Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 26-07-2020 and time 07:03:24 (UTC) in region 8 km E Accumoli (RI)

A magnitude ML 1.5 earthquake occured in region: 8 km E Accumoli (RI), on

  • 26-07-2020 07:03:24 (UTC)
  • 26-07-2020 09:03:24 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6940, 13.3460 at 14 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.

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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 8 667 667
Amatrice RI 9 2657 3324
Arquata del Tronto AP 10 1178 4502
Acquasanta Terme AP 10 2916 7418
Valle Castellana TE 13 977 8395
Rocca Santa Maria TE 15 537 8932
Campotosto AQ 15 542 9474
Cortino TE 16 656 10130
Montegallo AP 17 523 10653
Cittareale RI 17 482 11135
Capitignano AQ 20 665 11800
Crognaleto TE 20 1297 13097

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km W of Teramo (54892 inhabitants)
38 Km N of L'Aquila (69753 inhabitants)
59 Km E of Terni (111501 inhabitants)
60 Km E of Foligno (57155 inhabitants)
69 Km W of Montesilvano (53738 inhabitants)
76 Km W of Pescara (121014 inhabitants)
77 Km NW of Chieti (51815 inhabitants)
91 Km SE of Perugia (166134 inhabitants)
92 Km NE of Guidonia Montecelio (88673 inhabitants)
93 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
Bulletin
Rev1000 		ML 1.5 2020-07-26
07:03:24		 42.6943 13.3457 15 2020-11-19
12:36:55		 Bollettino Sismico Italiano INGV 81449211
Reviewed
Rev100 		ML 1.5 2020-07-26
07:03:24		 42.6995 13.3485 14 2020-07-26
07:14:49		 Sala Sismica INGV-Roma 81358571
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-07-26 07:03:24 ± 0.08
Latitude 42.6943 ± 0.0036
Longitude 13.3457 ± 0.0061
Depth (km) 15 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 81449211

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 469
Semi-minor axis of confidence ellipse (meter) 155
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 246
Circular confidence region, given by single value of horizontal uncertainty (meter) 470.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 65
Number of associated phases, regardless of their use for origin computation 42
Number of defining phases 42
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.06385
Epicentral distance of station farthest from the epicenter (degree) 0.58006
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 22
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 32
Type of magnitude ML
Reference to an origin 81449211
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-08-03 10:02:16

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 32
Type of magnitude ML
Reference to an origin 81358571
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-07-26 07:14:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CESI.HHE. 2020-07-26T07:03:40.48 0.3 undecidable manual S 314 49.7169 95 0.19 68
IV.OFFI.HHE. 2020-07-26T07:03:39.30 0.6 undecidable manual S 46 38.4282 98 2.01 18
IV.CSP1.EHZ. 2020-07-26T07:03:39.22 0.6 undecidable manual S 345 45.5211 96 0.04 47
IV.ARRO.EHZ. 2020-07-26T07:03:39.59 0.6 undecidable manual S 255 49.0176 95 -0.51 41
IT.MTCL.HGZ. 2020-07-26T07:03:38.53 0.6 undecidable manual S 320 43.5231 96 -0.12 46
IV.FDMO.HHZ. 2020-07-26T07:03:38.64 0.3 undecidable manual S 331 43.4232 96 0.04 71
IV.FEMA.HNE. 2020-07-26T07:03:37.22 0.6 undecidable manual S 321 38.2284 98 -0.02 48
IV.GAVE.EHN. 2020-07-26T07:03:37.04 0.6 undecidable manual S 270 36.8298 98 0.18 47
IV.MOMA.HHZ. 2020-07-26T07:03:36.08 0.1 negative manual P 281 64.3911 94 0.22 89
IV.MF5.EHZ. 2020-07-26T07:03:36.66 0.3 undecidable manual S 16 33.8439 99 0.58 62
IV.GIGS.HHN. 2020-07-26T07:03:35.58 0.6 undecidable manual S 145 32.5452 100 -0.16 47
IV.T0110.HHZ. 2020-07-26T07:03:35.56 0.6 undecidable manual P 146 62.493 94 -0.01 46
IV.MC2.EHZ. 2020-07-26T07:03:34.39 0.3 undecidable manual S 332 27.2505 103 0.04 73
IV.LNSS.HHZ. 2020-07-26T07:03:34.62 0.3 undecidable manual S 248 26.8509 103 0.36 69
IV.NRCA.HHZ. 2020-07-26T07:03:33.37 0.3 undecidable manual S 309 24.3534 106 -0.23 71
IV.ARRO.EHZ. 2020-07-26T07:03:33.47 0.1 undecidable manual P 255 49.0176 95 -0.04 93
IV.RM33.EHZ. 2020-07-26T07:03:33.54 0.3 undecidable manual S 208 23.1546 107 0.24 71
IV.CESI.HHE. 2020-07-26T07:03:33.46 0.1 undecidable manual P 314 49.7169 95 -0.16 91
IV.CSP1.EHZ. 2020-07-26T07:03:32.79 0.1 undecidable manual P 345 45.5211 96 -0.19 92
IV.FDMO.HHZ. 2020-07-26T07:03:32.37 0.1 undecidable manual P 331 43.4232 96 -0.28 90
IV.TERO.HHZ. 2020-07-26T07:03:32.65 0.6 undecidable manual S 111 22.4553 108 -0.48 45
IV.OFFI.HHE. 2020-07-26T07:03:32.63 0.1 undecidable manual P 46 38.4282 98 0.74 78
IT.MTCL.HGZ. 2020-07-26T07:03:32.43 0.1 undecidable manual P 320 43.5231 96 -0.24 91
IV.MMO1.EHZ. 2020-07-26T07:03:32.85 0.3 undecidable manual S 356 22.755 108 -0.35 70
IV.FEMA.HNE. 2020-07-26T07:03:31.75 0.3 undecidable manual P 321 38.2284 98 -0.11 71
IV.GAVE.EHN. 2020-07-26T07:03:31.67 0.1 undecidable manual P 270 36.8298 98 0.03 96
IV.CAMP.HHZ. 2020-07-26T07:03:31.99 0.3 undecidable manual S 164 18.3705 115 -0.09 74
IV.MF5.EHZ. 2020-07-26T07:03:31.41 0.1 negative manual P 16 33.8439 99 0.22 92
IV.MC2.EHZ. 2020-07-26T07:03:30.14 0.1 undecidable manual P 332 27.2505 103 -0.05 97
IV.LNSS.HHZ. 2020-07-26T07:03:30.23 0.1 positive manual P 248 26.8509 103 0.09 97
IV.GIGS.HHN. 2020-07-26T07:03:30.78 0.1 undecidable manual P 145 32.5452 100 -0.21 93
IV.T1299.HNZ. 2020-07-26T07:03:30.30 0.3 undecidable manual S 218 8.4804 143 0.3 71
IV.SMA1.EHZ. 2020-07-26T07:03:29.53 0.3 undecidable manual S 187 7.0929 148 -0.27 73
IV.MTRA.HNZ. 2020-07-26T07:03:29.47 0.3 undecidable manual S 31 8.0808 144 -0.47 71
IV.TERO.HHZ. 2020-07-26T07:03:29.34 0.3 undecidable manual P 111 22.4553 108 -0.15 73
IV.NRCA.HHZ. 2020-07-26T07:03:29.61 0.1 positive manual P 309 24.3534 106 -0.15 96
IV.RM33.EHZ. 2020-07-26T07:03:29.70 0.1 positive manual P 208 23.1546 107 0.12 97
IV.MMO1.EHZ. 2020-07-26T07:03:29.28 0.3 undecidable manual P 356 22.755 108 -0.25 71
IV.CAMP.HHZ. 2020-07-26T07:03:28.64 0.3 undecidable manual P 164 18.3705 115 -0.24 71
IV.MTRA.HNZ. 2020-07-26T07:03:27.51 0.1 negative manual P 31 8.0808 144 -0.14 100
IV.T1299.HNZ. 2020-07-26T07:03:27.94 0.1 positive manual P 218 8.4804 143 0.26 96
IV.SMA1.EHZ. 2020-07-26T07:03:27.69 0.1 positive manual P 187 7.0929 148 0.12 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MF5.EHE. ML:1.4 0.00009819229999999999 0.16 AML other m 2020-07-26T07:03:37.29
IV.MTRA.EHE. ML:1.6 0.00046016749999999994 0.0992 AML other m 2020-07-26T07:03:29.76
IV.MTRA.HNE. ML:1.6 0.0004329328 0.1088 AML other m 2020-07-26T07:03:29.81
IV.MTRA.HNN. ML:1.8 0.00066248725 0.0896 AML other m 2020-07-26T07:03:29.59
IV.MTRA.EHN. ML:1.8 0.0006624417000000001 0.0768 AML other m 2020-07-26T07:03:29.59
IV.SMA1.EHN. ML:1.5 0.00031804005000000003 0.08 AML other m 2020-07-26T07:03:29.66
IV.SMA1.EHE. ML:1.6 0.00038566355 0.16 AML other m 2020-07-26T07:03:30.06
IV.CAMP.HHE. ML:0.6 0.000030887985 0.1792 AML other m 2020-07-26T07:03:32.82
IV.CAMP.HHN. ML:0.5 0.0000188432355 0.2016 AML other m 2020-07-26T07:03:32.68
IV.TERO.HHN. ML:1.3 0.00011863199 0.0608 AML other m 2020-07-26T07:03:32.75
IV.TERO.HNN. ML:1.4 0.0001385212 0.112 AML other m 2020-07-26T07:03:33.34
IV.TERO.HHE. ML:1.4 0.0001499979 0.0992 AML other m 2020-07-26T07:03:33.97
IV.TERO.HNE. ML:1.5 0.00017825325 0.1184 AML other m 2020-07-26T07:03:33.92
IV.NRCA.HNN. ML:1.7 0.0002779194 0.1408 AML other m 2020-07-26T07:03:34.69
IV.NRCA.HHE. ML:2.0 0.00064490185 0.1792 AML other m 2020-07-26T07:03:33.54
IV.NRCA.HNE. ML:2.0 0.0005793361999999999 0.1696 AML other m 2020-07-26T07:03:33.46
IV.NRCA.HHN. ML:1.7 0.00028835635000000004 0.1184 AML other m 2020-07-26T07:03:34.68
IV.RM33.HNN. ML:1.7 0.000278678 0.1888 AML other m 2020-07-26T07:03:33.73
IV.RM33.EHE. ML:1.8 0.0003793782 0.16 AML other m 2020-07-26T07:03:33.97
IV.RM33.HNE. ML:1.8 0.00037970214999999993 0.16 AML other m 2020-07-26T07:03:33.88
IV.RM33.EHN. ML:1.6 0.00025400085 0.1792 AML other m 2020-07-26T07:03:33.73
IV.LNSS.HNN. ML:1.6 0.00020851730000000002 0.2496 AML other m 2020-07-26T07:03:34.86
IV.LNSS.HNE. ML:1.5 0.00015822076 0.1696 AML other m 2020-07-26T07:03:35.60
IV.LNSS.HHN. ML:1.5 0.00017196031 0.2624 AML other m 2020-07-26T07:03:34.86
IV.LNSS.HHE. ML:1.5 0.00017292325 0.0992 AML other m 2020-07-26T07:03:35.60
IV.FDMO.HHN. ML:1.7 0.0001547902 0.2208 AML other m 2020-07-26T07:03:38.89
IV.FDMO.HHE. ML:1.5 0.00009265213 0.2816 AML other m 2020-07-26T07:03:38.92
IV.CSP1.EHE. ML:1.2 0.000052432215000000004 0.3392 AML other m 2020-07-26T07:03:39.48
IV.CSP1.EHN. ML:1.2 0.000046070095 0.2592 AML other m 2020-07-26T07:03:41.36
IV.ARRO.EHN. ML:1.1 0.00003339002 0.1408 AML other m 2020-07-26T07:03:42.87
IV.ARRO.EHE. ML:1.1 0.000035191635 0.16 AML other m 2020-07-26T07:03:41.60
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