59 |
IV.FDMO.HHN. | ML:0.6 | 0.00001935 | 1.06 | AML | other | m | 2021-12-27T20:58:25.64 |
IV.FDMO.HHE. | ML:0.6 | 0.000017793202 | 0.2304 | AML | other | m | 2021-12-27T20:58:24.42 |
IV.MC2.EHE. | ML:1.1 | 0.000141012905 | 0.1792 | AML | other | m | 2021-12-27T20:58:22.11 |
IV.MC2.EHN. | ML:1.2 | 0.0001798267 | 0.2048 | AML | other | m | 2021-12-27T20:58:22.23 |
IV.SMA1.EHE. | ML:0.7 | 0.000033529155 | 1.6384 | AML | other | m | 2021-12-27T20:58:22.34 |
IV.SMA1.EHN. | ML:0.6 | 0.000027163175000000003 | 7.36 | AML | other | m | 2021-12-27T20:58:26.02 |
IV.GAVE.EHE. | ML:0.7 | 0.000026991425 | 0.1792 | AML | other | m | 2021-12-27T20:58:27.97 |
IV.GAVE.EHN. | ML:0.8 | 0.00002939871 | 0.2048 | AML | other | m | 2021-12-27T20:58:25.74 |