Earthquake with magnitude of ML 1.8 on date 26-03-2020 and time 18:46:57 (Italy) in region 2 km SW Cagnano Amiterno (AQ)

A magnitude ML 1.8 earthquake occured in region: 2 km SW Cagnano Amiterno (AQ), on

  • 26-03-2020 17:46:57 (UTC)
  • 26-03-2020 18:46:57 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.45, 13.21 at 11 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
Cagnano Amiterno AQ 2 1369 1369
Barete AQ 6 737 2106
Pizzoli AQ 7 4326 6432
Montereale AQ 9 2581 9013
Borbona RI 9 617 9630
Scoppito AQ 10 3727 13357
Capitignano AQ 11 665 14022
Antrodoco RI 11 2588 16610
Posta RI 12 694 17304
Micigliano RI 13 127 17431
Borgo Velino RI 13 972 18403
Castel Sant'Angelo RI 16 1308 19711
Campotosto AQ 18 542 20253
L'Aquila AQ 19 69753 90006
Cittareale RI 19 482 90488
Tornimparte AQ 19 3187 93675

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km NW of L'Aquila (69753 inhabitants)
47 Km SW of Teramo (54892 inhabitants)
48 Km E of Terni (111501 inhabitants)
64 Km NE of Tivoli (56533 inhabitants)
64 Km NE of Guidonia Montecelio (88673 inhabitants)
70 Km SE of Foligno (57155 inhabitants)
78 Km W of Montesilvano (53738 inhabitants)
80 Km W of Chieti (51815 inhabitants)
83 Km W of Pescara (121014 inhabitants)
86 Km NE of Roma (2864731 inhabitants)
91 Km E of Viterbo (67173 inhabitants)
92 Km NE of Velletri (53303 inhabitants)
99 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 1.8 2020-03-26
17:46:57
42.45 13.21 11 2020-07-18
21:08:31
Bollettino Sismico Italiano INGV 78033761
Reviewed
Rev100
ML 1.7 2020-03-26
17:46:57
42.45 13.21 12 2020-03-26
17:54:47
Sala Sismica INGV-Roma 77599151
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-03-26 17:46:57 ± 0.04
Latitude 42.45 ± 0.00
Longitude 13.21 ± 0.00
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 78033761

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 259
Semi-minor axis of confidence ellipse (meter) 51
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 70
Circular confidence region, given by single value of horizontal uncertainty (meter) 260
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 77
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 31
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.05936
Epicentral distance of station farthest from the epicenter (degree) 0.48473
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 78033761
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-04-09 07:00:55

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 17
Type of magnitude ML
Reference to an origin 77599151
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-03-26 17:54:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.CESX.HHZ. 2020-03-26T17:47:14.65 0.6 undecidable manual S 289 0.4847 50 0.44 43
IV.MMO1.EHZ. 2020-03-26T17:47:13.53 0.6 undecidable manual S 11 0.4569 50 0.13 47
IV.NRCA.HHZ. 2020-03-26T17:47:11.34 0.3 undecidable manual S 350 0.3894 50 -0.05 71
IV.MTRA.EHZ. 2020-03-26T17:47:09.65 0.3 undecidable manual S 24 0.3363 50 -0.17 70
IV.ARRO.EHZ. 2020-03-26T17:47:09.97 0.6 undecidable manual S 292 0.3507 50 -0.28 46
IV.TERO.HHZ. 2020-03-26T17:47:09.49 0.6 undecidable manual S 59 0.3381 50 -0.4 45
IV.CESX.HHZ. 2020-03-26T17:47:07.11 0.3 undecidable manual P 289 0.4847 50 0 71
IV.T0110.HHZ. 2020-03-26T17:47:07.26 0.6 undecidable manual P 118 0.4739 50 0.34 44
IV.GIGS.HHZ. 2020-03-26T17:47:07.81 0.6 undecidable manual S 89 0.2689 50 -0.01 49
IV.MMO1.EHZ. 2020-03-26T17:47:06.56 0.3 undecidable manual P 11 0.4569 50 -0.08 70
IV.SMA1.EHZ. 2020-03-26T17:47:06.12 0.3 undecidable manual S 27 0.2032 50 0.25 72
IV.T1299.HNN. 2020-03-26T17:47:05.37 0.3 undecidable manual S 16 0.1916 50 -0.17 72
IV.FIAM.HHZ. 2020-03-26T17:47:05.41 0.3 undecidable manual S 200 0.1943 50 -0.2 72
IV.NRCA.HHZ. 2020-03-26T17:47:05.42 0.1 undecidable manual P 350 0.3894 50 -0.06 95
IT.MMP1.HGE. 2020-03-26T17:47:05.67 0.6 undecidable manual P 240 0.3948 50 0.1 47
IV.LNSS.HHZ. 2020-03-26T17:47:05.51 0.3 undecidable manual S 321 0.197 50 -0.17 72
IV.TERO.HHZ. 2020-03-26T17:47:04.38 0.1 undecidable manual P 59 0.3381 50 -0.23 92
IV.MTRA.EHZ. 2020-03-26T17:47:04.47 0.3 undecidable manual P 24 0.3363 50 -0.1 71
MN.AQU.HNN. 2020-03-26T17:47:04.76 0.6 undecidable manual S 123 0.1736 50 -0.25 48
IV.ARRO.EHZ. 2020-03-26T17:47:04.71 0.1 undecidable manual P 292 0.3507 50 -0.11 95
IV.FAGN.HHZ. 2020-03-26T17:47:04.92 0.6 undecidable manual P 123 0.3327 50 0.41 45
IV.CAMP.HHE. 2020-03-26T17:47:04.88 0.3 undecidable manual S 60 0.1709 50 -0.04 74
IV.GIGS.HHZ. 2020-03-26T17:47:03.31 0.3 undecidable manual P 89 0.2689 50 -0.1 72
IV.LNSS.HHZ. 2020-03-26T17:47:02.20 0.1 undecidable manual P 321 0.197 50 0.02 100
IV.FIAM.HHZ. 2020-03-26T17:47:02.12 0.1 positive manual P 200 0.1943 50 -0.02 100
IV.T1299.HNN. 2020-03-26T17:47:02.24 0.1 undecidable manual P 16 0.1916 50 0.14 98
IV.SMA1.EHZ. 2020-03-26T17:47:02.52 0.1 positive manual P 27 0.2032 50 0.23 96
IV.RM33.EHZ. 2020-03-26T17:47:01.90 0.3 undecidable manual S 4 0.0594 149 0.04 77
MN.AQU.HNN. 2020-03-26T17:47:01.82 0.3 undecidable manual P 123 0.1736 50 0.03 75
IV.CAMP.HHE. 2020-03-26T17:47:01.83 0.1 undecidable manual P 60 0.1709 50 0.09 99
IV.RM33.EHZ. 2020-03-26T17:47:00.23 0.1 negative manual P 4 0.0594 149 0.25 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.EHE. ML:2.1 0.00167 0.22 AML other m 2020-03-26T17:47:02.28
IV.RM33.HNN. ML:2.1 0.0017 1 AML other m 2020-03-26T17:47:02.98
IV.RM33.EHN. ML:2.1 0.00171 1 AML other m 2020-03-26T17:47:02.98
IV.FIAM.HHN. ML:1.3 0.000129 0.38 AML other m 2020-03-26T17:47:05.56
IV.FIAM.HHE. ML:1.3 0.0001345 0.16 AML other m 2020-03-26T17:47:05.60
IV.LNSS.HHN. ML:1.9 0.000503 1.56 AML other m 2020-03-26T17:47:05.16
IV.SMA1.EHN. ML:2 0.000628 0.26 AML other m 2020-03-26T17:47:06.49
IV.LNSS.HHE. ML:1.9 0.0005395 0.98 AML other m 2020-03-26T17:47:06.01
IV.SMA1.EHE. ML:2 0.0006085 0.52 AML other m 2020-03-26T17:47:06.51
IV.GIGS.HHN. ML:1.2 8.221874E-5 0.2976 AML other m 2020-03-26T17:47:08.33
IV.GIGS.HHE. ML:1.2 7.1752805E-5 0.5632 AML other m 2020-03-26T17:47:08.08
IV.MTRA.HNN. ML:1.8 0.0002373439 1.0016 AML other m 2020-03-26T17:47:09.48
IV.MTRA.EHN. ML:1.8 0.0002084935 1.0016 AML other m 2020-03-26T17:47:09.48
IV.MTRA.HNE. ML:1.8 0.00022527725 0.7712 AML other m 2020-03-26T17:47:10.48
IV.MTRA.EHE. ML:1.8 0.00025308555 1.1808 AML other m 2020-03-26T17:47:11.60
IV.TERO.HHE. ML:1.5 0.0001146871 0.6976 AML other m 2020-03-26T17:47:11.88
IV.NRCA.HHE. ML:1.8 0.0002075 0.44 AML other m 2020-03-26T17:47:11.65
IV.NRCA.HHN. ML:1.8 0.000193 1.88 AML other m 2020-03-26T17:47:12.96
IV.FAGN.HHE. ML:1.9 0.0003125 0.7 AML other m 2020-03-26T17:47:13.35
IV.FAGN.HHN. ML:0 0.0002125 0.38 AML other m 2020-03-26T17:47:13.35
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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