Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 26-02-2020 and time 03:30:27 (Italy) in region 5 km NW Crognaleto (TE)

A magnitude ML 1.5 earthquake occured in region: 5 km NW Crognaleto (TE), on

  • 26-02-2020 02:30:27 (UTC)
  • 26-02-2020 03:30:27 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.5910, 13.4620 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
Crognaleto TE 5 1297 1297
Cortino TE 5 656 1953
Fano Adriano TE 8 296 2249
Campotosto AQ 8 542 2791
Pietracamela TE 11 271 3062
Rocca Santa Maria TE 12 537 3599
Montorio al Vomano TE 14 8218 11817
Amatrice RI 15 2657 14474
Capitignano AQ 15 665 15139
Tossicia TE 16 1406 16545
Valle Castellana TE 17 977 17522
Torricella Sicura TE 18 2641 20163
Colledara TE 19 2179 22342
Isola del Gran Sasso d'Italia TE 19 4773 27115
Montereale AQ 19 2581 29696

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km W of Teramo (54892 inhabitants)
27 Km N of L'Aquila (69753 inhabitants)
57 Km W of Montesilvano (53738 inhabitants)
63 Km W of Pescara (121014 inhabitants)
64 Km W of Chieti (51815 inhabitants)
67 Km E of Terni (111501 inhabitants)
74 Km SE of Foligno (57155 inhabitants)
88 Km NE of Tivoli (56533 inhabitants)
89 Km NE of Guidonia Montecelio (88673 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 2020-02-26
02:30:27		 42.5908 13.4618 14 2020-07-18
21:08:24		 Bollettino Sismico Italiano INGV 77145371
Reviewed
Rev100 		ML 1.5 2020-02-26
02:30:27		 42.5907 13.4707 15 2020-02-26
03:08:13		 Sala Sismica INGV-Roma 76818591
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-26 02:30:27 ± 0.13
Latitude 42.5908 ± 0.0054
Longitude 13.4618 ± 0.0073
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 77145371

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 611
Semi-minor axis of confidence ellipse (meter) 380
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 52
Circular confidence region, given by single value of horizontal uncertainty (meter) 610.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 66
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.06745
Epicentral distance of station farthest from the epicenter (degree) 0.52341
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 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 77145371
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-03-09 07:20:32

ML:1.5

Field Value
Value 1.5
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 76818591
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-26 03:08:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FDMO.HHN. 2020-02-26T02:30:45.28 0.6 undecidable manual S 328 58.0974 94 -0.2 44
IV.OFFI.HHE. 2020-02-26T02:30:43.15 0.6 undecidable manual S 25 42.3243 96 1.87 22
IV.MF5.EHE. 2020-02-26T02:30:42.26 0.6 undecidable manual S 360 44.0226 96 0.51 43
IV.MC2.EHE. 2020-02-26T02:30:41.30 0.6 undecidable manual S 328 41.9247 96 0.11 47
IV.VCEL.EHN. 2020-02-26T02:30:40.57 0.6 undecidable manual S 125 37.8288 97 0.46 44
IV.LNSS.HNZ. 2020-02-26T02:30:39.43 0.6 undecidable manual S 272 34.4433 98 0.22 46
IV.MMO1.EHZ. 2020-02-26T02:30:39.21 0.3 undecidable manual S 342 35.9418 98 -0.39 66
IV.FDMO.HHN. 2020-02-26T02:30:37.49 0.3 undecidable manual P 328 58.0974 94 -0.39 63
IV.RM33.HNZ. 2020-02-26T02:30:36.39 0.6 undecidable manual S 246 22.1556 107 0.39 45
IV.MF5.EHE. 2020-02-26T02:30:35.92 0.6 undecidable manual P 360 44.0226 96 0.2 46
IV.OFFI.HHE. 2020-02-26T02:30:35.88 0.6 undecidable manual P 25 42.3243 96 0.43 44
IV.MC2.EHE. 2020-02-26T02:30:35.24 0.3 undecidable manual P 328 41.9247 96 -0.16 68
IV.LNSS.HNZ. 2020-02-26T02:30:34.11 0.3 undecidable manual P 272 34.4433 98 -0.14 70
IV.MMO1.EHZ. 2020-02-26T02:30:34.32 0.3 undecidable manual P 342 35.9418 98 -0.16 69
IV.VCEL.EHN. 2020-02-26T02:30:34.78 0.3 undecidable manual P 125 37.8288 97 0.01 71
IV.GIGS.HHZ. 2020-02-26T02:30:34.67 0.3 undecidable manual S 149 17.7711 115 -0.23 71
IV.T1299.HNZ. 2020-02-26T02:30:34.52 0.3 undecidable manual S 288 15.4734 120 0.17 72
IV.SMA1.EHZ. 2020-02-26T02:30:33.13 0.3 undecidable manual S 293 11.2776 132 -0.31 71
IV.TERO.HHZ. 2020-02-26T02:30:33.10 0.3 undecidable manual S 73 12.0768 129 -0.52 66
IV.CAMP.HHZ. 2020-02-26T02:30:32.95 0.3 undecidable manual S 215 7.4814 146 0.17 73
IV.RM33.HNZ. 2020-02-26T02:30:32.01 0.6 undecidable manual P 246 22.1556 107 -0.39 45
IV.T1299.HNZ. 2020-02-26T02:30:31.52 0.1 positive manual P 288 15.4734 120 0.07 99
IV.GIGS.HHZ. 2020-02-26T02:30:31.63 0.3 undecidable manual P 149 17.7711 115 -0.14 72
IV.TERO.HHZ. 2020-02-26T02:30:30.82 0.3 undecidable manual P 73 12.0768 129 -0.21 71
IV.CAMP.HHZ. 2020-02-26T02:30:30.72 0.1 undecidable manual P 215 7.4814 146 0.17 98
IV.SMA1.EHZ. 2020-02-26T02:30:30.92 0.1 negative manual P 293 11.2776 132 -0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.TERO.HHN. ML:1.4 0.00022291155 0.0592 AML other m 2020-02-26T02:30:33.36
IV.TERO.HNE. ML:1.6 0.0003782676 0.0704 AML other m 2020-02-26T02:30:33.19
IV.TERO.HNN. ML:1.5 0.00026394245 0.08 AML other m 2020-02-26T02:30:33.30
IV.TERO.HHE. ML:1.6 0.0003533022 0.16 AML other m 2020-02-26T02:30:33.20
IV.SMA1.EHN. ML:1.2 0.00016402015000000002 0.1392 AML other m 2020-02-26T02:30:34.18
IV.SMA1.EHE. ML:1.4 0.00023896025 0.24 AML other m 2020-02-26T02:30:33.51
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