Earthquake with magnitude of ML 1.4 on date 26-02-2021 and time 11:00:52 (Italy) in region 8 km SE Stelvio (BZ)

A magnitude ML 1.4 earthquake occured in region: 8 km SE Stelvio (BZ), on

  • 26-02-2021 10:00:52 (UTC)
  • 26-02-2021 11:00:52 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.54, 10.6 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Stelvio BZ 8 1161 1161
Prato allo Stelvio BZ 9 3474 4635
Lasa BZ 12 3993 8628
Sluderno BZ 14 1804 10432
Martello BZ 14 869 11301
Glorenza BZ 15 896 12197
Tubre BZ 16 977 13174
Valfurva SO 17 2638 15812
Silandro BZ 17 6016 21828
Malles Venosta BZ 18 5162 26990
Bormio SO 19 4121 31111

Municipalities with at least 50000 inhabitants

An earthquake occurred to
58 Km W of Bolzano (106441 inhabitants)
66 Km NW of Trento (117317 inhabitants)
Recent and historical Seismicity
Seismic hazard
Shakemap
Felt maps
The earthquake effects in MCS scale as obtained from the compiled questionnaire

The earthquake effects in MCS scale as obtained from the compiled questionnaire

This map shows the distribution of the effects of the earthquake on the territory in terms of the MCS (Mercalli-Cancani-Sieberg) intensity scale. The intensities are determined using the data provided in the questionnaire (http://www.haisentitoilterremoto.it/) that are analysed using robust statistical techniques since they are not verified individually. Specifically, the assignment of MCS intensities greater or equal the VI degree of the MCS scale require opportune in situ verification by professional experts. The purple start shows the epicenter. This map is prepared every so often that the population fill in new questionnaires. The number of questionnaires used to determine the map and the date and time of the last adjournment are shown in the upper right part of the panel.
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Reviewed
Rev100
ML 1.4 2021-02-26
10:00:52
46.54 10.6 12 2021-02-26
10:08:34
Sala Sismica INGV-Roma 87499371
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-02-26 10:00:52 ± 0.1
Latitude 46.54 ± 0.01
Longitude 10.60 ± 0.01
Depth (km) 12 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 87499371

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 710
Semi-minor axis of confidence ellipse (meter) 231
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 190
Circular confidence region, given by single value of horizontal uncertainty (meter) 710
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 79
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) 0.38
Epicentral distance of station closest to the epicenter (degree) 0.08723
Epicentral distance of station farthest from the epicenter (degree) 0.795
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.1
Num. used stations 10
Type of magnitude ML
Reference to an origin 87499371
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-02-26 10:08:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.BRES.EHZ. 2021-02-26T10:01:18.30 0.6 undecidable manual S 78 0.795 90 -0.15 44
SI.ROSI.HHZ. 2021-02-26T10:01:14.70 0.6 undecidable manual S 55 0.679 91 -0.33 43
ST.RONC.EHZ. 2021-02-26T10:01:11.26 0.3 undecidable manual S 178 0.5567 91 -0.13 67
CH.DAVOX.HHZ. 2021-02-26T10:01:10.81 0.3 undecidable manual S 296 0.5513 91 -0.43 65
IV.MABI.HHZ. 2021-02-26T10:01:08.55 0.3 undecidable manual S 187 0.4856 91 -0.73 57
IV.APPI.EHZ. 2021-02-26T10:01:07.11 0.6 undecidable manual S 97 0.4353 91 -0.7 40
IV.BRES.EHZ. 2021-02-26T10:01:07.76 0.1 undecidable manual P 78 0.795 90 0.3 83
IV.MAGA.HHZ. 2021-02-26T10:01:07.89 0.3 undecidable manual P 179 0.7617 90 1 50
CH.BERNI.HHZ. 2021-02-26T10:01:06.94 0.6 undecidable manual S 253 0.4164 91 -0.29 45
SI.ROSI.HHZ. 2021-02-26T10:01:05.64 0.1 undecidable manual P 55 0.679 91 0.16 88
ST.OZOL.EHZ. 2021-02-26T10:01:04.22 0.3 undecidable manual S 113 0.3381 91 -0.69 61
ST.RONC.EHZ. 2021-02-26T10:01:03.93 0.1 undecidable manual P 178 0.5567 91 0.55 84
ST.GAGG.HHZ. 2021-02-26T10:01:03.68 0.3 undecidable manual P 151 0.5162 91 0.99 53
CH.DAVOX.HHZ. 2021-02-26T10:01:03.48 0.1 undecidable manual P 296 0.5513 91 0.19 89
IV.MABI.HHZ. 2021-02-26T10:01:02.46 0.1 undecidable manual P 187 0.4856 91 0.29 90
CH.BERNI.HHZ. 2021-02-26T10:01:01.15 0.1 undecidable manual P 253 0.4164 91 0.17 93
IV.APPI.EHZ. 2021-02-26T10:01:01.40 0.1 undecidable manual P 97 0.4353 91 0.09 94
CH.FUORN.HHE. 2021-02-26T10:01:01.75 0.6 undecidable manual S 290 0.2464 92 -0.45 46
IV.BRMO.HHZ. 2021-02-26T10:00:59.25 0.3 undecidable manual S 249 0.1682 96 -0.65 64
ST.OZOL.EHZ. 2021-02-26T10:00:59.79 0.1 undecidable manual P 113 0.3381 91 0.15 95
ST.CARE.EHZ. 2021-02-26T10:00:58.16 0.3 undecidable manual S 150 0.1286 105 -0.59 64
CH.FUORN.HHE. 2021-02-26T10:00:58.10 0.1 undecidable manual P 290 0.2464 92 0.03 98
SI.MOSI.HHZ. 2021-02-26T10:00:57.17 0.3 undecidable manual S 336 0.0872 126 -0.45 71
ST.CARE.EHZ. 2021-02-26T10:00:56.25 0.1 undecidable manual P 150 0.1286 105 0.17 99
IV.BRMO.HHZ. 2021-02-26T10:00:56.91 0.1 undecidable manual P 249 0.1682 96 0.16 98
SI.MOSI.HHZ. 2021-02-26T10:00:55.54 0.1 negative manual P 336 0.0872 126 0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
SI.MOSI.HHE. ML:1.5 0.0003675 0.18 AML other m 2021-02-26T10:00:57.39
SI.MOSI.HHN. ML:1.6 0.0005415 0.98 AML other m 2021-02-26T10:00:57.90
IV.BRMO.HHN. ML:1.3 0.0001615 0.14 AML other m 2021-02-26T10:00:59.64
IV.BRMO.HHE. ML:1.4 0.0002065 0.18 AML other m 2021-02-26T10:00:59.73
IV.APPI.EHN. ML:1.4 6.4E-5 1.26 AML other m 2021-02-26T10:01:07.93
IV.APPI.EHE. ML:1.4 7.7E-5 0.16 AML other m 2021-02-26T10:01:08.13
IV.MABI.HHE. ML:1.2 3.635E-5 0.2 AML other m 2021-02-26T10:01:08.85
IV.MABI.HHN. ML:1.3 4.335E-5 1.88 AML other m 2021-02-26T10:01:09.02
ST.RONC.EHN. ML:1.6 7.415E-5 0.54 AML other m 2021-02-26T10:01:12.33
ST.RONC.EHE. ML:1.5 6.55E-5 1.28 AML other m 2021-02-26T10:01:13.85
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download