Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.9 on date 26-06-2020 and time 14:55:59 (Italy) in region 4 km E Accumoli (RI)

A magnitude ML 0.9 earthquake occured in region: 4 km E Accumoli (RI), on

  • 26-06-2020 12:55:59 (UTC)
  • 26-06-2020 14:55:59 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6960, 13.3010 at 14 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
Accumoli RI 4 667 667
Amatrice RI 7 2657 3324
Arquata del Tronto AP 9 1178 4502
Acquasanta Terme AP 12 2916 7418
Cittareale RI 14 482 7900
Campotosto AQ 16 542 8442
Montegallo AP 17 523 8965
Valle Castellana TE 17 977 9942
Rocca Santa Maria TE 19 537 10479
Cortino TE 19 656 11135
Capitignano AQ 20 665 11800
Montereale AQ 20 2581 14381

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km W of Teramo (54892 inhabitants)
39 Km N of L'Aquila (69753 inhabitants)
56 Km E of Terni (111501 inhabitants)
57 Km SE of Foligno (57155 inhabitants)
72 Km W of Montesilvano (53738 inhabitants)
79 Km W of Pescara (121014 inhabitants)
81 Km W of Chieti (51815 inhabitants)
87 Km SE of Perugia (166134 inhabitants)
91 Km NE of Guidonia Montecelio (88673 inhabitants)
91 Km NE of Tivoli (56533 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 0.9 2020-06-26
12:55:59		 42.6962 13.3013 14 2020-06-26
13:15:51		 Sala Sismica INGV-Roma 80525381
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-06-26 12:55:59 ± 0.08
Latitude 42.6962 ± 0.0036
Longitude 13.3013 ± 0.0037
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 80525381

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 396
Semi-minor axis of confidence ellipse (meter) 189
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 207
Circular confidence region, given by single value of horizontal uncertainty (meter) 400.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 116
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.12
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.23382
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 80525381
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-06-26 13:15:51
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MC2.EHZ. 2020-06-26T12:56:08.91 3.0 undecidable manual P 0
IV.TERO.HHZ. 2020-06-26T12:56:08.90 0.6 undecidable manual S 108 25.9518 103 -0.23 48
IV.RM33.EHZ. 2020-06-26T12:56:08.11 0.6 undecidable manual S 199 21.9669 107 0.03 50
IV.NRCA.HHZ. 2020-06-26T12:56:07.74 0.6 undecidable manual S 315 21.5673 108 -0.24 47
IV.CAMP.HHZ. 2020-06-26T12:56:07.42 0.6 undecidable manual S 154 19.869 110 -0.13 49
IV.TERO.HHZ. 2020-06-26T12:56:05.10 0.1 undecidable manual P 108 25.9518 103 -0.01 99
IV.MTRA.EHZ. 2020-06-26T12:56:05.32 0.6 undecidable manual S 49 10.2786 135 -0.06 51
IV.SMA1.EHZ. 2020-06-26T12:56:04.74 0.6 undecidable manual S 159 7.7811 144 -0.22 49
IV.RM33.EHZ. 2020-06-26T12:56:04.52 0.1 undecidable manual P 199 21.9669 107 0.01 100
IV.CAMP.HHZ. 2020-06-26T12:56:04.22 0.1 undecidable manual P 154 19.869 110 0.01 100
IV.MMO1.EHZ. 2020-06-26T12:56:04.84 3.0 positive manual P 0.17 0
IV.T1299.EHZ. 2020-06-26T12:56:04.89 0.6 undecidable manual S 193 7.0929 147 0.05 51
IV.NRCA.HHZ. 2020-06-26T12:56:04.42 0.1 undecidable manual P 315 21.5673 108 -0.03 99
IV.MTRA.EHZ. 2020-06-26T12:56:03.13 0.3 negative manual P 49 10.2786 135 0.18 74
IV.T1299.EHZ. 2020-06-26T12:56:02.82 0.1 undecidable manual P 193 7.0929 147 0.18 99
IV.SMA1.EHZ. 2020-06-26T12:56:02.89 1.0 undecidable manual P 159 7.7811 144 0.19 25
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHN. ML:1.3 0.000201 1.7 AML other m 2020-06-26T12:56:04.98
IV.SMA1.EHE. ML:1.2 0.0001585 1.92 AML other m 2020-06-26T12:56:05.98
IV.NRCA.HHN. ML:1.1 0.0000848 0.16 AML other m 2020-06-26T12:56:07.94
IV.NRCA.HHE. ML:1.3 0.0001235 0.16 AML other m 2020-06-26T12:56:07.97
IV.RM33.EHN. ML:0.5 0.0000213 0.98 AML other m 2020-06-26T12:56:08.14
IV.RM33.EHE. ML:0.7 0.00002915 1.22 AML other m 2020-06-26T12:56:09.68
IV.TERO.HHE. ML:0.6 0.00002065 0.38 AML other m 2020-06-26T12:56:09.19
IV.TERO.HHN. ML:0.7 0.000023650000000000002 0.54 AML other m 2020-06-26T12:56:09.58
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