Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 26-04-2020 and time 02:37:54 (Italy) in region 3 km N Campotosto (AQ)

A magnitude ML 1.4 earthquake occured in region: 3 km N Campotosto (AQ), on

  • 26-04-2020 00:37:54 (UTC)
  • 26-04-2020 02:37:54 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.5860, 13.3730 at 12 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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.

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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 3 542 542
Amatrice RI 8 2657 3199
Capitignano AQ 9 665 3864
Crognaleto TE 10 1297 5161
Cortino TE 12 656 5817
Montereale AQ 12 2581 8398
Fano Adriano TE 14 296 8694
Accumoli RI 16 667 9361
Pietracamela TE 16 271 9632
Barete AQ 17 737 10369
Rocca Santa Maria TE 17 537 10906
Cittareale RI 18 482 11388
Pizzoli AQ 18 4326 15714
Cagnano Amiterno AQ 19 1369 17083
Valle Castellana TE 20 977 18060

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km N of L'Aquila (69753 inhabitants)
28 Km W of Teramo (54892 inhabitants)
59 Km E of Terni (111501 inhabitants)
64 Km W of Montesilvano (53738 inhabitants)
68 Km SE of Foligno (57155 inhabitants)
70 Km W of Chieti (51815 inhabitants)
70 Km W of Pescara (121014 inhabitants)
84 Km NE of Tivoli (56533 inhabitants)
84 Km NE of Guidonia Montecelio (88673 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
Reviewed
Rev100 		ML 1.4 2020-04-26
00:37:54		 42.5858 13.3728 12 2020-04-26
00:44:31		 Sala Sismica INGV-Roma 78587261
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-04-26 00:37:54 ± 0.08
Latitude 42.5858 ± 0.0063
Longitude 13.3728 ± 0.0061
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 78587261

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 592
Semi-minor axis of confidence ellipse (meter) 465
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 19
Circular confidence region, given by single value of horizontal uncertainty (meter) 590.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 85
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.46405
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 12
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 78587261
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-04-26 00:44:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ROSPO.HHZ. 2020-04-26T00:38:30.93 3.0 undecidable manual S -2.61 0
IV.FRON.EHZ. 2020-04-26T00:38:29.57 3.0 undecidable manual S -0.04 0
IV.T0110.HHZ. 2020-04-26T00:38:11.27 0.6 undecidable manual S 140 51.5151 91 0.45 44
IV.ARRO.EHZ. 2020-04-26T00:38:09.85 0.3 undecidable manual S 269 49.617 91 -0.45 66
IV.VCEL.EHZ. 2020-04-26T00:38:09.43 0.6 undecidable manual S 119 43.7229 91 0.69 42
IV.FAGN.. 2020-04-26T00:38:09.23 3.0 undecidable manual S 0
IV.MMO1.EHZ. 2020-04-26T00:38:06.44 0.6 undecidable manual S 354 34.9428 92 0.04 48
IV.NRCA.HHZ. 2020-04-26T00:38:06.09 0.6 undecidable manual S 323 34.6431 92 -0.22 47
IV.FAGN.HHZ. 2020-04-26T00:38:05.55 3.0 undecidable manual P 0
IV.T0110.HHZ. 2020-04-26T00:38:04.50 1.0 undecidable manual P 140 51.5151 91 0.53 21
IV.LNSS.HHZ. 2020-04-26T00:38:04.36 0.6 undecidable manual S 274 27.2505 93 0.03 49
IV.MF5.EHZ. 2020-04-26T00:38:03.44 1.0 undecidable manual P 9 45.1215 91 0.46 22
IV.ARRO.EHZ. 2020-04-26T00:38:03.49 0.6 negative manual P 269 49.617 91 -0.18 46
IV.VCEL.EHZ. 2020-04-26T00:38:03.11 0.6 positive manual P 119 43.7229 91 0.34 45
IV.GIGS.HHZ. 2020-04-26T00:38:02.55 0.6 undecidable manual S 132 21.9669 95 -0.39 45
IV.RM33.EHZ. 2020-04-26T00:38:01.13 0.6 undecidable manual S 237 15.4734 103 -0.09 50
IV.TERO.HHZ. 2020-04-26T00:38:01.81 0.6 undecidable manual S 78 19.2696 97 -0.42 45
IV.MMO1.EHZ. 2020-04-26T00:38:01.19 1.0 undecidable manual P 354 34.9428 92 -0.23 23
IV.NRCA.HHZ. 2020-04-26T00:38:01.30 0.1 positive manual P 323 34.6431 92 -0.06 97
IV.LNSS.HHZ. 2020-04-26T00:38:00.20 0.1 undecidable manual P 274 27.2505 93 -0.02 99
IV.T1299.HNZ. 2020-04-26T00:37:59.86 0.6 undecidable manual S 306 9.1797 129 0.15 49
IV.GIGS.HHZ. 2020-04-26T00:37:59.19 0.1 positive manual P 132 21.9669 95 -0.23 95
IV.RM33.EHZ. 2020-04-26T00:37:58.51 0.3 negative manual P 237 15.4734 103 0.08 74
IV.TERO.HHZ. 2020-04-26T00:37:58.90 0.1 negative manual P 78 19.2696 97 -0.11 97
IV.CAMP.HHE. 2020-04-26T00:37:58.89 0.6 undecidable manual S 152 6.2937 143 -0.29 48
IV.CAMP.HHE. 2020-04-26T00:37:57.42 0.1 undecidable manual P 152 6.2937 143 0.17 100
IV.T1299.HNZ. 2020-04-26T00:37:57.80 0.1 undecidable manual P 306 9.1797 129 0.25 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.EHN. ML:1.3 0.0001915 0.42 AML other m 2020-04-26T00:38:01.26
IV.RM33.EHE. ML:1.4 0.000229 0.14 AML other m 2020-04-26T00:38:01.35
IV.TERO.HHE. ML:1.2 0.0001197 1.32 AML other m 2020-04-26T00:38:01.94
IV.TERO.HHN. ML:1.2 0.000132 1.3 AML other m 2020-04-26T00:38:02.99
IV.GIGS.HHN. ML:1.2 0.00009395000000000001 0.2 AML other m 2020-04-26T00:38:02.70
IV.GIGS.HHE. ML:1.1 0.00007755 0.12 AML other m 2020-04-26T00:38:02.74
IV.LNSS.HHN. ML:1.6 0.00023600000000000002 0.4 AML other m 2020-04-26T00:38:04.55
IV.LNSS.HHE. ML:1.6 0.000231 0.36 AML other m 2020-04-26T00:38:05.28
IV.NRCA.HHN. ML:1.5 0.000142 0.1 AML other m 2020-04-26T00:38:06.77
IV.NRCA.HHE. ML:1.5 0.000133 0.18 AML other m 2020-04-26T00:38:06.96
IV.VCEL.EHN. ML:1.5 0.000096 0.62 AML other m 2020-04-26T00:38:10.60
IV.ARRO.EHN. ML:1.2 0.00003925 0.14 AML other m 2020-04-26T00:38:11.14
IV.VCEL.EHE. ML:1.5 0.00009340000000000001 0.26 AML other m 2020-04-26T00:38:11.05
IV.ARRO.EHE. ML:1.1 0.00003175 0.22 AML other m 2020-04-26T00:38:12.09
IV.T0110.HHE. ML:1.3 0.0000511 0.4 AML other m 2020-04-26T00:38:12.60
IV.T0110.HHN. ML:1.2 0.0000404 0.74 AML other m 2020-04-26T00:38:13.88
IV.FRON.EHE. ML:1.6 0.00002834 0.48 AML other m 2020-04-26T00:38:29.45
IV.FRON.EHN. ML:2.0 0.00008664999999999999 0.44 AML other m 2020-04-26T00:38:29.49
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