Earthquake with magnitude of ML 1.5 on date 25-07-2020 and time 08:10:40 (Italy) in region 4 km SE Balsorano (AQ)

A magnitude ML 1.5 earthquake occured in region: 4 km SE Balsorano (AQ), on

  • 25-07-2020 06:10:40 (UTC)
  • 25-07-2020 08:10:40 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.7700, 13.5910 at 9 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
Balsorano AQ 4 3569 3569
Sora FR 6 26144 29713
Pescosolido FR 6 1555 31268
Broccostella FR 8 2741 34009
Campoli Appennino FR 8 1725 35734
San Vincenzo Valle Roveto AQ 9 2347 38081
Isola del Liri FR 10 11715 49796
Castelliri FR 11 3454 53250
Villavallelonga AQ 11 919 54169
Posta Fibreno FR 12 1139 55308
Collelongo AQ 13 1233 56541
Fontechiari FR 13 1303 57844
Arpino FR 14 7262 65106
Vicalvi FR 14 783 65889
Morino AQ 15 1448 67337
Alvito FR 16 2713 70050
Monte San Giovanni Campano FR 16 12929 82979
Civita d'Antino AQ 16 979 83958
Veroli FR 17 20560 104518
Pescasseroli AQ 17 2203 106721
Boville Ernica FR 17 8737 115458
Fontana Liri FR 18 2953 118411
Casalvieri FR 18 2698 121109
Collepardo FR 18 968 122077
Santopadre FR 19 1357 123434
San Donato Val di Comino FR 20 2107 125541
Casalattico FR 20 574 126115
Lecce nei Marsi AQ 20 1702 127817

Municipalities with at least 50000 inhabitants

An earthquake occurred to
66 Km NE of Latina (125985 inhabitants)
67 Km S of L'Aquila (69753 inhabitants)
68 Km E of Velletri (53303 inhabitants)
69 Km E of Tivoli (56533 inhabitants)
76 Km E of Guidonia Montecelio (88673 inhabitants)
80 Km SW of Chieti (51815 inhabitants)
81 Km E of Aprilia (73446 inhabitants)
88 Km E of Anzio (54211 inhabitants)
91 Km E of Pomezia (62966 inhabitants)
93 Km E of Roma (2864731 inhabitants)
93 Km SW of Pescara (121014 inhabitants)
95 Km SW of Montesilvano (53738 inhabitants)
99 Km NW of Caserta (76326 inhabitants)
99 Km S of Teramo (54892 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 2020-07-25
06:10:40
41.77 13.5907 9 2020-11-19
12:37:04
Bollettino Sismico Italiano INGV 83772141
Reviewed
Rev100
ML 1.5 2020-07-25
06:10:40
41.769 13.5887 9 2020-07-25
06:16:37
Sala Sismica INGV-Roma 81326771
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-07-25 06:10:40 ± 0.05
Latitude 41.7700 ± 0.0027
Longitude 13.5907 ± 0.0036
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 83772141

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 304
Semi-minor axis of confidence ellipse (meter) 288
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) 300.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 54
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.10252
Epicentral distance of station farthest from the epicenter (degree) 0.52071
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 30
Type of magnitude ML
Reference to an origin 81326771
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-07-25 06:16:37

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 30
Type of magnitude ML
Reference to an origin 83772141
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-10-27 23:02:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.T0110.HHZ. 2020-07-25T06:10:57.68 0.6 undecidable manual S 17 53.2023 50 -0.12 46
IV.CERA.HHZ. 2020-07-25T06:10:54.71 0.6 undecidable manual S 118 40.2264 50 0.38 44
IV.INTR.HHZ. 2020-07-25T06:10:53.36 0.6 undecidable manual S 44 37.2294 50 -0.18 46
IV.GIUL.HHZ. 2020-07-25T06:10:53.19 0.3 undecidable manual S 230 36.4413 50 -0.13 70
IV.PTQR.HHZ. 2020-07-25T06:10:52.02 0.3 undecidable manual S 331 32.0457 50 -0.13 71
IV.LPEL.HHZ. 2020-07-25T06:10:50.94 0.3 undecidable manual P 58 57.7977 50 -0.31 65
IV.T0110.HHZ. 2020-07-25T06:10:50.92 0.1 undecidable manual P 17 53.2023 50 0.37 87
IV.RNI2.HHZ. 2020-07-25T06:10:50.19 0.3 undecidable manual P 99 47.1195 50 0.59 62
IV.GUAR.HHZ. 2020-07-25T06:10:49.24 0.3 undecidable manual S 277 23.1546 111 -0.03 74
IV.CERA.HHZ. 2020-07-25T06:10:48.44 0.1 undecidable manual P 118 40.2264 50 -0.11 94
IT.OPI.HGE. 2020-07-25T06:10:47.78 0.6 undecidable manual S 88 19.869 114 -0.41 46
IV.PTQR.HHZ. 2020-07-25T06:10:47.36 0.3 undecidable manual P 331 32.0457 50 0.07 72
IV.INTR.HHZ. 2020-07-25T06:10:47.99 0.1 undecidable manual P 44 37.2294 50 -0.1 94
IV.GIUL.HHZ. 2020-07-25T06:10:47.74 0.3 undecidable manual P 230 36.4413 50 -0.22 69
IV.MCI.EHE. 2020-07-25T06:10:47.87 1.0 undecidable manual P 149 36.0417 50 -0.03 24
IV.LRP.EHZ. 2020-07-25T06:10:46.36 0.6 undecidable manual S 181 13.6752 123 0.06 50
IV.VVLD.HHZ. 2020-07-25T06:10:45.65 0.3 undecidable manual S 14 11.3775 128 -0.01 75
IV.GUAR.HHZ. 2020-07-25T06:10:45.71 0.3 undecidable manual P 277 23.1546 111 0.09 73
IV.POFI.HHZ. 2020-07-25T06:10:45.63 0.3 undecidable manual S 120 11.5773 127 -0.09 74
IT.OPI.HGE. 2020-07-25T06:10:44.95 0.1 undecidable manual P 88 19.869 114 -0.05 98
IV.POFI.HHZ. 2020-07-25T06:10:43.61 0.1 undecidable manual P 120 11.5773 127 0.03 100
IV.VVLD.HHZ. 2020-07-25T06:10:43.71 0.1 undecidable manual P 14 11.3775 128 0.17 97
IV.LRP.EHZ. 2020-07-25T06:10:43.95 0.3 undecidable manual P 181 13.6752 123 0.04 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.VVLD.HHN. ML:1.8 0.0008580888 0.1792 AML other m 2020-07-25T06:10:45.76
IV.VVLD.HNN. ML:1.8 0.00079919815 0.2016 AML other m 2020-07-25T06:10:45.78
IV.VVLD.HHE. ML:1.8 0.00079158555 0.1984 AML other m 2020-07-25T06:10:45.84
IV.VVLD.HNE. ML:1.8 0.0007324948 0.1888 AML other m 2020-07-25T06:10:45.85
IV.LRP.EHE. ML:1.7 0.0005120822 0.2816 AML other m 2020-07-25T06:10:46.66
IV.POFI.HHE. ML:1.3 0.000223189 0.1792 AML other m 2020-07-25T06:10:46.46
IV.POFI.HNE. ML:1.4 0.00027826319999999996 0.192 AML other m 2020-07-25T06:10:46.47
IV.POFI.HHN. ML:1.0 0.00013413035 0.2592 AML other m 2020-07-25T06:10:46.99
IV.LRP.EHN. ML:1.0 0.00010045076999999999 0.2208 AML other m 2020-07-25T06:10:48.85
IV.POFI.HNN. ML:1.1 0.000169486635 0.5088 AML other m 2020-07-25T06:10:49.02
IV.GUAR.HHN. ML:1.7 0.00033448265 0.24 AML other m 2020-07-25T06:10:49.52
IV.GUAR.HHE. ML:1.4 0.00015011065000000002 0.2368 AML other m 2020-07-25T06:10:49.63
IV.LPEL.HNE. ML:1.8 0.00014906605000000002 1.1008 AML other m 2020-07-25T06:10:51.17
IV.PTQR.HHN. ML:1.4 0.000105243395 0.2208 AML other m 2020-07-25T06:10:52.67
IV.INTR.HHE. ML:1.8 0.00022376240000000002 0.2208 AML other m 2020-07-25T06:10:53.65
IV.INTR.HNE. ML:1.8 0.00022847984999999998 1.7408 AML other m 2020-07-25T06:10:54.08
IV.GIUL.HHN. ML:1.2 0.00006190967 0.32 AML other m 2020-07-25T06:10:55.12
IV.PTQR.HHE. ML:1.4 0.00011702300000000001 0.1792 AML other m 2020-07-25T06:10:55.31
IV.GIUL.HHE. ML:1.2 0.00006196456 1.6608 AML other m 2020-07-25T06:10:55.84
IV.INTR.HHN. ML:1.7 0.00019593985 0.2016 AML other m 2020-07-25T06:10:56.28
IV.CERA.HHE. ML:1.3 0.00007252205 1.6192 AML other m 2020-07-25T06:10:56.05
IV.CERA.HHN. ML:1.5 0.00011892610000000001 1.6 AML other m 2020-07-25T06:10:57.89
IV.CERA.HNN. ML:1.5 0.00011247572999999999 1.6 AML other m 2020-07-25T06:10:57.89
IV.INTR.HNN. ML:1.7 0.00018956135 0.4 AML other m 2020-07-25T06:10:57.22
IV.CERA.HNE. ML:1.5 0.000103355135 0.5216 AML other m 2020-07-25T06:10:57.05
IV.T0110.HHE. ML:1.6 0.00008631475499999999 0.4384 AML other m 2020-07-25T06:10:59.53
IV.T0110.HHN. ML:1.6 0.00010316855 0.2208 AML other m 2020-07-25T06:11:00.88
IV.LPEL.HHN. ML:1.5 0.000067388485 0.2208 AML other m 2020-07-25T06:11:01.32
IV.LPEL.HHE. ML:1.4 0.00005555752 0.4 AML other m 2020-07-25T06:11:03.08
IV.LPEL.HNN. ML:1.8 0.00013896673 1.2 AML other m 2020-07-25T06:11:07.16
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