Written by on . Last updated April 17th, 2024.

A shallow and significant M5.6 foreshock struck in the Java Sea 165 kilometer from Surabaya, Indonesia in the morning of Friday March 22nd, 2024. Roughly 32 million people may have felt this earthquake.

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Earthquake Summary

This earthquake hit under water in the Java Sea, 30 kilometers (19 mi) off the coast of Indonesia, 165 kilometer north-northwest of Surabaya in East Java. The center of this earthquake had a very shallow depth of 10 km. Shallow earthquakes usually have a larger impact than earthquakes deep in the earth.

Date and Time: Mar 22, 2024 11:22 (Jakarta Time)
- Mar 22, 2024 04:22 Universal Time.
Location: 165 km NNW of Surabaya, East Java, Indonesia.
Coordinates 5°49'32"S 112°19'5"E.
Map: Map of area around epicenter.
Map of area around epicenter. Click to open in Google Maps.
Magnitude: MAG 5.6
Detected by 20 stations. Maximum Error Range ±0.069 .
Depth: 10 km (6 mi)
A very shallow depth.
Max. Intensity:
VII
Very Strong

On the Modified Mercalli Scale.
Tsunami Risk: Low tsunami risk
Earthquakes under MAG-6.5 do not usually cause tsunami's.
Always stay cautious - More info here.

Minimal impact predicted

The US Geographic Survey (USGS) describes the impact of this earthquake as follows:

One person injured, 2 homes and one building destroyed; many homes and buildings damaged on Bawean.

Based on scientific estimates by the USGS, the risk of high fatalities for this earthquake is classified at level GREEN (low). They expect an 65% likelyhood of between 0 and 1 fatalities, and a 96% chance that the number of fatalities falls no higher than 10.

The USGS classifies the economic impact of this earthquake at level GREEN (low). They expect an 99% likelyhood of between 0 and 1 million US Dollars in economic damage and impact.

Roughly 32 million people exposed to shaking

This earthquake may have been felt by around 32 million people. That is the expected population size of the area exposed to a level of shaking of II or higher on the Modified Mercalli scale according to the USGS.

Very strong shaking and likely moderate damage may have been experienced by an estimated 2,150 people. At VII, it is the highest MMI level this earthquake has caused. The majority of people (roughly 17 million) live in an area exposed to level III, where weak shaking and probably no damage is expected. All exposure to shaking was within the borders of Indonesia .

People MMI Level Shaking Damage
0
I
Not noticable None
14,620
II
Very weak None
17,090,000
III
Weak Probably none
13,040,000
IV
Light Likely none
1,698,000
V
Moderate Very light
22,940
VI
Strong Light
2,150
VII
Very Strong Moderate
0
VIII
Severe Moderate to heavy
0
IX
Violent Heavy
0
X
Extreme Very heavy

Nearby towns and cities

This earthquake may have been felt in Indonesia . Paciran in East Java, Indonesia is the nearest significant place from the epicenter. The earthquake occurred 117 kilometer (73 mi) north of Paciran. The intensity of shaking and damage in Paciran is estimated to be around level IV on the Modified Mercalli Intensity scale (light shaking, likely no damage).

Multiple major population centers exist within 300km of the earthquake that struck today. Surabaya is located 165 km to the south-southeast and experienced an intensity of V (moderate shaking, very light damage). Semarang is located 247 km to the west-southwest (intensity unknown, possibly low). Malang is located 242 km to the south (intensity unknown, possibly low).

A complete list of nearby places is included below. Estimated intensity data (MMI) sourced from a shake-map published by the US Geographic Survey is shown where available (cities without data probably experienced little impact).

Overview of nearby places

Distance Place Intensity (MMI)
117 km (73 mi)
S from epicenter
Paciran

East Java, Indonesia.
IV
Light
122 km (76 mi)
SSW from epicenter
Tuban

East Java, Indonesia.
IV
Light
136 km (85 mi)
SW from epicenter
Lasem

Central Java, Indonesia.
IV
Light
143 km (89 mi)
SSE from epicenter
Bangkalan

East Java, Indonesia.
IV
Light
144 km (89 mi)
S from epicenter
Lamongan

East Java, Indonesia.
IV
Light
144 km (89 mi)
S from epicenter
Babat

East Java, Indonesia.
IV
Light
146 km (91 mi)
SW from epicenter
Rembangan

Central Java, Indonesia.
III
Weak
152 km (94 mi)
SSE from epicenter
Gresik

East Java, Indonesia.
IV
Light
153 km (95 mi)
SSE from epicenter
Kebomas

East Java, Indonesia.
IV
Light
155 km (96 mi)
SSW from epicenter
Bojonegoro

East Java, Indonesia.
IV
Light
156 km (97 mi)
SSE from epicenter
Kamal

East Java, Indonesia.
IV
Light
161 km (100 mi)
SW from epicenter
Blora

Central Java, Indonesia.
IV
Light
161 km (100 mi)
WSW from epicenter
Tayu

Central Java, Indonesia.
IV
Light
163 km (101 mi)
SW from epicenter
Juwana

Central Java, Indonesia.
IV
Light
165 km (103 mi)
SSE from epicenter
Surabaya

East Java, Indonesia.
V
Moderate
168 km (104 mi)
SSW from epicenter
Cepu

Central Java, Indonesia.
IV
Light
175 km (109 mi)
SW from epicenter
Pati

Central Java, Indonesia.
III
Weak
175 km (109 mi)
SSE from epicenter
Driyorejo

East Java, Indonesia.
IV
Light
179 km (111 mi)
S from epicenter
Krian

East Java, Indonesia.
IV
Light
180 km (112 mi)
SSE from epicenter
Gedangan

East Java, Indonesia.
IV
Light
182 km (113 mi)
SE from epicenter
Sampang

East Java, Indonesia.
IV
Light
183 km (114 mi)
S from epicenter
Mojokerto

East Java, Indonesia.
IV
Light
184 km (114 mi)
SSE from epicenter
Buduran

East Java, Indonesia.
IV
Light
186 km (116 mi)
SSE from epicenter
Sidoarjo

East Java, Indonesia.
IV
Light
187 km (116 mi)
SSE from epicenter
Tulangan Utara

East Java, Indonesia.
IV
Light
189 km (117 mi)
SW from epicenter
Jekulo

Central Java, Indonesia.
III
Weak
191 km (119 mi)
SSE from epicenter
Tanggulangin

East Java, Indonesia.
IV
Light
192 km (119 mi)
WSW from epicenter
Batang

Central Java, Indonesia.
III
Weak
192 km (119 mi)
WSW from epicenter
Gebog

Central Java, Indonesia.
III
Weak
192 km (119 mi)
S from epicenter
Jombang

East Java, Indonesia.
III
Weak
193 km (120 mi)
WSW from epicenter
Baekrajan

Central Java, Indonesia.
III
Weak
195 km (121 mi)
S from epicenter
Diwek

East Java, Indonesia.
III
Weak
195 km (121 mi)
WSW from epicenter
Mlonggo

Central Java, Indonesia.
III
Weak
196 km (122 mi)
SE from epicenter
Pamekasan

East Java, Indonesia.
III
Weak
196 km (122 mi)
SW from epicenter
Kudus

Central Java, Indonesia.
III
Weak
197 km (122 mi)
S from epicenter
Kertosono

East Java, Indonesia.
III
Weak
205 km (127 mi)
SSE from epicenter
Bangil

East Java, Indonesia.
III
Weak
209 km (130 mi)
SW from epicenter
Purwodadi

Central Java, Indonesia.
III
Weak
213 km (132 mi)
SSE from epicenter
Pasuruan

East Java, Indonesia.
215 km (134 mi)
SE from epicenter
Sumenep

East Java, Indonesia.
III
Weak
219 km (136 mi)
SSW from epicenter
Madiun

East Java, Indonesia.
224 km (139 mi)
S from epicenter
Kediri

East Java, Indonesia.
227 km (141 mi)
S from epicenter
Lawang

East Java, Indonesia.
236 km (147 mi)
SSE from epicenter
Probolinggo

East Java, Indonesia.
242 km (150 mi)
S from epicenter
Malang

East Java, Indonesia.
247 km (153 mi)
WSW from epicenter
Semarang

Central Java, Indonesia.
253 km (157 mi)
SW from epicenter
Surakarta

Central Java, Indonesia.
III
Weak
253 km (157 mi)
S from epicenter
Blitar

East Java, Indonesia.
257 km (160 mi)
SW from epicenter
Ungaran

Central Java, Indonesia.
262 km (163 mi)
SW from epicenter
Salatiga

Central Java, Indonesia.
280 km (174 mi)
SE from epicenter
Situbondo

East Java, Indonesia.
300 km (186 mi)
SW from epicenter
Depok

Yogyakarta, Indonesia.
Cities and Towns around the epicenter of this earthquake.

Earthquake Intensity Map

The maximum intensity (MMI Scale) caused by this earthquake is VII. The map below shows in which areas this earthquake was the most and least impactful. It is based on data from the US Geographic Survey.

I Not felt
II Weak
III Weak
IV Light
V Moderate
VI Strong
VII Very Strong
VIII Severe
IX Violent
X Extreme
Earthquake Intensity Map based on Shakemap Data provided by USGS.

Shaking reported by 56 people

People that feel an earthquake may report their experience to the US Geographic Survey. Currently, 56 people have reported shaking in 26 places, all within Indonesia.We keep updating this article as more ground reports become available. You may report that you felt this earthquake here.

Places with most reports:

  • Surabaya, Jawa Timur, Indonesia: 17 people.
  • Tuban, Jawa Timur, Indonesia: 5 people.
  • Semarang, Jawa Tengah, Indonesia: 4 people.
  • Driyorejo, Jawa Timur, Indonesia: 4 people.
  • Kebomas, Jawa Timur, Indonesia: 2 people.
  • Bandung, Jawa Barat, Indonesia: 2 people.
  • Banjarmasin, Kalimantan Selatan, Indonesia: 2 people.
  • Gedangan, Jawa Timur, Indonesia: 2 people.
  • Mojosari, Jawa Timur, Indonesia: 1 person.
  • Mlati, Yogyakarta, Indonesia: 1 person.

This is likely a foreshock

This earthquake was followed by a stronger MAG-6.4 earthquake, classifying this earthquake as a foreshock.

Overview of foreshocks and aftershocks

Classification Magnitude When Where
Foreshock
This Earthquake
M 5.6 5 hrs earlier
Mar 22, 2024 11:22 (Jakarta Time)
8 km (5 mi)
NW from Main Shock.
Foreshock M 3.3 4 hrs earlier
Mar 22, 2024 11:56 (Jakarta Time)
16 km (10 mi)
N from Main Shock.
Foreshock M 5.2 3 hrs earlier
Mar 22, 2024 12:31 (Jakarta Time)
4 km (2.5 mi)
SSE from Main Shock.
Foreshock M 3.9 3 hrs earlier
Mar 22, 2024 12:37 (Jakarta Time)
19 km (12 mi)
NNW from Main Shock.
Foreshock M 3.5 3 hrs earlier
Mar 22, 2024 12:40 (Jakarta Time)
9 km (6 mi)
NNW from Main Shock.
Foreshock M 3.2 3 hrs earlier
Mar 22, 2024 12:44 (Jakarta Time)
21 km (13 mi)
N from Main Shock.
Foreshock M 3.9 3 hrs earlier
Mar 22, 2024 13:05 (Jakarta Time)
11 km (7 mi)
N from Main Shock.
Foreshock M 3.5 3 hrs earlier
Mar 22, 2024 13:18 (Jakarta Time)
13 km (8 mi)
N from Main Shock.
Foreshock M 3.6 2 hrs earlier
Mar 22, 2024 13:53 (Jakarta Time)
8 km (5 mi)
WNW from Main Shock.
Foreshock M 3.5 34 mins earlier
Mar 22, 2024 15:19 (Jakarta Time)
0.8 km (0.5 mi)
NE from Main Shock.
Main Shock M 6.4 Mar 22, 2024 15:52
(Jakarta Time)
-
Aftershock M 4.4 20 mins later
Mar 22, 2024 16:12 (Jakarta Time)
22 km (13 mi)
NNE from Main Shock.
Aftershock M 4.5 26 mins later
Mar 22, 2024 16:19 (Jakarta Time)
12 km (7 mi)
ESE from Main Shock.
Aftershock M 3.6 35 mins later
Mar 22, 2024 16:28 (Jakarta Time)
32 km (20 mi)
SW from Main Shock.
Aftershock M 3.5 39 mins later
Mar 22, 2024 16:31 (Jakarta Time)
25 km (16 mi)
NNW from Main Shock.
Aftershock M 3.7 44 mins later
Mar 22, 2024 16:37 (Jakarta Time)
13 km (8 mi)
NNW from Main Shock.
Aftershock M 3.7 1 hr later
Mar 22, 2024 17:15 (Jakarta Time)
10 km (6 mi)
NNE from Main Shock.
Aftershock M 3.7 1 hr later
Mar 22, 2024 17:16 (Jakarta Time)
12 km (7 mi)
NW from Main Shock.
Aftershock M 4.0 2 hrs later
Mar 22, 2024 17:26 (Jakarta Time)
13 km (8 mi)
NNE from Main Shock.
Aftershock M 3.6 2 hrs later
Mar 22, 2024 17:29 (Jakarta Time)
9 km (6 mi)
E from Main Shock.
Aftershock M 3.5 2 hrs later
Mar 22, 2024 17:34 (Jakarta Time)
8 km (5 mi)
WSW from Main Shock.
Aftershock M 3.6 2 hrs later
Mar 22, 2024 17:36 (Jakarta Time)
5 km (3 mi)
NNW from Main Shock.
Aftershock M 3.5 2 hrs later
Mar 22, 2024 17:40 (Jakarta Time)
14 km (9 mi)
N from Main Shock.
Aftershock M 4.0 2 hrs later
Mar 22, 2024 17:54 (Jakarta Time)
22 km (14 mi)
N from Main Shock.
Aftershock M 4.4 2 hrs later
Mar 22, 2024 17:57 (Jakarta Time)
15 km (9 mi)
NW from Main Shock.
Aftershock M 3.5 2 hrs later
Mar 22, 2024 18:17 (Jakarta Time)
6 km (4 mi)
WNW from Main Shock.
Aftershock M 3.4 3 hrs later
Mar 22, 2024 18:30 (Jakarta Time)
12 km (7 mi)
E from Main Shock.
Aftershock M 3.5 3 hrs later
Mar 22, 2024 18:40 (Jakarta Time)
20 km (12 mi)
S from Main Shock.
Aftershock M 3.7 3 hrs later
Mar 22, 2024 18:43 (Jakarta Time)
8 km (5 mi)
NNW from Main Shock.
Aftershock M 3.3 3 hrs later
Mar 22, 2024 19:15 (Jakarta Time)
13 km (8 mi)
WNW from Main Shock.
Aftershock M 3.4 3 hrs later
Mar 22, 2024 19:22 (Jakarta Time)
11 km (7 mi)
SE from Main Shock.
Aftershock M 3.6 4 hrs later
Mar 22, 2024 19:39 (Jakarta Time)
11 km (7 mi)
WNW from Main Shock.
Aftershock M 3.3 4 hrs later
Mar 22, 2024 19:58 (Jakarta Time)
9 km (5 mi)
N from Main Shock.
Aftershock M 3.4 4 hrs later
Mar 22, 2024 20:03 (Jakarta Time)
7 km (4 mi)
SSW from Main Shock.
Aftershock M 3.3 5 hrs later
Mar 22, 2024 21:19 (Jakarta Time)
25 km (16 mi)
NE from Main Shock.
Aftershock M 3.7 7 hrs later
Mar 22, 2024 22:24 (Jakarta Time)
7 km (5 mi)
NNW from Main Shock.
Aftershock M 3.4 7 hrs later
Mar 22, 2024 22:37 (Jakarta Time)
15 km (9 mi)
W from Main Shock.
Aftershock M 3.0 7 hrs later
Mar 22, 2024 22:47 (Jakarta Time)
4 km (2.7 mi)
NNW from Main Shock.
Aftershock M 4.1 7 hrs later
Mar 22, 2024 23:12 (Jakarta Time)
14 km (8 mi)
NW from Main Shock.
Aftershock M 3.0 8 hrs later
Mar 23, 2024 00:05 (Jakarta Time)
17 km (11 mi)
NNW from Main Shock.
Aftershock M 3.3 8 hrs later
Mar 23, 2024 00:12 (Jakarta Time)
0.9 km (0.6 mi)
NW from Main Shock.
Aftershock M 3.7 9 hrs later
Mar 23, 2024 00:25 (Jakarta Time)
18 km (11 mi)
NNW from Main Shock.
Aftershock M 3.3 9 hrs later
Mar 23, 2024 00:52 (Jakarta Time)
4 km (2.7 mi)
WSW from Main Shock.
Aftershock M 3.1 9 hrs later
Mar 23, 2024 00:58 (Jakarta Time)
15 km (10 mi)
N from Main Shock.
Aftershock M 3.3 10 hrs later
Mar 23, 2024 01:46 (Jakarta Time)
25 km (16 mi)
N from Main Shock.
Aftershock M 3.7 10 hrs later
Mar 23, 2024 01:58 (Jakarta Time)
18 km (11 mi)
NNE from Main Shock.
Aftershock M 3.5 10 hrs later
Mar 23, 2024 02:20 (Jakarta Time)
8 km (5 mi)
SSW from Main Shock.
Aftershock M 3.6 11 hrs later
Mar 23, 2024 03:10 (Jakarta Time)
30 km (18 mi)
NNE from Main Shock.
Aftershock M 3.6 12 hrs later
Mar 23, 2024 03:28 (Jakarta Time)
13 km (8 mi)
NW from Main Shock.
Aftershock M 4.5 13 hrs later
Mar 23, 2024 04:42 (Jakarta Time)
2.9 km (1.8 mi)
E from Main Shock.
Aftershock M 3.1 14 hrs later
Mar 23, 2024 05:37 (Jakarta Time)
6 km (4 mi)
N from Main Shock.
Aftershock M 3.8 16 hrs later
Mar 23, 2024 07:24 (Jakarta Time)
14 km (9 mi)
ENE from Main Shock.
Aftershock M 4.1 16 hrs later
Mar 23, 2024 07:49 (Jakarta Time)
47 km (29 mi)
NE from Main Shock.
Aftershock M 4.3 17 hrs later
Mar 23, 2024 08:59 (Jakarta Time)
21 km (13 mi)
N from Main Shock.
Aftershock M 3.3 21 hrs later
Mar 23, 2024 13:15 (Jakarta Time)
23 km (14 mi)
N from Main Shock.
Aftershock M 4.2 22 hrs later
Mar 23, 2024 13:28 (Jakarta Time)
24 km (15 mi)
NE from Main Shock.
Aftershock M 4.2 22 hrs later
Mar 23, 2024 14:04 (Jakarta Time)
13 km (8 mi)
NNW from Main Shock.
Aftershock M 3.6 23 hrs later
Mar 23, 2024 14:40 (Jakarta Time)
10 km (6 mi)
N from Main Shock.
Aftershock M 4.0 23 hrs later
Mar 23, 2024 15:08 (Jakarta Time)
26 km (16 mi)
NNE from Main Shock.
Aftershock M 3.8 1 day later
Mar 23, 2024 17:12 (Jakarta Time)
22 km (14 mi)
N from Main Shock.
Aftershock M 2.9 1 day later
Mar 24, 2024 01:51 (Jakarta Time)
24 km (15 mi)
NW from Main Shock.
Aftershock M 3.6 1 day later
Mar 24, 2024 03:06 (Jakarta Time)
18 km (11 mi)
NE from Main Shock.
Aftershock M 3.5 1 day later
Mar 24, 2024 03:14 (Jakarta Time)
11 km (7 mi)
NE from Main Shock.
Aftershock M 4.4 2 days later
Mar 24, 2024 06:14 (Jakarta Time)
12 km (7 mi)
NNW from Main Shock.
Aftershock M 3.9 2 days later
Mar 24, 2024 18:39 (Jakarta Time)
19 km (12 mi)
NE from Main Shock.
Aftershock M 3.7 3 days later
Mar 25, 2024 05:25 (Jakarta Time)
33 km (20 mi)
SSW from Main Shock.
Aftershock M 3.1 3 days later
Mar 25, 2024 06:04 (Jakarta Time)
59 km (37 mi)
SSE from Main Shock.
Aftershock M 3.6 3 days later
Mar 25, 2024 11:05 (Jakarta Time)
27 km (17 mi)
SSE from Main Shock.
Aftershock M 4.0 3 days later
Mar 25, 2024 15:23 (Jakarta Time)
15 km (10 mi)
N from Main Shock.
Detected MAG2.5+ earthquakes within within 100km (62 mi), that occurred in the three days before and after the main shock.

More earthquakes coming?

The risk of aftershocks decreases rapidly over time. Usually, aftershocks are at least one order of magnitude lower than a main shock.

It's always adviced to be cautious of the risk of a larger shock following any significant earthquake, however this risk is fairly small. There is a roughly 94 percent change that no larger main shock will follow in the days following this earthquake.

Read: How to Stay Safe during an Earthquake (cdc.gov).

Earthquakes like this are common in the region

Earthquakes of this strength occur quite regularly in the region. This is the strongest earthquake to hit since April 14th, 2023, when a 7 magnitude earthquake hit 38 km (24 mi) further southwest. That was also the heaviest earthquake to hit the region in the past 10 years.

In total, 8 earthquakes with a magnitude of 5.6 or higher have been registered within 300km (186 mi) of this epicenter in the past 10 years. This comes down to an average of once every year.

Low tsunami risk

DISCLAIMER: We strongly suggest to closely monitor advice from local authorities with regards to tsunami risks. Our analysis is based on automatically collected data from external sources, and these might contain mistakes. In addition, earthquakes can cause landslides that may lead to a tsunami, or be a followed by another, potentially stonger, earthquake.

Based on early data it appears this earthquake was not strong enough (lower than MAG-6.5) to be likely to cause destructive tsunami's. However this earthquake appeared to have hit at a shallow depth under sea, so stay cautious and monitor advice from local authorities.

Tsunami Risk Factors

Factor Under Sea? MAG-6.5 or stronger? Shallow depth?
Explanation Almost all tsunami's are caused by earthquakes with their epicenter under sea or very near the sea. However stay cautious in coastal areas as earthquakes on land may cause landslides into sea, potentially still causing a local tsunami. Under MAG 6.5: Very unlikely to cause a tsunami.
MAG 6.5 to 7.5: Destructive tsunami's do occur, but are uncommon. Likely to observe small sea level changes.
MAG 7.6+: Earthquakes with these magnitudes might produce destructive tsunami's.
Most destructive tsunami's are caused by shallow earthquakes with a depth between 0 and 100km under the surface of the earth. Deeper tsunami's are unlikely to displace to ocean floor.
This Earthquake This earthquake appears to have struck under the sea. Not this earthquake.
This earthquake had a magnitude of 5.6. Earthquakes of this strength are unlikely to trigger a tsunami.
This earthquake occurred at a depth of of 10 km (6 mi). Earthquakes this shallow could trigger a tsunami.

Sources

Last updated 17/04/24 03:58 (). This article contains currently available information about the earthquake and is automatically composed. We continue to update this article up to a few days after the earthquake occurred.

  1. US Geographic Society (USGS): Earthquake us6000mkej
  2. European-Mediterranean Seismological Centre (EMSC): Earthquake 20240322_0000053
  3. Geonames.org: World Cities Database
  4. Google Maps: Static API
  5. Earthquakelist.org: Historic Earthquakes Database

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