Earthquake with magnitude of ML 1.2 on date 13-08-2021 and time 14:35:26 (Italy) in region 1 km E Campotosto (AQ)

A magnitude ML 1.2 earthquake occured in region: 1 km E Campotosto (AQ), on

  • 13-08-2021 12:35:26 (UTC)
  • 13-08-2021 14:35:26 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.5620, 13.3880 at 16 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 1 542 542
Crognaleto TE 8 1297 1839
Capitignano AQ 8 665 2504
Amatrice RI 11 2657 5161
Cortino TE 12 656 5817
Montereale AQ 12 2581 8398
Fano Adriano TE 12 296 8694
Pietracamela TE 14 271 8965
Barete AQ 15 737 9702
Pizzoli AQ 16 4326 14028
Cagnano Amiterno AQ 18 1369 15397
Rocca Santa Maria TE 18 537 15934
Accumoli RI 19 667 16601
Cittareale RI 20 482 17083

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km N of L'Aquila (69753 inhabitants)
28 Km W of Teramo (54892 inhabitants)
61 Km E of Terni (111501 inhabitants)
63 Km W of Montesilvano (53738 inhabitants)
68 Km W of Chieti (51815 inhabitants)
69 Km W of Pescara (121014 inhabitants)
71 Km SE of Foligno (57155 inhabitants)
82 Km NE of Tivoli (56533 inhabitants)
83 Km NE of Guidonia Montecelio (88673 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 1.2 2021-08-13
12:35:26
42.5622 13.3877 16 2021-12-29
11:12:52
Bollettino Sismico Italiano INGV 97516491
Reviewed
Rev100
ML 1.3 2021-08-13
12:35:26
42.5663 13.3883 15 2021-08-13
12:45:07
Sala Sismica INGV-Roma 94080311
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-08-13 12:35:26 ± 0.09
Latitude 42.5622 ± 0.0036
Longitude 13.3877 ± 0.0049
Depth (km) 16 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 97516491

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 490
Semi-minor axis of confidence ellipse (meter) 102
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 46
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) 118
Number of associated phases, regardless of their use for origin computation 46
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.54589
Number of stations at which the event was observed 35
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 97516491
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-11-17 11:15:36

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 94080311
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-08-13 12:45:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
AC.VLO.HHZ. 2021-08-13T12:37:14.93 3.0 undecidable manual Sn -3.64 0
IV.TREG.EHZ. 2021-08-13T12:37:14.72 3.0 undecidable manual Sg 22.209999 0
IV.PCN.EHZ. 2021-08-13T12:37:04.11 3.0 undecidable manual Sn 1.38 0
IV.GIZZ.HHZ. 2021-08-13T12:36:57.61 3.0 undecidable manual Sn -7.61 0
IV.ZEN8.EHZ. 2021-08-13T12:36:55.94 3.0 undecidable manual Sn -3.46 0
GU.MGRO.HHZ. 2021-08-13T12:36:42.18 3.0 undecidable manual Pg 12.86 0
IV.MTGR.HHZ. 2021-08-13T12:36:40.13 3.0 undecidable manual Pg 9.05 0
IV.SARZ.HHZ. 2021-08-13T12:36:40.26 3.0 positive manual Pg 17.18 0
IV.MTTG.HHZ. 2021-08-13T12:36:38.15 3.0 positive manual Pg 8.17 0
IV.MCPD.HHZ. 2021-08-13T12:36:38.17 3.0 positive manual Pg 11.5 0
ST.CARE.HNZ. 2021-08-13T12:36:33.95 3.0 undecidable manual Pg 9.62 0
CH.FUORN.HHZ. 2021-08-13T12:36:31.08 3.0 negative manual Pn 2.18 0
MN.CLTB.HHZ. 2021-08-13T12:36:31.87 3.0 negative manual Pn -2.62 0
IV.BLLA.EHZ. 2021-08-13T12:36:25.17 3.0 undecidable manual Sg 13.14 0
IV.GIZZ.HHZ. 2021-08-13T12:36:22.77 3.0 negative manual Pg 3.9 0
IX.SCL3.EHZ.02 2021-08-13T12:36:21.40 3.0 undecidable manual Sg -0.23 0
IV.TDS.HHZ. 2021-08-13T12:36:17.13 3.0 negative manual Pg 6.16 0
CR.ZAG.BHZ. 2021-08-13T12:36:07.28 3.0 undecidable manual Pn -2.21 0
IV.MURB.HHZ. 2021-08-13T12:36:05.52 3.0 undecidable manual Sg 7.25 0
MN.TRI.HHZ. 2021-08-13T12:36:04.13 3.0 negative manual Pn -0.25 0
IV.ROM9.HNZ. 2021-08-13T12:36:02.97 3.0 undecidable manual Sg -0.14 0
IV.PE3.EHZ. 2021-08-13T12:36:02.92 3.0 undecidable manual Sn -1.26 0
IV.BDI.HHZ. 2021-08-13T12:35:58.37 3.0 negative manual Pn -4.95 0
IV.SFI.EHZ. 2021-08-13T12:35:53.13 3.0 undecidable manual Pn 1.65 0
IV.CSP1.EHZ. 2021-08-13T12:35:45.42 0.3 undecidable manual S 346 60.5949 96 0.51 62
IV.SSFR.HNZ. 2021-08-13T12:35:44.47 3.0 negative manual Pg 4.31 0
IV.MC2.EHZ. 2021-08-13T12:35:40.33 0.6 undecidable manual S 337 42.0246 100 0.34 45
IV.NRCA.HHZ. 2021-08-13T12:35:38.64 0.3 undecidable manual S 324 37.4292 101 -0.16 70
IV.ATCC.EHZ. 2021-08-13T12:35:37.28 3.0 negative manual Pn -2.49 0
IV.CSP1.EHZ. 2021-08-13T12:35:36.83 0.1 undecidable manual P 346 60.5949 96 -0.18 89
IV.LNSS.HNZ. 2021-08-13T12:35:36.62 0.6 undecidable manual S 279 28.749 107 0.09 48
IV.MTRA.EHZ. 2021-08-13T12:35:34.54 0.3 undecidable manual S 2 21.5673 115 -0.21 71
IV.MC2.EHZ. 2021-08-13T12:35:34.20 0.3 undecidable manual P 337 42.0246 100 0.03 71
IV.GIGS.HJZ. 2021-08-13T12:35:34.21 0.6 undecidable manual S 129 19.3695 118 -0.01 50
IV.TERO.HHZ. 2021-08-13T12:35:34.11 0.3 undecidable manual S 69 18.87 119 0 75
IV.RM33.EHZ. 2021-08-13T12:35:33.33 0.3 undecidable manual S 247 15.3735 127 0.02 75
IV.NRCA.HHZ. 2021-08-13T12:35:33.22 0.1 undecidable manual P 324 37.4292 101 -0.26 92
IV.T1299.HNN. 2021-08-13T12:35:32.77 0.6 undecidable manual S 313 11.7771 136 0.18 49
IV.LNSS.HNZ. 2021-08-13T12:35:32.12 0.1 undecidable manual P 279 28.749 107 -0.05 97
IV.SMA1.EHZ. 2021-08-13T12:35:31.94 0.3 undecidable manual S 331 8.6802 146 -0.14 74
IV.GIGS.HJZ. 2021-08-13T12:35:30.84 0.1 undecidable manual P 129 19.3695 118 0 100
IV.TERO.HHZ. 2021-08-13T12:35:30.81 0.1 undecidable manual P 69 18.87 119 0.04 99
IV.MTRA.EHZ. 2021-08-13T12:35:30.98 0.1 undecidable manual P 2 21.5673 115 -0.16 96
IV.T1299.HNN. 2021-08-13T12:35:30.09 0.1 undecidable manual P 313 11.7771 136 0.19 97
IV.RM33.EHZ. 2021-08-13T12:35:30.35 0.1 undecidable manual P 247 15.3735 127 0.04 100
IV.SMA1.EHZ. 2021-08-13T12:35:29.68 0.1 undecidable manual P 331 8.6802 146 0.08 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNN. ML:1.6 0.0001446178 0.8384 AML other m 2021-08-13T12:35:10.51
IV.SMA1.EHN. ML:0.6 0.00003603443 0.1024 AML other m 2021-08-13T12:35:32.29
IV.SMA1.EHE. ML:0.8 0.0000546 0.2 AML other m 2021-08-13T12:35:32.62
IV.RM33.EHN. ML:0.8 0.00004898996 0.1024 AML other m 2021-08-13T12:35:33.49
IV.RM33.HNE. ML:1.3 0.0001522338 0.2752 AML other m 2021-08-13T12:35:33.65
IV.RM33.EHE. ML:1.1 0.00009065669500000001 0.1024 AML other m 2021-08-13T12:35:33.52
IV.TERO.HHN. ML:1.2 0.00009488213 0.0576 AML other m 2021-08-13T12:35:34.14
IV.MTRA.HNE. ML:1.3 0.00012528734 0.1152 AML other m 2021-08-13T12:35:34.64
IV.MTRA.EHE. ML:1.3 0.0001315 0.12 AML other m 2021-08-13T12:35:34.65
IV.MTRA.EHN. ML:1.0 0.000054014825000000005 1.8208 AML other m 2021-08-13T12:35:34.92
IV.NRCA.HHN. ML:1.3 0.00007594999999999999 0.08 AML other m 2021-08-13T12:35:38.89
IV.NRCA.HHE. ML:1.5 0.000105 0.14 AML other m 2021-08-13T12:35:39.15
IV.NRCA.HNE. ML:1.4 0.000093257435 0.1472 AML other m 2021-08-13T12:35:39.01
IV.TERO.HHE. ML:1.7 0.0003060575 0.48 AML other m 2021-08-13T12:35:43.74
IV.MTRA.HNN. ML:1.3 0.00013242655 1.0304 AML other m 2021-08-13T12:35:44.53
IV.TERO.HNE. ML:1.4 0.00014455375000000002 0.9888 AML other m 2021-08-13T12:35:44.58
IV.RM33.HNN. ML:1.3 0.0001504828 1.1104 AML other m 2021-08-13T12:35:45.30
IV.TERO.HNN. ML:1.3 0.00012443846 0.9408 AML other m 2021-08-13T12:35:47.55
IV.CSP1.EHN. ML:1.2 0.000030909411 0.3392 AML other m 2021-08-13T12:35:47.53
IV.CSP1.EHE. ML:1.0 0.000021558835 1.1168 AML other m 2021-08-13T12:36:05.31
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