Earthquake with magnitude of ML 1.7 on date 01-10-2021 and time 11:33:29 (Italy) in region 5 km W Campotosto (AQ)

A magnitude ML 1.7 earthquake occured in region: 5 km W Campotosto (AQ), on

  • 01-10-2021 09:33:29 (UTC)
  • 01-10-2021 11:33:29 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.5770, 13.3200 at 12 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Campotosto AQ 5 542 542
Capitignano AQ 6 665 1207
Amatrice RI 7 2657 3864
Montereale AQ 8 2581 6445
Crognaleto TE 13 1297 7742
Cittareale RI 14 482 8224
Barete AQ 14 737 8961
Accumoli RI 15 667 9628
Cagnano Amiterno AQ 15 1369 10997
Pizzoli AQ 16 4326 15323
Cortino TE 16 656 15979
Borbona RI 17 617 16596
Fano Adriano TE 18 296 16892
Posta RI 19 694 17586

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km N of L'Aquila (69753 inhabitants)
33 Km W of Teramo (54892 inhabitants)
55 Km E of Terni (111501 inhabitants)
66 Km SE of Foligno (57155 inhabitants)
68 Km W of Montesilvano (53738 inhabitants)
74 Km W of Chieti (51815 inhabitants)
74 Km W of Pescara (121014 inhabitants)
80 Km NE of Tivoli (56533 inhabitants)
81 Km NE of Guidonia Montecelio (88673 inhabitants)
96 Km SE of Perugia (166134 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Bulletin
Rev1000
ML 1.7 2021-10-01
09:33:29
42.5767 13.3203 12 2022-03-30
13:04:20
Bollettino Sismico Italiano INGV 98090171
Reviewed
Rev100
ML 1.7 2021-10-01
09:33:29
42.5795 13.2993 12 2021-10-01
09:42:45
Sala Sismica INGV-Roma 96096281
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-10-01 09:33:29 ± 0.07
Latitude 42.5767 ± 0.0036
Longitude 13.3203 ± 0.0049
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 98090171

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 449
Semi-minor axis of confidence ellipse (meter) 151
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 222
Circular confidence region, given by single value of horizontal uncertainty (meter) 450.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 81
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 29
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.05486
Epicentral distance of station farthest from the epicenter (degree) 0.59625
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 16
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 96096281
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-10-01 09:42:45

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 19
Type of magnitude ML
Reference to an origin 98090171
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-12-03 11:16:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MOMA.HHZ. 2021-10-01T09:33:49.61 0.6 undecidable manual S 293 66.1893 91 0.46 42
IV.CSP1.EHZ. 2021-10-01T09:33:47.22 0.6 undecidable manual S 351 57.8976 91 0.27 44
IV.MF5.EHZ. 2021-10-01T09:33:44.95 0.6 undecidable manual S 14 47.0196 92 0.91 36
IV.ARRO.EHZ. 2021-10-01T09:33:43.54 0.6 undecidable manual S 271 45.3213 92 -0.05 46
IV.MC2.EHZ. 2021-10-01T09:33:42.04 0.3 undecidable manual S 344 38.628 92 0.23 69
IV.MOMA.HHZ. 2021-10-01T09:33:41.28 0.6 undecidable manual P 293 66.1893 91 0.63 39
IV.GAVE.EHZ. 2021-10-01T09:33:41.16 0.6 undecidable manual S 290 37.0296 93 -0.23 45
IV.NRCA.HHZ. 2021-10-01T09:33:40.02 0.1 undecidable manual S 330 33.0447 93 -0.31 90
IV.CSP1.EHZ. 2021-10-01T09:33:39.40 0.1 undecidable manual P 351 57.8976 91 0.02 92
IV.MF5.EHZ. 2021-10-01T09:33:38.19 0.3 undecidable manual P 14 47.0196 92 0.5 64
IV.T0110.HHZ. 2021-10-01T09:33:38.77 0.3 undecidable manual P 136 53.6019 92 0.05 69
IV.LNSS.HHZ. 2021-10-01T09:33:37.50 0.6 undecidable manual S 277 23.0547 96 -0.16 47
IV.ARRO.EHZ. 2021-10-01T09:33:37.20 0.1 undecidable manual P 271 45.3213 92 -0.23 90
IV.FAGN.HHZ. 2021-10-01T09:33:37.26 0.6 undecidable manual P 148 40.7259 92 0.54 42
IV.GIGS.HHN. 2021-10-01T09:33:37.94 0.3 undecidable manual S 123 24.753 95 -0.17 71
IV.MTRA.EHZ. 2021-10-01T09:33:36.60 0.1 undecidable manual S 17 20.9679 98 -0.49 89
IV.MC2.EHZ. 2021-10-01T09:33:36.31 0.1 negative manual P 344 38.628 92 -0.1 93
IV.GAVE.EHZ. 2021-10-01T09:33:36.01 0.1 undecidable manual P 290 37.0296 93 -0.15 92
IV.NRCA.HHZ. 2021-10-01T09:33:35.36 0.1 negative manual P 330 33.0447 93 -0.19 92
IV.CAMP.HHE. 2021-10-01T09:33:34.05 0.1 undecidable manual S 122 8.5803 134 -0.03 100
IV.RM33.EHZ. 2021-10-01T09:33:34.53 0.6 undecidable manual S 229 11.4774 121 -0.16 49
IV.GIGS.HHN. 2021-10-01T09:33:34.10 0.1 undecidable manual P 123 24.753 95 -0.17 95
IV.LNSS.HHZ. 2021-10-01T09:33:33.98 0.1 positive manual P 277 23.0547 96 -0.03 97
IV.MTRA.EHZ. 2021-10-01T09:33:33.54 0.1 positive manual P 17 20.9679 98 -0.15 95
IV.SMA1.EHZ. 2021-10-01T09:33:33.72 0.1 undecidable manual S 12 6.0939 146 0.07 99
IV.TERO.HHZ. 2021-10-01T09:33:33.90 0.1 undecidable manual P 77 23.754 96 -0.22 94
IV.RM33.EHZ. 2021-10-01T09:33:32.44 0.1 positive manual P 229 11.4774 121 0.14 97
IV.CAMP.HHE. 2021-10-01T09:33:32.16 0.1 negative manual P 122 8.5803 134 0.22 96
IV.SMA1.EHZ. 2021-10-01T09:33:31.90 0.1 positive manual P 12 6.0939 146 0.2 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHN. ML:1.4 0.00035250000000000006 0.9 AML other m 2021-10-01T09:33:33.94
IV.SMA1.EHE. ML:1.9 0.001049 0.22 AML other m 2021-10-01T09:33:34.13
IV.RM33.EHN. ML:1.7 0.0004825 0.3 AML other m 2021-10-01T09:33:34.82
IV.RM33.EHE. ML:1.6 0.00042449999999999996 1.48 AML other m 2021-10-01T09:33:35.88
IV.MTRA.HNN. ML:2.0 0.0006205000000000001 0.24 AML other m 2021-10-01T09:33:36.75
IV.MTRA.EHN. ML:2.0 0.0006255 0.24 AML other m 2021-10-01T09:33:36.75
IV.MTRA.HNE. ML:2.1 0.0008805000000000001 1.2 AML other m 2021-10-01T09:33:37.11
IV.MTRA.EHE. ML:2.1 0.0008655 1.2 AML other m 2021-10-01T09:33:37.11
IV.TERO.HHN. ML:1.5 0.00017299999999999998 0.28 AML other m 2021-10-01T09:33:37.48
IV.LNSS.HHN. ML:1.6 0.00027249999999999996 0.32 AML other m 2021-10-01T09:33:37.72
IV.LNSS.HHE. ML:1.9 0.000526 0.46 AML other m 2021-10-01T09:33:37.75
IV.TERO.HHE. ML:1.5 0.000193 0.5 AML other m 2021-10-01T09:33:38.26
IV.NRCA.HHE. ML:1.7 0.0002315 0.18 AML other m 2021-10-01T09:33:40.19
IV.NRCA.HHN. ML:1.6 0.0001475 1 AML other m 2021-10-01T09:33:40.23
IV.GAVE.EHE. ML:1.7 0.000176 0.12 AML other m 2021-10-01T09:33:41.36
IV.GAVE.EHN. ML:1.9 0.0002875 0.18 AML other m 2021-10-01T09:33:41.54
IV.FAGN.HHE. ML:1.5 0.0000958 0.76 AML other m 2021-10-01T09:33:46.05
IV.MOMA.HHE. ML:1.6 0.00006415 0.18 AML other m 2021-10-01T09:33:50.31
IV.MOMA.HHN. ML:1.6 0.00007535 0.2 AML other m 2021-10-01T09:33:50.36
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download