Earthquake with magnitude of ML 2.5 on date 25-05-2021 and time 08:44:01 (Italy) in region Adriatico Centrale (MARE)

A magnitude ML 2.5 earthquake occured in region: Adriatico Centrale (MARE), on

  • 25-05-2021 06:44:01 (UTC)
  • 25-05-2021 08:44:01 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.4760, 16.6250 at 10 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

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

No Italian municipalities within 100 km from the epicenter with at least 50000 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 2.5 2021-05-25
06:44:01
42.476 16.6253 10 2021-12-29
11:12:03
Bollettino Sismico Italiano INGV 90784271
Reviewed
Rev100
ML 2.5 2021-05-25
06:44:00
42.456 16.6317 2 2021-05-25
06:53:17
Sala Sismica INGV-Roma 90474741
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-05-25 06:44:01 ± 0.15
Latitude 42.4760 ± 0.0153
Longitude 16.6253 ± 0.0195
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 90784271

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2200
Semi-minor axis of confidence ellipse (meter) 800
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 318
Circular confidence region, given by single value of horizontal uncertainty (meter) 2200.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 176
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.68079
Epicentral distance of station farthest from the epicenter (degree) 1.35168
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:2.5

Field Value
Value 2.5
Uncertainty 0.2
Num. used stations 15
Type of magnitude ML
Reference to an origin 90784271
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-09-03 13:53:48

ML:2.5

Field Value
Value 2.5
Uncertainty 0.2
Num. used stations 15
Type of magnitude ML
Reference to an origin 90474741
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-05-25 06:53:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OT.OT07.EHE. 2021-05-25T06:44:36.39 0.6 undecidable manual S 219 120.6903 50 -0.2 59
IV.MSAG.HHZ. 2021-05-25T06:44:32.57 0.6 undecidable manual S 215 103.2189 50 0.63 54
IV.SGRT.HHZ. 2021-05-25T06:44:32.66 1.0 undecidable manual S 222 108.0141 50 -0.56 28
IV.TREM.HHZ. 2021-05-25T06:44:31.63 1.0 undecidable manual S 247 99.5226 50 0.68 27
OT.OT14.EHZ. 2021-05-25T06:44:27.94 0.6 undecidable manual S 223 87.246 50 0.26 62
IV.MELA.HHZ. 2021-05-25T06:44:26.41 0.3 undecidable manual P 236 150.0387 50 0.04 85
OT.OT13.EHZ. 2021-05-25T06:44:24.72 0.6 undecidable manual S 209 75.5688 50 0.17 64
OT.OT06.EHE. 2021-05-25T06:44:22.46 0.3 undecidable manual P 224 122.0889 50 0.41 84
OT.OT03.EHE. 2021-05-25T06:44:21.38 0.3 undecidable manual P 224 116.6943 50 0.14 89
OT.OT04.EHE. 2021-05-25T06:44:21.31 0.3 undecidable manual P 226 120.0909 50 -0.45 83
OT.OT07.EHE. 2021-05-25T06:44:21.50 0.3 undecidable manual P 219 120.6903 50 -0.34 85
IV.APRC.HHZ. 2021-05-25T06:44:21.45 0.3 undecidable manual P 229 119.4915 50 -0.22 88
OT.OT12.EHE. 2021-05-25T06:44:20.09 0.6 undecidable manual P 212 110.7003 50 -0.22 59
IV.SGRT.HHZ. 2021-05-25T06:44:19.64 0.3 undecidable manual P 222 108.0141 50 -0.25 89
CR.STON.BHE. 2021-05-25T06:44:18.54 0.3 undecidable manual P 63 97.9242 50 0.2 92
IV.MSAG.HHZ. 2021-05-25T06:44:18.91 0.3 undecidable manual P 215 103.2189 50 -0.24 90
IV.TREM.HHZ. 2021-05-25T06:44:18.56 0.3 undecidable manual P 247 99.5226 50 -0.02 95
OT.OT14.EHZ. 2021-05-25T06:44:16.95 0.3 undecidable manual P 223 87.246 50 0.25 93
OT.OT13.EHZ. 2021-05-25T06:44:14.88 0.3 undecidable manual P 209 75.5688 50 0 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MSAG.HNE. ML:2.3 0.000177226785 0.2592 AML other m 2021-05-25T06:44:33.92
IV.TREM.HHE. ML:2.6 0.0004165 0.32 AML other m 2021-05-25T06:44:34.19
IV.TREM.HNE. ML:2.7 0.0004568852 0.3072 AML other m 2021-05-25T06:44:34.19
IV.SGRT.HHN. ML:2.2 0.0001531043 0.4 AML other m 2021-05-25T06:44:34.49
IV.TREM.HNN. ML:2.8 0.0005988639 0.528 AML other m 2021-05-25T06:44:35.42
IV.TREM.HHN. ML:2.7 0.0004715748 0.5184 AML other m 2021-05-25T06:44:35.42
IV.SGRT.HHE. ML:2.3 0.00016665995 0.1984 AML other m 2021-05-25T06:44:36.01
IV.MSAG.HHE. ML:1.9 0.000070497245 0.2208 AML other m 2021-05-25T06:44:36.15
IV.APRC.HHE. ML:2.6 0.0003355 0.34 AML other m 2021-05-25T06:44:38.50
IV.APRC.HHN. ML:2.5 0.0002253228 0.4 AML other m 2021-05-25T06:44:38.67
IV.MSAG.HNN. ML:2.6 0.00037558495000000004 0.4 AML other m 2021-05-25T06:44:40.45
IV.MSAG.HHN. ML:2.2 0.00016056615000000003 0.4 AML other m 2021-05-25T06:44:40.45
IV.MELA.HHE. ML:2.7 0.000236 0.38 AML other m 2021-05-25T06:44:53.40
IV.MELA.HHN. ML:2.7 0.000264 1.44 AML other m 2021-05-25T06:44:54.73
IV.MELA.HNE. ML:2.7 0.00023387595 0.528 AML other m 2021-05-25T06:44:54.23
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
Waveforms Seismic signals in miniseed + resp format Download