Earthquake with magnitude of ML 1.1 on date 25-10-2020 and time 12:02:26 (Italy) in region 7 km E L'Aquila (AQ)

A magnitude ML 1.1 earthquake occured in region: 7 km E L'Aquila (AQ), on

  • 25-10-2020 11:02:26 (UTC)
  • 25-10-2020 12:02:26 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.36, 13.48 at 18 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
L'Aquila AQ 7 69753 69753
Poggio Picenze AQ 7 1136 70889
Fossa AQ 8 721 71610
Ocre AQ 9 1167 72777
Sant'Eusanio Forconese AQ 9 394 73171
Barisciano AQ 10 1828 74999
San Demetrio ne' Vestini AQ 11 1854 76853
Villa Sant'Angelo AQ 11 424 77277
Rocca di Cambio AQ 14 533 77810
Lucoli AQ 14 1011 78821
Santo Stefano di Sessanio AQ 14 111 78932
Prata d'Ansidonia AQ 14 496 79428
Fagnano Alto AQ 14 418 79846
Tornimparte AQ 17 3187 83033
San Pio delle Camere AQ 17 661 83694
Pizzoli AQ 17 4326 88020
Rocca di Mezzo AQ 17 1526 89546
Fontecchio AQ 18 369 89915
Scoppito AQ 18 3727 93642
Calascio AQ 18 137 93779
Castelvecchio Calvisio AQ 18 153 93932
Carapelle Calvisio AQ 18 87 94019
Barete AQ 19 737 94756
Pietracamela TE 19 271 95027

Municipalities with at least 50000 inhabitants

An earthquake occurred to
7 Km E of L'Aquila (69753 inhabitants)
38 Km SW of Teramo (54892 inhabitants)
57 Km W of Chieti (51815 inhabitants)
58 Km W of Montesilvano (53738 inhabitants)
62 Km W of Pescara (121014 inhabitants)
71 Km NE of Tivoli (56533 inhabitants)
72 Km E of Terni (111501 inhabitants)
74 Km NE of Guidonia Montecelio (88673 inhabitants)
92 Km SE of Foligno (57155 inhabitants)
95 Km NE of Velletri (53303 inhabitants)
97 Km NE of Roma (2864731 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 1.1 2020-10-25
11:02:26
42.36 13.48 18 2021-02-26
14:56:20
Bollettino Sismico Italiano INGV 87454071
Reviewed
Rev100
ML 1.1 2020-10-25
11:02:25
42.36 13.48 20 2020-10-25
11:09:07
Sala Sismica INGV-Roma 84115891
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-10-25 11:02:26 ± 0.1
Latitude 42.36 ± 0.00
Longitude 13.48 ± 0.01
Depth (km) 18 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 87454071

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 570
Semi-minor axis of confidence ellipse (meter) 135
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 66
Circular confidence region, given by single value of horizontal uncertainty (meter) 570
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 120
Number of associated phases, regardless of their use for origin computation 39
Number of defining phases 19
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
Epicentral distance of station farthest from the epicenter (degree) 0.4029
Number of stations at which the event was observed 29
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 87454071
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-02-24 14:17:21

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 84115891
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-10-25 11:09:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
GU.CANO.HHZ. 2020-10-25T11:04:17.93 3.0 undecidable manual Sn -1.61 0
IV.MAGA.HHZ. 2020-10-25T11:04:11.56 3.0 undecidable manual Sn -1.52 0
IV.STAL.HHZ. 2020-10-25T11:04:03.27 3.0 undecidable manual Sn -8.96 0
IV.SPS2.HHZ. 2020-10-25T11:04:01.81 3.0 undecidable manual Sn -8.57 0
IV.CRAC.EHZ. 2020-10-25T11:03:55.43 3.0 undecidable manual Sg 4.08 0
IV.VENL.HNZ. 2020-10-25T11:03:48.42 3.0 undecidable manual Sn -4.66 0
IV.ACATE.EHZ. 2020-10-25T11:03:44.13 3.0 positive manual Pn -2.94 0
OX.CIMO.HHZ. 2020-10-25T11:03:40.50 3.0 undecidable manual Pg 13.48 0
XK.SELL.HHZ. 2020-10-25T11:03:38.73 3.0 negative manual Pg 8.62 0
GU.CANO.HHZ. 2020-10-25T11:03:35.02 3.0 undecidable manual Pn 4.99 0
IV.IMOL.HNZ. 2020-10-25T11:03:35.34 3.0 undecidable manual Sg 1.81 0
IV.PZUN.HHZ. 2020-10-25T11:03:31.59 3.0 undecidable manual Sn -6.84 0
IX.STN3.HHZ.02 2020-10-25T11:03:30.81 3.0 undecidable manual Sn -7.71 0
CR.STON.BHZ. 2020-10-25T11:03:27.78 3.0 negative manual Pg 11.4 0
IV.LADO.EHZ. 2020-10-25T11:03:25.75 3.0 positive manual Pn -3.34 0
IV.SERS.HHZ. 2020-10-25T11:03:24.50 3.0 negative manual Pn -5.39 0
IV.PESA.HHZ. 2020-10-25T11:03:11.31 3.0 undecidable manual Sn -4.87 0
IV.ARVD.HHZ. 2020-10-25T11:03:07.22 3.0 undecidable manual Sg 1.94 0
IV.CRE.HHZ. 2020-10-25T11:02:56.99 3.0 negative manual Pg 2.19 0
IV.RIBO.EHZ.01 2020-10-25T11:02:56.02 3.0 negative manual Pn -1.62 0
IV.T1299.HNN. 2020-10-25T11:02:38.05 0.6 undecidable manual S 332 0.3076 107 0.12 47
IV.SMA1.EHZ. 2020-10-25T11:02:37.13 0.6 undecidable manual S 339 0.2878 108 -0.24 46
IV.TERO.HHZ. 2020-10-25T11:02:37.02 0.3 undecidable manual S 20 0.2761 109 -0.02 73
IV.RM33.EHZ. 2020-10-25T11:02:36.73 0.3 undecidable manual S 307 0.2437 113 0.59 64
IV.T0110.HHZ. 2020-10-25T11:02:36.73 0.6 undecidable manual S 121 0.2572 111 0.22 47
IV.LNSS.HNZ. 2020-10-25T11:02:34.20 0.3 undecidable manual P 307 0.4029 102 -0.3 68
IV.CAMP.HHE. 2020-10-25T11:02:34.70 0.6 undecidable manual S 344 0.1808 122 0.22 48
IV.FAGN.HHZ. 2020-10-25T11:02:33.04 0.3 undecidable manual S 141 0.1241 135 -0.13 73
IV.GIGS.HHN. 2020-10-25T11:02:33.00 0.6 undecidable manual S 37 0.1142 138 0.03 50
IV.T0110.HHZ. 2020-10-25T11:02:32.13 0.1 undecidable manual P 121 0.2572 111 0.02 98
IV.TERO.HHZ. 2020-10-25T11:02:32.41 0.3 undecidable manual P 20 0.2761 109 0 73
IV.T1299.HNN. 2020-10-25T11:02:32.86 0.1 undecidable manual P 332 0.3076 107 -0.07 96
IV.SMA1.EHZ. 2020-10-25T11:02:32.43 0.1 undecidable manual P 339 0.2878 108 -0.17 94
IV.CAMP.HHE. 2020-10-25T11:02:31.00 0.3 undecidable manual P 344 0.1808 122 0.07 74
IV.RM33.EHZ. 2020-10-25T11:02:31.73 0.1 undecidable manual P 307 0.2437 113 -0.16 95
MN.AQU.HNN. 2020-10-25T11:02:31.93 0.6 undecidable manual S 261 0.0549 158 -0.09 49
IV.FAGN.HHZ. 2020-10-25T11:02:30.22 0.1 undecidable manual P 141 0.1241 135 0.04 100
IV.GIGS.HHN. 2020-10-25T11:02:30.22 0.3 undecidable manual P 37 0.1142 138 0.16 73
MN.AQU.HNN. 2020-10-25T11:02:29.52 0.3 undecidable manual P 261 0.0549 158 0 76
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.HNN. ML:1.5 0.00015621565 0.688 AML other m 2020-10-25T11:02:31.72
IV.FAGN.HHN. ML:1.4 0.000185345 0.2816 AML other m 2020-10-25T11:02:33.89
IV.FAGN.HHE. ML:1.5 0.00021236485 0.2816 AML other m 2020-10-25T11:02:34.19
IV.TERO.HNE. ML:1.4 0.000109237205 0.7488 AML other m 2020-10-25T11:02:35.88
IV.TERO.HHN. ML:0.8 2.7168275E-5 0.0832 AML other m 2020-10-25T11:02:37.19
IV.TERO.HHE. ML:0.9 2.801662E-5 0.1408 AML other m 2020-10-25T11:02:37.22
IV.RM33.EHN. ML:0.8 2.8233065E-5 0.2048 AML other m 2020-10-25T11:02:37.49
IV.RM33.EHE. ML:0.8 2.8901105E-5 0.32 AML other m 2020-10-25T11:02:38.32
IV.T0110.HHN. ML:1.1 5.6819495E-5 0.3584 AML other m 2020-10-25T11:02:38.68
IV.TERO.HNN. ML:1.6 0.00017186812 0.7616 AML other m 2020-10-25T11:02:41.55
IV.SMA1.EHN. ML:0.8 2.29240205E-5 0.4608 AML other m 2020-10-25T11:02:41.39
IV.RM33.HNE. ML:1.4 0.000109503915 0.64 AML other m 2020-10-25T11:02:41.09
IV.T0110.HHE. ML:1 4.5692525E-5 0.384 AML other m 2020-10-25T11:02:41.65
IV.SMA1.EHE. ML:0.6 1.6664902E-5 0.3968 AML other m 2020-10-25T11:02:42.13
IV.CRE.HHE. ML:1.9 2.2643172E-5 0.064 AML other m 2020-10-25T11:02:57.79
IV.CRE.HHN. ML:2.1 3.9405025E-5 0.0768 AML other m 2020-10-25T11:02:57.84
IV.RIBO.EHE.01 ML:2.3 4.919162E-5 0.4384 AML other m 2020-10-25T11:03:43.23
IV.SERS.HHN. ML:2.6 1.4663915E-5 1.0784 AML other m 2020-10-25T11:03:48.94
GU.CANO.HHN. ML:3.6 0.00014143093 0.5632 AML other m 2020-10-25T11:03:55.10
IV.LADO.EHN. ML:2.8 2.3494225E-5 0.544 AML other m 2020-10-25T11:04:04.78
IV.SERS.HNN. ML:3.2 6.2978695E-5 0.88 AML other m 2020-10-25T11:04:07.48
IV.SERS.HHE. ML:2.8 2.3553495E-5 0.08 AML other m 2020-10-25T11:04:33.94
IV.LADO.EHE. ML:3.1 4.882943E-5 1.0592 AML other m 2020-10-25T11:04:38.26
IV.SERS.HNE. ML:3.4 0.000104093925 0.6816 AML other m 2020-10-25T11:04:43.00
GU.CANO.HHE. ML:3.8 0.00023355755 0.7584 AML other m 2020-10-25T11:04:49.63
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