Earthquake Macedonia [Land], Magnitude Mw 4.5, 21 May 2016 time 16:41:31 (Timezone UTC)

A magnitude Mw 4.5 earthquake occured in region: Macedonia [Land], on

21-05-2016 16:41:31 (UTC)
21-05-2016 18:41:31 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.2260, 20.9740 at 13 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.

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Display location by

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

Not available maps for this sismic event.

Seismic hazard

Not available maps for this sismic event.

Shakemap

Not available maps for this sismic event.

Felt maps

Not available maps for this sismic event.

Locations history

Type	Magnitude	Date and Time (UTC)	Latitude	Longitude	Depth (km)	Published time (UTC)	Author	Location ID
Reviewed Evaluation Mw Rev501	Mw 4.5	2016-05-21 16:41:31	41.226	20.9741	15	2016-05-25 17:33:40	TDMT-INGV Revised	25327921
Reviewed Evaluation Mw Rev501	Mw 4.5	2016-05-21 16:41:31	41.226	20.9741	15	2016-05-25 17:31:25	TDMT-INGV Revised	25327881
Reviewed Evaluation Mw Rev501	Mw 4.5	2016-05-21 16:41:31	41.226	20.9741	15	2016-05-25 17:31:14	TDMT-INGV Revised	25327871
Reviewed Rev100	mb 5.0 Mwp 4.9	2016-05-21 16:41:31	41.226	20.9741	13	2016-05-21 17:06:09	Sala Sismica INGV-Roma	25247031

Preferred location and magnitude until now.

Origin information

Origin

Field	Value
Time (UTC)	2016-05-21 16:41:31
Latitude	41.2260
Longitude	20.9741
Depth (km)	13 (from location)
Evaluation mode of Origin	automatic
Evaluation status of Origin	reviewed
Version	100 -> SURVEY-INGV-A
Event type	earthquake
Origin ID	25247031

Uncertainty

Field	Value
Preferred uncertainty description	uncertainty ellipse
Semi-major axis of confidence ellipse (meter)	1592
Semi-minor axis of confidence ellipse (meter)	312
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)	30
Circular confidence region, given by single value of horizontal uncertainty (meter)	1307.0
Confidence level of the uncertainty (%)	68

Quality

Field	Value
Largest azimuthal gap in station distribution as seen from epicenter (degree)	54.4395
Number of associated phases, regardless of their use for origin computation	56
Number of defining phases	56
RMS of the travel time residuals of the arrivals used for the origin computation (sec)	1.10366
Epicentral distance of station closest to the epicenter (degree)	0.84355
Epicentral distance of station farthest from the epicenter (degree)	43.10970
Number of stations at which the event was observed	56
Number of stations from which data was used for origin computation	56

Magnitudes information

Mwp:4.9

Field	Value
Value	4.9
Uncertainty	0.1
Num. used stations	9
Type of magnitude	Mwp
Reference to an origin	25247031
Agency	INGV
Autore	early-est_ee1.1.9
Time of creation (UTC)	2016-05-21 17:06:09

Mw:4.5

Field	Value
Value	4.5
Uncertainty
Num. used stations
Type of magnitude	Mw
Reference to an origin	25327881
Agency	INGV
Autore	TDMT-INGV Revised
Time of creation (UTC)	2016-05-25 17:31:25

Mw:4.5

Field	Value
Value	4.5
Uncertainty
Num. used stations
Type of magnitude	Mw
Reference to an origin	25327871
Agency	INGV
Autore	TDMT-INGV Revised
Time of creation (UTC)	2016-05-25 17:31:14

Mw:4.5

Field	Value
Value	4.5
Uncertainty
Num. used stations
Type of magnitude	Mw
Reference to an origin	25327921
Agency	INGV
Autore	TDMT-INGV Revised
Time of creation (UTC)	2016-05-25 17:33:40

mb:5.0

Field	Value
Value	5.0
Uncertainty	0.3
Num. used stations	38
Type of magnitude	mb
Reference to an origin	25247031
Agency	INGV
Autore	early-est_ee1.1.9
Time of creation (UTC)	2016-05-21 17:06:09

Picking and Arrival

SCNL	Time	Uncertainty	Polarity	Evaluation_mode	Phase	Azimuth	Distance	Residual	Weight
SS.COI.BHZ.	2016-05-21T16:50:21.45	10.0	positive	automatic	PcP	277	22.1893	-1.89637	0
IU.MAKZ.BHZ.00	2016-05-21T16:49:31.95	10.0	negative	automatic	P	61	43.1097	0.998614	0.672383
DK.ICESG.BHZ.00	2016-05-21T16:49:18.35	10.0	positive	automatic	P	332	41.6403	-1.03317	0.668133
II.KURK.BHZ.00	2016-05-21T16:49:06.07	10.0	positive	automatic	P	56	40.0962	-0.107843	0.711418
GE.DAG.BHZ.	2016-05-21T16:48:57.75	10.0	positive	automatic	P	347	39.2746	-1.56489	0.761203
DK.SCO.BHZ.	2016-05-21T16:48:34.65	10.0	positive	automatic	P	337	36.3739	-0.152008	0.799663
II.BRVK.BHZ.00	2016-05-21T16:48:21.17	10.0	positive	automatic	P	53	34.7693	0.106034	0.777376
II.UOSS.BHZ.00	2016-05-21T16:48:07.32	10.0	positive	automatic	P	108	33.3832	-1.7065	0.840172
KZ.ABKAR.BHZ.	2016-05-21T16:47:23.18	10.0	negative	automatic	P	60	28.2398	-0.485782	0.952381
PM.PESTR.BHZ.	2016-05-21T16:46:24.09	10.0	negative	automatic	P	273	21.8932	0.367962	0.930233
GE.MTE.BHZ.	2016-05-21T16:46:21.00	10.0	positive	automatic	P	277	21.5020	2.40484	0.909091
II.ESK.BHZ.00	2016-05-21T16:46:14.72	10.0	positive	automatic	P	320	21.1927	-1.44182	0.888889
GB.MCH1.BHZ.	2016-05-21T16:45:58.14	10.0	negative	automatic	P	312	19.5343	-0.0103086	0.970874
IU.PAB.BHZ.00	2016-05-21T16:45:55.47	10.0	negative	automatic	P	273	19.2931	-0.162898	0.909091
IU.GNI.BHZ.00	2016-05-21T16:45:42.87	10.0	positive	automatic	P	86	17.9972	1.8375	0.930233
GE.EIL.BHZ.	2016-05-21T16:45:16.75	10.0	positive	automatic	P	131	16.1815	-1.26782	0.952381
G.SSB.BHZ.00	2016-05-21T16:44:28.80	10.0	negative	automatic	P	294	12.6083	-1.27031	0.952381
G.ECH.BHZ.00	2016-05-21T16:44:20.40	10.0	positive	automatic	P	310	12.0211	-1.61784	0.930233
GE.CSS.BHZ.	2016-05-21T16:44:17.05	10.0	positive	automatic	P	119	11.5500	1.50461	0.869565
II.BFO.BHZ.00	2016-05-21T16:44:12.42	10.0	positive	automatic	P	313	11.4214	-1.40026	0.952381
IV.MONC.BHZ.	2016-05-21T16:43:58.78	10.0	negative	automatic	P	296	10.2515	0.988046	0.952381
OE.DAVA.BHZ.	2016-05-21T16:43:54.88	10.0	positive	automatic	P	311	9.9767	0.664869	0.888889
MN.TUE.BHZ.	2016-05-21T16:43:53.40	10.0	positive	automatic	P	306	9.8752	0.518505	0.888889
CZ.KHC.BHZ.	2016-05-21T16:43:48.22	10.0	positive	automatic	P	329	9.4587	1.25825	0.952381
IV.BOB.BHZ.	2016-05-21T16:43:42.93	10.0	negative	automatic	P	297	9.1331	0.390603	0.869565
PL.OJC.BHZ.	2016-05-21T16:43:42.02	10.0	negative	automatic	P	355	9.0302	0.982946	0.888889
GE.MORC.BHZ.	2016-05-21T16:43:40.45	10.0	negative	automatic	P	346	8.8795	1.42689	0.851064
MN.VSL.BHZ.	2016-05-21T16:43:38.78	10.0	negative	automatic	P	263	8.9961	-1.78272	0.97561
IV.SALO.BHZ.	2016-05-21T16:43:36.51	10.0	positive	automatic	P	304	8.7585	-0.836418	0.869565
MN.VLC.BHZ.	2016-05-21T16:43:32.10	10.0	negative	automatic	P	294	8.3085	0.931242	0.952381
GE.ISP.BHZ.00	2016-05-21T16:43:29.40	10.0	negative	automatic	P	112	8.0882	1.16643	0.930233
OE.KBA.BHZ.	2016-05-21T16:43:27.65	10.0	positive	automatic	P	320	8.0056	0.442035	0.909091
KO.MDUB.BHZ.	2016-05-21T16:43:23.94	10.0	negative	automatic	P	92	7.7654	0.132252	0.970874
IV.PTCC.BHZ.	2016-05-21T16:43:21.15	10.0	negative	automatic	P	316	7.5483	0.387327	0.869565
GE.KARP.BHZ.	2016-05-21T16:43:20.20	10.0	positive	automatic	P	138	7.4632	0.633052	0.930233
OE.ARSA.BHZ.	2016-05-21T16:43:16.55	10.0	positive	automatic	P	329	7.1751	0.93353	0.952381
MN.CLTB.BHZ.	2016-05-21T16:43:14.95	10.0	positive	automatic	P	241	7.0130	1.49649	0.930233
IV.MGAB.BHZ.	2016-05-21T16:43:10.30	10.0	positive	automatic	P	287	6.7874	0.00808639	0.930233
GE.PSZ.BHZ.	2016-05-21T16:43:09.10	10.0	positive	automatic	P	354	6.7360	-0.555424	0.930233
MN.IDI.BHZ.	2016-05-21T16:43:07.56	10.0	positive	automatic	P	151	6.6847	-1.35264	0.930233
GE.TIRR.BHZ.	2016-05-21T16:43:03.52	10.0	positive	automatic	P	57	6.3360	-0.484942	0.952381
GE.SANT.BHZ.	2016-05-21T16:43:00.50	10.0	negative	automatic	P	143	5.9800	1.3004	0.869565
MN.AQU.BHZ.	2016-05-21T16:42:56.48	10.0	positive	automatic	P	284	5.7528	0.376129	0.930233
KO.DKL.BHZ.	2016-05-21T16:42:45.86	10.0	positive	automatic	P	113	5.0179	-0.0271399	0.892857
MN.CEL.BHZ.	2016-05-21T16:42:43.25	10.0	positive	automatic	P	234	4.9028	-1.17192	0.952381
MN.BLY.BHZ.	2016-05-21T16:42:39.99	10.0	positive	automatic	P	323	4.4817	1.42827	0.930233
HL.ITM.HHZ.	2016-05-21T16:42:34.04	10.0	positive	automatic	P	169	4.1135	0.516178	0.97561
HT.ALN.HHZ.	2016-05-21T16:42:28.53	10.0	positive	automatic	P	93	3.8406	-1.18812	0.938967
HL.RDO.HHZ.	2016-05-21T16:42:22.82	10.0	positive	automatic	P	90	3.4332	-1.29967	0.904977
GE.MATE.BHZ.	2016-05-21T16:42:21.45	10.0	positive	automatic	P	261	3.2761	-0.578322	0.97561
MN.DIVS.BHZ.	2016-05-21T16:42:17.29	10.0	positive	automatic	P	346	2.9614	-0.498081	0.909091
HT.AGG.HHZ.	2016-05-21T16:42:09.80	10.0	negative	automatic	P	154	2.4382	-0.723765	0.97561
MN.VTS.BHZ.	2016-05-21T16:42:06.26	10.0	positive	automatic	P	50	2.1832	-0.909045	0.909091
MN.PDG.BHZ.	2016-05-21T16:42:02.29	10.0	negative	automatic	P	314	1.7545	1.27188	0.952381
HL.KEK.HHZ.	2016-05-21T16:42:01.56	10.0	positive	automatic	P	211	1.7586	0.450276	0.97561
MN.TIR.BHZ.	2016-05-21T16:41:45.74	10.0	positive	automatic	P	279	0.8436	-1.36659	0.909091

TDMT - Time Domain Moment Tensor

TDMT details

Field	Value
Magnitude	4.5
Scalar Moment	7.48847E+22 dyne-cm
Computed depth	15 km
Quality	Aa
Variance Reduction	66.43%
Double Couple	95%
CLVD	5%
ISO	0%
Model used	CIA
Mode	manual
Status	reviewed

Moment Tensor Components

Component	Value
Mrr	-4.38868E+22
Mtt	1.52957E+22
Mpp	2.85911E+22
Mrt	-1.6627E+21
Mrp	-5.14507E+22
Mtp	3.83687E+22

Nodal Planes

Name	Strike	Dip	Rake
PN1	14	69	-116
PN2	248	33	-41

Fault Plane solution

psmeca (GMT documentation)

20.9741 41.226 15 14 69 -116 248 33 -41 7.48847 22 21.4741 41.726

TDMT references

More info and references

PDF Solution

Download TDMT soution in PDF format

Station Distribution

TDMT station details

Station	Epicentral Distance (km)	Epicentral Azimuth	Variance Reduction	zcor
SRS	219.5	92.5	66.19%	111
SOH	205.3	101.9	24.27%	110
GRG	123.7	103.6	79.72%	102
HORT	192.2	110.6	75.41%	110
THE	180	110.8	63.24%	107
PAIG	269.9	121.2	59.74%	118
FNA	60.2	144.9	74.09%	95
TIR	94	278.6	80.11%	101
VLO	150.4	236.5	58.98%	110
SCTE	247.7	239.7	72.54%	120
PDG	195.3	313.8	61.52%	112
LKD2	271.9	185.8	72%	122
AGG	270.9	154.2	52.48%	120
VTS	243	49.7	52.4%	114
DIVS	329.1	346.2	44.65%	124

Fault Plane solutions in the area

Not available maps for this sismic event.

Download

Type	Description	Link
QuakeML - small	Event, Origin, FocalMechanism	Download
QuakeML - full	Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude	Download

Earthquake with magnitude of Mw 4.5 on date 21-05-2016 and time 16:41:31 (UTC) in region Macedonia [Land]

Municipalities within 20 km from the epicenter

Municipalities with at least 50000 inhabitants

Origin

Uncertainty

Quality

Mwp:4.9

Mw:4.5

Mw:4.5

Mw:4.5

mb:5.0

TDMT details

Moment Tensor Components

Nodal Planes

Fault Plane solution

psmeca (GMT documentation)

TDMT references

PDF Solution

Station Distribution

TDMT station details