Earthquake with magnitude of ML 1.8 on date 07-10-2021 and time 22:07:44 (Italy) in region 3 km SW Capitignano (AQ)

A magnitude ML 1.8 earthquake occured in region: 3 km SW Capitignano (AQ), on

  • 07-10-2021 20:07:44 (UTC)
  • 07-10-2021 22:07:44 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.5030, 13.2750 at 15 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
Capitignano AQ 3 665 665
Montereale AQ 3 2581 3246
Barete AQ 6 737 3983
Cagnano Amiterno AQ 6 1369 5352
Pizzoli AQ 8 4326 9678
Campotosto AQ 10 542 10220
Borbona RI 12 617 10837
Amatrice RI 14 2657 13494
Scoppito AQ 15 3727 17221
Posta RI 15 694 17915
Cittareale RI 16 482 18397
Crognaleto TE 18 1297 19694
Antrodoco RI 19 2588 22282
Micigliano RI 19 127 22409
L'Aquila AQ 20 69753 92162

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km NW of L'Aquila (69753 inhabitants)
39 Km W of Teramo (54892 inhabitants)
52 Km E of Terni (111501 inhabitants)
69 Km SE of Foligno (57155 inhabitants)
72 Km NE of Tivoli (56533 inhabitants)
72 Km NE of Guidonia Montecelio (88673 inhabitants)
72 Km W of Montesilvano (53738 inhabitants)
75 Km W of Chieti (51815 inhabitants)
77 Km W of Pescara (121014 inhabitants)
94 Km NE of Roma (2864731 inhabitants)
96 Km E of Viterbo (67173 inhabitants)
99 Km SE of Perugia (166134 inhabitants)
100 Km NE of Velletri (53303 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 1.8 2021-10-07
20:07:44
42.5028 13.2753 15 2022-03-30
13:04:12
Bollettino Sismico Italiano INGV 96762101
Reviewed
Rev100
ML 1.8 2021-10-07
20:07:44
42.5078 13.2773 15 2021-10-07
20:18:51
Sala Sismica INGV-Roma 96332041
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-10-07 20:07:44 ± 0.08
Latitude 42.5028 ± 0.0045
Longitude 13.2753 ± 0.0049
Depth (km) 15 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 96762101

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 490
Semi-minor axis of confidence ellipse (meter) 30
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 208
Circular confidence region, given by single value of horizontal uncertainty (meter) 490.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 71
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 31
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.41279
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 16
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 96762101
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-10-19 13:09:40

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 96332041
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-10-07 20:18:51
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FIR.HHZ. 2021-10-07T20:08:40.64 3.0 undecidable manual Sn 0.18 0
IV.MC2.EHZ. 2021-10-07T20:07:59.79 0.3 undecidable manual S 351 45.8208 96 0.8 57
IV.MMO1.EHN. 2021-10-07T20:07:58.52 0.3 undecidable manual S 5 44.2224 96 -0.02 73
IV.ARRO.EHZ. 2021-10-07T20:07:57.56 0.3 undecidable manual S 282 42.5241 97 -0.54 64
IV.GAVE.EHZ. 2021-10-07T20:07:56.73 0.3 undecidable manual S 304 37.5291 98 -0.06 73
IV.NRCA.HHZ. 2021-10-07T20:07:56.98 0.3 undecidable manual S 340 38.9277 98 -0.19 71
IV.FAGN.HHZ. 2021-10-07T20:07:56.90 0.3 undecidable manual S 136 36.4413 98 0.39 69
IV.MTRA.HNZ. 2021-10-07T20:07:54.33 0.3 undecidable manual S 19 29.8479 102 -0.43 68
IV.TERO.HHZ. 2021-10-07T20:07:54.49 0.3 undecidable manual S 64 29.9478 101 -0.3 70
IV.GIGS.HHZ. 2021-10-07T20:07:53.22 0.3 undecidable manual S 103 24.9528 105 -0.27 70
MN.AQU.HNN. 2021-10-07T20:07:52.42 0.3 undecidable manual S 147 19.6692 112 0.28 72
IV.LNSS.HHZ. 2021-10-07T20:07:52.80 0.1 undecidable manual S 300 22.1556 109 0.01 100
IV.ARRO.EHZ. 2021-10-07T20:07:52.21 0.1 undecidable manual P 282 42.5241 97 -0.03 96
IV.MMO1.EHN. 2021-10-07T20:07:52.41 0.3 undecidable manual P 5 44.2224 96 -0.09 71
IV.MC2.EHZ. 2021-10-07T20:07:52.88 0.3 undecidable manual P 351 45.8208 96 0.12 71
IV.FAGN.HHZ. 2021-10-07T20:07:51.99 0.3 undecidable manual P 136 36.4413 98 0.67 63
IV.GAVE.EHZ. 2021-10-07T20:07:51.46 0.1 undecidable manual P 304 37.5291 98 -0.03 97
IV.NRCA.HHZ. 2021-10-07T20:07:51.59 0.1 negative manual P 340 38.9277 98 -0.11 96
IV.SMA1.EHZ. 2021-10-07T20:07:51.24 0.3 undecidable manual S 19 14.9739 122 0.2 73
IV.MTRA.HNZ. 2021-10-07T20:07:50.18 0.1 undecidable manual P 19 29.8479 102 -0.14 97
IV.TERO.HHZ. 2021-10-07T20:07:50.22 0.1 undecidable manual P 64 29.9478 101 -0.11 97
IV.CAMP.HHZ. 2021-10-07T20:07:50.26 0.3 undecidable manual S 71 11.4774 132 -0.05 77
IV.T1299.HNZ. 2021-10-07T20:07:50.80 0.3 undecidable manual S 2 14.5743 123 -0.16 75
IV.RM33.EHZ. 2021-10-07T20:07:49.15 0.3 undecidable manual S 278 4.995 157 -0.14 76
IV.LNSS.HHZ. 2021-10-07T20:07:49.31 0.1 negative manual P 300 22.1556 109 0.14 98
IV.FIAM.HNN. 2021-10-07T20:07:49.99 0.6 undecidable manual P 207 29.1486 102 -0.21 47
IV.GIGS.HHZ. 2021-10-07T20:07:49.45 0.1 undecidable manual P 103 24.9528 105 -0.13 97
IV.T1299.HNZ. 2021-10-07T20:07:48.28 0.1 negative manual P 2 14.5743 123 0.17 98
IV.SMA1.EHZ. 2021-10-07T20:07:48.38 0.1 undecidable manual P 19 14.9739 122 0.22 97
MN.AQU.HNN. 2021-10-07T20:07:48.39 0.1 undecidable manual P 147 19.6692 112 -0.41 92
IV.RM33.EHZ. 2021-10-07T20:07:47.34 0.1 negative manual P 278 4.995 157 0.19 100
IV.CAMP.HHZ. 2021-10-07T20:07:47.91 0.1 positive manual P 71 11.4774 132 0.16 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.EHN. ML:1.4 0.00027777030000000004 0.1408 AML other m 2021-10-07T20:07:49.43
IV.RM33.HNE. ML:1.8 0.000656 0.6 AML other m 2021-10-07T20:07:49.82
IV.RM33.EHE. ML:1.6 0.000534682 0.1152 AML other m 2021-10-07T20:07:49.82
IV.RM33.HNN. ML:1.6 0.00046550000000000004 1.12 AML other m 2021-10-07T20:07:49.98
IV.SMA1.EHN. ML:2.0 0.0007700000000000001 0.26 AML other m 2021-10-07T20:07:51.71
IV.SMA1.EHE. ML:2.3 0.00173 0.22 AML other m 2021-10-07T20:07:51.61
IV.LNSS.HNN. ML:2.0 0.0006855 0.4 AML other m 2021-10-07T20:07:53.28
IV.LNSS.HHE. ML:2.1 0.000814 0.14 AML other m 2021-10-07T20:07:53.23
IV.LNSS.HNE. ML:2.1 0.000764 1.4 AML other m 2021-10-07T20:07:53.87
IV.LNSS.HHN. ML:2.0 0.0006490000000000001 0.84 AML other m 2021-10-07T20:07:53.28
IV.NRCA.HHN. ML:1.8 0.00019700000000000002 0.16 AML other m 2021-10-07T20:07:57.33
IV.GAVE.EHE. ML:1.8 0.000199 0.88 AML other m 2021-10-07T20:07:57.52
IV.NRCA.HHE. ML:1.8 0.00022999999999999998 0.58 AML other m 2021-10-07T20:07:57.25
IV.GAVE.EHN. ML:1.8 0.00021499999999999997 0.62 AML other m 2021-10-07T20:07:57.32
IV.ARRO.EHE. ML:1.4 0.00007400000000000001 0.44 AML other m 2021-10-07T20:07:58.27
IV.ARRO.EHN. ML:1.5 0.0000932 0.42 AML other m 2021-10-07T20:07:58.32
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